M4.5 earthquake 50 km NW of Vallenar, Chile
A magnitude 4.5 earthquake struck 50 km NW of Vallenar, Chile on Thu, Sep 29, 2016, 9:39 PM GMT-3 (00:39 UTC), 52 km (32 mi) below the surface.
A larger quake followed: M4.8 Near the coast of Atacama, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 2016-09-30 00:39:04 UTC
- Depth
- 52.1 km (32.4 mi), shallow
- Epicenter
- 28.309° S, 71.172° 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 I, not felt shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.8 km horizontally, 7.3 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
- Station coverage gap
- 92°
- 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: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.426 km NNE of Vallenar, Chile · 3633 days ago · 99 km deep · 46 km away
- 4.263 km NNW of Vallenar, Chile · 3607 days ago · 58 km deep · 31 km away
- 4.8Near the coast of Atacama, Chile · 3600 days ago · 22 km deep · 72 km away · felt by 1
- 4.283 km NNW of Vallenar, Chile · 3599 days ago · 24 km deep · 45 km away
- 4.334 km NE of Vallenar, Chile · 3596 days ago · 82 km deep · 69 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10006tzx. Read Wed, Sep 23, 2026, 12:19 AM UTC.