Calamity
MediumEarthquakesCS: 29 · v4 (historical)

Earthquakes in Flores Region, Indonesia

IndonesiaEMSC

Right now

The most recent data we hold from EMSC arrived 73 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 EMSC yesterday.

It is the 2nd strongest of the 64 detections recorded within 20 km of this point since 27 August 2026. Another comparable one was recorded here earlier the same day. 41 more were recorded here in the fortnight before it.

What the source measured

EMSC reported: FLORES REGION, INDONESIA

EMSC recorded magnitude 5.1 at a depth of 35 km.

The seismic region given by the source is FLORES REGION, INDONESIA.

Urban PEI: 14,734 within a heuristic 70 km radius; not unique people.

Nearby, since 27 August 2026

How we know

One source: EMSC. Not yet confirmed by a second, independent source.

Our own score for this event is 29 out of 100.

This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.

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)29 / 100
Legacy data-support index0.85/1
Coordinates-8.1136, 120.4065
Nearest CityRuteng (56 km)
Urban exposure index (PEI)14.7K within 70 km
Impact Tiersignificant
Timestamp2026-09-13T22:40:06.690Z
Sourcehttps://www.seismicportal.eu/eventdetail.html?unid=20260913_0000287

Physical priority index · v4 (historical). Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.

Source and revision timeline

Source: emsc. Occurrence: 2026-09-13T22:40:06.690Z.

First archived: 2026-09-13T22:53:19.345Z. Material modification: not recorded.

Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.

Score Breakdown

22
intensity
40
Urban PEI term
0
Scenario weight
80
Recorded reference / batch anomaly

Technical Details

Mag5.1
Depth35
MagTypemb
RegionFLORES REGION, INDONESIA
AuthEMSC
SourceId2059934

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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