M4.3 earthquake 31 km NW of Santa Cruz, Chile
A magnitude 4.3 earthquake struck 31 km NW of Santa Cruz, Chile on Sun, Oct 8, 2017, 8:10 PM GMT-3 (23:10 UTC), 48 km (30 mi) below the surface.
A larger quake followed: M4.5 84 km WSW 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
- 4.3 (mb), light
- Local time
- UTC
- 2017-10-08 23:10:19 UTC
- Depth
- 48.2 km (29.9 mi), shallow
- Epicenter
- 34.426° S, 71.593° W
- Region
- Chile
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 2.1 km horizontally, 7.0 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 64°
- Stations used
- 59
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.287 km WSW of San Antonio, Chile · 3263 days ago · 14 km deep · 99 km away
- 4.584 km WSW of San Antonio, Chile · 3263 days ago · 14 km deep · 97 km away · felt by 30
- 4.226 km E of Chimbarongo, Chile · 3249 days ago · 101 km deep · 82 km away · felt by 2
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000b2w8. Read Tue, Sep 29, 2026, 12:47 AM UTC.