6.6
EarthquakeMajorPAGER: green
M6.6 earthquake - north of Ascension Island
3346 d ago · 18 Aug 2017, 02:59 UTC north of Ascension Island
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 6.6 earthquake struck north of Ascension Island on 18 Aug 2017, 02:59 UTC at a depth of 35 km.
Earthquakes of this size are classed as Strong. Can cause damage in populated areas up to tens of kilometres away. This was a shallow earthquake, which tends to be felt more strongly at the surface.
Timeline
First reported by USGS
16 Oct 2026, 20:46 UTC
Community
Did you feel it?
Nearby in the last 30 days
No other events recorded within about 300 km in the last 30 days.