Earthquakes 155 km WSW of Adak, Alaska
Reported by USGS 101 days ago.
It is the 2nd strongest of the 16 detections recorded within 20 km of this point since 18 March 2026. The last comparable one was on 21 May 2026. 3 more were recorded here in the fortnight before it.
What the source measured
USGS reported: 155 km WSW of Adak, Alaska
USGS recorded magnitude 3.7 at a depth of 19 km.
Nearby, since 18 March 2026
- May 21, 2026 · score 0 · 4.1 km
- May 27, 2026 · score 0 · 5.4 km
- May 21, 2026 · score 0 · 5.4 km
How we know
One source: USGS. Not yet confirmed by a second, independent source.
Our own score for this event is 0 out of 100, at 61 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Earthquakes |
| Severity | Low |
| Calamity Score (ours) | 0 / 100 |
| Our confidence | 61% |
| Coordinates | 51.1240, -178.5200 |
| Timestamp | 2026-05-23T21:52:55.227Z |
| Source | https://earthquake.usgs.gov/earthquakes/eventpage/aka2026kdyxcf |
Score Breakdown
Technical Details
| Mag | 3.7 |
| Depth | 18.7 |
| Tsunami | false |
| Mmi | 3.19 |
| Sig | 211 |
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 8 March 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 in this area?
Calamity.live data shows a earthquake event with CalamityScore 0/100, 155 km WSW of Adak, Alaska, based on data from usgs. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.