MANILA, Philippines – The Philippine Institute of Volcanology and Seismology (PHIVOLCS) has issued a Tsunami Information No. 1 captioned as “Sea-Level Change Monitoring” on July 29, 2021 around 4:00 PM. This is after a magnitude 8.1 earthquake has struck 60 Miles Se of Chignik, Alaska on July 29, 2021 at 2:15 PM. PhiVolcs said that [...]