last update to page: May 08 2018 20:02:35 (UTC).

Magnitude 4.5 Earthquake: Southern California

Summary

The red marker denotes the earthquake epicenter.

On Tue May 8th 2018 11:49:34 (UTC) the seismic network recorded an earthquake (preliminary 4.49 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 WRDG in the network is 32.1 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:Tue May 8th 2018 11:49:34 (UTC)
Magnitude:4.49 mw
Location:(34.016,-116.7798)
Depth:12.9 km
Author:USGS:ci
evid,orid:1662577,1738930
nass,ndef:159,185
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
KNW_HHZ0.307°349.44°Pg2018-05-08 11:49:40.0838 UTC55676-0.231iasp91dbp:jtytell:1811747453
KNW_HHN0.307°349.44°Sg2018-05-08 11:49:44.6089 UTC-1-0.24iasp91dbp:jtytell:1811748788
RHIL_HHZ0.343°358.82°Pg2018-05-08 11:49:40.8302 UTC-1-0.127iasp91dbp:jtytell:1811748728
RHIL_HHE0.343°358.82°Sg2018-05-08 11:49:46.0413 UTC-10.079iasp91dbp:jtytell:1811748791
RDM_HHZ0.39°8.31°Pg2018-05-08 11:49:41.5784 UTC1867.2-0.238iasp91dbp:jtytell:1811747455
RDM_HHN0.39°8.31°Sg2018-05-08 11:49:47.1763 UTC-1-0.288iasp91dbp:jtytell:1811748795
TMSP_HHZ0.405°348.33°Pg2018-05-08 11:49:41.9656 UTC-1-0.127iasp91dbp:jtytell:1811748733
WMC_HHZ0.451°348.86°Pg2018-05-08 11:49:42.4184 UTC4778.4-0.517iasp91dbp:jtytell:1811747459
CRY_HHZ0.452°355.53°Pg2018-05-08 11:49:42.6484 UTC14805-0.307iasp91dbp:jtytell:1811747461
CRY_HHE0.452°355.53°Sg2018-05-08 11:49:49.1184 UTC-1-0.339iasp91dbp:jtytell:1811748801
SND_HHZ0.484°343.41°Pg2018-05-08 11:49:43.2604 UTC8956.7-0.3iasp91dbp:jtytell:1811747487
SND_HHN0.484°343.41°Sg2018-05-08 11:49:50.6214 UTC-10.116iasp91dbp:jtytell:1811748809
PFO_HHZ0.484°326.73°Pg2018-05-08 11:49:43.0603 UTC11343-0.494iasp91dbp:jtytell:1811747463
PFO_HHE0.484°326.73°Sg2018-05-08 11:49:50.1232 UTC-1-0.372iasp91dbp:jtytell:1811748806
BZN_HHZ0.533°349.89°Pg2018-05-08 11:49:44.1084 UTC5632.8-0.361iasp91dbp:jtytell:1811747469
BZN_HHN0.533°349.89°Sg2018-05-08 11:49:51.6169 UTC-1-0.458iasp91dbp:jtytell:1811748815
FRD_HHZ0.542°344.23°Pg2018-05-08 11:49:44.2071 UTC21112-0.431iasp91dbp:jtytell:1811747471
FRD_HHN0.542°344.23°Sg2018-05-08 11:49:51.7599 UTC-1-0.606iasp91dbp:jtytell:1811748819
JORD_HHZ0.555°348.39°Pg2018-05-08 11:49:44.4643 UTC19772-0.427iasp91dbp:jtytell:1811747473
JORD_HHE0.555°348.39°Sg2018-05-08 11:49:52.3331 UTC-1-0.469iasp91dbp:jtytell:1811748820
TRO_HHZ0.574°329.24°Pg2018-05-08 11:49:44.8284 UTC15147-0.413iasp91dbp:jtytell:1811747477
TRO_HHN0.574°329.24°Sg2018-05-08 11:49:53.4148 UTC-10.008iasp91dbp:jtytell:1811748821
SMER_HHZ0.646°30.11°Pg2018-05-08 11:49:45.8188 UTC2754.4-0.785iasp91dbp:jtytell:1811747479
SMER_HHE0.646°30.11°Sg2018-05-08 11:49:54.5174 UTC-1-1.239iasp91dbp:jtytell:1811748824
LVA2_HHZ0.689°344.77°Pg2018-05-08 11:49:46.9317 UTC25240-0.479iasp91dbp:jtytell:1811747481
LVA2_HHN0.689°344.77°Sg2018-05-08 11:49:56.3344 UTC-1-0.814iasp91dbp:jtytell:1811748828
CPE_HHZ1.159°13.45°Pb2018-05-08 11:49:54.235 UTC304.59-1.676iasp91dbp:jtytell:1811747488
CPE_HHE1.159°13.45°Sb2018-05-08 11:50:09.1995 UTC-1-2.69iasp91dbp:jtytell:1811748841
MONP2_HHZ1.163°345.24°Pb2018-05-08 11:49:55.0184 UTC2004.8-0.953iasp91dbp:jtytell:1811747489
MONP2_HHE1.163°345.24°Sb2018-05-08 11:50:10.8074 UTC-1-1.188iasp91dbp:jtytell:1811748842
SIO5_HHZ1.239°18.32°Pn2018-05-08 11:49:55.8036 UTC270.5-1.23iasp91dbp:jtytell:1811747507
SIO5_HHE1.239°18.32°Sb2018-05-08 11:50:12.3817 UTC-1-1.863iasp91dbp:jtytell:1811748844

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: