Archive for October, 2012

October 28, 2012

San Andreas Fault 26km ENE of King City, California, 5.3Mw, 21/10/2012

A Moderate 5.3Mw earthquake has occurred on the San Andreas Fault 26km ENE of King City, California, USA
When: 2012/10/21 06:55:09 UTC, 2012/10/20 23:55:09 (UTC-07:00) at epicenter
Magnitude/ Number of Stations Used 5.3 Mw (n/a), mb = 5.3 (193), ML = 5.4 (150)
Location 36.310°N, 120.856°W ± 0.2 km
Depth 9.2 km ± 0.4 km
Number of Phases Used 101
Event ID nc71863625
Total Energy Released= 1,344.028 TTNT

No damage or injuries have been reported

In the interactive maps below click on Icon for event details.
To view a larger map and list (in ascending order of occurance), click on text “View Larger Map” below map.

Aftershock map – 125 Hours (5 days, 5 hours) – USGS data

USGS WPhase Centroid MTS

USGS WPhase Centoid moment tensor solution

summary

125 hours after the main shock
mag<1.0= 2, mag1= 108, mag2= 31
mag3= 2, mag4= 0, mag5= 1 (mainshock)
total= 144 (incl. main shock)
total energy released= 1,350.332 TTNT

MM Intensity Reports:

Reported Felt as; [usgs]
MM V – King City [49]
Big sur [7], Bradley [17], Buttonwillow [1], Coalinga [52], Friant [2], Greenfield [25], Huron [4], Marshall [1], Monterey [2], Paicines [8], Palo Alto [1], Paso Robles [351], San Jose [5], San Miguel [33], Soledad [26], Stratford [5], Templeton [74], Wasco [3]
MM III – Aptos [106], Armona [8], Arnold [1], Arroyo Grande [217], Atascadero [268], Avenal [13], Bakersfield [1], Bass Lake [6], Ben Lomond [44], Benicia [1], Benton [1], Berkeley [3], Boulder Creek [44], Cambria [68], Capitola [47], Carmel [110], Carmel Valley [48], Caruthers [13], Castroville [15], Cayucos [21], Chowchilla [18], Chualar [1], Clovis [216], Coarsegold [12], Columbia [1], Corcoran [24], Creston [9], Davenport [2], Dinuba [22], Dos Palos [10], Fairfax [1], Fellows [3], Felton [55], Firebaugh [4], Freedom [4], Fresno [799], Gonzales [9], Grover Beach [102], Guadalupe [28], Gustine [3], Hanford [110], Hollister [74], Kerman [16], Kings Canyon National PK [9], Kingsburg [19], Le Grand [3], Lemoore [113], Lindsay [11], Lockwood [5], Lompoc [6], Lone Pine [1], Long Beach [1], Los Altos [1], Los Banos [40], Los Gatos [52], Los Olivos [1], Los Osos [166], Lost Hills [2], Madera [82], Marina [124], MC Kittrick [1], Mendota [4], Monterey [198], Montgomery Creek [1], Morro Bay [121], Moss Landing [7], Newman [3], Nipomo [60], North Fork [10], North San Juan [1], Oceano [61], Orange Cove [2], Oxnard [1], Pacific Grove [62], Pebble Beach [10], Pismo Beach [59], Pixley [1], Raisin City [1], Redlands [1], Reedley [32], Riverdale [11], Salinas [257], San Francisco [6], San Jose [7], San Juan Bautista [4], San Luis Obispo [349], San Simeon [2], Santa Ana [1], Santa Clara [4], Santa Cruz [485], Santa Margarita [15], Santa Maria [41], Scotts Valley [105], Seaside [128], Shandon [7], Soquel [33], Stanford [5], Stockton [1], Sunnyvale [1], Tarzana [1], Tipton [1], Tollhouse [5], Tulare [82], Tuolumne [1], Vallejo [1], Visalia [254], Watsonville [85], Woodlake [4], Yosemite National Park [15],

Foreshocks

Foreshocks 564 hours (3 weeks) prior

History 1900-2012 ( ANSS)

Data from the Advanced National Seismic System catalog hosted by the Northern California Earthquake Data Center, historical events within a 50km radius of todays event for the period 1900 to 2012 magnitude 5+[11 events]
Todays event marked with a 100% opacity icon

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