M4.1 earthquake 76 km WNW of Santa Cruz, Chile
A magnitude 4.1 earthquake struck 76 km WNW of Santa Cruz, Chile on Sat, Aug 12, 2017, 4:08 PM GMT-4 (20:08 UTC), 24 km (15 mi) below the surface.
A larger quake followed: M4.9 16 km S of San Antonio, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb), light
- Local time
- UTC
- 2017-08-12 20:08:39 UTC
- Depth
- 24.5 km (15.2 mi), shallow
- Epicenter
- 34.276° S, 72.069° 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.
- Location uncertainty
- About 3.4 km horizontally, 8.0 km in depth
- Magnitude uncertainty
- ±0.37
- Depth from
- From location
- Station coverage gap
- 94°
- Stations used
- 40
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.1118 km NNW of Constitución, Chile · 3304 days ago · 13 km deep · 58 km away
- 4.916 km S of San Antonio, Chile · 3294 days ago · 46 km deep · 74 km away · felt by 195
- 4.336 km NW of Talca, Chile · 3294 days ago · 48 km deep · 99 km away · felt by 7
- 4.331 km NW of Santa Cruz, Chile · 3279 days ago · 48 km deep · 47 km away · felt by 1
Before
- 4.543 km NW of Talca, Chile · 3340 days ago · 46 km deep · 94 km away · felt by 20
- 4.131 km SSW of Melipilla, Chile · 3363 days ago · 51 km deep · 76 km away · felt by 9
- 5.485 km W of San Antonio, Chile · 3365 days ago · 10 km deep · 74 km away · felt by 17
- 4.695 km W of San Antonio, Chile · 3365 days ago · 12 km deep · 81 km away · felt by 4
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000a7n3. Read Wed, Sep 30, 2026, 6:46 PM UTC.