4.0
EarthquakeStrong
M4.0 earthquake - 259 km ESE of Chiniak, Alaska
3173 d ago · 9 Feb 2018, 08:22 UTC 259 km ESE of Chiniak, 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 4 earthquake struck 259 km ESE of Chiniak, Alaska on 9 Feb 2018, 08:22 UTC at a depth of 19 km.
Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was a shallow earthquake, which tends to be felt more strongly at the surface.
Timeline
First reported by USGS
17 Oct 2026, 08:53 UTC
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