M4.0 earthquake 53 km W of Ovalle, Chile
A magnitude 4.0 earthquake struck 53 km W of Ovalle, Chile on Tue, May 23, 2017, 6:19 PM GMT-4 (22:19 UTC), 28 km (17 mi) below the surface.
A larger quake followed: M5.7 57 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
- 2017-05-23 22:19:00 UTC
- Depth
- 27.8 km (17.2 mi), shallow
- Epicenter
- 30.622° S, 71.754° W
- Region
- Chile
- Felt reports
- 2
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
2 people reported to the USGS what they felt; the strongest reported shaking was I, not felt shaking.
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 351°, dip 31°, rake 93°
- Nodal plane 2
- Strike 167°, dip 59°, rake 88°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.1 km horizontally, 5.1 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 116°
- Stations used
- 60
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.462 km SW of Coquimbo, Chile · 3415 days ago · 15 km deep · 39 km away
- 4.424 km SW of Ovalle, Chile · 3411 days ago · 43 km deep · 35 km away · felt by 3
- 4.15 km SSW of Ovalle, Chile · 3409 days ago · 58 km deep · 52 km away · felt by 1
- 4.340 km WSW of Ovalle, Chile · 3409 days ago · 28 km deep · 15 km away
- 4.049 km NW of Ovalle, Chile · 3405 days ago · 31 km deep · 34 km away
- 5.757 km WNW of Illapel, Chile · 3396 days ago · 27 km deep · 98 km away · felt by 155
- 4.059 km WNW of Illapel, Chile · 3396 days ago · 34 km deep · 98 km away
- 4.126 km SSW of Monte Patria, Chile · 3392 days ago · 79 km deep · 75 km away · felt by 1
- 5.117 km WSW of Ovalle, Chile · 3382 days ago · 53 km deep · 38 km away · felt by 15
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10008uhf. Read Tue, Sep 29, 2026, 10:17 AM UTC.