Earthquakes 173 km E of Atka, Alaska
Right now
The most recent data we hold from USGS arrived 40 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
Reported by USGS 111 days ago.
It is the strongest of the 9 detections recorded within 20 km of this point since 18 May 2026.
What the source measured
USGS reported: 173 km E of Atka, Alaska
USGS recorded magnitude 5.2 at a depth of 20 km.
Nearby, since 18 May 2026
- June 4, 2026 · score 0 · 1.9 km
- May 22, 2026 · score 0 · 7.5 km
- May 18, 2026 · score 0 · 8.2 km
How we know
One source: USGS. Not yet confirmed by a second, independent source.
Our own score for this event is 18 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 | Medium |
| Calamity Score (ours) | 18 / 100 |
| Our confidence | 61% |
| Coordinates | 52.3090, -171.6680 |
| Nearest City | Anadyr (1513 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-18T21:37:22.558Z |
| Source | https://earthquake.usgs.gov/earthquakes/eventpage/aka2026jushic |
Score Breakdown
Technical Details
| Mag | 5.2 |
| Depth | 20 |
| Tsunami | false |
| Mmi | 3.88 |
| Sig | 416 |
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 18/100, 173 km E of Atka, Alaska, based on data from usgs. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.