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.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
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. | Scale | Computed by | Notes |
|---|---|---|---|
| 6.1 | Ms, surface-wave | USGS National Earthquake Information Center | Preferred · Reviewed |
| 6.17 | Mw, moment | ISC-GEM global catalog | Final · ±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

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
- 4.911 km SSW of Champerico, Guatemala · 18902 days ago · 75 km deep · 15 km away
- 4.3100 km SSW of Nueva Concepción, Guatemala · 18901 days ago · 33 km deep · 87 km away
- 5.018 km S of Champerico, Guatemala · 18901 days ago · 80 km deep · 6 km away
- 4.411 km SE of Champerico, Guatemala · 18901 days ago · 108 km deep · 11 km away
- 4.635 km SSW of Champerico, Guatemala · 18893 days ago · 59 km deep · 26 km away
- 4.4117 km S of Champerico, Guatemala · 18893 days ago · 33 km deep · 100 km away
- 4.61 km ESE of San Bernardino, Guatemala · 18891 days ago · 104 km deep · 61 km away
- 4.416 km SSE of Ocós, Guatemala · 18881 days ago · 106 km deep · 43 km away
- 4.65 km SW of Pochuta, Guatemala · 18851 days ago · 143 km deep · 87 km away
- 4.60 km SSE of Nuevo Progreso, Guatemala · 18847 days ago · 33 km deep · 74 km away
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.