M4.0 earthquake 76 km W of Illapel, Chile
A magnitude 4.0 earthquake struck 76 km W of Illapel, Chile on Sat, Oct 17, 2015, 5:32 PM GMT-3 (20:32 UTC), 16 km (10 mi) below the surface.
A larger quake followed: M4.1 104 km WNW 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
- 4.0 (mwr), light
- Local time
- UTC
- 2015-10-17 20:32:06 UTC
- Depth
- 15.6 km (9.7 mi), shallow
- Epicenter
- 31.744° S, 71.971° 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
- 4.0 Mwr
- Nodal plane 1
- Strike 22°, dip 34°, rake 110°
- Nodal plane 2
- Strike 178°, dip 58°, rake 77°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 2.2 km horizontally, 3.7 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 139°
- Stations used
- 54
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 46 in the 60 days after this one and 153 in the 30 days before it.
After
- 4.0109 km WNW of Illapel, Chile · 3993 days ago · 8 km deep · 55 km away
- 4.1104 km WNW of Illapel, Chile · 3992 days ago · 10 km deep · 50 km away
- 4.276 km NW of Illapel, Chile · 3992 days ago · 30 km deep · 68 km away
- 4.283 km W of Illapel, Chile · 3991 days ago · 10 km deep · 9 km away
- 4.278 km NW of Illapel, Chile · 3990 days ago · 22 km deep · 64 km away
- 4.579 km W of La Ligua, Chile · 3989 days ago · 10 km deep · 71 km away
- 4.336 km W of Illapel, Chile · 3988 days ago · 37 km deep · 44 km away
- 5.036 km NW of Illapel, Chile · 3987 days ago · 40 km deep · 57 km away · felt by 6
- 4.191 km W of Illapel, Chile · 3985 days ago · 29 km deep · 18 km away
- 4.381 km WSW of Ovalle, Chile · 3985 days ago · 27 km deep · 100 km away
- 4.256 km WSW of Illapel, Chile · 3983 days ago · 31 km deep · 21 km away
- 4.688 km W of Illapel, Chile · 3983 days ago · 10 km deep · 13 km away
- 4.3108 km W of Illapel, Chile · 3983 days ago · 10 km deep · 31 km away
- 4.097 km W of Illapel, Chile · 3982 days ago · 23 km deep · 21 km away
- 3.997 km WSW of Illapel, Chile · 3982 days ago · 20 km deep · 22 km away
- 4.386 km WSW of Illapel, Chile · 3982 days ago · 2 km deep · 13 km away
- 4.278 km W of Illapel, Chile · 3981 days ago · 35 km deep · 5 km away
- 4.180 km SW of Ovalle, Chile · 3980 days ago · 20 km deep · 74 km away
- 4.1109 km WNW of Illapel, Chile · 3978 days ago · 4 km deep · 64 km away
- 4.667 km WSW of Ovalle, Chile · 3974 days ago · 35 km deep · 92 km away
- 4.684 km WNW of Illapel, Chile · 3973 days ago · 8 km deep · 35 km away · felt by 1
- 4.198 km W of Illapel, Chile · 3972 days ago · 13 km deep · 21 km away
- 4.493 km W of Illapel, Chile · 3971 days ago · 10 km deep · 17 km away
- 4.236 km WSW of Illapel, Chile · 3970 days ago · 35 km deep · 43 km away
- 4.276 km SW of Ovalle, Chile · 3969 days ago · 20 km deep · 83 km away
- 4.3Near the coast of Coquimbo, Chile · 3965 days ago · 38 km deep · 50 km away
- 4.186 km WSW of Illapel, Chile · 3964 days ago · 10 km deep · 13 km away
- 4.273 km W of Illapel, Chile · 3964 days ago · 32 km deep · 4 km away
- 4.4138 km WNW of Illapel, Chile · 3961 days ago · 10 km deep · 75 km away · felt by 1
- 4.195 km WSW of Ovalle, Chile · 3961 days ago · 24 km deep · 74 km away
- 4.353 km W of Illapel, Chile · 3959 days ago · 30 km deep · 31 km away
- 4.072 km W of Illapel, Chile · 3958 days ago · 24 km deep · 24 km away
- 4.299 km WSW of Illapel, Chile · 3957 days ago · 3 km deep · 24 km away
- 5.092 km WSW of Illapel, Chile · 3957 days ago · 10 km deep · 16 km away
- 4.2103 km WSW of Illapel, Chile · 3957 days ago · 11 km deep · 27 km away
- 4.6100 km WSW of Illapel, Chile · 3956 days ago · 10 km deep · 25 km away
- 4.771 km W of Illapel, Chile · 3956 days ago · 15 km deep · 6 km away
- 4.729 km W of Illapel, Chile · 3950 days ago · 40 km deep · 49 km away
- 4.277 km W of Illapel, Chile · 3948 days ago · 34 km deep · 14 km away
- 4.277 km WSW of Ovalle, Chile · 3948 days ago · 40 km deep · 97 km away
- 4.2107 km W of Illapel, Chile · 3947 days ago · 10 km deep · 30 km away
- 4.471 km WNW of Illapel, Chile · 3944 days ago · 35 km deep · 31 km away
- 5.527 km NNW of Illapel, Chile · 3944 days ago · 50 km deep · 77 km away · felt by 11
- 4.4143 km WNW of Illapel, Chile · 3939 days ago · 3 km deep · 85 km away
- 4.186 km W of Illapel, Chile · 3939 days ago · 10 km deep · 12 km away
- 4.186 km W of Illapel, Chile · 3938 days ago · 10 km deep · 12 km away
Before
- 4.493 km WNW of Illapel, Chile · 3994 days ago · 10 km deep · 41 km away
- 4.291 km W of Illapel, Chile · 3995 days ago · 16 km deep · 17 km away
- 4.276 km WNW of Illapel, Chile · 3995 days ago · 30 km deep · 34 km away
- 4.249 km NW of Illapel, Chile · 3998 days ago · 50 km deep · 72 km away
- 4.097 km WSW of Ovalle, Chile · 3998 days ago · 7 km deep · 92 km away
- 4.159 km NW of Illapel, Chile · 3998 days ago · 41 km deep · 69 km away
- 3.995 km W of Illapel, Chile · 3998 days ago · 10 km deep · 18 km away
- 4.083 km SW of Ovalle, Chile · 3999 days ago · 35 km deep · 70 km away
- 4.593 km NW of Illapel, Chile · 3999 days ago · 19 km deep · 67 km away
- 4.191 km NW of Illapel, Chile · 4000 days ago · 37 km deep · 67 km away
- 4.073 km NW of Illapel, Chile · 4000 days ago · 26 km deep · 66 km away
- 5.080 km NW of Illapel, Chile · 4000 days ago · 20 km deep · 63 km away
- 5.679 km NW of Illapel, Chile · 4000 days ago · 21 km deep · 64 km away · felt by 8
- 4.163 km NW of La Ligua, Chile · 4000 days ago · 37 km deep · 45 km away
- 4.148 km WSW of Illapel, Chile · 4001 days ago · 40 km deep · 30 km away
- 4.1104 km W of Illapel, Chile · 4002 days ago · 14 km deep · 27 km away
- 5.554 km WSW of Illapel, Chile · 4002 days ago · 35 km deep · 23 km away · felt by 18
- 4.031 km WNW of Illapel, Chile · 4003 days ago · 39 km deep · 52 km away
- 4.1116 km W of Illapel, Chile · 4004 days ago · 10 km deep · 42 km away
- 4.2121 km W of Illapel, Chile · 4004 days ago · 10 km deep · 45 km away
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10003pee. Read Wed, Sep 23, 2026, 11:19 PM UTC.