M4.2 earthquake 58 km WNW of Illapel, Chile
A magnitude 4.2 earthquake struck 58 km WNW of Illapel, Chile on Mon, Aug 14, 2017, 3:58 AM GMT-3 (06:58 UTC), 22 km (14 mi) below the surface.
A larger quake followed: M4.3 24 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
- 4.2 (mwr), light
- Local time
- UTC
- 2017-08-14 06:58:32 UTC
- Depth
- 21.8 km (13.5 mi), shallow
- Epicenter
- 31.461° S, 71.748° W
- Region
- Chile
- Felt reports
- 4
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
4 people 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
- Oblique reverse
- Moment magnitude
- 4.2 Mwr
- Nodal plane 1
- Strike 13°, dip 36°, rake 120°
- Nodal plane 2
- Strike 157°, dip 60°, rake 70°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.3 km horizontally, 3.7 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 93°
- Stations used
- 169
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.324 km W of Illapel, Chile · 3327 days ago · 48 km deep · 36 km away
- 4.099 km WSW of Illapel, Chile · 3315 days ago · 10 km deep · 59 km away
- 4.449 km WSW of Illapel, Chile · 3314 days ago · 22 km deep · 33 km away
- 4.237 km WSW of Ovalle, Chile · 3305 days ago · 49 km deep · 80 km away
- 5.993 km WSW of Illapel, Chile · 3293 days ago · 17 km deep · 54 km away · felt by 115
- 4.3102 km WSW of Illapel, Chile · 3293 days ago · 10 km deep · 62 km away
- 4.396 km W of Illapel, Chile · 3293 days ago · 10 km deep · 55 km away
- 3.9118 km W of Illapel, Chile · 3292 days ago · 10 km deep · 70 km away
- 4.2113 km W of Illapel, Chile · 3292 days ago · 10 km deep · 69 km away · felt by 1
- 4.5124 km W of Illapel, Chile · 3291 days ago · 10 km deep · 77 km away · felt by 5
- 4.0Off the coast of Coquimbo, Chile · 3291 days ago · 10 km deep · 57 km away
- 4.3103 km W of Illapel, Chile · 3284 days ago · 14 km deep · 59 km away · felt by 21
- 4.199 km W of Illapel, Chile · 3281 days ago · 39 km deep · 52 km away · felt by 6
- 4.221 km WSW of Ovalle, Chile · 3277 days ago · 43 km deep · 91 km away
- 4.178 km SW of Ovalle, Chile · 3268 days ago · 21 km deep · 42 km away · felt by 3
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000a7yn. Read Thu, Sep 24, 2026, 3:46 AM UTC.