4.0

Earthquake Details: 33 km S of Champerico, Guatemala

8/18/2026, 5:42:25 AM

A magnitude 4.0 earthquake occurred near 33 km S of Champerico, Guatemala on 8/18/2026 at 5:42:25 AM. The seismic event was recorded at a depth of 35.14 km. No tsunami warning was issued.

No Tsunami WarningStatus: reviewedType: earthquake

Regional Seismicity

View recent seismic activity near this event:

GuatemalaRetalhuleuRetalhuleu (Nearest City)

Technical Details

Depth35.14 km
Significance246
Latitude13.9935
Longitude-91.9270
Event IDus6000tlkq
Magnitude4.0
Updated:8/18/2026, 3:00:47 PM

External Resources

View on USGS Official Site

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Time & depth

Local time
8/17/2026, 11:42:25 PM CST
UTC
8/18/2026, 5:42:25 AM UTC
35.14 km · Shallow-focus

Less than 70 km deep. Shaking is often stronger near the epicentre.

Nearby major cities

Retalhuleu
66 km NE
San Sebastián
70 km NE
Nuevo San Carlos
71 km N
Mazatenango
76 km NE
Nearby event sequence · 12
M4.3Offshore Chiapas, MexicoBeforeM4.483 km SSW of Puerto San José, GuatemalaBeforeM5.267 km WSW of Puerto Madero, MexicoBeforeM4.4off the coast of Chiapas, MexicoBeforeM4.3off the coast of Chiapas, MexicoBeforeM4.4off the coast of Chiapas, MexicoBeforeM4.3off the coast of Chiapas, MexicoBeforeM4.2off the coast of Chiapas, MexicoBeforeM4.2off the coast of Chiapas, MexicoBeforeM5.795 km SW of Puerto Madero, MexicoBeforeM4.2Offshore Chiapas, MexicoAfterM4.4off the coast of Chiapas, MexicoAfter

Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Aug 18, 2026, 03:00 PM UTC.

Data sources: