Calamity
MediumEarthquakesCalamity Score: 17

Earthquakes in Samoa Islands Region

SamoaGFZ

Right now

The most recent data we hold from GFZ arrived 20 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 185 days ago.

It is one of only 3 we have recorded within 20 km of this point since 11 March 2026.

What the source measured

GFZ reported: Samoa Islands Region

GFZ recorded magnitude 5.1 at a depth of 10 km.

The seismic region given by the source is Samoa Islands Region.

Nearby, since 11 March 2026

How we know

Confirmed by 3 independent sources, including GFZ.

Our own score for this event is 17 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

TypeEarthquakes
SeverityMedium
Calamity Score (ours)17 / 100
Our confidence72%
Coordinates-16.3900, -172.9520
Nearest CityApia (312 km)
Impact Tierminor
Timestamp2026-03-11T14:10:48.990Z
Sourcehttps://geofon.gfz-potsdam.de/eqinfo/event.php?id=gfz2026exft

Score Breakdown

23
intensity
0
population
0
cascading
80
historical

Technical Details

Mag5.14
Depth10
MagTypemb
RegionSamoa Islands Region
Isc Mag5
Isc Depth10
Isc MagTypeM
Isc RegionSamoa Islands region
Iris Mag5
Iris Depth10
Iris MagTypemb
Iris RegionSAMOA ISLANDS REGION
MergedSources[{"id":"isc_645507989","source":"isc","severity":"medium","severityValue":40,"timestamp":1773238249000,"latitude":-16.235,"longitude":-172.849},{"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.

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