M4.5 earthquake 19 km SSW of Calama, Chile
A magnitude 4.5 earthquake struck 19 km SSW of Calama, Chile on Sun, Apr 1, 2018, 1:58 PM GMT-3 (16:58 UTC), 101 km (63 mi) below the surface.
A larger quake followed: M4.9 39 km E 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-04-01 16:58:24 UTC
- Depth
- 100.8 km (62.6 mi), intermediate-depth
- Epicenter
- 22.616° S, 69.009° 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 5.6 km horizontally, 5.6 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- From location
- Station coverage gap
- 86°
- Stations used
- 40
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.18 km NNE of Calama, Chile · 3098 days ago · 109 km deep · 28 km away
- 4.445 km NNE of San Pedro de Atacama, Chile · 3097 days ago · 140 km deep · 96 km away
- 4.358 km NE of Calama, Chile · 3085 days ago · 116 km deep · 79 km away
- 4.939 km E of Calama, Chile · 3083 days ago · 104 km deep · 52 km away · felt by 3
- 4.479 km ENE of Tocopilla, Chile · 3081 days ago · 85 km deep · 98 km away
- 4.059 km NNE of Calama, Chile · 3071 days ago · 102 km deep · 79 km away
- 4.054 km NE of Calama, Chile · 3064 days ago · 120 km deep · 74 km away
- 4.518 km S of San Pedro de Atacama, Chile · 3063 days ago · 123 km deep · 100 km away
Before
- 4.551 km E of Calama, Chile · 3112 days ago · 116 km deep · 63 km away
- 4.3101 km S of Calama, Chile · 3120 days ago · 88 km deep · 83 km away
- 4.340 km NE of Calama, Chile · 3126 days ago · 123 km deep · 60 km away
- 4.464 km SSW of Calama, Chile · 3129 days ago · 122 km deep · 45 km away · felt by 1
- 4.229 km ENE of Calama, Chile · 3130 days ago · 118 km deep · 47 km away
- 4.371 km S of Calama, Chile · 3130 days ago · 108 km deep · 54 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000dc57. Read Thu, Oct 1, 2026, 8:02 AM UTC.