Reported by ISC today.
It is the 4th strongest of the 13 detections recorded within 20 km of this point since 14 August 2026. Another comparable one was recorded here earlier the same day.
What the source measured
ISC reported: Flores region
ISC recorded magnitude 5.0 at a depth of 10 km.
The seismic region given by the source is Flores region.
An estimated 15,187 people live within 70 km of this point.
Nearby, since 14 August 2026
- August 27, 2026 · score 0 · 10.2 km
- August 17, 2026 · score 19 · 12.6 km
- August 31, 2026 · score 0 · 19.0 km
How we know
One source: ISC. Not yet confirmed by a second, independent source.
Our own score for this event is 21 out of 100, at 77 % 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) | 21 / 100 |
| Our confidence | 77% |
| Coordinates | -8.3300, 121.6100 |
| Nearest City | Ende (57 km) |
| Population Exposed | 15.2K within 70 km |
| Impact Tier | significant |
| Timestamp | 2026-09-03T19:00:09.600Z |
| Source | http://www.isc.ac.uk/cgi-bin/web-db-run?event_id=646359741&out_format=IMS1.0&request=COMPREHENSIVE |
Score Breakdown
Technical Details
| Mag | 5 |
| Depth | 10 |
| MagType | MB |
| Region | Flores region |
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 21/100, in Flores Region (Indonesia), based on data from isc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.