Calamity
MediumEarthquakesCS: 18 · v5

Earthquakes in Off the Coast of Michoacan, Mexico

MexicoSSN MEXICO

Right now

The most recent data we hold from SSN MEXICO arrived 11 hours ago, and this point is in it.

3 other detections within 20 km in the last 24 hours, the nearest <1 km from here.

Reported by SSN MEXICO today.

It is one of only 4 we have recorded within 20 km of this point since 14 September 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.

What the source measured

SSN MEXICO reported: off the coast of Michoacan, Mexico

SSN MEXICO recorded magnitude 5.3 at a depth of 10 km.

The seismic region given by the source is off the coast of Michoacan, Mexico.

How we know

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

Our own score for this event is 18 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
SeverityMedium
Calamity Score (ours)18 / 100
Legacy data-support index0.72/1
Coordinates15.0879, -104.4352
Nearest CityCiudad Lázaro Cárdenas (398 km)
Urban exposure index (PEI)0 within 70 km
Impact Tierminor
Timestamp2026-09-14T20:38:59.760Z
Sourcehttps://earthquake.usgs.gov/earthquakes/eventpage/us7000thgs

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: ssn_mexico. Occurrence: 2026-09-14T20:38:59.760Z.

First archived: 2026-09-14T21:06:03.213Z. Material modification: 2026-09-15T06:13:02.066Z.

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

  1. 2026-09-15T06:45:23.418Z · data_change

    Index 1818; severity mediummedium; version 55.

  2. 2026-09-15T06:13:02.066Z · data_change

    Index 1818; severity mediummedium; version 55.

  3. 2026-09-14T23:03:54.420Z · data_change

    Index 1218; severity mediummedium; version 55.

Score Breakdown

26
intensity
0
Urban PEI term
0
Scenario weight
80
Recorded reference / batch anomaly

Technical Details

Mag5.3
Depth10
Sig432
Tsunamifalse
Regionoff the coast of Michoacan, Mexico
Usgs Mag5.3
Usgs Depth10
Usgs Tsunamifalse
Usgs Sig432
Emsc Mag5.3
Emsc Depth10
Emsc MagTypemw
Emsc RegionOFF COAST OF MICHOACAN, MEXICO
Emsc AuthEMSC
Emsc SourceId2060366
Gfz Mag5.21
Gfz Depth10
Gfz MagTypemb
Gfz RegionOff Coast of Michoacan, Mexico
MergedSources[{"id":"usgs_us7000thgs","source":"usgs","severity":"medium","severityValue":42.4,"timestamp":1789418339760,"latitude":15.0879,"longitude":-104.4352},{"id":"emsc_20260914_0000259","source":"emsc","severity":"medium","severityValue":42.4,"timestamp":1789418340130,"latitude":15.1377,"longitude":-104.4597},{"id":"gfz_gfz2026sbhr","source":"gfz","severity":"medium","severityValue":41.68,"timestamp":1789418340770,"latitude":15.14,"longitude":-104.421}]

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.

Follow this area

Review the area, threshold and delivery channel in your account.

Want to know when something happens in this area?

Share:XLinkedIn