Calamity
MediumEarthquakesCalamity Score: 19

Earthquakes in Halmahera, Indonesia

Halmahera TengahIndonesiaGFZ

Right now

The most recent data we hold from GFZ arrived 16 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 10 days ago.

It is the 6th strongest of the 6 detections recorded within 20 km of this point since 1 September 2026.

What the source measured

GFZ reported: Halmahera, Indonesia

GFZ recorded magnitude 5.4 at a depth of 10 km.

The seismic region given by the source is Halmahera, Indonesia.

Nearby, since 1 September 2026

How we know

One source: GFZ. Not yet confirmed by a second, independent source.

Our own score for this event is 19 out of 100, at 61 % confidence.

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

Computed under scoring rules v3. Rows carrying other versions were judged by different rules and are not directly comparable.

Event Data

TypeEarthquakes
SeverityMedium
Calamity Score (ours)19 / 100
Our confidence61%
Coordinates0.2900, 128.8310
Nearest CitySofifi (150 km)
Impact Tierminor
Timestamp2026-09-01T06:22:22.010Z
Sourcehttps://geofon.gfz-potsdam.de/eqinfo/event.php?id=gfz2026rcpv

Score Breakdown

28
intensity
0
population
0
cascading
80
historical

Technical Details

Mag5.4
Depth10
MagTypeMw
RegionHalmahera, Indonesia

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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