Guatemala earthquakes

M6.1 earthquake 20 km SSE of Champerico, Guatemala

A magnitude 6.1 earthquake struck 20 km SSE of Champerico, Guatemala on Tue, Dec 31, 1974, 2:21 PM CST (20:21 UTC), 39 km (24 mi) below the surface.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
6.1 (Ms, surface-wave), strong
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1974-12-31 20:21:09 UTC
Depth
39.0 km (24.2 mi), shallow
Epicenter
14.126° N, 91.824° W
Region
Guatemala
Strongest shaking
V, moderate shaking
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
6.1Ms, surface-waveUSGS National Earthquake Information CenterPreferred · Reviewed
6.17Mw, momentISC-GEM global catalogFinal · ±0.2

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated
V, moderate shaking
Peak ground acceleration
9.5% of gravity
Peak ground velocity
2.0 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
74

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 3.1 and up: 10 in the 60 days after this one and 2 in the 30 days before it.

After

Before

Earthquakes todayGuatemala earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00009b0 (also filed as atlas19741231202109, iscgem734957). Read Thu, Oct 1, 2026, 11:34 AM UTC.