M3.8 earthquake 54 km W of La Ligua, Chile
A magnitude 3.8 earthquake struck 54 km W of La Ligua, Chile on Sat, Aug 13, 2016, 10:21 AM GMT-4 (14:21 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M4.4 30 km NNW of Valparaíso, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.8 (mwr), minor
- Local time
- UTC
- 2016-08-13 14:21:45 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 32.407° S, 71.805° 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.
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
- 3.8 Mwr
- Nodal plane 1
- Strike 213°, dip 62°, rake 110°
- Nodal plane 2
- Strike 356°, dip 34°, rake 58°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.3 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- Operator assigned
- Station coverage gap
- 170°
- Stations used
- 38
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 9 in the 30 days before it.
After
- 4.430 km NNW of Valparaíso, Chile · 3678 days ago · 28 km deep · 41 km away · felt by 2
- 4.388 km WNW of La Ligua, Chile · 3672 days ago · 8 km deep · 41 km away
- 4.255 km SW of Illapel, Chile · 3668 days ago · 67 km deep · 53 km away
- 4.939 km WNW of La Ligua, Chile · 3667 days ago · 30 km deep · 20 km away · felt by 4
- 3.879 km W of Illapel, Chile · 3661 days ago · 35 km deep · 95 km away
- 3.944 km NNW of Viña del Mar, Chile · 3650 days ago · 18 km deep · 29 km away
- 4.078 km NW of La Ligua, Chile · 3650 days ago · 42 km deep · 40 km away
- 4.661 km NW of La Ligua, Chile · 3643 days ago · 16 km deep · 38 km away
Before
- 4.841 km N of La Ligua, Chile · 3696 days ago · 84 km deep · 63 km away · felt by 9
- 4.558 km SW of Illapel, Chile · 3696 days ago · 32 km deep · 51 km away
- 4.599 km W of Illapel, Chile · 3696 days ago · 18 km deep · 84 km away
- 5.046 km W of Illapel, Chile · 3697 days ago · 30 km deep · 92 km away
- 4.0110 km W of Illapel, Chile · 3698 days ago · 10 km deep · 91 km away
- 4.3104 km W of Illapel, Chile · 3699 days ago · 10 km deep · 84 km away
- 4.637 km WNW of Illapel, Chile · 3707 days ago · 42 km deep · 98 km away
- 4.366 km W of Illapel, Chile · 3708 days ago · 32 km deep · 76 km away
- 4.8Near the coast of Valparaiso, Chile · 3710 days ago · 16 km deep · 25 km away · felt by 51
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10006dku. Read Tue, Sep 22, 2026, 8:24 PM UTC.