M4.7 earthquake 128 km WSW of Puerto Casma, Peru
A magnitude 4.7 earthquake struck 128 km WSW of Puerto Casma, Peru on Mon, Dec 3, 1973, 12:08 AM GMT-5 (05:08 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1973-12-03 05:08:07 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 9.854° S, 79.486° W
- Region
- Peru
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
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
- Stations used
- 10
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 0 in the 60 days after this one and 1 in the 30 days before it.
Before
Earthquakes todayPeru earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00004dq. Read Tue, Sep 22, 2026, 12:15 PM UTC.