M4.2 earthquake 121 km ESE of Iquique, Chile
A magnitude 4.2 earthquake struck 121 km ESE of Iquique, Chile on Mon, Oct 22, 2018, 7:25 PM GMT-3 (22:25 UTC), 96 km (60 mi) below the surface.
A larger quake followed: M4.6 154 km N 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-10-22 22:25:41 UTC
- Depth
- 95.9 km (59.6 mi), intermediate-depth
- Epicenter
- 20.583° S, 69.056° 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, 5.3 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 47°
- Stations used
- 41
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 8 in the 30 days before it.
After
- 4.0150 km N of Calama, Chile · 2893 days ago · 141 km deep · 74 km away
- 4.4122 km E of Iquique, Chile · 2892 days ago · 106 km deep · 22 km away · felt by 1
- 4.5132 km N of Calama, Chile · 2885 days ago · 115 km deep · 77 km away
- 4.5152 km N of Calama, Chile · 2880 days ago · 113 km deep · 57 km away
- 4.1141 km N of Calama, Chile · 2879 days ago · 113 km deep · 80 km away
- 4.1151 km N of Calama, Chile · 2872 days ago · 144 km deep · 70 km away
- 4.2139 km N of Calama, Chile · 2849 days ago · 124 km deep · 81 km away
- 4.191 km ENE of Iquique, Chile · 2842 days ago · 92 km deep · 73 km away · felt by 1
- 4.6154 km N of Calama, Chile · 2841 days ago · 93 km deep · 59 km away · felt by 1
Before
- 4.2139 km N of Calama, Chile · 2904 days ago · 122 km deep · 69 km away
- 4.3162 km N of Calama, Chile · 2907 days ago · 113 km deep · 51 km away
- 4.4153 km N of Calama, Chile · 2910 days ago · 133 km deep · 60 km away
- 4.2149 km N of Calama, Chile · 2919 days ago · 117 km deep · 60 km away
- 4.388 km E of Iquique, Chile · 2921 days ago · 88 km deep · 40 km away · felt by 1
- 4.3129 km ESE of Iquique, Chile · 2926 days ago · 123 km deep · 23 km away
- 4.4169 km NNE of Calama, Chile · 2927 days ago · 115 km deep · 78 km away
- 4.5147 km N of Calama, Chile · 2930 days ago · 124 km deep · 63 km away · felt by 2
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000hfvc. Read Thu, Oct 1, 2026, 10:18 AM UTC.