M4.3 earthquake 76 km SSE of Arica, Chile
A magnitude 4.3 earthquake struck 76 km SSE of Arica, Chile on Sat, Jul 21, 1973, 11:39 AM GMT-4 (15:39 UTC), 75 km (47 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb), light
- Local time
- UTC
- 1973-07-21 15:39:05 UTC
- Depth
- 75.0 km (46.6 mi), intermediate-depth
- Epicenter
- 19.151° S, 70.150° W
- Region
- Chile
- 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
- 11
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 2 in the 30 days before it.
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00002sz. Read Thu, Oct 1, 2026, 2:18 AM UTC.