M5.4 earthquake 32 km NNW of Valparaíso, Chile
A magnitude 5.4 earthquake struck 32 km NNW of Valparaíso, Chile on Sat, Jul 10, 1971, 9:04 AM GMT-4 (13:04 UTC), 37 km (23 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
- 5.4 (mw), moderate
- Local time
- UTC
- 1971-07-10 13:04:42 UTC
- Depth
- 36.8 km (22.9 mi), shallow
- Epicenter
- 32.748° S, 71.705° 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 2.4 and up: 6 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.034 km N of Valparaíso, Chile · 20170 days ago · 30 km deep · 3 km away
- 6.449 km WNW of La Ligua, Chile · 20169 days ago · 40 km deep · 50 km away
- 5.532 km WSW of Valparaíso, Chile · 20169 days ago · 39 km deep · 47 km away
- 5.469 km WNW of La Ligua, Chile · 20169 days ago · 26 km deep · 63 km away
- 5.130 km WNW of Valparaíso, Chile · 20169 days ago · 15 km deep · 27 km away
- 5.638 km WSW of La Ligua, Chile · 20149 days ago · 40 km deep · 24 km away
Before
- 5.239 km SW of Illapel, Chile · 20171 days ago · 50 km deep · 96 km away
- 5.539 km WNW of La Ligua, Chile · 20171 days ago · 30 km deep · 47 km away
- 5.964 km W of La Ligua, Chile · 20171 days ago · 24 km deep · 47 km away
- 7.819 km NNE of Hacienda La Calera, Chile · 20172 days ago · 61 km deep · 52 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem782069. Read Tue, Sep 29, 2026, 2:35 PM UTC.