Calamity
LowEarthquakesCS: 21 · v5

Earthquakes 29 km WSW of Sipí, Colombia

ColombiaUSGS

Right now

The most recent data we hold from USGS arrived 25 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

5 other detections within 20 km in the last 24 hours, the nearest 10 km from here.

Reported by USGS today.

It is the strongest of the 22 detections recorded within 20 km of this point since 27 August 2026. Another comparable one was recorded here earlier the same day. 15 more were recorded here in the fortnight before it.

What the source measured

USGS reported: 29 km WSW of Sipí, Colombia

USGS recorded magnitude 5.0 at a depth of 59 km.

Urban PEI: 10,280 within a heuristic 70 km radius; not unique people.

Nearby, since 27 August 2026

How we know

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

Our own score for this event is 21 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

TypeEarthquakes
SeverityLow
Calamity Score (ours)21 / 100
Legacy data-support index0.92/1
Coordinates4.5241, -76.8772
Nearest CityPizarro (72 km)
Urban exposure index (PEI)10.3K within 70 km
Impact Tierminor
Timestamp2026-09-16T20:12:52.070Z
Sourcehttps://earthquake.usgs.gov/earthquakes/eventpage/us7000thxc

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: 2026-09-16T20:12:52.070Z.

First archived: 2026-09-16T20:31:30.605Z. Material modification: 2026-09-17T06:52:25.347Z.

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

  1. 2026-09-17T06:52:25.347Z · data_change

    Index 2821; severity lowlow; version 55.

  2. 2026-09-17T06:36:16.484Z · data_change

    Index 2828; severity lowlow; version 55.

  3. 2026-09-17T06:30:55.116Z · data_change

    Index 2828; severity lowlow; version 55.

  4. 2026-09-17T06:09:29.798Z · data_change

    Index 2128; severity lowlow; version 55.

  5. 2026-09-17T04:27:19.480Z · data_change

    Index 2821; severity lowlow; version 55.

  6. 2026-09-17T04:11:14.877Z · data_change

    Index 2128; severity lowlow; version 55.

  7. 2026-09-17T03:44:36.754Z · data_change

    Index 2821; severity lowlow; version 55.

  8. 2026-09-17T03:12:29.698Z · data_change

    Index 2128; severity lowlow; version 55.

  9. 2026-09-17T03:01:32.755Z · data_change

    Index 2821; severity lowlow; version 55.

  10. 2026-09-17T02:56:12.102Z · data_change

    Index 2128; severity lowlow; version 55.

  11. 2026-09-17T02:45:30.411Z · data_change

    Index 2821; severity lowlow; version 55.

  12. 2026-09-17T02:29:29.346Z · data_change

    Index 2128; severity lowlow; version 55.

  13. 2026-09-17T02:24:10.038Z · data_change

    Index 2821; severity lowlow; version 55.

  14. 2026-09-17T02:13:29.467Z · data_change

    Index 2128; severity lowlow; version 55.

  15. 2026-09-17T02:02:52.158Z · data_change

    Index 2821; severity lowlow; version 55.

  16. 2026-09-17T01:09:34.916Z · data_change

    Index 2128; severity lowlow; version 55.

  17. 2026-09-16T23:04:52.864Z · data_change

    Index 2821; severity lowlow; version 55.

  18. 2026-09-16T22:26:34.312Z · data_change

    Index 2128; severity lowlow; version 55.

  19. 2026-09-16T22:21:06.124Z · data_change

    Index 2821; severity lowlow; version 55.

  20. 2026-09-16T21:53:26.843Z · data_change

    Index 2128; severity lowlow; version 55.

Score Breakdown

20
intensity
40
Urban PEI term
0
Scenario weight
10
Recorded reference / batch anomaly

Technical Details

Mag5
Depth59.03
Tsunamifalse
Felt4
Sig385
Emsc Mag5
Emsc Depth50
Emsc MagTypemw
Emsc RegionCOLOMBIA
Emsc AuthEMSC
Emsc SourceId2061246
Gfz Mag4.86
Gfz Depth52.9
Gfz MagTypemb
Gfz RegionColombia
MergedSources[{"id":"emsc_20260916_0000268","source":"emsc","severity":"medium","severityValue":40,"timestamp":1789589571250,"latitude":4.5308,"longitude":-76.7813},{"id":"gfz_gfz2026sexu","source":"gfz","severity":"low","severityValue":29.160000000000004,"timestamp":1789589571750,"latitude":4.509,"longitude":-76.763}]

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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