Right now

The most recent data we hold from USGS arrived 5 minutes ago, and this point is in it.

Nothing else has been detected within 20 km in the last 24 hours.

Reported by USGS today.

It is one of only 3 we have recorded within 20 km of this point since 30 September 2026. The last comparable one was on 30 September 2026. 2 more were recorded here in the fortnight before it.

What the source measured

USGS reported: 80 km S of Banda Aceh, Indonesia

USGS recorded magnitude 5.6 at a depth of 70 km.

Urban PEI: 4,879 within a heuristic 70 km radius; not unique people.

How we know

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

Our own score for this event is 28 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

Type	Earthquake
Severity	Medium
Calamity Score (ours)	28 / 100
Legacy data-support index	0.82/1
Coordinates	4.8223, 95.2428
Nearest City	Banda Aceh (80 km)
Urban exposure index (PEI)	4.9K within 70 km
Impact Tier	minor
Timestamp	2026-10-03T23:37:35.621Z
Source	https://earthquake.usgs.gov/earthquakes/eventpage/us6000tzfg

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: usgs. Occurrence: 2026-10-03T23:37:35.621Z.

First archived: 2026-10-03T23:45:48.305Z. Material modification: 2026-10-04T00:59:51.954Z.

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

2026-10-04T00:59:51.954Z · data_change
Index 23 → 28.

3 retained revisions changed source fields this page does not show; the index, severity and version stayed the same.

Technical Details

Mag	5.6
Depth	69.73
Tsunami	false
Mmi	4.24
Alert	green
Sig	482
UsgsIds	["us6000tzfg"]
Emsc Mag	5.6
Emsc Depth	69.7
Emsc MagType	mb
Emsc Region	NORTHERN SUMATRA, INDONESIA
Emsc Auth	NEIC
Emsc SourceId	2069141
MergedSources	[{"id":"emsc_20261003_0000282","source":"emsc","severity":"medium","severityValue":44.8,"timestamp":1791070655621,"latitude":4.8223,"longitude":95.2428}]

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.

M 5.6 earthquake 80 km S of Banda Aceh, Indonesia