Moderate mag. 4.6 earthquake - South Pacific Ocean, 158 km west of Valdivia, Los Rios Region, Chile, on Monday, 28 Dec 2020 10:58 am (GMT -5) -
This quake was likely an aftershock of the 6.7 quake South Pacific Ocean, 145 km west of Valdivia, Los Rios Region, Chile, 27 Dec 2020 4:39 pm (GMT -5), which had occurred 18 hours earlier.
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Moderate magnitude 4.6 earthquake at 27 km depth
28 Dec 16:04 UTC: First to report: GFZ after 6 minutes.
28 Dec 16:14: Now using data updates from GUG (U. Chile)
28 Dec 16:20: Magnitude recalculated from 4.1 to 4.2. Hypocenter depth recalculated from 36.8 to 27.2 km (from 23 to 16.9 mi). Epicenter location corrected by 5.4 km (3.4 mi) towards WSW.
28 Dec 21:06: Magnitude recalculated from 4.2 to 4.6.
28 Dec 16:14: Now using data updates from GUG (U. Chile)
28 Dec 16:20: Magnitude recalculated from 4.1 to 4.2. Hypocenter depth recalculated from 36.8 to 27.2 km (from 23 to 16.9 mi). Epicenter location corrected by 5.4 km (3.4 mi) towards WSW.
28 Dec 21:06: Magnitude recalculated from 4.2 to 4.6.
Date & time: 28 Dec 2020 15:58:33 UTC -
Local time at epicenter: Monday, 28 Dec 2020 10:58 am (GMT -5)
Magnitude: 4.6
Depth: 27.2 km
Epicenter latitude / longitude: 39.46°S / 75.029°W
(South Pacific Ocean, Chile)Nearby towns and cities:
137 km (85 mi) WNW of Vuelta de la Zorra (pop: 50) --> See nearby quakes!
158 km (98 mi) WNW of Valdivia (pop: 133,400) --> See nearby quakes!
160 km (99 mi) WNW of Las Animas (pop: 30,000) --> See nearby quakes!
190 km (118 mi) WNW of La Union (Ranco) (pop: 26,300) --> See nearby quakes!
204 km (126 mi) NW of Osorno (pop: 135,800) --> See nearby quakes!
225 km (140 mi) WSW of Temuco (pop: 238,100) --> See nearby quakes!
285 km (177 mi) NW of Port Montt (pop: 160,100) --> See nearby quakes!
340 km (211 mi) SSW of Concepcion (pop: 215,400) --> See nearby quakes!
347 km (216 mi) SSW of Talcahuano (pop: 253,000) --> See nearby quakes!
774 km (481 mi) SSW of Santiago de Chile (pop: 4,837,300) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds
16.8°C (62 F), humidity: 88%, wind: 4 m/s (8 kts) from NW
Primary data source: GUG (U. Chile)Overcast Clouds
16.8°C (62 F), humidity: 88%, wind: 4 m/s (8 kts) from NWEstimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 tons of TNT) More info
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.
| Magnitude | Depth | Location | Source |
| M 4.6 | 27 km | 158 Km Al O De Valdivia, Chile | GUG (U. Chile) |
| M 4.7 | 10 km | OFF COAST OF LOS LAGOS, CHILE | EMSC |
| M 4.6 | 10 km | Off Coast of Central Chile | GFZ |
| M 4.7 | 10 km | 138 Km WNW of Corral, Chile | USGS |
User reports for this quake (1)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
