Mag. 4.0 earthquake - Vinchina department, 138 km southeast of Copiapo, Atacama, Chile, on Thursday, 27 September 2018 at 07:01 (GMT)
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Light magnitude 4.0 earthquake at 116 km depth
27 Sep 07:16 UTC: First to report: GUG (U. Chile) after 15 minutes.
Sep 27 09:18: Magnitude recalculated from 3.8 to 4.0.
Sep 27 09:18: Magnitude recalculated from 3.8 to 4.0.
Magnitude: 4
Depth: 115.9 km
Epicenter latitude / longitude: 27.973°S / 69.109°W
(Vinchina department, Atacama, Chile)Nearest volcano: Copiapo (75 km / 47 mi)
Nearby towns and cities:
138 km (86 mi) ESE of Copiapo (Atacama) (pop: 129,300) --> See nearby quakes!
175 km (109 mi) ENE of Vallenar (Atacama) (pop: 44,900) --> See nearby quakes!
201 km (125 mi) SSE of Diego de Almagro (Atacama) (pop: 18,100) --> See nearby quakes!
206 km (128 mi) NW of Chilecito (La Rioja, Argentina) (pop: 42,200) --> See nearby quakes!
272 km (169 mi) NW of La Rioja (Argentina) (pop: 162,600) --> See nearby quakes!
299 km (186 mi) NE of La Serena (Coquimbo Region) (pop: 154,500) --> See nearby quakes!
309 km (192 mi) NE of Coquimbo (Coquimbo Region) (pop: 161,300) --> See nearby quakes!
356 km (221 mi) NE of Ovalle (Coquimbo Region) (pop: 77,100) --> See nearby quakes!
498 km (309 mi) SSE of Antofagasta (pop: 309,800) --> See nearby quakes!
627 km (390 mi) NNE of Santiago (Santiago Metropolitan) (pop: 4,837,300) --> See nearby quakes!
Primary data source: GUG (U. Chile)
Estimated released energy: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 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 4.0 | 116 km | 126 km al SE de Tierra Amarilla | GUG (U. Chile) |
| M 3.8 | 116 km | LA RIOJA, ARGENTINA | EMSC |
| M 4.0 | 96 km | - 104km NW of Vinchina, Argentina | USGS |
User reports for this quake
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Earlier earthquakes in the same area
Mag. 4.0 earthquake - Vinchina department, 138 km southeast of Copiapo, Atacama, Chile, on Thursday, 27 September 2018 at 07:01 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
