LowEarthquakeCS: 16 · v5

M 4.9 earthquake in Timor Region, Indonesia

IndonesiaEMSC

Right now

The most recent data we hold from EMSC arrived 10 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

One other detection within 20 km in the last 24 hours, 19 km from here.

Reported by EMSC today.

It is one of only 2 we have recorded within 20 km of this point since 26 July 2026. The last comparable one was on 26 July 2026.

What the source measured

EMSC reported: TIMOR REGION, INDONESIA

EMSC recorded magnitude 4.9 at a depth of 10 km.

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

Urban PEI: 9,471 within a heuristic 30 km radius; not unique people.

How we know

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

Our own score for this event is 16 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 v5. Rows carrying other versions were judged by different rules and are not directly comparable.

Event Data

TypeEarthquake
SeverityLow
Calamity Score (ours)16 / 100
Legacy data-support index0.84/1
Coordinates-9.8660, 123.5800
Nearest CityKupang (34 km)
Urban exposure index (PEI)9.5K within 30 km
Impact Tierminor
Timestamp2026-09-30T10:58:49.920Z
Sourcehttps://www.seismicportal.eu/eventdetail.html?unid=20260930_0000118

Physical priority index · v5. 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: 2026-09-30T10:58:49.920Z.

First archived: 2026-09-30T11:18:28.243Z. 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

18
intensity
25
Urban PEI term
0
Scenario weight
9
Recorded reference / batch anomaly

Technical Details

Mag4.9
Depth10
MagTypemb
RegionTIMOR REGION, INDONESIA
AuthGFZ
SourceId2067497
Gfz Mag4.94
Gfz Depth10
Gfz MagTypemb
Gfz RegionTimor Region
MergedSources[{"id":"gfz_gfz2026tduo","source":"gfz","severity":"low","severityValue":29.64,"timestamp":1790765929920,"latitude":-9.866,"longitude":123.58}]

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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