M2.8 earthquake 26 km WSW of Iquique, Chile
A magnitude 2.8 earthquake struck 26 km WSW of Iquique, Chile on Mon, Aug 30, 2021, 6:46 AM GMT-4 (10:46 UTC), 32 km (20 mi) below the surface.
A larger quake followed: M4.2 29 km SE of Iquique, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.8 (ML, local (Richter)), micro
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-08-30 10:46:23 UTC
- Depth
- 32.3 km (20.1 mi), shallow
- Epicenter
- 20.336° S, 70.365° W
- Region
- Chile
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
What happened
The USGS’s account of the effects of this earthquake.
Felt at Iquique.
From the USGS event page for us7000f5nb. U.S. Geological Survey text and figures are in the public domain.
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.4 km horizontally, 6.1 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 193°, poorly surrounded by stations
- Stations used
- 16
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 2 in the 30 days before it.
After
- 4.133 km W of Iquique, Chile · 1853 days ago · 24 km deep · 21 km away · felt by 9
- 2.723 km SE of Iquique, Chile · 1840 days ago · 76 km deep · 38 km away · felt by 2
- 3.773 km WSW of Iquique, Chile · 1826 days ago · 17 km deep · 47 km away · felt by 1
- 4.229 km SE of Iquique, Chile · 1824 days ago · 88 km deep · 40 km away · felt by 8
- 3.911 km NNE of Iquique, Chile · 1815 days ago · 47 km deep · 36 km away · felt by 9
- 4.044 km W of Iquique, Chile · 1811 days ago · 25 km deep · 27 km away · felt by 4
- 3.89 km SSW of Iquique, Chile · 1807 days ago · 41 km deep · 18 km away · felt by 6
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000f5nb. Read Fri, Oct 2, 2026, 10:29 PM UTC.