LowEarthquakeCS: 7 · v5

M 4.8 earthquake 155 km NNW of Kilmia, Yemen

SomaliaUSGS

Right now

The most recent data we hold from USGS arrived 25 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 26 September 2026. The last comparable one was on 26 September 2026. 2 more were recorded here in the fortnight before it.

What the source measured

USGS reported: 155 km NNW of Kilmia, Yemen

USGS recorded magnitude 4.8 at a depth of 10 km.

Nearby, since 26 September 2026

How we know

3 recorded sources include USGS; independence is not established by this count.

Our own score for this event is 7 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)7 / 100
Legacy data-support index0.71/1
Coordinates13.3879, 51.4935
Nearest CityEl Dibir (182 km)
Urban exposure index (PEI)0 within 30 km
Impact Tierminor
Timestamp2026-09-28T17:37:55.108Z
Sourcehttps://earthquake.usgs.gov/earthquakes/eventpage/us6000ty71

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: 2026-09-28T17:37:55.108Z.

First archived: 2026-09-28T17:55:15.059Z. Material modification: not recorded.

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

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

Score Breakdown

16
intensity
0
Urban PEI term
0
Scenario weight
8
Recorded reference / batch anomaly

Technical Details

Mag4.8
Depth10
Tsunamifalse
Sig354
Emsc Mag4.8
Emsc Depth10
Emsc MagTypemb
Emsc RegionGULF OF ADEN
Emsc AuthGFZ
Emsc SourceId2066708
Gfz Mag4.84
Gfz Depth10
Gfz MagTypemb
Gfz RegionEastern Gulf of Aden
Isc Mag4.8
Isc Depth10
Isc MagTypeM
Isc RegionEastern Gulf of Aden
Usgs Africa Mag4.8
Usgs Africa Depth10

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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