Earthquake · Reviewed by USGS
M4.0 earthquake 37 km ENE of Palca, Peru
A magnitude 4.0 earthquake struck 37 km ENE of Palca, Peru at Dec 20, 2025, 19:25 UTC, at a depth of 159 km. The epicentre was 78 km (49 mi) NE of Tacna.
Details
| Magnitude | 4.0 mb |
|---|---|
| Time | Dec 20, 2025, 19:25 UTC |
| Depth | 159.3 km |
| Coordinates | -17.598, -69.658 |
| Felt reports | 0 |
| Tsunami flag | None |
| Source | USGS event page |
02 — Around it
Other earthquakes within 100 km
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 4.1 | 75 km ESE of Palca, Peru | 68 km / 42 mi | depth 151 km | |
| 4.3 | 1 km E of Camilaca, Peru | 84 km / 52 mi | depth 127 km | |
| 4.7 | 57 km SE of Palca, Peru | 68 km / 42 mi | depth 113 km | |
| 4.5 | 59 km ENE of Palca, Peru | 23 km / 14 mi | depth 144 km | |
| 4.2 | 35 km ESE of Chuquitira, Peru | 28 km / 17 mi | depth 158 km | |
| 4.6 | 72 km SE of Palca, Peru | 77 km / 48 mi | depth 10 km | |
| 4.3 | 33 km ENE of Palca, Peru | 4 km / 3 mi | depth 145 km | |
| 4.4 | 21 km ESE of Mazo Cruz, Peru | 84 km / 52 mi | depth 177 km | |
| 4.9 | 13 km NW of Palca, Peru | 42 km / 26 mi | depth 133 km | |
| 4.2 | 27 km S of Mazo Cruz, Peru | 68 km / 42 mi | depth 182 km | |
| 4.4 | 27 km SE of Palca, Peru | 44 km / 27 mi | depth 134 km | |
| 4.3 | 6 km WNW of Sama Grande, Peru | 97 km / 60 mi | depth 94 km | |
| 4.3 | 40 km E of Estique, Peru | 5 km / 3 mi | depth 167 km | |
| 4.8 | 40 km E of Palca, Peru | 17 km / 11 mi | depth 139 km | |
| 4.9 | 76 km E of Arica, Chile | 87 km / 54 mi | depth 109 km | |
| 4.2 | 35 km ESE of Calana, Peru | 60 km / 38 mi | depth 131 km | |
| 4.3 | 46 km SSE of Palca, Peru | 61 km / 38 mi | depth 115 km | |
| 4.4 | 7 km W of Totoral, Peru | 85 km / 53 mi | depth 127 km | |
| 4.2 | 83 km SE of Palca, Peru | 83 km / 51 mi | depth 138 km | |
| 4.6 | 18 km ENE of Sama Grande, Peru | 73 km / 46 mi | depth 109 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.