Calamity
lowEarthquakeCalamity Score: 4

Earthquake near Tonga

TongaUSGS

Reported by USGS 2 days ago.

It is the 6th strongest of the 7 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 17 July 2026.

What the source measured

USGS reported: Fiji region

Nearby, since 17 March 2026

How we know

Confirmed by 2 independent sources, including USGS.

Our own score for this event is 4 out of 100, at 64 % confidence.

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

Event Data

TypeEarthquake
Severitylow
Calamity Score (ours)4 / 100
Our confidence64%
Coordinates-21.1233, -178.6454
Timestamp2026-08-28T10:38:33.879Z
Sourcehttps://earthquake.usgs.gov/earthquakes/eventpage/us7000tciy

Score Breakdown

8
intensity
0
population
0
cascading
4
historical

Technical Details

Mag4.4
Depth535.42
Tsunamifalse
Sig298
Emsc Mag4.4
Emsc Depth-535.4
Emsc MagTypemb
Emsc RegionFIJI REGION
Emsc AuthNEIC
Emsc SourceId2052371
MergedSources[{"id":"emsc_20260828_0000127","source":"emsc","severity":"low","severityValue":26.400000000000002,"timestamp":1787913513879,"latitude":-21.1233,"longitude":-178.6454}]

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 4/100 (Tonga), based on data from usgs. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.