M4.0 earthquake - 26 km W of Happy Valley, Alaska
2494 d ago · 19 Dec 2019, 22:17 UTC 26 km W of Happy Valley, 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 26 km W of Happy Valley, Alaska on 19 Dec 2019, 22:17 UTC at a depth of 81 km.
Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was an intermediate-depth earthquake, so shaking is spread over a wider, gentler area.
The nearest town in our records is Anchorage, about 191 km away in Alaska, United States.
Timeline
First reported by USGS
17 Oct 2026, 09:39 UTC
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