M4.3 earthquake 34 km NE of Iquique, Chile
A magnitude 4.3 earthquake struck 34 km NE of Iquique, Chile on Fri, Aug 28, 2020, 1:30 PM GMT-4 (17:30 UTC), 61 km (38 mi) below the surface.
A larger quake followed: M4.5 Tarapaca, 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
- 2020-08-28 17:30:43 UTC
- Depth
- 60.8 km (37.8 mi), shallow
- Epicenter
- 20.005° S, 69.901° W
- Region
- Chile
- Felt reports
- 21
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
21 people reported to the USGS what they felt; the strongest reported shaking was V, moderate shaking.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Strike-slip
- Moment magnitude
- 4.3 Mwr
- Nodal plane 1
- Strike 122°, dip 56°, rake -176°
- Nodal plane 2
- Strike 30°, dip 87°, rake -34°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.0 km horizontally, 4.2 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 105°
- Stations used
- 86
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 8 in the 30 days before it.
After
- 3.925 km SSW of Iquique, Chile · 2205 days ago · 66 km deep · 60 km away · felt by 5
- 3.320 km SE of Iquique, Chile · 2199 days ago · 83 km deep · 41 km away · felt by 3
- 4.5Tarapaca, Chile · 2193 days ago · 106 km deep · 81 km away
- 3.716 km W of Iquique, Chile · 2188 days ago · 32 km deep · 49 km away · felt by 6
- 3.763 km S of Iquique, Chile · 2187 days ago · 45 km deep · 91 km away · felt by 3
- 3.892 km S of Arica, Chile · 2183 days ago · 57 km deep · 83 km away · felt by 2
- 4.181 km N of Iquique, Chile · 2173 days ago · 13 km deep · 59 km away · felt by 6
Before
- 3.753 km SE of Iquique, Chile · 2232 days ago · 50 km deep · 66 km away · felt by 12
- 4.085 km NE of Iquique, Chile · 2234 days ago · 100 km deep · 51 km away · felt by 7
- 5.184 km S of Arica, Chile · 2239 days ago · 60 km deep · 94 km away · felt by 16
- 3.614 km ENE of Iquique, Chile · 2239 days ago · 45 km deep · 23 km away · felt by 6
- 4.5103 km ENE of Iquique, Chile · 2239 days ago · 99 km deep · 73 km away · felt by 1
- 5.5122 km NE of Iquique, Chile · 2251 days ago · 102 km deep · 88 km away · felt by 42
- 3.954 km NNE of Iquique, Chile · 2253 days ago · 31 km deep · 24 km away · felt by 12
- 3.116 km W of Iquique, Chile · 2254 days ago · 27 km deep · 49 km away · felt by 5
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000beh6. Read Fri, Oct 2, 2026, 10:54 PM UTC.