M4.7 earthquake 9 km SSW of Vallenar, Chile
A magnitude 4.7 earthquake struck 9 km SSW of Vallenar, Chile on Thu, Apr 2, 2015, 4:42 AM GMT-3 (07:42 UTC), 45 km (28 mi) below the surface.
A larger quake followed: M5.2 41 km NNE of Vallenar, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mww), light
- Local time
- UTC
- 2015-04-02 07:42:02 UTC
- Depth
- 45.1 km (28.0 mi), shallow
- Epicenter
- 28.650° S, 70.807° W
- Region
- Chile
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was IV, light 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
- 4.7 Mww
- Nodal plane 1
- Strike 184°, dip 68°, rake 58°
- Nodal plane 2
- Strike 63°, dip 38°, rake 143°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 6.6 km horizontally, 4.5 km in depth
- Stations used
- 0
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.283 km NNW of Vallenar, Chile · 4173 days ago · 60 km deep · 89 km away
- 5.170 km W of Vallenar, Chile · 4157 days ago · 18 km deep · 65 km away · felt by 2
- 5.241 km NNE of Vallenar, Chile · 4143 days ago · 44 km deep · 51 km away · felt by 9
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10001t29. Read Wed, Sep 30, 2026, 11:54 PM UTC.