last update to page: November 07 2018 17:40:24 (UTC).

Magnitude 3.1 Earthquake: Southern California

Summary

The red marker denotes the earthquake epicenter.

On Mon Aug 20th 2018 15:44:54 (UTC) the seismic network recorded an earthquake (preliminary 3.05 ml) 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 CRY in the network is 10.9 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:Mon Aug 20th 2018 15:44:54 (UTC)
Magnitude:3.05 ml
Location:(33.4847,-116.8029)
Depth:3.6 km
Author:UCSD:jtytellMl
evid,orid:1832784,1920715
nass,ndef:113,112
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
CRY_HHZ0.098°214.12°P2018-08-20 15:44:56.7684 UTC5844.8-0.13iasp91dbp:jtytell:1821855331
CRY_HHE0.098°214.12°S2018-08-20 15:44:58.2529 UTC-1-0.229iasp91dbp:jtytell:1821861668
BZN_HHZ0.114°266.59°P2018-08-20 15:44:57.2884 UTC1492.40.132iasp91dbp:jtytell:1821855333
BZN_HHE0.114°266.59°S2018-08-20 15:44:58.9864 UTC-10.058iasp91dbp:jtytell:1821861670
JORD_HHZ0.132°275.46°P2018-08-20 15:44:57.6145 UTC4310.20.118iasp91dbp:jtytell:1821855335
WMC_HHZ0.139°230.27°P2018-08-20 15:44:57.6284 UTC483.540.002iasp91dbp:jtytell:1821855337
WMC_HHE0.139°230.27°S2018-08-20 15:44:59.5582 UTC-1-0.184iasp91dbp:jtytell:1821861713
RDM_HHZ0.15°165.53°P2018-08-20 15:44:57.8184 UTC1512.6-0.024iasp91dbp:jtytell:1821855339
RDM_HHE0.15°165.53°S2018-08-20 15:44:59.8497 UTC-1-0.269iasp91dbp:jtytell:1821861714
FRD_HHZ0.168°266.63°P2018-08-20 15:44:58.235 UTC1845.30.086iasp91dbp:jtytell:1821855341
TFRD_HHZ0.168°266.6°P2018-08-20 15:44:58.2636 UTC15.720.132iasp91dbp:jtytell:1821855343
FRD_HHN0.168°266.63°S2018-08-20 15:45:00.5292 UTC-1-0.116iasp91dbp:jtytell:1821861718
TMSP_HHZ0.169°217.11°P2018-08-20 15:44:58.385 UTC5187.60.12iasp91dbp:jtytell:1821855345
SND_HHZ0.172°247.06°P2018-08-20 15:44:58.4084 UTC4649.30.156iasp91dbp:jtytell:1821855347
SND_HHE0.172°247.06°S2018-08-20 15:45:00.9533 UTC-10.125iasp91dbp:jtytell:1821861719
RRSP_HHZ0.175°197.6°P2018-08-20 15:44:58.4129 UTC4241.90.078iasp91dbp:jtytell:1821855349
RHIL_HHZ0.191°187.95°P2018-08-20 15:44:58.7545 UTC2662.10.138iasp91dbp:jtytell:1821855356
RHIL_HHE0.191°187.95°S2018-08-20 15:45:01.4965 UTC-10.035iasp91dbp:jtytell:1821861720
KNW_HHE0.242°198.3°S2018-08-20 15:45:02.7821 UTC-1-0.34iasp91dbp:jtytell:1821861723
LVA2_HHZ0.242°303.52°P2018-08-20 15:44:59.9911 UTC43690.423iasp91dbp:jtytell:1821855366
KNW_HHZ0.242°198.3°P2018-08-20 15:44:59.4907 UTC1946.5-0.088iasp91dbp:jtytell:1821855360
SMER_HHZ0.308°84.87°P2018-08-20 15:45:01.1484 UTC367.460.426iasp91dbp:jtytell:1821855372
SMER_HHN0.308°84.87°S2018-08-20 15:45:05.6297 UTC-10.559iasp91dbp:jtytell:1821861726
PFO_HHN0.313°246.17°S2018-08-20 15:45:05.0559 UTC-1-0.361iasp91dbp:jtytell:1821861729
PFO_HHZ0.313°246.17°P2018-08-20 15:45:00.9284 UTC357.550.017iasp91dbp:jtytell:1821855370
TRO_HHZ0.317°263.09°P2018-08-20 15:45:01.1965 UTC381.20.073iasp91dbp:jtytell:1821855374
CPE_HHE0.647°22.92°S2018-08-20 15:45:15.7881 UTC-1-0.428iasp91dbp:jtytell:1821861740
CPE_HHZ0.647°22.92°P2018-08-20 15:45:06.9381 UTC30.449-0.244iasp91dbp:jtytell:1821855375
MONP2_HHZ0.673°331.85°P2018-08-20 15:45:07.8621 UTC79.40.015iasp91dbp:jtytell:1821855387
MONP2_HHN0.673°331.85°S2018-08-20 15:45:16.8249 UTC-1-0.578iasp91dbp:jtytell:1821861742

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: