M4.1 earthquake 144 km ESE of Iquique, Chile
A magnitude 4.1 earthquake struck 144 km ESE of Iquique, Chile on Thu, Jul 30, 2020, 3:21 AM GMT-4 (07:21 UTC), 118 km (74 mi) below the surface.
A larger quake followed: M4.9 161 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
- 4.1 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-07-30 07:21:14 UTC
- Depth
- 118.4 km (73.6 mi), intermediate-depth
- Epicenter
- 20.842° S, 68.930° 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
- Oblique reverse
- Moment magnitude
- 4.1 Mwr
- Nodal plane 1
- Strike 150°, dip 57°, rake 142°
- Nodal plane 2
- Strike 264°, dip 59°, rake 40°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.3 km horizontally, 4.4 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 76°
- Stations used
- 52
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 7 in the 30 days before it.
After
- 4.3128 km N of Calama, Chile · 2253 days ago · 138 km deep · 57 km away
- 4.5136 km ESE of Iquique, Chile · 2251 days ago · 98 km deep · 40 km away · felt by 15
- 4.1149 km NNE of Calama, Chile · 2247 days ago · 156 km deep · 49 km away
- 3.753 km SE of Iquique, Chile · 2232 days ago · 50 km deep · 99 km away · felt by 12
- 4.6136 km ESE of Iquique, Chile · 2213 days ago · 124 km deep · 11 km away · felt by 1
- 4.2127 km ESE of Iquique, Chile · 2211 days ago · 120 km deep · 19 km away · felt by 3
- 4.9161 km N of Calama, Chile · 2205 days ago · 124 km deep · 32 km away · felt by 6
- 4.1144 km ESE of Iquique, Chile · 2203 days ago · 105 km deep · 8 km away
Before
- 4.1158 km ESE of Iquique, Chile · 2261 days ago · 108 km deep · 14 km away
- 4.1102 km ESE of Iquique, Chile · 2262 days ago · 114 km deep · 54 km away · felt by 1
- 4.3119 km N of Calama, Chile · 2264 days ago · 103 km deep · 64 km away
- 4.1144 km NNE of Calama, Chile · 2266 days ago · 132 km deep · 56 km away
- 4.0167 km ESE of Iquique, Chile · 2272 days ago · 122 km deep · 23 km away
- 4.2148 km N of Calama, Chile · 2272 days ago · 117 km deep · 31 km away
- 4.1117 km SE of Iquique, Chile · 2276 days ago · 60 km deep · 48 km away · felt by 2
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000b6l8. Read Sat, Oct 3, 2026, 2:28 AM UTC.