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Seismic Event Dossier04:36 Local (10:36 UTC)(just now)
19.80°N, 103.93°W
USGS•#iscgem906183reviewed

Earthquake near Jalisco, Mexico

A magnitude 8.1 (MW) earthquake occurred on 1932-06-03, 04:36 local time (10:36 UTC) (just now), centered 50 km W of Ciudad Guzman (Mexico). The hypocenter was located at a intermediate depth of 35 km. Primary telemetry verified by USGS.

Historical Landmark Earthquake

#44 of All Time

Curated Global Seismic Archive (1700–Present)

Top-100 Earthquakes
Magnitude 8.1 historical earthquake occurring on 1932-06-03 in Mexico. Associated with the Techaluta (Active Fault). Documented casualties: > 1,000.
Documented Fatalities> 1,000
Fault KinematicsActive Fault
Equivalent Energy21.30 Mt TNT

Magnitude

MW
M 8.1

21.30 Mt TNT

Depth

35 km
35 km

intermediate (35–70 km (Intermediate))

PAGER Impact

red
> 1,000 fatalities

Injuries: > 5,000 · ~55.7M felt

Interactive Epicenter & Fault Map

Fault5 km
Techaluta
Active Fault · ~~15.0 mm/yr
Felt byMMI V+
~55.7M exposed
~16.4M in strong shaking
Primary SolutionUSGS
USGS#iscgem906183reviewed
1 agencies reporting
Geological Setting19.8°N
Mexico
Continental / Inland crustal

Seismic Activity & Aftershock Sequence

Timeline of foreshocks, main rupture, aftershocks and machine learning risk probability evolution.

M0.0M4.5M9.0100%50%0%MainshockJun 4Jun 9Jun 14Jun 19Jun 24M8.1
Hover or tap a point to inspect aftershocks and risk probability curve.
<35 km (Shallow)35–70 km (Intermediate)>70 km (Deep)Mainshock
ML Risk Forecast:12h37%24h49%72h64%7d80%

Where it was felt

6 settlements

Shaking intensity is modelled from magnitude, depth and distance (GMPE attenuation), not reported by residents.

TownDistanceIntensity
Autlan · Jalisco46 kmMMI IX
Ciudad Guzman · Jalisco50 kmMMI IX
Colima · Colima67 kmMMI IX
Manzanillo · Colima93 kmMMI VIII
Tecoman · Colima97 kmMMI VIII
Guadalajara · Jalisco116 kmMMI VIII

Readings by agency

1 sources

Independent solutions for the same rupture. Differences of 0.1–0.3 in magnitude are normal and reflect method and station coverage.

AgencyMagnitudeDepth
USGS
Primary
M 8.135 km

Tectonic setting

Nearest mapped active fault: Techaluta, 5 km away, slip rate ~15.0 mm/yr (GEM Global Active Faults).