5.3
EarthquakeStrong
M5.3 earthquake - 35 km SW of Attu Station, Alaska
3756 d ago · 4 Jul 2016, 18:40 UTC 35 km SW of Attu Station, 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 5.3 earthquake struck 35 km SW of Attu Station, Alaska on 4 Jul 2016, 18:40 UTC at a depth of 35 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
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