Calamity
lowEarthquakeCalamity Score: 5

Earthquake near Tonga

TongaGFZ

Reported by GFZ 166 days ago.

It is the 2nd strongest of the 6 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.

What the source measured

GFZ reported: Fiji Islands Region

Nearby, since 17 March 2026

How we know

Confirmed by 2 independent sources, including GFZ.

Our own score for this event is 5 out of 100, at 67 % confidence.

The score is ours, computed from intensity, exposed population and local history — not the source’s.

Event Data

TypeEarthquake
Severitylow
Calamity Score (ours)5 / 100
Our confidence67%
Coordinates-21.0420, -178.7720
Timestamp2026-03-17T05:15:16.520Z
Sourcehttps://geofon.gfz-potsdam.de/eqinfo/event.php?id=gfz2026fhnc

Score Breakdown

12
intensity
0
population
0
cascading
6
historical

Technical Details

Mag4.61
Depth589
MagTypemb
RegionFiji Islands Region
Isc Mag4.61
Isc Depth589
Isc MagTypemb
Isc RegionFiji Islands region
MergedSources[{"id":"isc_645515325","source":"isc","severity":"low","severityValue":27.660000000000004,"timestamp":1773724516520,"latitude":-21.042,"longitude":-178.772}]

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 10 February 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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Calamity.live data shows a earthquake event with CalamityScore 5/100 (Tonga), based on data from gfz. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.