M4.5 earthquake 43 km NW of Talca, Chile
A magnitude 4.5 earthquake struck 43 km NW of Talca, Chile on Tue, Aug 8, 2017, 9:46 PM GMT-4 (01:46 UTC), 46 km (28 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mwr), light
- Local time
- UTC
- 2017-08-09 01:46:36 UTC
- Depth
- 45.6 km (28.3 mi), shallow
- Epicenter
- 35.113° S, 71.942° W
- Region
- Chile
- Felt reports
- 20
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
20 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Moment magnitude
- 4.5 Mwr
- Nodal plane 1
- Strike 10°, dip 22°, rake 97°
- Nodal plane 2
- Strike 182°, dip 68°, rake 87°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.9 km horizontally, 5.8 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 71°
- Stations used
- 127
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 1 in the 30 days before it.
After
- 4.176 km WNW of Santa Cruz, Chile · 3336 days ago · 24 km deep · 94 km away
- 4.211 km SE of San Javier, Chile · 3301 days ago · 89 km deep · 68 km away · felt by 2
- 4.336 km NW of Talca, Chile · 3294 days ago · 48 km deep · 7 km away · felt by 7
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000a66s. Read Wed, Sep 30, 2026, 11:43 PM UTC.