M4.5 earthquake 152 km N of Calama, Chile
A magnitude 4.5 earthquake struck 152 km N of Calama, Chile on Fri, Feb 2, 2018, 8:36 AM GMT-3 (11:36 UTC), 146 km (90 mi) below the surface.
A larger quake followed: M5.1 167 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-02-02 11:36:09 UTC
- Depth
- 145.6 km (90.4 mi), intermediate-depth
- Epicenter
- 21.090° S, 68.769° 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 5.4 km horizontally, 8.3 km in depth
- Magnitude uncertainty
- ±0.31
- Depth from
- From location
- Station coverage gap
- 139°
- Stations used
- 34
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 7 in the 30 days before it.
After
- 4.0116 km ESE of Iquique, Chile · 3157 days ago · 103 km deep · 79 km away
- 4.182 km NNE of Calama, Chile · 3146 days ago · 124 km deep · 80 km away
- 4.1125 km NNE of Calama, Chile · 3141 days ago · 134 km deep · 40 km away
- 5.1167 km E of Iquique, Chile · 3132 days ago · 121 km deep · 77 km away · felt by 2
- 4.6138 km SW of Uyuni, Bolivia · 3121 days ago · 169 km deep · 90 km away
- 4.5118 km N of Calama, Chile · 3115 days ago · 117 km deep · 36 km away
Before
- 4.2120 km E of Iquique, Chile · 3163 days ago · 132 km deep · 79 km away
- 4.361 km NNE of Calama, Chile · 3171 days ago · 120 km deep · 94 km away
- 5.3120 km E of Iquique, Chile · 3172 days ago · 105 km deep · 87 km away · felt by 4
- 4.3131 km WSW of Colchani, Bolivia · 3175 days ago · 211 km deep · 79 km away
- 4.387 km NNE of Calama, Chile · 3181 days ago · 119 km deep · 70 km away
- 4.5113 km N of Calama, Chile · 3183 days ago · 119 km deep · 39 km away
- 4.3110 km NNE of Calama, Chile · 3192 days ago · 141 km deep · 54 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000ce9l. Read Thu, Oct 1, 2026, 2:33 AM UTC.