M5.2 earthquake 39 km SW of Illapel, Chile
A magnitude 5.2 earthquake struck 39 km SW of Illapel, Chile on Fri, Jul 9, 1971, 5:17 PM GMT-4 (21:17 UTC), 50 km (31 mi) below the surface.
A larger quake followed: M6.4 49 km WNW 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
- 5.2 (mw), moderate
- Local time
- UTC
- 1971-07-09 21:17:56 UTC
- Depth
- 50.1 km (31.1 mi), shallow
- Epicenter
- 31.912° S, 71.438° 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.
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.2 and up: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 5.432 km NNW of Valparaíso, Chile · 20167 days ago · 37 km deep · 96 km away
- 5.034 km N of Valparaíso, Chile · 20167 days ago · 30 km deep · 94 km away
- 6.449 km WNW of La Ligua, Chile · 20167 days ago · 40 km deep · 51 km away
- 5.469 km WNW of La Ligua, Chile · 20166 days ago · 26 km deep · 55 km away
- 5.638 km WSW of La Ligua, Chile · 20146 days ago · 40 km deep · 72 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem782045. Read Sat, Sep 26, 2026, 9:47 PM UTC.