Mexico earthquakes

M4.4 earthquake 28km E of Maneadero, B.C., MX

A magnitude 4.4 earthquake struck 28km E of Maneadero, B.C., MX on Thu, Dec 20, 2007, 8:35 AM PST (16:35 UTC), 8 km (5 mi) below the surface.

Rodolfo Sánchez Taboada forecast More in Mexico

Map

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

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The earthquake

Magnitude: 4.4 (ML, local (Richter)), light
Magnitude from: Southern California Seismic Network
Local time: Thu, Dec 20, 2007, 8:35 AM PST
UTC: 2007-12-20 16:35:22 UTC
Depth: 7.7 km (4.8 mi), shallow
Epicenter: 31.749° N, 116.274° W
Region: Mexico
Felt reports: 37
Strongest shaking: V, moderate shaking
PAGER alert: Green
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
4.41	ML, local (Richter)	Southern California Seismic Network	Preferred · Final · ±0.126 · 297 stations
4.5	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed

What happened

The USGS’s account of the effects of this earthquake.

Felt strongly at Ensenada. Felt (III) at Campo and San Diego; (II) at El Cajon, California. Also felt at Brawley, El Centro, Escondido, Imperial Beach, Julian, La Jolla, La Mesa, Poway, San Ysidro, Temecula and Vista.

From the USGS event page for ci10296113. U.S. Geological Survey text and figures are in the public domain.

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
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

37 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Estimated impact

The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.

Alert level: Green: little or no damage or loss of life expected

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 1.1 km horizontally, 31.6 km in depth
Magnitude uncertainty: ±0.13
Depth from: Operator assigned
Station coverage gap: 295°, poorly surrounded by stations
Stations used: 18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 53 in the 60 days after this one and 24 in the 30 days before it.

After

Before

Earthquakes today Mexico earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci10296113 (also filed as usp000fuwm). Read Sun, Oct 4, 2026, 2:40 PM UTC.