Earthquakes in Rat Islands, Aleutian Islands
Right now
Nothing else has been detected within 20 km in the last 24 hours.
Reported by IRIS 173 days ago.
It is the 10th strongest of the 83 detections recorded within 20 km of this point since 8 March 2026. Another comparable one was recorded here earlier the same day. 27 more were recorded here in the fortnight before it.
What the source measured
IRIS reported: RAT ISLANDS, ALEUTIAN ISLANDS
IRIS recorded magnitude 4.9 at a depth of 7 km.
The seismic region given by the source is RAT ISLANDS, ALEUTIAN ISLANDS.
Nearby, since 8 March 2026
- March 18, 2026 · score 8 · 0.0 km
- August 9, 2026 · score 0 · 3.4 km
- August 4, 2026 · score 0 · 3.6 km
How we know
One source: IRIS. Not yet confirmed by a second, independent source.
Our own score for this event is 15 out of 100, at 58 % 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) | 15 / 100 |
| Our confidence | 58% |
| Coordinates | 52.1361, 176.4408 |
| Timestamp | 2026-03-18T03:36:32.000Z |
| Source | https://ds.iris.edu/ds/nodes/dmc/tools/event/12083733 |
Score Breakdown
Technical Details
| Mag | 4.9 |
| Depth | 6.78 |
| MagType | mww |
| Region | RAT ISLANDS, ALEUTIAN ISLANDS |
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 15/100, in Rat Islands, Aleutian Islands, based on data from iris. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.