USGS National Engineering Strong-Motion Program

Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for

December 21, 2008, Tres Pinos, California Earthquake (posted 12/22/2008)

Mw 3.6, 12/21/2008, 20:09 UTC, 12/21/2008, 12:09 AM PST, 36.677 N, 121.304 W, 6.5 km depth, Regional Network ID# nc51213552

Sta

Inst

Inst

State: City; Recorder Location

Owner

Lat

Lon

Dist

Az

Ch

Sensor

Orient

PGA

PGV

PSA at:

Code

type

S/N

deg

deg

km

deg

No

type

deg

cm/s/s

cm/s

0.3 s

1.0 s

3.0 s

1575

Etna

1404

CA:Hollister;City Hall Annex

USGS

36.8511

-121.4034

21.3

335

1

FBA-2g

360

3.5

-0.136

0.82

0.133

0.0081

2

FBA-2g

UP

6.1

0.151

0.33

0.074

0.0043

3

FBA-2g

90

-7.7

0.372

1.70

0.153

0.0102