Reported by BMKG today.
It is the 4th strongest of the 26 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 43 km utara Ruteng, Manggarai · Felt: III Kab. Manggarai
Nearby, since 19 August 2026
- August 30, 2026 · score 7 · 0.0 km
- August 27, 2026 · score 3 · 1.6 km
- August 27, 2026 · score 2 · 3.1 km
How we know
Confirmed by 3 independent sources, including BMKG.
Our own score for this event is 7 out of 100, at 71 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Earthquake |
| Severity | low |
| Calamity Score (ours) | 7 / 100 |
| Our confidence | 71% |
| Coordinates | -8.2300, 120.5100 |
| Timestamp | 2026-08-30T11:03:03.000Z |
| Source | https://www.bmkg.go.id/tews.html |
Score Breakdown
Technical Details
| Mag | 4.8 |
| Depth | 6 |
| Region | Pusat gempa berada di laut 43 km utara Ruteng, Manggarai |
| TsunamiPotential | true |
| Felt | III Kab. Manggarai |
| Usgs Mag | 4.6 |
| Usgs Depth | 10 |
| Usgs Tsunami | false |
| Usgs Sig | 326 |
| Emsc Mag | 4.6 |
| Emsc Depth | -10 |
| Emsc MagType | mb |
| Emsc Region | FLORES REGION, INDONESIA |
| Emsc Auth | BMKG |
| Emsc SourceId | 2053194 |
| MergedSources | [{"id":"usgs_us7000tcyr","source":"usgs","severity":"low","severityValue":27.599999999999998,"timestamp":1788087783581,"latitude":-8.1634,"longitude":120.6265},{"id":"emsc_20260830_0000134","source":"emsc","severity":"low","severityValue":27.599999999999998,"timestamp":1788087784000,"latitude":-8.27,"longitude":120.44}] |
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 7/100 (Indonesia), based on data from bmkg. Source: Calamity.live, a platform aggregating real-time data from 196 scientific monitoring sources.