earthquake
- 2020.04.08: Earthquake Information of 115km WNW of Naha-shi, Japan
- 2020.04.12: Earthquake Information of 26km W of Rabaul, Papua New Guinea
- 2020.04.13: Earthquake Information of 45km NW of Namlea, Indonesia
- 2020.04.14: Earthquake Information of Off the coast of Aisen, Chile
- 2020.04.15: Earthquake Information of 67km NNW of Iquique, Chile
- 2020.04.16: Earthquake Information of 38km WSW of Canete, Chile
- 2020.04.17:Earthquake Information of 232km S of Kokopo, Papua New Guinea
- 2020.04.18: : Earthquake Information of 209km W of Chichi-shima, Japan
- 2020.04.19: :Earthquake Information of 25km SE of Ofunato, Japan
- 2020.04.23: Earthquake Information of 61km ENE of Mutsu, Japan