Right now
The most recent data we hold from ISC arrived 10 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 ISC 185 days ago.
It is one of only 2 we have recorded within 20 km of this point since 11 March 2026. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
ISC reported: Samoa Islands region
ISC recorded magnitude 5.0 at a depth of 10 km.
The seismic region given by the source is Samoa Islands region.
Nearby, since 11 March 2026
- March 11, 2026 · score 17 · 20.4 km
How we know
Confirmed by 2 independent sources, including ISC.
Our own score for this event is 16 out of 100, at 63 % 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) | 16 / 100 |
| Our confidence | 63% |
| Coordinates | -16.2350, -172.8490 |
| Nearest City | Apia (291 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-11T14:10:49.000Z |
| Source | http://www.isc.ac.uk/cgi-bin/web-db-run?event_id=645507989&out_format=IMS1.0&request=COMPREHENSIVE |
Score Breakdown
Technical Details
| Mag | 5 |
| Depth | 10 |
| MagType | M |
| Region | Samoa Islands region |
| Iris Mag | 5 |
| Iris Depth | 10 |
| Iris MagType | mb |
| Iris Region | SAMOA ISLANDS REGION |
| MergedSources | [{"id":"iris_12081162","source":"iris","severity":"medium","severityValue":40,"timestamp":1773238249000,"latitude":-16.2355,"longitude":-172.8486}] |
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?