M4.2 earthquake 61 km WNW of Vallenar, Chile
A magnitude 4.2 earthquake struck 61 km WNW of Vallenar, Chile on Tue, Sep 26, 2017, 11:07 AM GMT-3 (14:07 UTC), 21 km (13 mi) below the surface.
A larger quake followed: M4.3 64 km W of Vallenar, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb), light
- Local time
- UTC
- 2017-09-26 14:07:22 UTC
- Depth
- 20.8 km (12.9 mi), shallow
- Epicenter
- 28.354° S, 71.333° 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 3.8 km horizontally, 9.1 km in depth
- Magnitude uncertainty
- ±0.37
- Depth from
- From location
- Station coverage gap
- 190°, poorly surrounded by stations
- Stations used
- 24
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 4 in the 30 days before it.
After
- 4.224 km NNW of Vallenar, Chile · 3280 days ago · 61 km deep · 48 km away
- 4.364 km W of Vallenar, Chile · 3267 days ago · 40 km deep · 37 km away
- 3.886 km W of Vallenar, Chile · 3267 days ago · 28 km deep · 50 km away
- 4.281 km WNW of Vallenar, Chile · 3241 days ago · 39 km deep · 20 km away
- 4.1130 km ENE of Copiapó, Chile · 3236 days ago · 8 km deep · 81 km away
Before
- 4.458 km WNW of Vallenar, Chile · 3286 days ago · 34 km deep · 10 km away
- 4.694 km NW of Vallenar, Chile · 3288 days ago · 32 km deep · 53 km away · felt by 3
- 3.6122 km NW of Vallenar, Chile · 3288 days ago · 7 km deep · 68 km away
- 3.888 km NNW of La Serena, Chile · 3307 days ago · 48 km deep · 95 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000auxj. Read Thu, Sep 24, 2026, 3:40 PM UTC.