Calamity
MediumEarthquakesCalamity Score: 18

Earthquakes 77 km SSW of Sibolga, Indonesia

IndonesiaUSGS

Right now

The most recent data we hold from USGS arrived 26 minutes 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 USGS today.

It is the only one we have recorded within 20 km of this point since 5 September 2026.

What the source measured

USGS reported: 77 km SSW of Sibolga, Indonesia

USGS recorded magnitude 5.2 at a depth of 92 km.

An estimated 6,111 people live within 70 km of this point.

How we know

Confirmed by 2 independent sources, including USGS.

Our own score for this event is 18 out of 100, at 86 % 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

TypeEarthquakes
SeverityMedium
Calamity Score (ours)18 / 100
Our confidence86%
Coordinates1.0574, 98.6095
Nearest CitySibolga (78 km)
Population Exposed6.1K within 70 km
Impact Tiersignificant
Timestamp2026-09-05T14:06:07.776Z
Sourcehttps://earthquake.usgs.gov/earthquakes/eventpage/us7000tejg

Score Breakdown

24
intensity
25
population
0
cascading
12
historical

Technical Details

Mag5.2
Depth91.85
Tsunamifalse
Sig416
Emsc Mag5.2
Emsc Depth-91.9
Emsc MagTypemb
Emsc RegionNORTHERN SUMATRA, INDONESIA
Emsc AuthNEIC
Emsc SourceId2056178
MergedSources[{"id":"emsc_20260905_0000174","source":"emsc","severity":"medium","severityValue":41.6,"timestamp":1788617167776,"latitude":1.0574,"longitude":98.6095}]

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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Calamity.live data shows a earthquake event with CalamityScore 18/100, 77 km SSW of Sibolga, Indonesia (Indonesia), based on data from usgs. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.