Earthquakes 235 km ESE of Attu Station, Alaska — Light shaking (MMI 4.4)
Right now
Nothing else has been detected within 20 km in the last 24 hours.
Reported by USGS 129 days ago.
It is the 2nd strongest of the 41 detections recorded within 20 km of this point since 8 March 2026. The last comparable one was on 24 March 2026.
What the source measured
USGS reported: 235 km ESE of Attu Station, Alaska — Light shaking (MMI 4.4)
USGS recorded magnitude 5.8 at a depth of 10 km.
Nearby, since 8 March 2026
- March 18, 2026 · score 16 · 3.3 km
- March 18, 2026 · score 16 · 3.3 km
- March 14, 2026 · score 2 · 3.6 km
How we know
One source: USGS. Not yet confirmed by a second, independent source.
Our own score for this event is 20 out of 100, at 60 % 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) | 20 / 100 |
| Our confidence | 60% |
| Coordinates | 52.2595, 176.5180 |
| Nearest City | Petropavlovsk-Kamchatsky (1207 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-06T14:15:32.254Z |
| Source | https://earthquake.usgs.gov/earthquakes/eventpage/us6000svnr/shakemap |
Score Breakdown
Technical Details
| Mag | 5.8 |
| Depth | 10 |
| Mmi | 4.4 |
| MmiDescription | Light |
| Alert | green |
| Sig | 518 |
| Tsunami | false |
| Place | 235 km ESE of Attu Station, Alaska |
| Types | ,losspager,moment-tensor,origin,phase-data,shakemap, |
Cascade Risks
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.
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