Earthquake in Fox Islands, Aleutian Islands
Reported by EMSC 101 days ago.
It is the 3rd strongest of the 16 detections recorded within 20 km of this point since 18 March 2026. The last comparable one was on 22 May 2026. One more was recorded here in the fortnight before it.
What the source measured
EMSC reported: FOX ISLANDS, ALEUTIAN ISLANDS
EMSC recorded magnitude 5.0 at a depth of -29 km.
The seismic region given by the source is FOX ISLANDS, ALEUTIAN ISLANDS.
Nearby, since 18 March 2026
- July 10, 2026 · score 0 · 2.3 km
- September 1, 2026 · score 8 · 5.5 km
- September 1, 2026 · score 18 · 5.7 km
How we know
One source: EMSC. Not yet confirmed by a second, independent source.
Our own score for this event is 16 out of 100, at 63 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Earthquake |
| Severity | medium |
| Calamity Score (ours) | 16 / 100 |
| Our confidence | 63% |
| Coordinates | 52.1943, -169.4204 |
| Nearest City | Anchorage (1547 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-23T09:03:09.430Z |
| Source | https://www.seismicportal.eu/eventdetail.html?unid=20260523_0000134 |
Score Breakdown
Technical Details
| Mag | 5 |
| Depth | -29 |
| MagType | mb |
| Region | FOX ISLANDS, ALEUTIAN ISLANDS |
| Auth | EMSC |
| SourceId | 1999172 |
Safety Information
If you feel shaking: Drop, Cover, and Hold On. Move away from windows, heavy objects, and exterior walls. After shaking stops, check for injuries and structural damage. Be prepared for aftershocks, which can occur minutes to months after the mainshock. Follow instructions from local emergency management authorities.
Series begins 10 February 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Want to know when something happens near Anchorage?
Calamity.live data shows a earthquake event with CalamityScore 16/100, in Fox Islands, Aleutian Islands, based on data from emsc. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.