U.S. Geological Survey General Earthquake Observation System National Strong Motion Program


1994 Northridge GEOS Data Trigger Table 9

This file is available via anonymous FTP from https://ca.water.usgs.gov/nsmp/GEOS/NRG/northridge9.whr.


Program WHEREC  2-SEP-94 11:31:36       
Number of records to declare event =  9
Time to look ahead =     44.000 s
Time to look back =     22.000 s
 
            4 B B C C C C C D D E E G G G G G H I I I I I I J L L L L M M M M M M N N N N N N P P P P R R R R R S S S S S S S S S S S S S S S S S S T T T T V W W W Y F
            3 H H 2 H L R S R W T W 1 C P T T L A A A A A A E F F X X A K K K K K C E P R S W R V V V G N N S S E E H H M M M M M R S S S T W W Y Y A O P R A O V V O S
EVENT   MAG S G P 3 S C S E B P W S D C K H S T 1 2 3 4 5 6 N 5 6 A B Y 1 2 3 4 5 U W O S L S A 1 2 S T N S J U N T R S C D F I S Y A C P J N O F L G P C M N C N S L S
 
0210204 2.2                                     O   O P P               O O O                                       P                               P                  
0210335 3.0                                     P   P   Q   P           P P P                                       Q                           P P Q                  
0210556 3.4                                         C       C           B B B                                       C                           C C C                  
0211243 2.9                                     R   R R R               R R R                                                                   R R                    
0211839 4.6 G   G                         F     F   F   F   E           E E E                                                                   F E               F    
0211852 4.3 Q   Q                         O O   O   O       O           O O O                                                                   O                 P    
0211853 4.3 Q                             O O   O   O       O           O O O                                                                   N                 P    
0220541 3.0                                       S S       S           R R R                                       S                           S       T S S          
0220845 2.3                                       L L   M   L           L L L                                       M                                   M M L          
0220903 3.1                                     Q Q     R               Q Q Q                                       R                                   R R            
0220945 2.8                                                 P           P P O                                       P                           P       Q P P          
0221349 2.9                                     Q Q Q Q R   Q           Q                                           R                           R       S R R          
0222314 3.2   T                                   S         S           R S S                                       S                           S       T S S          
0230248 3.0                                     P P P P     P           P P P                                       Q                           P   Q   Q Q P          
0230400 3.0                                       S                     S S S                                       S                           S   S   T S S          
0230804 2.6                               I I         J                 I I                                         J                           I         J I          
0230841 3.8 P P                             N   N N N O O   N           N N N                                       O                           N   O   P O N     O    
0230855 4.1 E E                             C   C C C D D   C           C C C                                       D                           C   D   D D C     D    
0230914 2.6                                       R                     Q R Q                                       R                           R   R   R R R          
0230930 2.8                                     N N N                   N N N                                       O                           N   O   P O N          
0231405 3.1                                 K   K K K K K   K           K K                                         L                           K   L     L K          
0232337 2.8                                       H         H           H H               H                         I                           H   H     H H          
0240241 3.6   C                           A A   B B B       A           A B               A                         B                           B   A     B A     B    
0240415 4.6 I H               H           G G   G G G                   G G               G                         G                           G   G     G G     H    
0240550 4.3 K K                           I I   I I I I I   I           I                 I                         I                           I   I     I I          
0240554 4.2 J                             H H   H H H H H               H                 H                         H                           H   H     H H          
0240633 2.8                               O O   O O         O           O                 P                         P                           O   P     P            
0250206 2.8                                 L               L           L L               M                         M                           L         M L          
0250309 2.9                                     J J J K K   J           K K                                                                     K   L     L K          
0250841 3.0   F                             E                           E E               E                         F                           E   F     F E          
0251021 3.2                               T T     T                     T T               T                         T                           T   T     T T     A    
0251717 3.5                               J     J J J       J           J                 K                         K                           J                      
0251842 3.3             Q                   O               O           O                 O                         P                           O   P       O          
0261228 3.8 R R         R     R             P R P P P P P   P           P P               P                                                     P   Q       P     R    
0270443 3.4   T         T                   R   R R Q R R               R R R                                                                   R   S                  
0271719 4.6 B B         A     B             T A T T T       T           T T               T                                                     T   A             B    
0280458 3.3 M M         M                 L L       K L M               K L             L                                                       K   L       L          
0281248 3.1             Q                       N N N N N               N O             O                                                       O   O                  
0282009 4.2   T         T                 S R   R R R R R   R           R S             S                             T                         S   S       S          
0282011 3.5             D                       B B A   B   B           B C             C                                                       C                      
0291113 3.4 H H         H     H           G F                           F G             G                             H                         G   G       F     G    
0291120 5.1 O N         N     O           M L N L L L   M   L           L L             M                             N                         M   M       M     N    
0291216 4.3   A         A     A           T S A                         S               S                             A                         T   T       S     T    
0291247 3.3             N     O           M M                           M               M                             N                         N   M             N    
0292145 3.0   G         G                   E               E           E               E                                                       E   F       E          
0300012 2.6             K                   J                           J J J           J                                                       K   J       J          
0300819 2.9                               B B               B           B B B           C                                                       C   C       B          
0311141 2.8 G           G     G           F E G                         E   F           F                                                       F           E          
0320740 3.6   I         H     I             G I                         G   G           G                             I                             G       G     H    
0331124 3.8   O         O     O           M M       M                   M   M                         M               O                         N   N       M     N    
0340821 2.9   I         I                 H G               G           G   H                         H                               I         H   H       H          
0341623 4.2 N N         M     M           L L       L       L           L   L                         L               M               M         L   M       L          
0350449 2.9   Q         Q     Q           P P Q                         P   P                         P                               Q         P   P       P          
0350633 3.5 P           O     O           N N O                         M   N                         N                               O             N       N          
0351426 3.3   D         D                 B B D             B           B   B                         C                               D         C   C       B          
0362118 3.0                   O               O                         N   N                         N                               N             N           N N    
0371000 3.1                                       H                     H   H                         I                               J         I   I       H   I      
0371319 4.1 K K               K           I I K   I         I           I   I                         J               K               K         J   J       I   J J    
0371321 3.6   Q               Q           P O Q   O         O           O   P                         P                               Q         P   P       O   P Q    
0371419 2.6                   T                             R           R   S                         S                               T         S   S       R   S      
0410743 3.3   E           C C       C             B               D         C         C                                 E         C   D             D       C   C   C  
0411116 3.4         E     E E       E             D               F         E         E                                 F         E   F             F       E   F F E  
0421407 3.7   T     R     R R   R S R                             T         R         R                                               S                     R   S   R  
0441156 2.6         G     G G     G                               H   G     G                                                   H G                 G           G H G  
0441943 2.5         B       B     C B                                 C     C     B   B                                           B                                    
0442121 2.6         F     F F     G G                             H               F                                             G F                 G           G G    
0450321 2.4         D       C     D D                                 D     D     D   D                                           D                             D   C  
0452032 3.2 B       T     T T   T T T                                 T     T         T                                           T   A             T                  
0460942 3.1         Q       Q     Q Q                             R   Q     Q                                                     Q                             R      
0461231 3.1 A       S     S S   S S S                             T   S     S     S   S                                         T S   T                         T   S  
0461351 2.8         P     P P   Q Q Q                                 Q     P     P   P                                           P   R                             P  
0470758 3.2         O     O O   O   O                             N   O     O     O   O                                 O       N O   O                     O   N N O  
0470802 2.5         H     H H   H   H                             H   H     H         H                                 H       H H                             G H H  
0471800 2.9               N M   M N M                                 M     M         M                                           N                         M   N   N  
0480721 2.6         A     A A   A A A                                       T     A                                               A                                 A  
0490913 3.7         J     J J   J J J                             K   J     J     J   J                                 K       K J   K                     K   K K K  
0491544 3.1         H     I H   H I H                                 H     H         H                                                                     H   I   I  
0500254 2.8         C       C D C C C                                 C     C         C                                         D                           C   D D D  
0511503 2.5         B     B B   B B B                                 B     B                                                                               B   C   B  
0540954 2.2         Q     Q     Q Q Q                                 Q     Q     Q   Q                                           Q                                 Q  
0541123 2.4         J     J       J J                                 J     J         J                                           J                         J       J  
0551121 2.4         M     M     M M M                                 M     M     M   M                                           M                             P   M  
0561259 4.0         E     E E   E E E                             F   E     E     E           E                         G       F E   F                     E   F   E  
0561311 3.1                 O   O O O                             Q   O     O     O                                     Q       P O   Q                             O  
0561356 3.7         E     E E   E F E                             G   E     E     F           F                         G       F F   F                     E     F E  
0571213 1.8         D     D D   D D                                   D                       D                                 D                                   D  
0571225 2.5               H     H H H                                 H     H     H                                             H                                   H  
0590256 2.2         L       L   L L M                                 M     L     M                                                                                 L  
0611250 2.6         F     F F   F F F                                 F     F                 F                         G       G F                                 F  
0612006 3.1         B     B B   B B B                                 B     B     B           B                                   B   C                                
0620841 2.6               H G   G H G                                 G     G                 G                                                                     G  
0620953 3.0               R R   R R R                             S   R     Q     R           R                                 S R                                 R  
0641423 3.1                       E D                             F                                     D D E   D D             F           D D             D          
0642337 3.1                                                 S     A                                     S S S   S S             T         A S S             S          
0651023 2.8                                                       A                                     T T T   T T     A       A         A T T             T     A    
0671253 3.3 C         A               A                           B                                     A A A   A       B       B     B   B A A             A          
0691244 3.5           F                                           G                                     F F F F E       G       G     G   G F E             F          
0721641 2.9                                                                                               I I   I               J         J I I             I     J    
0790648 2.9       M   L                                       L   M                         K                                       K M             L L                
0792120 5.2 F     E   E               E                       E   F                 E       E                           F       E   E F E           E E     E   E E    
0821700 3.2 Q     Q                                           P   Q                 P                                           P     Q             P P     O   P      
0841013 2.7       P   O               O                       O   P                                                     P       P                   O O     O   O      
0921410 3.3       R   Q                                       R   R                                                     R       R                   Q R         R      
0970419 3.5       K                                         J K   L                 J                                     L         K L             K K     J   K      
1141554 2.9       Q   O                 P                     P   Q                                                       Q   O       Q             P P         P      
1170939 3.1       J   I                                       I   J                                                       J   I       J             I I         J      
1230030 3.2       Q   P               P                       P   Q                                                       Q   P       Q             P P         P      
1240409 3.7       F   E                                       E   F                         E                             F     F     F             E F     E   F F    
1292346 3.2       B   A                 A                     A A B                         A                             B     B     B             A A         A      
1351745 2.8       C                   C D                     C   C                                                       D           D             C C         C      
1360840 3.8       R   Q               Q R                     Q   R                 P       P                             R   P R     R             Q Q         Q      
1390612 3.6       Q                   P P                     P P Q                         P                             Q   P P     Q             P P     O   P      
1451256 4.4       A   T               T T                     T T                                                         A   T A     A             T T     T   T      
1481715 3.6       F                     F                     F                             E                                 E       G             E E         F      
1530327 3.8       F                     F                     F F                           F                             G G F F     F             F F     E          
1660559 4.2       R                     Q                     Q Q                                                         R   R R     R             Q Q     Q          
 
            4 B B C C C C C D D E E G G G G G H I I I I I I J L L L L M M M M M M N N N N N N P P P P R R R R R S S S S S S S S S S S S S S S S S S T T T T V W W W Y F
            3 H H 2 H L R S R W T W 1 C P T T L A A A A A A E F F X X A K K K K K C E P R S W R V V V G N N S S E E H H M M M M M R S S S T W W Y Y A O P R A O V V O S
            S G P 3 S C S E B P W S D C K H S T 1 2 3 4 5 6 N 5 6 A B Y 1 2 3 4 5 U W O S L S A 1 2 S T N S J U N T R S C D F I S Y A C P J N O F L G P C M N C N S L S
 
Number of events = 116

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Gary Glassmoyer
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