Reported by ISC today.
It is the 2nd strongest of the 6 detections recorded within 20 km of this point since 26 March 2026. The last comparable one was on 26 March 2026.
What the source measured
ISC reported: Irian Jaya
ISC recorded magnitude 5.5 at a depth of 10 km.
The seismic region given by the source is Irian Jaya.
Nearby, since 26 March 2026
- September 1, 2026 · score 20 · 0.0 km
- September 2, 2026 · score 21 · 11.0 km
- March 26, 2026 · score 19 · 15.0 km
How we know
One source: ISC. Not yet confirmed by a second, independent source.
Our own score for this event is 20 out of 100, at 57 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Earthquakes |
| Severity | Medium |
| Calamity Score (ours) | 20 / 100 |
| Our confidence | 57% |
| Coordinates | -3.2090, 139.2480 |
| Nearest City | Wamena (104 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-01T22:04:49.450Z |
| Source | http://www.isc.ac.uk/cgi-bin/web-db-run?event_id=646288094&out_format=IMS1.0&request=COMPREHENSIVE |
Score Breakdown
Technical Details
| Mag | 5.46 |
| Depth | 10 |
| MagType | mb |
| Region | Irian Jaya |
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?
Calamity.live data shows a earthquake event with CalamityScore 20/100, in Irian Jaya (Indonesia), based on data from isc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.