Light mag. 4.0 earthquake - South Pacific Ocean, Chile, on Thursday, Jan 20, 2022 at 10:33 am (GMT -5) -
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Light magnitude 4.0 earthquake at 36 km depth
20 Jan 15:37 UTC: First to report: EMSC after 5 minutes.
20 Jan 15:49: Magnitude recalculated from 4.1 to 3.9. Hypocenter depth recalculated from 67.0 to 36.0 km (from 42 to 22 mi). Epicenter location corrected by 26 km (16 mi) towards E.
20 Jan 20:48: Now using data updates from USGS
20 Jan 15:49: Magnitude recalculated from 4.1 to 3.9. Hypocenter depth recalculated from 67.0 to 36.0 km (from 42 to 22 mi). Epicenter location corrected by 26 km (16 mi) towards E.
20 Jan 20:48: Now using data updates from USGS
Local time at epicenter: Thursday, Jan 20, 2022 at 10:33 am (GMT -5)
Magnitude: 4
Depth: 35.9 km
Epicenter latitude / longitude: 21.1888°S / 70.3062°W

Antipode: 21.189°N / 109.694°E
Nearest volcano: Irruputuncu (189 km / 117 mi)
Nearby towns and cities:
101 km (63 mi) N of Tocopilla (pop: 24,500) --> See nearby quakes!
110 km (68 mi) S of Iquique (pop: 227,500) --> See nearby quakes!
201 km (125 mi) NW of Calama (pop: 143,100) --> See nearby quakes!
274 km (170 mi) N of Antofagasta (pop: 309,800) --> See nearby quakes!
289 km (180 mi) NW of San Pedro de Atacama (pop: 2,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 tons of TNT) | about seismic energy
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag. | Depth | Location | Source |
4.0 | 36 km | 100 Km N of Tocopilla, Chile | USGS |
4.0 | 36 km | Near Coast of Northern Chile | RaspberryShake |
4.0 | 36 km | OFFSHORE ANTOFAGASTA, CHILE | EMSC |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Earlier earthquakes in the same area
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