Mexico earthquakes

M3.8 earthquake 38km ENE of Ensenada, B.C., MX

A magnitude 3.8 earthquake struck 38km ENE of Ensenada, B.C., MX on Sun, Dec 9, 1984, 10:56 AM PST (18:56 UTC), 5 km (3 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
3.8 (ML, local (Richter)), minor
Magnitude from
Southern California Seismic Network
Local time
UTC
1984-12-09 18:56:25 UTC
Depth
5.5 km (3.4 mi), shallow
Epicenter
32.022° N, 116.253° W
Region
Mexico
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
3.81ML, local (Richter)Southern California Seismic NetworkPreferred · Final · 7 stations
3.9ML, local (Richter)USGS National Earthquake Information CenterReviewed

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Depth from
Operator assigned
Station coverage gap
183°, poorly surrounded by stations
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 105 in the 60 days after this one and 44 in the 30 days before it.

After

The first 60 of 105.

Before

Earthquakes todayMexico earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci56537 (also filed as usp00029wn). Read Thu, Oct 1, 2026, 7:53 PM UTC.