Earthquakes in Rat Islands, Aleutian Islands
Right now
The most recent data we hold from GFZ arrived 4 hours 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 GFZ 173 days ago.
It is the 2nd strongest of the 19 detections recorded within 20 km of this point since 11 March 2026. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
GFZ reported: Rat Islands, Aleutian Islands
GFZ recorded magnitude 5.4 at a depth of 10 km.
The seismic region given by the source is Rat Islands, Aleutian Islands.
Nearby, since 11 March 2026
- March 17, 2026 · score 18 · 8.7 km
- March 17, 2026 · score 18 · 8.7 km
- September 4, 2026 · score 8 · 12.6 km
How we know
Confirmed by 3 independent sources, including GFZ.
Our own score for this event is 19 out of 100, at 72 % 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) | 19 / 100 |
| Our confidence | 72% |
| Coordinates | 52.2300, 176.7330 |
| Nearest City | Petropavlovsk-Kamchatsky (1222 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-17T15:21:41.180Z |
| Source | https://geofon.gfz-potsdam.de/eqinfo/event.php?id=gfz2026fihc |
Score Breakdown
Technical Details
| Mag | 5.38 |
| Depth | 10 |
| MagType | Mw |
| Region | Rat Islands, Aleutian Islands |
| Isc Mag | 5.3 |
| Isc Depth | 11 |
| Isc MagType | M |
| Isc Region | Rat Islands |
| Iris Mag | 5.3 |
| Iris Depth | 10 |
| Iris MagType | mww |
| Iris Region | RAT ISLANDS, ALEUTIAN ISLANDS |
| MergedSources | [{"id":"isc_645515961","source":"isc","severity":"medium","severityValue":42.4,"timestamp":1773760898000,"latitude":52.227,"longitude":176.605},{"id":"iris_12083450","source":"iris","severity":"medium","severityValue":42.4,"timestamp":1773760897000,"latitude":52.2195,"longitude":176.5306}] |
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.
Want to know when something happens in this area?
Calamity.live data shows a earthquake event with CalamityScore 19/100, in Rat Islands, Aleutian Islands, based on data from gfz. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.