earthquake
- 2021.10.22: Earthquake Information of 67 km SSW of Dampit, Indonesia
- 2021.10.23: Earthquake Information of 16 km E of Chiguayante, Chile
- 2021.10.24: Earthquake Information of 21 km SSE of Yilan, Taiwan
- 2021.10.25: Earthquake Information of 120 km SSE of Kokopo, Papua New Guinea
- 2021.10.26: Earthquake Information of 112 km ESE of Namie, Japan
- 2021.10.27: Earthquake Information of 258 km SSE of Ambon, Indonesia
- 2021.10.28: Earthquake Information of 2 km SSW of Chiba, Japan
- 2021.10.29: Earthquake Information of 20 km W of Coracora, Peru
- 2021.10.30: Earthquake Information of 74 km WNW of Basco, Philippines
- 2021.10.31: Earthquake Information of 43 km SSE of Tanabe, Japan
