M4.3 earthquake 127 km NE of Tocopilla, Chile
A magnitude 4.3 earthquake struck 127 km NE of Tocopilla, Chile on Wed, Feb 4, 2015, 10:37 AM GMT-3 (13:37 UTC), 75 km (46 mi) below the surface.
A larger quake followed: M5.2 106 km E of Iquique, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb), light
- Local time
- UTC
- 2015-02-04 13:37:55 UTC
- Depth
- 74.8 km (46.5 mi), intermediate-depth
- Epicenter
- 21.208° S, 69.403° 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.

How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 6.7 km horizontally, 5.1 km in depth
- Magnitude uncertainty
- ±0.20
- Stations used
- 0
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.2114 km NNE of Calama, Chile · 4251 days ago · 98 km deep · 91 km away
- 5.2106 km E of Iquique, Chile · 4229 days ago · 106 km deep · 98 km away · felt by 1
- 4.5129 km ESE of Iquique, Chile · 4227 days ago · 103 km deep · 91 km away
- 4.1153 km NNE of Calama, Chile · 4206 days ago · 130 km deep · 85 km away
- 4.6153 km N of Calama, Chile · 4203 days ago · 127 km deep · 69 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usc000tlhi. Read Wed, Sep 30, 2026, 11:54 PM UTC.