earthquake
- 2021.11.28: Earthquake Information of 42 km NNW of Barranca, Peru
- 2021.11.29: Earthquake Information of 203 km SSW of Padang, Indonesia
- 2021.12.03: Earthquake Information of 237 km S of ‘Ohonua, Tonga
- 2021.12.05: Earthquake Information of 71 km NNW of Jayapura, Indonesia
- 2021.11.30: Earthquake Information of 112 km SSE of Kavieng, Papua New Guinea
- 2021.12.01: Earthquake Information of 24 km SW of Cañete, Chile
- 2021.12.02: Earthquake Information of 76 km ENE of Namie, Japan
- 2021.12.06: Earthquake Information of 290 km SSW of Xining, China
- 2021.12.07: Earthquake Information of 83 km WSW of Arica, Chile
- 2021.12.04: Earthquake Information of 184 km ESE of Kandrian, Papua New Guinea