M4.4 earthquake 28 km WSW of Illapel, Chile
A magnitude 4.4 earthquake struck 28 km WSW of Illapel, Chile on Sat, Aug 10, 2019, 1:16 PM GMT-4 (17:16 UTC), 49 km (30 mi) below the surface.
A larger quake followed: M4.8 57 km SSW 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
- 4.4 (mwr), light
- Local time
- UTC
- 2019-08-10 17:16:05 UTC
- Depth
- 48.9 km (30.4 mi), shallow
- Epicenter
- 31.751° S, 71.440° 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
- 4.4 Mwr
- Nodal plane 1
- Strike 347°, dip 26°, rake 87°
- Nodal plane 2
- Strike 170°, dip 64°, rake 91°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 2.4 km horizontally, 5.4 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 128°
- Stations used
- 102
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
- 3.830 km WSW of Salamanca, Chile · 2598 days ago · 71 km deep · 28 km away
- 4.857 km SSW of Ovalle, Chile · 2594 days ago · 60 km deep · 73 km away · felt by 8
- 4.054 km WNW of La Ligua, Chile · 2572 days ago · 22 km deep · 64 km away
- 4.466 km WNW of La Ligua, Chile · 2572 days ago · 12 km deep · 70 km away
- 4.446 km W of La Ligua, Chile · 2552 days ago · 57 km deep · 87 km away · felt by 7
Before
- 4.736 km S of Salamanca, Chile · 2609 days ago · 83 km deep · 59 km away · felt by 63
- 4.475 km WNW of Illapel, Chile · 2619 days ago · 30 km deep · 56 km away
- 4.350 km NNE of Salamanca, Chile · 2628 days ago · 105 km deep · 79 km away
- 4.170 km SW of Ovalle, Chile · 2632 days ago · 36 km deep · 93 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us600053g8. Read Wed, Sep 30, 2026, 10:34 AM UTC.