earthquake
- 2021.04.30: Earthquake Information of 96 km NNW of La Serena, Chile
- 2021.05.01: Earthquake Information of 38 km ESE of Ishinomaki, Japan
- 2021.04.28: Earthquake Information of 106 km WNW of Tual, Indonesia
- 2021.04.29: Earthquake Information of 15 km S of Las Cañas, Mexico
- 2021.05.02: Earthquake Information of 31 km SW of Coquimbo, Chile
- 2021.05.03: Earthquake Information of northern Qinghai, China
- 2021.05.04: Earthquake Information of 9 km WNW of Yonakuni, Japan
- 2021.05.05: Earthquake Information of 137 km SSW of Padang, Indonesia
- 2021.05.15: Earthquake Information of 100 km NE of Hasaki, Japan
- 2021.05.06: Earthquake Information of 2 km N of Bansalan, Philippines
