M4.3 earthquake 130 km ESE of Iquique, Chile
A magnitude 4.3 earthquake struck 130 km ESE of Iquique, Chile on Wed, Nov 22, 2017, 1:00 AM GMT-3 (04:00 UTC), 105 km (65 mi) below the surface.
A larger quake followed: M4.5 148 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
- 4.3 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-11-22 04:00:26 UTC
- Depth
- 105.2 km (65.3 mi), intermediate-depth
- Epicenter
- 20.487° S, 68.938° 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.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Normal
- Moment magnitude
- 4.3 Mwr
- Nodal plane 1
- Strike 13°, dip 69°, rake -89°
- Nodal plane 2
- Strike 191°, dip 21°, rake -93°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.3 km horizontally, 5.4 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 35°
- Stations used
- 70
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 9 in the 30 days before it.
After
- 4.2135 km NNE of Calama, Chile · 3234 days ago · 133 km deep · 99 km away
- 4.1105 km E of Iquique, Chile · 3215 days ago · 99 km deep · 49 km away
- 4.2103 km E of Iquique, Chile · 3210 days ago · 101 km deep · 32 km away · felt by 1
- 4.5148 km N of Calama, Chile · 3206 days ago · 138 km deep · 75 km away
- 4.5138 km N of Calama, Chile · 3197 days ago · 119 km deep · 83 km away
Before
- 4.3125 km E of Iquique, Chile · 3237 days ago · 109 km deep · 25 km away
- 4.7125 km ESE of Iquique, Chile · 3239 days ago · 110 km deep · 37 km away
- 5.0113 km ENE of Iquique, Chile · 3240 days ago · 97 km deep · 78 km away · felt by 1
- 4.196 km E of Iquique, Chile · 3243 days ago · 95 km deep · 43 km away
- 4.0155 km N of Calama, Chile · 3246 days ago · 134 km deep · 72 km away
- 4.5146 km N of Calama, Chile · 3250 days ago · 107 km deep · 80 km away
- 4.1113 km E of Iquique, Chile · 3253 days ago · 102 km deep · 53 km away
- 4.3Tarapaca, Chile · 3255 days ago · 105 km deep · 97 km away
- 4.2116 km ENE of Iquique, Chile · 3257 days ago · 116 km deep · 85 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000bspf. Read Thu, Oct 1, 2026, 8:00 AM UTC.