Tag page - doublet earthquake

The Philippine Institute of Volcanology and Seismology (Phivolcs) on Saturday, October 11, reported that 824 aftershocks were recorded following the magnitude 7.4 and 6.8 offshore earthquakes that struck Davao Oriental on October 10. In its latest advisory, Phivolcs said 346 aftershocks were...

The Philippine Institute of Volcanology and Seismology (Phivolcs) recorded a total of 792 aftershocks as of Saturday morning, October 11, following the powerful magnitude 7.4 and 6.8 earthquakes that struck offshore Davao Oriental on October 10. Of the total aftershocks, 331 have been plotted,...

The Philippine Institute of Volcanology and Seismology (Phivolcs) said the two strong earthquakes that struck Davao Oriental on Friday, Oct. 10, a magnitude 7.4 and a magnitude 6.8, may be considered a “doublet earthquake.” “These are distinct earthquakes in almost the same area, with two (or...

Phivolcs Two earthquakes with magnitudes 5.3 and 4.9 struck Quezon province consecutively on Wednesday, Sept. 4, in a seismic event known as a “doublet.” Phivolcs said the 5.3-magnitude earthquake, which occurred at 7:16 a.m., was followed by a 4.9-magnitude tremor at 7:55 a.m., with both...