Earthquake Details
Anderson Springs, Ca 3.98m Earthquake, Monday Apr. 19 2021, 11:50:58 AM
Anderson Springs, CA Earthquake
The USGS has reported a 3.98 magnitude earthquake has struck 3km SW of Anderson Springs, CA on Apr. 19 2021, 11:50:58 AM, at a depth of 2.88 km. There were no significant injuries or damage reported at this point, Friendly Forecast will update this report as events unfold.
Foreshock
This earthquake has been labeled a Foreshock. You can find information for the main earthquake here:
Did you feel it?
735 others have felt the Anderson Springs, CA earthquake and have since reported it. See below for the response locations and intensities.
Community Internet Intensity Map
| Responses | Location | Shaking | Distance |
|---|---|---|---|
| 1 | Glenbrook, NV 89413 | WEAK | 246 km |
| 1 | La Mesa, CA 91941 | WEAK | 842 km |
| 1 | Oceanside, CA 92058 | NO | 777 km |
| 1 | Fountain Valley, CA 92708 | WEAK | 705 km |
| 1 | Los Banos, CA 93635 | WEAK | 250 km |
| 1 | Salinas, CA 93908 | WEAK | 259 km |
| 1 | Burlingame, CA 94010 | NO | 135 km |
| 1 | Daly City, CA 94014 | WEAK | 122 km |
| 1 | Daly City, CA 94015 | LIGHT | 121 km |
| 1 | South San Francisco, CA 94080 | WEAK | 125 km |
| 5 | San Francisco, CA 94102 | WEAK | 111 km |
| 5 | San Francisco, CA 94103 | WEAK | 112 km |
| 3 | San Francisco, CA 94105 | LIGHT | 111 km |
| 1 | San Francisco, CA 94107 | WEAK | 113 km |
| 13 | San Francisco, CA 94109 | WEAK | 110 km |
| 14 | San Francisco, CA 94110 | WEAK | 115 km |
| 2 | San Francisco, CA 94112 | WEAK | 117 km |
| 8 | San Francisco, CA 94114 | WEAK | 113 km |
| 2 | San Francisco, CA 94115 | WEAK | 110 km |
| 4 | San Francisco, CA 94116 | WEAK | 114 km |
| 8 | San Francisco, CA 94117 | WEAK | 112 km |
| 8 | San Francisco, CA 94118 | WEAK | 110 km |
| 7 | San Francisco, CA 94121 | WEAK | 110 km |
| 16 | San Francisco, CA 94122 | WEAK | 112 km |
| 3 | San Francisco, CA 94123 | WEAK | 109 km |
| 1 | San Francisco, CA 94130 | LIGHT | 108 km |
| 2 | San Francisco, CA 94131 | WEAK | 114 km |
| 1 | San Francisco, CA 94132 | NO | 116 km |
| 1 | San Francisco, CA 94158 | WEAK | 113 km |
| 1 | San Mateo, CA 94402 | NO | 142 km |
| 5 | Angwin, CA 94508 | LIGHT | 31 km |
| 25 | Calistoga, CA 94515 | LIGHT | 20 km |
| 1 | Fairfield, CA 94533 | WEAK | 81 km |
| 1 | Fairfield, CA 94534 | WEAK | 77 km |
| 1 | Hayward, CA 94544 | NO | 137 km |
| 1 | Castro Valley, CA 94546 | WEAK | 124 km |
| 1 | Livermore, CA 94551 | NO | 138 km |
| 9 | Napa, CA 94558 | WEAK | 49 km |
| 5 | Napa, CA 94559 | WEAK | 66 km |
| 2 | Pope Valley, CA 94567 | LIGHT | 26 km |
| 6 | Saint Helena, CA 94574 | LIGHT | 39 km |
| 1 | San Ramon, CA 94583 | NO | 127 km |
| 1 | Vallejo, CA 94592 | WEAK | 79 km |
| 1 | Yountville, CA 94599 | WEAK | 49 km |
| 2 | Oakland, CA 94618 | WEAK | 109 km |
| 1 | Berkeley, CA 94707 | LIGHT | 102 km |
| 1 | Berkeley, CA 94709 | WEAK | 105 km |
| 1 | Berkeley, CA 94710 | NO | 105 km |
| 1 | Berkeley, CA 94720 | WEAK | 106 km |
| 2 | Richmond, CA 94801 | WEAK | 94 km |
| 2 | Richmond, CA 94804 | WEAK | 98 km |
| 4 | San Rafael, CA 94901 | WEAK | 88 km |
| 2 | San Rafael, CA 94903 | WEAK | 82 km |
| 1 | Greenbrae, CA 94904 | LIGHT | 90 km |
| 1 | Bodega Bay, CA 94923 | LIGHT | 53 km |
| 1 | Bolinas, CA 94924 | LIGHT | 91 km |
| 1 | Corte Madera, CA 94925 | WEAK | 94 km |
| 4 | Rohnert Park, CA 94928 | WEAK | 45 km |
| 2 | Fairfax, CA 94930 | LIGHT | 88 km |
| 4 | Cotati, CA 94931 | WEAK | 48 km |
| 1 | Mill Valley, CA 94941 | NO | 96 km |
| 4 | Novato, CA 94945 | WEAK | 71 km |
| 1 | Nicasio, CA 94946 | LIGHT | 78 km |
| 3 | Novato, CA 94949 | LIGHT | 78 km |
| 5 | Petaluma, CA 94952 | LIGHT | 59 km |
| 3 | Petaluma, CA 94954 | WEAK | 60 km |
| 2 | San Anselmo, CA 94960 | LIGHT | 85 km |
| 2 | Sausalito, CA 94965 | WEAK | 102 km |
| 1 | Milpitas, CA 95035 | NO | 166 km |
| 1 | Santa Clara, CA 95051 | LIGHT | 169 km |
| 1 | San Jose, CA 95119 | WEAK | 188 km |
| 2 | Gustine, CA 95322 | WEAK | 231 km |
| 23 | Santa Rosa, CA 95401 | WEAK | 34 km |
| 85 | Santa Rosa, CA 95403 | WEAK | 28 km |
| 59 | Santa Rosa, CA 95404 | WEAK | 42 km |
| 16 | Santa Rosa, CA 95405 | LIGHT | 35 km |
| 9 | Santa Rosa, CA 95407 | LIGHT | 40 km |
| 43 | Santa Rosa, CA 95409 | WEAK | 35 km |
| 1 | Cazadero, CA 95421 | LIGHT | 43 km |
| 2 | Clearlake, CA 95422 | WEAK | 29 km |
| 5 | Cloverdale, CA 95425 | WEAK | 27 km |
| 6 | Forestville, CA 95436 | WEAK | 33 km |
| 1 | Fort Bragg, CA 95437 | NO | 115 km |
| 12 | Geyserville, CA 95441 | LIGHT | 12 km |
| 1 | Glen Ellen, CA 95442 | WEAK | 46 km |
| 8 | Guerneville, CA 95446 | LIGHT | 35 km |
| 67 | Healdsburg, CA 95448 | LIGHT | 18 km |
| 1 | Kelseyville, CA 95451 | LIGHT | 19 km |
| 4 | Kenwood, CA 95452 | WEAK | 40 km |
| 3 | Lower Lake, CA 95457 | LIGHT | 22 km |
| 32 | Middletown, CA 95461 | LIGHT | 10 km |
| 5 | Monte Rio, CA 95462 | LIGHT | 41 km |
| 8 | Occidental, CA 95465 | WEAK | 47 km |
| 3 | Hidden Valley Lake, CA 95467 | WEAK | 17 km |
| 27 | Sebastopol, CA 95472 | WEAK | 42 km |
| 7 | Sonoma, CA 95476 | WEAK | 60 km |
| 59 | Windsor, CA 95492 | LIGHT | 25 km |
| 1 | Elk Grove, CA 95624 | NO | 129 km |
| 1 | Esparto, CA 95627 | NO | 62 km |
| 2 | Lincoln, CA 95648 | NO | 123 km |
| 3 | Vacaville, CA 95688 | WEAK | 71 km |
| 1 | Elk Grove, CA 95757 | WEAK | 120 km |
| 1 | Rocklin, CA 95765 | NO | 125 km |
| 1 | Sacramento, CA 95820 | NO | 114 km |
Did you feel the 3.98 Anderson Springs, CA earthquake? If you felt the quake you can report it here to the USGS.
Other Imagery and Data
GEO Community Internet Intensity Map
Intensity vs Distance Plot
Responses vs Time Plot
Macroseismic Intensity Map
Peak Ground Acceleration Map
Peak Ground Velocity Map
0.3 Second Peak Spectral Acceleration Map
1 Second Peak Spectral Acceleration Map
3 Second Peak Spectral Acceleration Map
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