M4.5 earthquake 39 km SSE of San Juan, Peru
A magnitude 4.5 earthquake struck 39 km SSE of San Juan, Peru on Mon, Jan 15, 1973, 1:27 AM GMT-5 (06:27 UTC), 43 km (27 mi) below the surface.
A larger quake followed: M4.6 20 km WNW of Tocota, Peru. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1973-01-15 06:27:31 UTC
- Depth
- 43.0 km (26.7 mi), shallow
- Epicenter
- 15.713° S, 75.082° 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.
- Stations used
- 20
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayPeru earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000057. Read Tue, Sep 22, 2026, 10:34 PM UTC.