M4.4 earthquake 107 km W of Illapel, Chile
A magnitude 4.4 earthquake struck 107 km W of Illapel, Chile on Sun, May 29, 2016, 7:17 PM GMT-4 (23:17 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M4.7 25 km W of Illapel, 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
- 2016-05-29 23:17:51 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 31.759° S, 72.295° 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 2°, dip 44°, rake 90°
- Nodal plane 2
- Strike 181°, dip 46°, rake 90°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.7 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- Operator assigned
- Station coverage gap
- 142°
- Stations used
- 71
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 7 in the 30 days before it.
After
- 4.057 km WNW of La Ligua, Chile · 3768 days ago · 26 km deep · 73 km away
- 4.725 km W of Illapel, Chile · 3767 days ago · 56 km deep · 82 km away
- 4.055 km WNW of Illapel, Chile · 3763 days ago · 25 km deep · 63 km away
- 4.333 km W of Illapel, Chile · 3762 days ago · 45 km deep · 75 km away
- 4.359 km SW of Illapel, Chile · 3761 days ago · 35 km deep · 68 km away
- 3.984 km SW of Ovalle, Chile · 3760 days ago · 20 km deep · 87 km away
- 4.258 km W of Illapel, Chile · 3758 days ago · 14 km deep · 54 km away
- 3.977 km WNW of La Ligua, Chile · 3752 days ago · 10 km deep · 63 km away · felt by 1
- 4.1Near the coast of Coquimbo, Chile · 3747 days ago · 35 km deep · 95 km away
- 4.080 km W of Illapel, Chile · 3746 days ago · 20 km deep · 34 km away
- 4.1114 km WNW of Illapel, Chile · 3744 days ago · 15 km deep · 61 km away
- 4.437 km WNW of Illapel, Chile · 3742 days ago · 40 km deep · 75 km away
- 4.399 km W of Illapel, Chile · 3741 days ago · 10 km deep · 10 km away
- 5.028 km SW of Illapel, Chile · 3739 days ago · 46 km deep · 83 km away · felt by 6
- 4.1101 km W of Illapel, Chile · 3738 days ago · 10 km deep · 7 km away
- 4.399 km W of Illapel, Chile · 3738 days ago · 22 km deep · 11 km away
- 4.642 km WNW of Illapel, Chile · 3733 days ago · 44 km deep · 78 km away · felt by 1
- 4.329 km WSW of Illapel, Chile · 3723 days ago · 43 km deep · 80 km away
- 4.187 km NW of Illapel, Chile · 3713 days ago · 35 km deep · 74 km away
Before
- 4.0Near the coast of Coquimbo, Chile · 3770 days ago · 26 km deep · 93 km away
- 4.475 km NW of La Ligua, Chile · 3774 days ago · 11 km deep · 51 km away
- 4.2109 km W of Illapel, Chile · 3777 days ago · 30 km deep · 8 km away
- 4.397 km WSW of Illapel, Chile · 3777 days ago · 10 km deep · 14 km away
- 4.492 km WSW of Illapel, Chile · 3778 days ago · 10 km deep · 19 km away
- 4.473 km WNW of Illapel, Chile · 3781 days ago · 19 km deep · 68 km away
- 4.250 km WNW of La Ligua, Chile · 3788 days ago · 56 km deep · 81 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20005z3g. Read Tue, Sep 22, 2026, 6:53 PM UTC.