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Peak-ground values for recent earthquakes recorded by the USGS National Strong-Motion Project are available below. Links are for html format pages. Users can access a Excel version by replacing the ".html" text in the link with ".xls". The pages are set up to print in landscape orientation. To print in landscape orientation using Internet Explorer click on "file", click on "print preview", then click on "landscape" orientation).
2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 and earlier
2009
20090414 22:44 UTC
Md 5.0 Ka`ena_Point, Hawai`i Island, Hawai`i Earthquake
20090330 17:40
UTC Mw 4.3 Morgan Hill, California Earthquake
20090309 19:44
UTC Md 4.0 Laupahoehoe, Hawai`i Island, Hawai`i Earthquake
20090130 13:25
UTC Mw 4.5 Seattle-Tacoma Urban Area Earthquake
20090124 18:09
UTC Mw 5.7 Lower Cook Inlet, Alaska Earthquake
20090117 12:55
UTC Md 3.9 Offshore South of Kalapana, Hawai`i Island, Hawai`i Earthquake
20090109 03:49
UTC Mw 4.5 San Bernardino, California Earthquake
20090104 17:27
UTC Mw 4.2 The Geysers, California Earthquake
20090102 14:17
UTC ML 5.2 Kodiak Island Region, Alaska Earthquake
2008
20081228 05:17
UTC Mw 4.2 Mexicali, Baja California, Mexico Earthquake
20081221 20:09
UTC Mw 3.6 Tres Pinos, California Earthquake
20081221 17:35
UTC Mw 4.1 Tres Pinos, California Earthquake
20081216 12:42
UTC MLg 3.6 Summerville, South Carolina Earthquake
20081206 04:18
UTC Mw 5.1 Ludlow, California Earthquake
20081102 20:42
UTC Mw 5.3 Puerto Rico Region Earthquake
20081026 09:27
UTC Mw 4.9 Offshore Northern California Earthquake
20081011 10:40
UTC Mw 5.9 Virgin Islands Region Earthquake
20081002 09:41
UTC Mw 3.8 Yucaipa, California Earthquake
20080906 04:00
UTC Mw 4.0 Alamo, California Earthquake
20080729 18:42
UTC Mw 5.4 Chino Hills, California Earthquake
20080623 14:14
UTC Mw 3.6 Loma Linda, California Earthquake
20080604 02:29
UTC Mw 3.9 Green Valley, California Earthquake
20080501 08:11
UTC Mw 4.2 Lake Isabella, California Earthquake
20080501 03:55
UTC Mw 3.8 Borrego Springs, California Earthquake
20080430 03:03
UTC Mw 5.4 Willow Creek, California Earthquake
20080428 11:33
UTC Mw 4.2 Verdi-Mogul, Nevada Earthquake
20080426 06:40
UTC Mw 5.0 Verdi-Mogul, Nevada Earthquake
20080424 22:55
UTC ML 4.2 Verdi-Mogul, Nevada Earthquake
20080418 15:14
UTC Mw 4.6 Bellmont, Illinois Earthquake
20080418 09:37
UTC Mw 5.2 Bellmont, Illinois Earthquake
20080221 14:16
UTC Mw 6.0 Wells, Nevada Earthquake
20080211 18:29
UTC Mw 5.1 Guadalupe Victoria, Baja California, Mexico Earthquake
20080209 07:12
UTC Mw 5.1 Guadalupe Victoria, Baja California, Mexico Earthquake
20080204 07:43
UTC Mw 5.2 Puerto Rico Region Earthquake
20080201 04:56
UTC ML 3.7 Avenal, California Earthquake
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2007
20071219 12:14
UTC ML 4.0 Big Bear Lake, California Earthquake
20071201 20:50
UTC Mw 4.0 The Geysers, California Earthquake
20071129 19:00
UTC Mw 7.4 Martinique Region, Windward Islands Earthquake
20071109 03:37
UTC Mw 4.1 WSW of Ferndale, California Earthquake
20071031 03:04
UTC Mw 5.4 Alum Rock, California Earthquake
20070913 03:35
UTC Mw 7.0 Kepulauan Mentawai Region, Indonesia Earthquake
20070913 00:51
UTC ML 4.1 Coalinga, California Earthquake
20070912 23:49
UTC Mw 7.9 Kepulauan Mentawai Region, Indonesia Earthquake
20070912 11:10
UTC Mw 8.4 Southern Sumatra, Indonesia Earthquake
20070902 17:29
UTC Mw 4.4 Lake Elsinore, California Earthquake
20070815 12:23
UTC Md 4.4 Ka`ena, Hawai`i Island, Hawai`i Earthquake
20070814 05:38
UTC Mw 5.4 SE of Pu`u `O`o Crater, Hawai`i Island, Hawai`i Earthquake
20070809 07:58
UTC Mw 4.4 Chatsworth, California Earthquake
20070806 08:48
UTC ML 3.9 Mount Pleasant, Utah Earthquake
20070723 08:14
UTC Md 3.6 Ho`okena, Hawai`i Island, Hawai`i Earthquake
20070720 11:42
UTC Mw 4.2 Oakland, California Earthquake
20070703 22:28
UTC Md 3.8 Hakalau, Hawai`i Island, Hawai`i Earthquake
20070702 19:58
UTC Mw 4.3 Aromas, California Earthquake
20070625 02:32
UTC Mw 5.0 West of Trinidad, California Earthquake
20070618 04:15
UTC Md 4.0 Volcano, Hawai`i Island, Hawai`i Earthquake
20070612 07:23
UTC Mw 4.6 Mammoth Lakes, California Earthquake
20070604 11:51
UTC Md 3.6 Pahala, Hawai`i Island, Hawai`i Earthquake
20070602 11:24
UTC Md 3.6 Ho`okena, Hawai`i Island, Hawai`i Earthquake
20070602 05:11
UTC Mw 4.2 Thousand Palms, California Earthquake
20070524 19:33
UTC Md 4.1 Kilauea Summit, Hawai`i Island, Hawai`i Earthquake
20070524 19:13
UTC Md 4.7 Kilauea Summit, Hawai`i Island, Hawai`i Earthquake
20070522 11:34
UTC Mw 4.0 Parkfield, California Earthquake
20070510 22:20
UTC ML 4.3 Valdez, Alaska Earthquake
20070502 15:35
UTC Md 3.5 `O`Okala, Hawai`i Island, Hawai`i Earthquake
20070424 21:08
UTC Mw 4.4 The Geysers, California Earthquake
20070309 03:17
UTC Mw 4.7 Bridgeport, California Earthquake
20070302 04:40
UTC Mw 4.2 Lafayette, California Earthquake
20070226 12:19
UTC Mw 5.4 Offshore Northern California Earthquake
20070109 15:49
UTC Mw 5.6 British Columbia, Canada Earthquake
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2006Back to the TOP
2005Back to the TOP
2004Back to the TOP
2003Mammoth Lakes, California Earthquake of May 15, 1999; 13:22 UTC.
Magnitude: (MW) = 5.6
Epicenter: located at 37.53° N. lat., 118.82° W. long., approx. 19 km SE of Mammoth
Lakes, CA
Depth: approx. 6 km.
Station |
Owner | Station Name |
Station |
Station Longitude (°W) |
Epicentral |
Recorder |
Depth (m) |
Instrument |
Peak |
1661 |
USGS | McGee Creek (Downhole Array) | 37.550 |
-118.811 | 2 |
CRA |
166 |
01-360 | 0.19 |
|
|
|
02- UP | Inopt. |
|||||
03-090 | 0.06 |
||||||||
CRA |
35 |
04-360 | 0.20 |
||||||
|
05- UP | 0.12 |
|||||||
06-090 | 0.17 |
||||||||
CRA |
surface |
07-360 | 0.48 |
||||||
|
08- UP | 0.39 |
|||||||
09-270 | 0.51 |
||||||||
CRA |
1 |
10-180 | 0.49 |
||||||
|
11- UP | 0.38 |
|||||||
12-270 | 0.48 |
||||||||
SMA |
Ground |
180 |
0.50 |
||||||
|
UP |
0.33 |
|||||||
|
090 |
0.61 |
|||||||
1576 |
USGS | Long Valley Fire Station | 37.570 |
-118.752 | 7 |
K2 |
Ground |
360 |
0.05 |
|
|
|
UP |
0.07 |
|||||
090 |
0.08 |
||||||||
1682 |
USGS | South Hammil Valley | 37.620 |
-118.390 | 39 |
SMA |
Ground |
NO TRIGGER |
|
1679 |
USGS | Chalfant Valley Fire Station | 37.530 |
-118.370 | 40 |
SMA |
Ground |
NO ACCESS |
|
1680 |
USGS | Hammil Valley | 37.680 |
-118.390 | 41 |
SMA | Ground | NO TRIGGER |
|
1589 |
USGS | Bishop Research Station | 37.361 |
-118.328 | 47 |
SSA |
Ground |
360 |
0.04 |
|
|
|
UP |
0.02 |
|||||
090 |
0.05 |
||||||||
1587 |
USGS | Mt. Barcroft | 37.583 |
-118.236 | 52 |
SMA |
Ground |
NO ACCESS |
|
2021 |
USGS | Montgomery Pass Maintenance Yard | 37.977 |
-118.318 | 66 |
SMA |
Ground |
NO ACCESS |
|
1588 |
USGS | Deep Springs College | 37.291 |
-117.979 | 79 |
SMA |
Ground |
NO ACCESS |
|
1054 |
ACOE | Pine Flat Dam (structure array) | 36.830 |
-119.330 | 90 |
SMA |
4-sites |
NO TRIGGER |
|
1442 |
ACOE | Hidden Dam (structure array) | 37.112 |
-119.883 | 105 |
SMA |
7-sites |
NO TRIGGER |
|
1450 |
ACOE | Buchanan Dam (structure array) | 37.217 |
-119.983 | 109 |
SMA |
7-sites |
NO TRIGGER |
|
2001 |
USGS | Hawthorne, NV ( U.S Army) | 38.550 |
-118.630 | 114 |
SMA |
Basement |
NOT CHECKED |
|
2010 |
USGS | Mina, NV (mine shaft adit) | 38.434 |
-118.154 | 116 |
SMA |
Ground |
NOT CHECKED |
|
1748 |
USGS | Fresno USGS Office | 36.774 |
-119.728 | 118 |
K2 |
Ground |
NO TRIGGER |
|
1229 |
VA | Fresno Veterans Administration Hospital | 36.775 |
-119.980 | 120 |
SMA |
Ground |
NO TRIGGER |
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Northern California (Alum Rock) Earthquake of May 21, 1996;
20:50:20 UTC
Magnitude: (ML) = 4.7
Epicenter: located at 37.359° N. lat., 121.724° W. long., approx. 16 kn E of San Jose,
CA
Depth: approx. 8 km.
Station |
Epicentral Distance (km) |
Instrument Orientation (°) | Peak Acceleration (g) |
Cherry Flat Reservoir | 5 |
360 | 0.04 |
Up | 0.03 | ||
270 | 0.10 | ||
Freeway 101/280/680 Overcrossing | 12 |
Non-seismic Triggers | |
Calaveras Reservoir | 13 |
Not Triggered | |
San Jose Weather Station | 16 |
Not Triggered | |
Sunol Wilderness | 20 |
Not Triggered | |
Anderson Dam, Center Crest (Channel 9) | 23 |
250 | 0.05 |
Anderson Dam, Downstream | 23 |
340 | 0.01 |
Up | 0.01 | ||
250 | 0.01 | ||
Sunnyvale | 27 |
Not Triggered |
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Washington STATE (Duvall) Earthquake of May 3, 1996; 04:04:23
UTC
Magnitude: (ML) = 5.3
Epicenter: located at 47.76° N. lat., 121.85° W. long., approx. 10 NE of Duvall, WA
Depth: approx. 8.
Station |
Epicentral Distance (km) |
Instrument Orientation (°) | Peak Acceleration (g) |
Tolt River Dam, Crest | 14 |
345 | 0.24 |
Up | 0.13 | ||
255 | 0.23 | ||
Tolt River Dam, Toe | 14 |
345 | 0.18 |
Up | 0.08 | ||
255 | 0.19 |
This Station is operated by the U.S. Geological Survey in cooperation with the Seattle Water Department. No other USGS stations in the region are known to have triggered during this earthquake.
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Northridge Aftershock of June 26, 1995; 0840:29 UTC.
Magnitude: (ML) = 4.9
Epicenter: located at 34.39° N. lat., 118.67° W. long.,
approx. 13 SSW of Castaic, CA (USGS, Pasadena)
Depth: approx. 11.
Station |
Epicentral Distance (km) |
Instrument Orientation (°) | Peak Acceleration (g) |
Jensen Filtration Plant (JFP) Admin. Bldg. | 18 |
022 | 0.04 |
Up | 0.02 |
||
292 | 0.04 |
||
JFP Generator Building | 18 |
022 | 0.03 |
Up | 0.02 |
||
292 | 0.04 |
||
JFP Reservoir Roof | 18 |
022 | 0.03 |
Up | 0.02 |
||
292 | 0.04 |
This was the only NSMP station triggered during the June 26 event.
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Puget Sound Earthquake of January 29, 1995; 0311:22.6 UTC.
[January 28, 7:11 pm local time].
Magnitude: (ML) = 4.9
Epicenter: located at 47.388° N. lat., 122.365° W. long.
Depth: approx. 17.
Slight damage at Auburn and Tacoma (USGS).
Station |
Epicentral Distance (km) |
Peak Acceleration (g) |
SeaTac International Airport | 08 |
0.03 |
Seattle Bulk Mail Center | 11 |
0.07 |
Gig Harbor | 18 |
0.03 |
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Washington State Earthquake of September 10, 1994; 0743:11.3 UTC.
Magnitude: (ML) =4.1
Epicenter: located at 47.186° N. lat., 121.959° W. long.
Depth: approx. 18km (USGS)
Station |
Epicentral Distance (km) |
Peak Acceleration (g) |
Howard Hansen Dam - Crest | 17 |
0.07 |
Howard Hansen Dam - Toe | 17 | 0.02 |
Howard Hansen Dam - Left Abutment | 17 | 0.02 |
Mud Mountain Dam - Crest | 06 |
0.04 |
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This page was last updated on April 16, 2009.