Earthquake
- 2021.12.16: Earthquake Information of 277 km S of Ambon, Indonesia
- 2021.12.10: Earthquake Information of 146 km SE of Pondaguitan, Philippines
- 2021.12.11: Earthquake Information of 39 km N of La Serena, Chile
- 2021.12.21: Earthquake Information of 19 km NE of Banos, Philippines
- 2021.12.23: Earthquake Information of 111 km N of Lae, Papua New Guinea
- 2021.12.14: Earthquake Information of 114 km N of Maumere, Indonesia
- 2021.12.12: Earthquake Information of 155 km ESE of Hirara, Japan
- 2021.12.09: Earthquake Information of 76 km S of Kokopo, Papua New Guinea
- 2021.12.20: Earthquake Information of Kermadec Islands, New Zealand
- 2021.12.26: Earthquake Information of 75 km SE of Gorontalo, Indonesia