last update to page: January 25 2018 20:01:13 (UTC).

Magnitude 3.9 Earthquake: Southern California

Summary

The red marker denotes the earthquake epicenter.

On Thu Jan 25th 2018 10:09:56 (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 SMER in the network is 43.3 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 Jan 25th 2018 10:09:56 (UTC)
Magnitude:3.94 mw
Location:(33.741,-117.4912)
Depth:11.2 km
Author:USGS:ci
evid,orid:1558712,1627440
nass,ndef:147,198
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.

Signal description at some stations

STA_CHANS-E DeltaS-E AzimuthPhase TimeSignal/NoiseTime ResidualV. ModelAutharid
SMER_HHZ0.389°316.8°Pg2018-01-25 10:10:03.9984 UTC2829.7-0.509iasp91dbp:jtytell:1801666914
SMER_HHE0.389°316.8°Sg2018-01-25 10:10:09.4051 UTC-1-0.702iasp91dbp:jtytell:1801667395
RDM_HHZ0.547°281.89°Pg2018-01-25 10:10:07.0321 UTC406.02-0.435iasp91dbp:jtytell:1801666916
RDM_HHN0.547°281.89°Sg2018-01-25 10:10:14.4962 UTC-1-0.722iasp91dbp:jtytell:1801667399
RHIL_HHZ0.603°276.66°Pg2018-01-25 10:10:08.3966 UTC-1-0.128iasp91dbp:jtytell:1801667347
RHIL_HHE0.603°276.66°Sg2018-01-25 10:10:17.0197 UTC-1-0.022iasp91dbp:jtytell:1801667402
RRSP_HHZ0.632°278.35°Pg2018-01-25 10:10:08.9043 UTC-1-0.172iasp91dbp:jtytell:1801667350
KNW_HHZ0.649°272.59°Pg2018-01-25 10:10:08.9679 UTC866.4-0.427iasp91dbp:jtytell:1801666918
KNW_HHN0.649°272.59°Sg2018-01-25 10:10:17.8008 UTC-1-0.741iasp91dbp:jtytell:1801667407
CRY_HHZ0.652°285.84°Pg2018-01-25 10:10:08.8834 UTC455.67-0.567iasp91dbp:jtytell:1801666948
CRY_HHN0.652°285.84°Sg2018-01-25 10:10:17.9299 UTC-1-0.709iasp91dbp:jtytell:1801667409
WMC_HHZ0.7°284.06°Pg2018-01-25 10:10:09.7484 UTC451.04-0.617iasp91dbp:jtytell:1801666924
WMC_HHN0.7°284.06°Sg2018-01-25 10:10:19.2092 UTC-1-1.007iasp91dbp:jtytell:1801667414
BZN_HHZ0.73°290.2°Pg2018-01-25 10:10:10.3679 UTC375.79-0.573iasp91dbp:jtytell:1801666951
BZN_HHN0.73°290.2°Sg2018-01-25 10:10:20.19 UTC-1-1.02iasp91dbp:jtytell:1801667415
SND_HHZ0.755°284.74°Pg2018-01-25 10:10:10.9606 UTC3197.4-0.453iasp91dbp:jtytell:1801666926
SND_HHN0.755°284.74°Sg2018-01-25 10:10:21.716 UTC-1-0.309iasp91dbp:jtytell:1801667418
TFRD_HHZ0.78°288.64°Pg2018-01-25 10:10:11.4161 UTC-1-0.471iasp91dbp:jtytell:1801667361
TFRD_HHN0.78°288.64°Sg2018-01-25 10:10:21.8655 UTC-1-0.976iasp91dbp:jtytell:1801667423
FRD_HHZ0.78°288.65°Pg2018-01-25 10:10:11.2001 UTC334.33-0.688iasp91dbp:jtytell:1801666952
FRD_HHN0.78°288.65°Sg2018-01-25 10:10:21.7527 UTC-1-1.09iasp91dbp:jtytell:1801667422
LVA2_HHZ0.867°296.94°Pg2018-01-25 10:10:12.7231 UTC700.62-0.817iasp91dbp:jtytell:1801666930
LVA2_HHE0.867°296.94°Sg2018-01-25 10:10:24.6696 UTC-1-1.024iasp91dbp:jtytell:1801667430
PFO_HHZ0.868°278.85°Pg2018-01-25 10:10:12.8283 UTC776.29-0.733iasp91dbp:jtytell:1801666931
PFO_HHE0.868°278.85°Sg2018-01-25 10:10:24.2398 UTC-1-1.491iasp91dbp:jtytell:1801667432
CPE_HHZ0.911°339.37°Pg2018-01-25 10:10:12.6184 UTC1025.7-1.757iasp91dbp:jtytell:1801666929
CPE_HHE0.911°339.37°Sg2018-01-25 10:10:24.783 UTC-1-2.352iasp91dbp:jtytell:1801667439
TRO_HHZ0.913°284.08°Pg2018-01-25 10:10:13.8305 UTC36.154-0.589iasp91dbp:jtytell:1801666934
TRO_HHN0.913°284.08°Sg2018-01-25 10:10:26.2562 UTC-1-0.954iasp91dbp:jtytell:1801667440
SIO5_HHZ0.923°347.43°Pg2018-01-25 10:10:13.3786 UTC250.62-1.216iasp91dbp:jtytell:1801666933
MONP2_HHZ1.232°313.84°Pn2018-01-25 10:10:18.3058 UTC86.771-1.634iasp91dbp:jtytell:1801666957
MONP2_HHE1.232°313.84°Sb2018-01-25 10:10:34.681 UTC-1-2.388iasp91dbp:jtytell:1801667450

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: