last update to page: January 23 2018 19:14:59 (UTC).

Magnitude 7.9 Earthquake: Gulf Of Alaska

Summary

The red marker denotes the earthquake epicenter.

On Tue Jan 23rd 2018 09:31:42 (UTC) the seismic network recorded an earthquake (preliminary 7.9 mww) located in Gulf Of Alaska. Seismic region Alaska - Aleutian Arc.

The epicentral distance (i.e. distance separating the location to the epicenter) to the closest station CSLB in the network is 3,424.6 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 Jan 23rd 2018 09:31:42 (UTC)
Magnitude:7.9 mww
Location:(56.0464,-149.0728)
Depth:25.0 km
Author:USGS:us
evid,orid:1556559,1624763
nass,ndef:125,0
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_HHZ31.471°325.57°P2018-01-23 09:38:02.779 UTC-10.312iasp91dbp:jtytell:1801665509
SMER_HHE31.471°325.57°S2018-01-23 09:43:15.7743 UTC-15.941iasp91dbp:jtytell:1801665574
KNW_HHZ31.478°325.07°P2018-01-23 09:38:03.1271 UTC-10.602iasp91dbp:jtytell:1801665510
KNW_HHE31.478°325.07°S2018-01-23 09:43:21.6455 UTC-111.709iasp91dbp:jtytell:1801665576
RDM_HHZ31.482°325.23°P2018-01-23 09:38:02.876 UTC-10.312iasp91dbp:jtytell:1801665511
RDM_HHE31.482°325.23°S2018-01-23 09:43:20.3164 UTC-110.311iasp91dbp:jtytell:1801665577
RHIL_HHZ31.483°325.15°P2018-01-23 09:38:03.1734 UTC-10.602iasp91dbp:jtytell:1801665512
RHIL_HHN31.483°325.15°S2018-01-23 09:43:13.1437 UTC-13.125iasp91dbp:jtytell:1801665578
RRSP_HHZ31.516°325.15°P2018-01-23 09:38:02.8905 UTC-10.029iasp91dbp:jtytell:1801665515
RRSP_HHE31.516°325.15°S2018-01-23 09:43:23.0074 UTC-112.475iasp91dbp:jtytell:1801665579
CRY_HHZ31.588°325.23°P2018-01-23 09:38:04.0053 UTC-10.514iasp91dbp:jtytell:1801665487
CRY_HHE31.588°325.23°S2018-01-23 09:43:21.9275 UTC-110.277iasp91dbp:jtytell:1801665581
WMC_HHZ31.611°325.18°P2018-01-23 09:38:03.6974 UTC-10.004iasp91dbp:jtytell:1801665518
WMC_HHN31.611°325.18°S2018-01-23 09:43:18.3685 UTC-16.359iasp91dbp:jtytell:1801665582
SND_HHZ31.658°325.17°P2018-01-23 09:38:04.2311 UTC-10.123iasp91dbp:jtytell:1801665521
SND_HHN31.658°325.17°S2018-01-23 09:43:19.467 UTC-16.722iasp91dbp:jtytell:1801665584
BZN_HHZ31.682°325.26°P2018-01-23 09:38:04.5598 UTC-10.242iasp91dbp:jtytell:1801665524
PFO_HHZ31.682°325.03°P2018-01-23 09:38:04.3238 UTC-10.004iasp91dbp:jtytell:1801665525
PFO_HHN31.682°325.03°S2018-01-23 09:43:23.7819 UTC-110.661iasp91dbp:jtytell:1801665586
FRD_HHZ31.71°325.22°P2018-01-23 09:38:04.6286 UTC-10.064iasp91dbp:jtytell:1801665533
FRD_HHN31.71°325.22°S2018-01-23 09:43:20.9498 UTC-17.394iasp91dbp:jtytell:1801665594
TRO_HHZ31.771°325.09°P2018-01-23 09:38:05.6363 UTC-10.54iasp91dbp:jtytell:1801665534
TRO_HHN31.771°325.09°S2018-01-23 09:43:22.5068 UTC-18.008iasp91dbp:jtytell:1801665595
LVA2_HHZ31.847°325.33°P2018-01-23 09:38:06.1877 UTC-10.421iasp91dbp:jtytell:1801665538
SIO5_HHZ31.945°326.18°P2018-01-23 09:38:07.284 UTC-10.659iasp91dbp:jtytell:1801665540
SIO5_HHE31.945°326.18°S2018-01-23 09:43:28.8224 UTC-111.611iasp91dbp:jtytell:1801665598
CPE_HHZ31.973°326.05°P2018-01-23 09:38:07.3482 UTC-10.481iasp91dbp:jtytell:1801665543
CPE_HHN31.973°326.05°S2018-01-23 09:43:23.5944 UTC-15.952iasp91dbp:jtytell:1801665601
MONP2_HHZ32.292°325.66°P2018-01-23 09:38:10.5018 UTC-10.838iasp91dbp:jtytell:1801665552
MONP2_HHN32.292°325.66°S2018-01-23 09:43:31.1777 UTC-18.571iasp91dbp:jtytell:1801665610

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: