earthquake
- 2021.09.30: Earthquake Information of 61 km ENE of Ishinomaki, Japan
- 2021.10.01: Earthquake Information of 205 km NNE of Shi Yomi, India
- 2021.10.02: Earthquake Information of 116 km SSW of Panguna, Papua New Guinea
- 2021.10.03: Earthquake Information of 148 km SE of Katsuura, Japan
- 2021.10.04: Earthquake Information of 80 km ESE of Amahai, Indonesia
- 2021.10.08: Earthquake Information of 85 km WNW of Meulaboh, Indonesia
- 2021.10.05: Earthquake Information of 54 km NNE of Miyako, Japan
- 2021.10.06: Earthquake Information of 15 km NNE of Harnai, Pakistan
- 2021.10.07: Earthquake Information of 4 km WSW of Chiba, Japan
- 2021.10.09: Earthquake Information of 6 km WNW of Madrigal, Peru
