Reported by BMKG today.
It is the strongest of the 37 detections recorded within 20 km of this point since 19 August 2026. Another comparable one was recorded here earlier the same day.
What the source measured
BMKG reported: Pusat gempa berada di laut 50 km timur laut Ruteng, Manggarai · Felt: III-IV Kab.Manggarai, III Kab.Manggarai Barat, III Kab.Sikka, II-III Kab.Sumba Timur
Nearby, since 19 August 2026
- August 31, 2026 · score 20 · 0.0 km
- August 31, 2026 · score 0 · 1.1 km
- August 29, 2026 · score 2 · 1.6 km
How we know
One source: BMKG. Not yet confirmed by a second, independent source.
Our own score for this event is 20 out of 100, at 62 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Earthquake |
| Severity | medium |
| Calamity Score (ours) | 20 / 100 |
| Our confidence | 62% |
| Coordinates | -8.1700, 120.5800 |
| Nearest City | Ruteng (51 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-31T08:03:29.000Z |
| Source | https://www.bmkg.go.id/tews.html |
Score Breakdown
Technical Details
| Mag | 5.5 |
| Depth | 10 |
| Region | Pusat gempa berada di laut 50 km timur laut Ruteng, Manggarai |
| TsunamiPotential | false |
| Felt | III-IV Kab.Manggarai, III Kab.Manggarai Barat, III Kab.Sikka, II-III Kab.Sumba Timur |
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.
Calamity.live data shows a earthquake event with CalamityScore 20/100, in Indonesia (Indonesia), based on data from bmkg. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.