M4.6 earthquake 27 km NNE of La Ligua, Chile
A magnitude 4.6 earthquake struck 27 km NNE of La Ligua, Chile on Sun, Aug 26, 1973, 4:54 PM GMT-4 (20:54 UTC), 72 km (45 mi) below the surface.
A larger quake followed: M6.7 24 km WSW of La Ligua, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1973-08-26 20:54:34 UTC
- Depth
- 72.0 km (44.7 mi), intermediate-depth
- Epicenter
- 32.220° S, 71.117° 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
- 6
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 13 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.2Near the coast of Valparaiso, Chile · 19391 days ago · 89 km deep · 46 km away
- 4.7Near the coast of Valparaiso, Chile · 19383 days ago · 41 km deep · 57 km away
- 5.01 km NW of Illapel, Chile · 19370 days ago · 39 km deep · 67 km away
- 4.643 km W of La Ligua, Chile · 19364 days ago · 42 km deep · 63 km away
- 6.724 km WSW of La Ligua, Chile · 19357 days ago · 33 km deep · 47 km away
- 4.329 km NNW of Valparaíso, Chile · 19357 days ago · 33 km deep · 90 km away
- 4.543 km NNW of Valparaíso, Chile · 19357 days ago · 33 km deep · 87 km away
- 5.049 km W of Illapel, Chile · 19356 days ago · 46 km deep · 80 km away
- 4.455 km W of Illapel, Chile · 19356 days ago · 33 km deep · 80 km away
- 3.952 km W of Illapel, Chile · 19356 days ago · 50 km deep · 79 km away
- 4.151 km WNW of Illapel, Chile · 19356 days ago · 33 km deep · 97 km away
- 5.258 km W of Illapel, Chile · 19353 days ago · 39 km deep · 89 km away
- 4.580 km WSW of Illapel, Chile · 19350 days ago · 69 km deep · 80 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000037r. Read Sun, Oct 4, 2026, 3:33 PM UTC.