last update to page: September 22 2017 20:30:33 (UTC).

Magnitude 5.7 Earthquake: Off Coast Of Northern California


The red marker denotes the earthquake epicenter.

On Fri Sep 22nd 2017 19:50:16 (UTC) the seismic network recorded an earthquake (preliminary 5.7 mww) located in Off Coast Of Northern California. Seismic region California - Nevada Region.

The epicentral distance (i.e. distance separating the location to the epicenter) to the closest station CSLB in the network is 1,060.5 km.

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


Time:Fri Sep 22nd 2017 19:50:16 (UTC)
Magnitude:5.7 mww
Depth:9.1 km

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
RDM_HHZ10.373°313.87°Pn2017-09-22 19:52:46.4291 UTC10.7120.896iasp91dbp:jtytell:1721524862
RHIL_HHZ10.389°313.51°pPn2017-09-22 19:52:47.1822 UTC-1-0.764iasp91dbp:jtytell:1721524899
KNW_HHZ10.397°313.19°Pn2017-09-22 19:52:46.3338 UTC8.14060.471iasp91dbp:jtytell:1721524865
RRSP_HHZ10.423°313.51°Pn2017-09-22 19:52:46.8715 UTC-10.648iasp91dbp:jtytell:1721524903
TMSP_HHZ10.48°313.49°pPn2017-09-22 19:52:48.7221 UTC-1-0.481iasp91dbp:jtytell:1721524905
CRY_HHZ10.484°313.84°Pn2017-09-22 19:52:47.3844 UTC11.8150.33iasp91dbp:jtytell:1721524871
WMC_HHZ10.516°313.65°Pn2017-09-22 19:52:48.5309 UTC11.0691.038iasp91dbp:jtytell:1721524869
SND_HHZ10.568°313.58°Pn2017-09-22 19:52:49.0694 UTC8.29240.861iasp91dbp:jtytell:1721524873
BZN_HHZ10.577°313.95°Pn2017-09-22 19:52:49.16 UTC9.2650.825iasp91dbp:jtytell:1721524867
FRD_HHZ10.614°313.77°Pn2017-09-22 19:52:49.4153 UTC7.07220.578iasp91dbp:jtytell:1721524890
PFO_HHZ10.62°312.96°Pn2017-09-22 19:52:49.0749 UTC-10.153iasp91dbp:jtytell:1721524907
LVA2_HHZ10.738°314.22°Pn2017-09-22 19:52:51.1462 UTC-10.613iasp91dbp:jtytell:1721524913
MONP2_HHZ11.145°315.55°Pn2017-09-22 19:52:56.9644 UTC9.70620.861iasp91dbp:jtytell:1721524879

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: