EarthquakeStrongPAGER: green

M5.6 earthquake - 78 km SSE of Adak, Alaska

Name: M5.6 earthquake - 78 km SSE of Adak, Alaska
Start: 2017-04-04T22:08:40.6+00:00
Location: 78 km SSE of Adak, Alaska

3482 d ago · 4 Apr 2017, 22:08 UTC 78 km SSE of Adak, Alaska

A tsunami flag was raised for this event. This does not mean a tsunami occurred. Always follow official tsunami warning centres and local authorities.

What happened

A magnitude 5.6 earthquake struck 78 km SSE of Adak, Alaska on 4 Apr 2017, 22:08 UTC at a depth of 17 km.

Earthquakes of this size are classed as Moderate. Can damage poorly built structures close to the epicentre. This was a shallow earthquake, which tends to be felt more strongly at the surface.

Timeline

First reported by USGS
16 Oct 2026, 20:47 UTC

Community

Did you feel it?

Nearby in the last 30 days

4.0
M4.0 earthquake - 92 km SSE of Adak, Alaska
1 h ago12 km deep
Moderate
3.9
M3.9 earthquake - 107 km SSE of Adak, Alaska
1 h ago11 km deep
Light
1.1
M1.1 earthquake - 44 km NE of Adak, Alaska
8 h ago3 km deep
Minor
0.5
M0.5 earthquake - 41 km NE of Adak, Alaska
1 d ago5 km deep
Minor
2.6
M2.6 earthquake - 155 km W of Adak, Alaska
1 d ago94 km deep
Light
3.5
M3.5 earthquake - 8 km SW of Atka, Alaska
2 d ago195 km deep
Light
2.6
M2.6 earthquake - 190 km WSW of Adak, Alaska
4 d ago45 km deep
Light
2.9
M2.9 earthquake - 93 km ESE of Adak, Alaska
4 d ago27 km deep
Light
2.9
M2.9 earthquake - 242 km WSW of Adak, Alaska
4 d ago6 km deep
Light
2.7
M2.7 earthquake - 190 km WSW of Adak, Alaska
5 d ago16 km deep
Light