Details of Earthquake 12/08/18 18:36.44 (UTC) in Northern Alaska

Key: Purple star Earthquake in Northern Alaska | Orange star Stations | Red star KEYW

Click on stations on the map to view thumbnails of the seismologram images

Date Time (UTC) Magnitude Latitude Longitude Depth (km) Location
12/08/18 18:36.44 4.7 69.57 -144.75 8.7 Northern Alaska

Stations that have uploaded data for this earthquake

Station Distance to earthquake (km / °) P arrival PP arrival S arrival SS arrival Surface waves .sac data file Seismogram images
UnitedStates NTLK 4586.79 41.25 ° 18:44:29 18:46:04 18:50:44 18:53:48 18:57 NTLK NTLK

Approximate predicted arrival times of key phases

Hover over table headers for more information.

Key to networks: AU FR IRI IUP JA MIQ ORS Ru S SIE UK ZNT II

Network Station Distance to earthquake (km / °) P arrival PP arrival S arrival SS arrival Surface waves
6117.94 km 55.02 ° 18:46:15 18:48:18 18:53:58 18:57:43 19:04
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A P-wave taking the most direct route

P-wave

A P-wave which has bounced once

PP-wave

An S-wave taking the most direct route

S wave

An S-wave which has bounced once

SS wave

Waves which travel along the surface along great circle paths