last update to page: April 26 2018 18:22:05 (UTC).

Magnitude 3.9 Earthquake: Southern California

Summary

The red marker denotes the earthquake epicenter.

On Thu Apr 26th 2018 01:36:00 (UTC) the seismic network recorded an earthquake (preliminary 3.94 mw) located in Southern California. Seismic region California - Nevada Region.

The epicentral distance (i.e. distance separating the location to the epicenter) to the closest station BVDA2 in the network is 8.7 km.

If you felt the quake, the USGS would like to know. Please add your comments to the USGS page "Did you feel it?".

Details

Time:Thu Apr 26th 2018 01:36:00 (UTC)
Magnitude:3.94 mw
Location:(33.3797,-116.2983)
Depth:13.9 km
Author:USGS:ci
evid,orid:1648229,1723559
nass,ndef:153,139
Authoritative:y

Proximity to Population Centers

Event and active stations

The red marker denotes the earthquake epicenter.

Seismic waveforms for closest station

Closest station with identified signal. Not filtered.

Seismic waveforms for vertical channels in network

Subset of several stations close to the event. Not filtered.

Seismic Analysis

Moment Tensor

Signal description at some stations

STA_CHANS-E DeltaS-E AzimuthPhase TimeSignal/NoiseTime ResidualV. ModelAutharid
TRO_HHZ0.179°143.47°Pg2018-04-26 01:36:04.5684 UTC3698-0.185iasp91dbp:jtytell:1811737129
TRO_HHE0.179°143.47°Sg2018-04-26 01:36:07.7291 UTC-1-0.151iasp91dbp:jtytell:1811738191
LVA2_HHZ0.222°82.64°Pg2018-04-26 01:36:05.3931 UTC10016-0.045iasp91dbp:jtytell:1811737131
LVA2_HHN0.222°82.64°Sg2018-04-26 01:36:09.1865 UTC-10.164iasp91dbp:jtytell:1811738195
PFO_HHZ0.268°149.88°Pg2018-04-26 01:36:05.7984 UTC2360.7-0.433iasp91dbp:jtytell:1811737132
PFO_HHE0.268°149.88°Sg2018-04-26 01:36:09.8684 UTC-1-0.477iasp91dbp:jtytell:1811738206
FRD_HHZ0.278°114.31°Pg2018-04-26 01:36:06.1984 UTC4831-0.214iasp91dbp:jtytell:1811737134
FRD_HHN0.278°114.31°Sg2018-04-26 01:36:10.521 UTC-1-0.129iasp91dbp:jtytell:1811738207
JORD_HHZ0.304°107.63°Pg2018-04-26 01:36:06.7595 UTC9135.8-0.1iasp91dbp:jtytell:1811737138
JORD_HHN0.304°107.63°Sg2018-04-26 01:36:11.3274 UTC-1-0.078iasp91dbp:jtytell:1811738214
SND_HHZ0.314°123.18°Pg2018-04-26 01:36:06.8184 UTC6711-0.22iasp91dbp:jtytell:1811737140
SND_HHE0.314°123.18°Sg2018-04-26 01:36:11.8213 UTC-10.109iasp91dbp:jtytell:1811738212
BZN_HHZ0.327°109.87°Pg2018-04-26 01:36:07.1784 UTC410.96-0.101iasp91dbp:jtytell:1811737142
BZN_HHE0.327°109.87°Sg2018-04-26 01:36:11.9568 UTC-1-0.167iasp91dbp:jtytell:1811738213
WMC_HHZ0.369°121.6°Pg2018-04-26 01:36:07.7407 UTC608.82-0.287iasp91dbp:jtytell:1811737144
WMC_HHE0.369°121.6°Sg2018-04-26 01:36:13.3673 UTC-1-0.051iasp91dbp:jtytell:1811738216
TMSP_HHZ0.399°126.79°Pg2018-04-26 01:36:08.3855 UTC-1-0.186iasp91dbp:jtytell:1811738137
TMSP_HHN0.399°126.79°Sg2018-04-26 01:36:14.6048 UTC-10.24iasp91dbp:jtytell:1811738268
CRY_HHZ0.411°116.77°Pg2018-04-26 01:36:08.5095 UTC1176.8-0.274iasp91dbp:jtytell:1811737146
CRY_HHN0.411°116.77°Sg2018-04-26 01:36:14.1821 UTC-1-0.555iasp91dbp:jtytell:1811738269
RRSP_HHZ0.457°126.34°Pg2018-04-26 01:36:09.2882 UTC-1-0.352iasp91dbp:jtytell:1811738141
RRSP_HHN0.457°126.34°Sg2018-04-26 01:36:16.1258 UTC-1-0.112iasp91dbp:jtytell:1811738274
KNW_HHZ0.48°134.02°Pg2018-04-26 01:36:09.4131 UTC7753.7-0.651iasp91dbp:jtytell:1811737152
RHIL_HHZ0.492°126.53°Pg2018-04-26 01:36:09.9453 UTC-1-0.328iasp91dbp:jtytell:1811738146
RHIL_HHN0.492°126.53°Sg2018-04-26 01:36:17.0272 UTC-1-0.316iasp91dbp:jtytell:1811738280
MONP2_HHZ0.499°11.99°Pg2018-04-26 01:36:10.1984 UTC939.25-0.207iasp91dbp:jtytell:1811737154
MONP2_HHN0.499°11.99°Sg2018-04-26 01:36:17.1392 UTC-1-0.433iasp91dbp:jtytell:1811738281
RDM_HHZ0.522°118.49°Pg2018-04-26 01:36:10.3147 UTC173.68-0.529iasp91dbp:jtytell:1811737156
RDM_HHN0.522°118.49°Sg2018-04-26 01:36:17.8202 UTC-1-0.511iasp91dbp:jtytell:1811738283
SMER_HHZ0.732°95.87°Pg2018-04-26 01:36:13.7684 UTC384.92-1.037iasp91dbp:jtytell:1811737173
SMER_HHE0.732°95.87°Sg2018-04-26 01:36:23.7197 UTC-1-1.446iasp91dbp:jtytell:1811738289
CPE_HHZ0.835°53.78°Pg2018-04-26 01:36:15.4944 UTC272.42-1.253iasp91dbp:jtytell:1811737175
CPE_HHN0.835°53.78°Sg2018-04-26 01:36:26.4999 UTC-1-2.015iasp91dbp:jtytell:1811738294
SIO5_HHZ0.962°55.67°Pb2018-04-26 01:36:18.1131 UTC31.635-0.891iasp91dbp:jtytell:1811737188
SIO5_HHN0.962°55.67°Sb2018-04-26 01:36:30.8288 UTC-1-1.63iasp91dbp:jtytell:1811738302

External resources

Current seismic activity measured by the seismic network

Click the link below to observe an interactive map of earthquakes recorded by the station deployment: