M4.2 earthquake 52 km SSW of Calama, Chile
A magnitude 4.2 earthquake struck 52 km SSW of Calama, Chile on Wed, Mar 1, 2017, 4:42 AM GMT-3 (07:42 UTC), 105 km (65 mi) below the surface.
A larger quake followed: M5.3 27 km ESE of Calama, 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 (mb), light
- Local time
- UTC
- 2017-03-01 07:42:36 UTC
- Depth
- 105.3 km (65.5 mi), intermediate-depth
- Epicenter
- 22.907° S, 69.088° 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 9.1 km horizontally, 9.1 km in depth
- Magnitude uncertainty
- ±0.24
- Depth from
- From location
- Station coverage gap
- 86°
- Stations used
- 30
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.225 km WSW of San Pedro de Atacama, Chile · 3483 days ago · 124 km deep · 66 km away
- 4.1114 km SW of San Pedro de Atacama, Chile · 3478 days ago · 105 km deep · 66 km away
- 5.327 km ESE of Calama, Chile · 3456 days ago · 106 km deep · 62 km away · felt by 3
- 4.333 km NE of Calama, Chile · 3455 days ago · 128 km deep · 83 km away
- 4.088 km ENE of Antofagasta, Chile · 3454 days ago · 70 km deep · 69 km away
- 4.019 km NE of Calama, Chile · 3452 days ago · 116 km deep · 71 km away
- 4.445 km NNE of Calama, Chile · 3448 days ago · 120 km deep · 98 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us100085wv. Read Wed, Sep 30, 2026, 4:43 PM UTC.