M4.5 earthquake 45 km S of Calama, Chile
A magnitude 4.5 earthquake struck 45 km S of Calama, Chile on Sun, Jul 20, 2025, 8:36 AM GMT-4 (12:36 UTC), 102 km (64 mi) below the surface.
A larger quake followed: M5.2 40 km NE 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2025-07-20 12:36:23 UTC
- Depth
- 102.4 km (63.6 mi), intermediate-depth
- Epicenter
- 22.865° S, 68.891° 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.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.9 km horizontally, 6.2 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 68°
- Stations used
- 48
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 4 in the 30 days before it.
After
- 4.367 km SSW of Calama, Chile · 438 days ago · 108 km deep · 37 km away
- 5.240 km NE of Calama, Chile · 435 days ago · 106 km deep · 78 km away · felt by 4
- 4.453 km ENE of Calama, Chile · 434 days ago · 113 km deep · 81 km away
- 4.454 km NE of Calama, Chile · 425 days ago · 118 km deep · 92 km away
- 4.343 km ENE of Calama, Chile · 423 days ago · 142 km deep · 77 km away
- 4.07 km SSW of María Elena, Chile · 418 days ago · 71 km deep · 96 km away
- 4.115 km ENE of Calama, Chile · 396 days ago · 122 km deep · 54 km away
Before
- 4.231 km WNW of San Pedro de Atacama, Chile · 441 days ago · 111 km deep · 42 km away
- 4.440 km NNE of San Pedro de Atacama, Chile · 446 days ago · 154 km deep · 95 km away
- 4.228 km E of Calama, Chile · 452 days ago · 109 km deep · 56 km away
- 4.435 km W of San Pedro de Atacama, Chile · 466 days ago · 116 km deep · 37 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000qe1a. Read Fri, Oct 2, 2026, 11:53 AM UTC.