Date and time | Mag Depth | Nearest volcano (distance) | Location | Details | Map |
| Wednesday, October 27, 2021 22:11 GMT (4 earthquakes) | |||||
| Oct 27, 2021 7:11 pm (GMT -3) (Oct 27, 2021 22:11 GMT) | 2.9 136 km | 16 km north of Fiambala, Departamento de Tinogasta, Catamarca, Argentina | More | Map | |
| Oct 27, 2021 4:41 pm (GMT -3) (Oct 27, 2021 19:41 GMT) | 2.6 45 km | 293 km (182 mi) | 39 km west of Vallenar, Provincia de Huasco, Atacama, Chile | More | Map |
| Oct 27, 2021 11:38 am (GMT -3) (Oct 27, 2021 14:38 GMT) | 3.3 121 km | 102 km (63 mi) | Departamento de Vinchina, La Rioja, 150 km southeast of Copiapo, Atacama, Chile I FELT IT | More | Map |
| Oct 27, 2021 7:15 am (GMT -3) (Oct 27, 2021 10:15 GMT) | 2.8 115 km | 107 km (66 mi) | 144 km southeast of Copiapo, Atacama, Chile | More | Map |
| Tuesday, October 26, 2021 16:20 GMT (5 earthquakes) | |||||
| Oct 26, 2021 1:20 pm (GMT -3) (Oct 26, 2021 16:20 GMT) | 2.6 117 km | 172 km (107 mi) | Departamento de Vinchina, 194 km west of La Rioja, Departamento de Capital, La Rioja, Argentina | More | Map |
| Oct 26, 2021 12:33 pm (GMT -3) (Oct 26, 2021 15:33 GMT) | 2.7 131 km | 219 km (136 mi) | Departamento de Famatina, 36 km northeast of Chilecito, La Rioja, Argentina | More | Map |
| Oct 26, 2021 3:20 am (GMT -3) (Oct 26, 2021 06:20 GMT) | 2.7 115 km | 116 km (72 mi) | Departamento de Vinchina, 187 km northwest of Chilecito, La Rioja, Argentina | More | Map |
| Oct 25, 2021 10:59 pm (GMT -3) (Oct 26, 2021 01:59 GMT) | 3.0 60 km | 247 km (153 mi) | 92 km southwest of Copiapo, Atacama, Chile I FELT IT | More | Map |
| Oct 25, 2021 10:15 pm (GMT -3) (Oct 26, 2021 01:15 GMT) | 2.5 100 km | 102 km (63 mi) | 60 km west of Tinogasta, Catamarca, Argentina | More | Map |
| Sunday, October 24, 2021 18:42 GMT (5 earthquakes) | |||||
| Oct 24, 2021 3:42 pm (GMT -3) (Oct 24, 2021 18:42 GMT) | 2.7 53 km | 301 km (187 mi) | South Pacific Ocean, 57 km west of Vallenar, Provincia de Huasco, Atacama, Chile | More | Map |
| Oct 24, 2021 1:45 pm (GMT -3) (Oct 24, 2021 16:45 GMT) | 3.1 127 km | 207 km (129 mi) | Departamento de Famatina, 90 km northwest of La Rioja, Departamento de Capital, La Rioja, Argentina I FELT IT | More | Map |
| Oct 24, 2021 4:57 am (GMT -3) (Oct 24, 2021 07:57 GMT) | 3.2 41 km | 220 km (137 mi) | South Pacific Ocean, 73 km west of Diego de Almagro, Provincia de Chanaral, Atacama, Chile I FELT IT | More | Map |
| Oct 24, 2021 3:58 am (GMT -3) (Oct 24, 2021 06:58 GMT) | 2.5 124 km | 125 km (78 mi) | Departamento de Vinchina, La Rioja, 141 km southeast of Copiapo, Atacama, Chile | More | Map |
| Oct 24, 2021 3:21 am (GMT -3) (Oct 24, 2021 06:21 GMT) | 3.2 30 km | 307 km (191 mi) | South Pacific Ocean, 61 km west of Vallenar, Provincia de Huasco, Atacama, Chile I FELT IT | More | Map |
| Saturday, October 23, 2021 19:25 GMT (5 earthquakes) | |||||
| Oct 23, 2021 4:25 pm (GMT -3) (Oct 23, 2021 19:25 GMT) | 2.9 10 km | 65 km (40 mi) | 33 km northwest of Fiambala, Departamento de Tinogasta, Catamarca, Argentina | More | Map |
| Oct 23, 2021 1:25 pm (GMT -3) (Oct 23, 2021 16:25 GMT) | 2.7 41 km | 237 km (147 mi) | 86 km southwest of Copiapo, Atacama, Chile | More | Map |
| Oct 23, 2021 9:36 am (GMT -3) (Oct 23, 2021 12:36 GMT) | 3.1 31 km | 331 km (206 mi) | South Pacific Ocean, 74 km southwest of Vallenar, Provincia de Huasco, Atacama, Chile I FELT IT | More | Map |
| Oct 23, 2021 8:29 am (GMT -3) (Oct 23, 2021 11:29 GMT) | 2.9 124 km | 68 km (42 mi) | Departamento de Tinogasta, Catamarca, 245 km northwest of La Rioja, Departamento de Capital, La Rioja, Argentina | More | Map |
| Oct 23, 2021 2:40 am (GMT -3) (Oct 23, 2021 05:40 GMT) | 2.5 120 km | 80 km (50 mi) | 151 km east of Copiapo, Atacama, Chile | More | Map |
| Friday, October 22, 2021 14:39 GMT (1 earthquake) | |||||
| Oct 22, 2021 11:39 am (GMT -3) (Oct 22, 2021 14:39 GMT) | 2.7 135 km | 186 km (116 mi) | Departamento de Famatina, 71 km north of Chilecito, La Rioja, Argentina | More | Map |
| Thursday, October 21, 2021 06:40 GMT (1 earthquake) | |||||
| Oct 21, 2021 3:40 am (GMT -3) (Oct 21, 2021 06:40 GMT) | 2.9 15 km | 251 km (156 mi) | South Pacific Ocean, Chile | More | Map |
Estimated combined seismic energy released: 3.3 x 1010 joules (9.3 megawatt hours, equivalent to 8 tons of TNT) More info
