M4.0 earthquake 83 km WNW of Coquimbo, Chile
A magnitude 4.0 earthquake struck 83 km WNW of Coquimbo, Chile on Fri, Aug 26, 2016, 6:00 PM GMT-3 (21:00 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.4 103 km W of Ovalle, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mwr), light
- Local time
- UTC
- 2016-08-26 21:00:48 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 29.602° S, 72.104° 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 III, weak 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
- 4.0 Mwr
- Nodal plane 1
- Strike 21°, dip 46°, rake 110°
- Nodal plane 2
- Strike 173°, dip 48°, rake 71°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.7 km horizontally, 1.2 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- Operator assigned
- Station coverage gap
- 115°
- Stations used
- 58
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.4103 km W of Ovalle, Chile · 3666 days ago · 10 km deep · 96 km away
- 4.287 km WSW of Coquimbo, Chile · 3661 days ago · 14 km deep · 87 km away
- 4.685 km WSW of Vallenar, Chile · 3660 days ago · 20 km deep · 90 km away
- 3.736 km WNW of Coquimbo, Chile · 3651 days ago · 30 km deep · 48 km away · felt by 1
- 4.660 km SW of Coquimbo, Chile · 3650 days ago · 30 km deep · 88 km away · felt by 1
- 4.877 km WNW of Coquimbo, Chile · 3643 days ago · 10 km deep · 6 km away
- 4.254 km N of La Serena, Chile · 3637 days ago · 50 km deep · 87 km away · felt by 1
- 4.186 km WNW of Coquimbo, Chile · 3636 days ago · 15 km deep · 5 km away
- 4.088 km WNW of Ovalle, Chile · 3634 days ago · 18 km deep · 91 km away
Before
- 4.4107 km WSW of Coquimbo, Chile · 3682 days ago · 9 km deep · 85 km away
- 4.030 km WNW of Coquimbo, Chile · 3689 days ago · 24 km deep · 53 km away
- 3.980 km WSW of Vallenar, Chile · 3690 days ago · 44 km deep · 99 km away
- 4.377 km WNW of Coquimbo, Chile · 3703 days ago · 29 km deep · 6 km away
- 4.487 km WSW of Coquimbo, Chile · 3707 days ago · 18 km deep · 87 km away
- 4.349 km WNW of Ovalle, Chile · 3709 days ago · 28 km deep · 96 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20006udm. Read Tue, Sep 22, 2026, 6:53 PM UTC.