The director of the Philippine Institute of Volcanology and Seismology (PHIVOLCS), Mr. Teresito Bacolcol, said that 1,583 aftershocks were recorded at 5:00 a.m. on December 4 (local time).
The tsunami warning issued after the 7.6-magnitude earthquake on December 2 has been lifted, but PHIVOLCS still recommends that people be cautious when returning to their normal lives.
In a statement, PHIVOLCS advised people living in communities at risk of tsunamis to pay attention and follow the instructions of local authorities.
According to the head of PHIVOLCS, the Philippines has 6 trenches and 175 active faults, so there is always the possibility of an accident.
"The Philippines is part of the Pacific Ring of Fire, so there is a possibility that earthquakes, active faults and volcanoes can occur simultaneously," said Bacolcol.
Also early on December 4, the United States Geological Survey (USGS) recorded a magnitude 6.9 earthquake off the southern coast of the Philippines. This is the latest in a series of strong earthquakes that have occurred in the area in recent days. The earthquake had a focal depth of 30km, occurring 72km northeast of Hinatuan city on Mindanao island.
"The earthquake happened quickly, lasting about 6 seconds but the shaking was quite strong," AFP news agency quoted an official.
"Last night, everyone was scared. But this morning, because they had experienced a similar earthquake, they calmly left their houses and stayed outside for about an hour," he said.
Thus, the Philippines has had 3 consecutive days of major earthquakes. Specifically, the earthquake on Saturday (December 2) was 7.6 magnitude; the earthquake on Sunday (December 3) was 6.6 magnitude and the earthquake on Monday (December 4) was 6.9 magnitude. It is known that at least 2 people were killed and several others were injured after the earthquake on December 2.
Minh Hoa (reported by Tuoi Tre, Vietnam+)
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