M4.5 earthquake 87 km SE of Arica, Chile
A magnitude 4.5 earthquake struck 87 km SE of Arica, Chile on Sun, Jul 18, 2021, 5:32 PM GMT-4 (21:32 UTC), 108 km (67 mi) below the surface.
A larger quake followed: M4.7 89 km E of Arica, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-07-18 21:32:30 UTC
- Depth
- 108.2 km (67.2 mi), intermediate-depth
- Epicenter
- 18.995° S, 69.673° W
- Region
- Chile
- Felt reports
- 2
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
2 people 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 4.7 km horizontally, 4.7 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 104°
- Stations used
- 61
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.789 km E of Arica, Chile · 1886 days ago · 126 km deep · 68 km away · felt by 1
- 3.351 km NNE of Iquique, Chile · 1873 days ago · 50 km deep · 93 km away · felt by 6
- 4.449 km SE of Calana, Peru · 1872 days ago · 133 km deep · 87 km away
- 4.182 km NNE of Iquique, Chile · 1871 days ago · 63 km deep · 62 km away · felt by 3
- 4.440 km SE of Calana, Peru · 1849 days ago · 97 km deep · 92 km away
- 4.2126 km SE of Arica, Chile · 1843 days ago · 119 km deep · 39 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000en9l. Read Sat, Oct 3, 2026, 12:13 AM UTC.