Northern California

1999 Interactive Earthquake Map

This map shows all earthquakes with a magnitude of 3.0 or greater.

Click on larger quakes (5.0+ onshore) for special closer view satellite maps:

Mammoth Lakes - Bolinas

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UPDATED: Friday, September 19, 2008 04:10 PM

Northern California Earthquakes

1999
MAG DATE

UTC

TIME
LOCATION
Depth KM
3.01/1/9910:29 AM101 W Crescent City, CA5.0
3.01/1/9911:45 AM4 ESE Mammoth Lakes, CA4.8
3.01/1/993:09 PM3 NNW Redding, CA23.2
3.11/3/993:30 PM12 SE Mammoth Lakes, CA6.2
3.11/5/9911:43 AM4 WSW Markleeville, CA0.5
3.51/5/9911:55 AM11 WSW Portola, CA0.7
3.31/8/9911:39 PM7 E Watsonville, CA7.4
3.21/9/992:48 AM14 E Hawthorne, NV13.5
3.01/9/997:22 AM3 NNW Redding, CA25.2
3.21/12/998:40 AM120 W Petrolia, CA5.0
3.01/12/997:24 PM8 N Morgan Hill, CA5.3
3.21/15/994:35 PM3 NNW Redding, CA23.6
4.31/18/998:48 AM16 SSE Hollister, CA10.9
3.41/18/999:34 PM16 SSE Hollister, CA10.2
3.01/19/998:03 AM8 S Hollister, CA6.7
3.01/22/999:46 AM11 ESE Mammoth Lakes, CA8.7
3.01/24/999:28 AM0 NNW The Geysers, CA2.0
4.01/24/993:34 PM8 NNE Fort Bragg, CA6.2
3.01/25/994:39 PM8 NE Willows, CA14.5
3.11/25/997:52 PM19 E Lone Pine, CA0.0
3.81/27/993:58 AM9 N Morgan Hill, CA6.3
3.11/28/997:48 PM7 NE Mono Lake, CA14.0
3.71/29/998:13 AM58 W Petrolia, CA25.5
3.22/2/998:46 PM4 N Petrolia, CA9.2
3.92/4/9912:19 AM6 ENE Morgan Hill, CA6.4
3.72/4/9912:21 AM6 ENE Morgan Hill, CA6.2
3.32/4/998:26 AM12 SE Mammoth Lakes, CA6.3
3.52/4/994:30 PM19 SW Basque, OR5.0
3.02/5/9911:14 AM3 NNW Redding, CA23.6
3.32/5/996:10 PM3 N Redding, CA25.3
3.42/6/993:35 AM24 W Fort Ross, CA0.0
3.02/7/997:43 AM10 NW Pinnacles, CA3.6
3.62/9/992:32 PM40 W Ferndale, CA13.2
3.42/12/992:05 AM10 NW Pinnacles, CA8.4
3.72/15/996:00 AM7 WSW Petrolia, CA22.1
3.92/18/998:58 AM2 SE The Geysers, CA2.2
3.42/18/998:58 AM2 SE The Geysers, CA4.3
3.12/18/9910:04 AM7 W Petrolia, CA28.2
3.32/22/9911:26 PM16 N Blocksburg, CA28.4
3.92/24/9910:02 AM16 NW Ferndale, CA23.7
3.02/24/998:13 PM13 N Doyle, CA0.0
3.32/24/9911:10 PM3 SSW Mammoth Lakes, CA7.8
4.62/27/997:13 AM14 E Redding, CA2.5
3.12/27/998:03 PM12 SE Mammoth Lakes, CA6.7
3.02/28/992:26 PM10 W The Geysers, CA2.6
4.52/28/993:33 PM155 W Petrolia, CA10.0
3.03/3/9912:40 AM15 SSE Hollister, CA8.7
3.23/10/9910:17 AM9 E Healdsburg, CA8.8
3.73/12/998:01 PM10 SSE Mammoth Lakes, CA8.0
3.83/14/996:14 PM60 W Petrolia, CA2.5
3.63/14/996:28 PM71 W Petrolia, CA2.5
3.93/14/998:25 PM6 WSW Merced, CA2.7
3.13/15/994:19 AM77 W Petrolia, CA5.0
3.73/16/995:27 AM64 SW Port Orford, OR10.0
4.33/16/996:06 PM68 SW Port Orford, OR10.0
3.33/17/997:28 PM13 SE Mammoth Lakes, CA4.9
3.03/18/994:01 AM3 E Dixie Valley, NV11.7
3.13/18/994:05 AM2 E Dixie Valley, NV10.9
3.33/18/993:12 PM3 E Dixie Valley, NV11.1
3.33/20/9912:20 AM18 SW Alder Springs, CA12.7
3.03/23/998:44 AM4 NE Willits, CA4.5
4.13/23/996:36 PM13 SSE Hollister, CA6.7
3.43/23/997:34 PM13 SSE Hollister, CA5.7
3.03/25/994:40 AM14 SSE Hollister, CA6.2
3.03/25/994:55 PM10 WNW The Geysers, CA3.6
3.23/25/996:02 PM18 S Kirkwood, CA62.0
3.33/27/9912:58 PM14 SSE Hollister, CA6.1
3.13/27/991:00 PM14 SSE Hollister, CA6.2
3.13/27/998:48 PM6 E Mammoth Lakes, CA5.2
3.03/27/999:06 PM73 SW Port Orford, OR10.0
3.53/29/9912:11 AM11 S Willows, CA7.7
3.33/31/991:55 PM4 WNW The Geysers, CA4.8
3.44/1/994:59 PM13 SSE Hollister, CA6.9
3.04/2/995:14 AM16 W Petrolia, CA10.2
3.84/4/996:00 AM3 NE The Geysers, CA3.8
3.04/4/997:27 AM15 SSE Hollister, CA6.6
3.24/4/996:12 PM11 NE Concord, CA20.3
3.54/5/9910:08 PM2 SE The Geysers, CA2.5
3.34/9/991:56 AM6 SE The Geysers, CA0.3
3.04/11/997:31 AM8 WSW Hollister, CA4.8
4.04/14/9912:48 AM161 W Petrolia, CA10.0
3.44/14/9912:48 AM123 W Petrolia, CA5.2
3.04/15/991:49 AM14 SSE Hollister, CA5.7
3.24/15/993:00 AM10 NW Pinnacles, CA7.2
3.04/15/993:18 AM10 NW Pinnacles, CA6.4
3.84/15/993:20 AM10 NW Pinnacles, CA6.9
3.14/15/996:07 AM3 NNE The Geysers, CA3.9
3.04/16/9910:44 AM12 SE Mammoth Lakes, CA6.7
3.24/18/997:26 AM9 NW Pinnacles, CA3.4
3.74/19/9912:36 PM6 E Dixie Valley, NV14.6
3.34/19/9912:37 PM19 NNW Dyer, NV5.0
3.94/24/997:56 AM9 SE Mammoth Lakes, CA8.0
3.04/25/994:35 AM9 ESE Redding, CA22.5
3.04/26/9912:09 AM0 N The Geysers, CA4.3
3.25/2/995:59 AM34 WSW Dillon Beach, CA0.3
3.15/3/9912:13 AM101 W Crescent City, CA22.7
3.15/3/992:55 AM9 SE Mammoth Lakes, CA8.5
3.05/4/9911:59 PM11 SE Mammoth Lakes, CA8.4
3.15/6/999:12 AM6 SW Klamath Falls, OR5.0
3.15/7/996:14 AM14 W Petrolia, CA20.8
3.25/10/9910:42 AM1 W The Geysers, CA2.2
3.35/11/999:01 PM1 NNW The Geysers, CA5.1
3.25/12/9912:09 PM10 S Mammoth Lakes, CA5.9
5.65/15/991:22 PM12 SE Mammoth Lakes, CA5.6
3.95/15/991:28 PM14 SSE Mammoth Lakes, CA3.3
3.45/15/991:32 PM14 SSE Mammoth Lakes, CA6.8
3.05/15/991:34 PM11 SE Mammoth Lakes, CA4.7
4.35/15/991:38 PM12 SE Mammoth Lakes, CA6.9
3.25/15/991:40 PM14 SSE Mammoth Lakes, CA5.0
3.15/15/991:42 PM12 SE Mammoth Lakes, CA3.6
3.15/15/991:49 PM12 SE Mammoth Lakes, CA4.5
3.65/15/991:53 PM12 SE Mammoth Lakes, CA8.5
3.25/15/991:53 PM14 SSE Mammoth Lakes, CA3.2
3.35/15/991:59 PM11 SE Mammoth Lakes, CA4.3
3.45/15/992:00 PM13 SE Mammoth Lakes, CA4.8
3.45/15/992:01 PM13 SSE Mammoth Lakes, CA6.5
3.15/15/992:04 PM12 SE Mammoth Lakes, CA4.3
3.05/15/992:23 PM11 SE Mammoth Lakes, CA7.3
3.25/15/992:28 PM12 SE Mammoth Lakes, CA5.4
3.15/15/992:36 PM13 SE Mammoth Lakes, CA4.5
3.35/15/992:36 PM12 SE Mammoth Lakes, CA7.4
3.15/15/993:08 PM12 SE Mammoth Lakes, CA4.7
3.25/15/993:32 PM12 SE Mammoth Lakes, CA6.0
3.65/15/993:59 PM12 SE Mammoth Lakes, CA3.1
3.25/15/995:28 PM12 SE Mammoth Lakes, CA8.0
3.15/15/995:47 PM13 SSE Mammoth Lakes, CA4.2
4.75/15/995:54 PM12 SE Mammoth Lakes, CA7.9
3.05/15/996:31 PM13 SE Mammoth Lakes, CA4.2
3.35/15/997:15 PM11 SE Mammoth Lakes, CA3.4
3.15/15/998:11 PM11 SE Mammoth Lakes, CA7.7
4.05/15/998:58 PM44 W Petrolia, CA0.0
4.05/15/999:40 PM13 SSE Mammoth Lakes, CA5.9
3.35/15/999:56 PM11 SE Mammoth Lakes, CA4.7
3.15/15/9911:34 PM14 SE Mammoth Lakes, CA4.2
3.15/15/9911:46 PM14 SE Mammoth Lakes, CA3.3
3.25/16/9912:44 AM14 SSE Mammoth Lakes, CA4.1
3.15/16/993:28 AM12 SE Mammoth Lakes, CA5.8
3.25/16/993:38 AM12 SE Mammoth Lakes, CA6.8
3.05/16/993:40 AM18 SSW Los Banos, CA29.2
3.25/16/993:57 AM13 SE Mammoth Lakes, CA2.5
3.15/16/996:42 AM14 SE Mammoth Lakes, CA4.3
3.15/16/996:50 AM13 SE Mammoth Lakes, CA4.4
3.05/16/997:14 AM14 SE Mammoth Lakes, CA2.6
3.05/16/998:15 AM13 SE Mammoth Lakes, CA4.9
3.25/16/9911:30 AM13 SE Mammoth Lakes, CA3.3
3.15/16/9912:18 PM12 SE Mammoth Lakes, CA4.6
3.25/16/9912:31 PM12 SE Mammoth Lakes, CA7.6
3.15/16/994:45 PM12 SE Mammoth Lakes, CA4.4
3.05/16/997:55 PM10 ESE Mammoth Lakes, CA6.5
3.35/16/9910:38 PM14 SSE Mammoth Lakes, CA8.1
3.35/16/9910:45 PM14 SSE Mammoth Lakes, CA7.5
3.25/16/9911:12 PM12 SE Mammoth Lakes, CA7.2
3.25/16/9911:27 PM12 SE Mammoth Lakes, CA6.9
3.15/17/993:55 AM12 SE Mammoth Lakes, CA4.9
4.35/17/996:37 AM12 SE Mammoth Lakes, CA3.2
3.15/17/997:22 AM12 SE Mammoth Lakes, CA3.6
3.55/17/998:08 AM12 SE Mammoth Lakes, CA3.7
3.25/17/999:39 AM15 ESE Lone Pine, CA6.0
3.35/17/999:39 AM14 ESE Lone Pine, CA6.0
3.35/17/9911:50 AM1 N The Geysers, CA5.4
3.15/17/9912:29 PM12 SE Mammoth Lakes, CA3.3
3.15/17/993:05 PM10 SSE Mammoth Lakes, CA6.2
3.25/17/994:28 PM11 SE Mammoth Lakes, CA5.9
3.05/18/991:36 AM14 SSE Mammoth Lakes, CA3.9
3.15/18/992:56 PM12 SE Mammoth Lakes, CA4.5
4.85/18/993:16 PM19 E Shaver Lake, CA36.2
3.25/18/996:58 PM15 SSE Mammoth Lakes, CA4.1
3.95/18/998:08 PM50 W Petrolia, CA26.5
3.75/18/999:06 PM13 SE Mammoth Lakes, CA0.5
3.05/18/9911:30 PM12 SE Mammoth Lakes, CA7.2
3.25/19/991:57 AM14 SSE Mammoth Lakes, CA3.0
3.55/19/9910:31 AM13 SE Mammoth Lakes, CA8.2
3.35/19/9910:43 AM13 W Bishop, CA5.0
3.45/20/993:24 AM17 W Red Bluff, CA20.7
3.15/20/995:42 PM12 SE Mammoth Lakes, CA7.5
3.25/22/994:21 PM12 SE Mammoth Lakes, CA2.2
3.65/23/996:43 PM70 W Petrolia, CA10.0
3.15/25/999:36 AM15 SSE Mammoth Lakes, CA7.3
3.95/25/994:42 PM12 SE Mammoth Lakes, CA5.3
3.05/25/996:32 PM13 SE Mammoth Lakes, CA13.9
3.15/26/993:25 AM11 SE Mammoth Lakes, CA4.8
3.05/26/993:47 AM11 SE Mammoth Lakes, CA4.6
4.25/26/993:53 AM11 SE Mammoth Lakes, CA4.6
3.05/26/994:18 AM11 SE Mammoth Lakes, CA4.4
3.15/26/995:41 AM11 SE Mammoth Lakes, CA4.4
3.25/26/999:43 AM11 SE Mammoth Lakes, CA4.7
4.25/26/996:04 PM11 SE Mammoth Lakes, CA4.2
3.65/26/996:35 PM12 SE Mammoth Lakes, CA5.2
3.45/26/996:35 PM12 SE Mammoth Lakes, CA3.8
3.45/26/997:34 PM12 SE Mammoth Lakes, CA4.5
3.25/26/997:35 PM13 SSE Mammoth Lakes, CA3.7
4.45/26/999:22 PM12 SE Mammoth Lakes, CA7.5
3.15/27/993:07 AM11 SE Mammoth Lakes, CA4.5
3.05/28/997:59 AM12 SE Mammoth Lakes, CA4.9
3.85/28/998:45 PM11 SE Mammoth Lakes, CA4.4
3.15/30/995:20 AM11 ESE Mammoth Lakes, CA4.9
3.15/30/996:34 AM11 SE Mammoth Lakes, CA4.3
3.15/30/993:58 PM12 SE Mammoth Lakes, CA4.1
3.66/1/998:24 AM146 W Crescent City, CA10.0
4.66/1/998:28 AM142 W Crescent City, CA10.0
3.86/1/998:38 AM147 W Crescent City, CA10.0
3.76/1/9910:50 AM149 W Crescent City, CA10.0
3.36/1/997:43 PM11 ESE Mammoth Lakes, CA5.3
3.56/2/999:26 PM21 WNW Petrolia, CA20.7
3.86/3/993:32 AM12 SE Mammoth Lakes, CA7.5
3.36/3/994:48 PM16 SE Mammoth Lakes, CA6.2
4.46/3/999:36 PM12 SE Mammoth Lakes, CA3.5
3.36/3/999:39 PM11 SE Mammoth Lakes, CA4.8
3.26/3/999:56 PM12 SE Mammoth Lakes, CA3.6
3.16/4/9910:39 PM12 SE Mammoth Lakes, CA3.5
3.46/9/998:34 PM62 W Petrolia, CA23.4
3.16/10/998:59 PM7 SW Hollister, CA7.1
3.16/14/996:15 PM12 SE Mammoth Lakes, CA0.8
3.06/14/998:40 PM5 NNE Shingletown, CA16.2
3.36/14/999:42 PM13 ESE Mammoth Lakes, CA10.6
3.56/14/999:47 PM13 ESE Mammoth Lakes, CA10.7
3.76/14/9910:40 PM15 SE Mammoth Lakes, CA7.8
3.06/15/996:12 AM14 SE Mammoth Lakes, CA11.1
3.66/15/997:50 AM8 SW Portola, CA8.8
3.56/15/997:51 AM7 SW Portola, CA13.3
3.06/16/998:31 AM6 WNW Mono Lake, CA12.7
3.06/17/999:02 AM11 SE Mammoth Lakes, CA8.4
3.46/24/993:29 AM16 SE Mammoth Lakes, CA6.5
4.06/25/993:16 PM13 NNE Red Bluff, CA4.0
3.06/26/996:06 PM8 NE Honey Lake, CA12.7
3.06/29/991:26 AM94 W Petrolia, CA10.0
3.36/29/995:59 PM11 NNW Pinnacles, CA13.0
3.17/1/997:51 PM20 NNE Vya, NV21.9
3.27/1/998:06 PM9 E Fort Bidwell, CA24.1
3.17/3/991:26 AM5 W Big Pine, CA14.0
3.47/4/993:44 AM12 SE Mammoth Lakes, CA10.7
3.27/4/9910:40 AM15 ENE Mina, NV11.0
3.87/5/993:06 AM13 W Petrolia, CA22.5
3.17/5/995:36 PM11 SE Mammoth Lakes, CA1.3
3.27/6/995:16 AM67 W Petrolia, CA10.0
3.27/6/991:55 PM14 SSE Hollister, CA3.2
3.07/6/995:58 PM4 NNW Portola, CA0.2
3.07/9/992:08 AM18 NNE Lakeport, CA11.8
3.07/9/998:04 PM12 SE Mammoth Lakes, CA4.5
3.27/15/998:57 AM10 SE Mammoth Lakes, CA10.9
3.07/15/991:13 PM15 W Petrolia, CA19.1
3.17/15/9910:36 PM15 SSE Mammoth Lakes, CA0.2
3.77/16/998:44 AM14 SSE Mammoth Lakes, CA0.3
3.17/16/999:10 AM14 SSE Mammoth Lakes, CA0.8
3.07/16/999:32 AM15 SSE Mammoth Lakes, CA0.1
3.87/16/9910:14 AM15 SSE Mammoth Lakes, CA0.0
3.17/18/992:44 AM8 NNE Macdoel, CA17.2
3.27/19/9912:10 PM10 SE Qualeys Camp, NV26.9
3.57/19/9911:29 PM12 SE Mammoth Lakes, CA6.3
3.17/23/993:34 PM11 SE Mammoth Lakes, CA7.8
4.3