3 quakes shake up Saturday in Luzon

AT least 10 earthquakes shook Batangas province, including two strong quakes that struck only two minutes apart on Saturday afternoon, according to the Philippine Institute of Volcanology and Seismology.

The United States Geological Survey also detected the two strong quakes but differed on the location of the epicenter and the depth of the tectonic quakes.

According to Phivolcs’ Seismological Observation and Earthquake Prediction Division, the two strong quakes were preceded by eight weaker ones that are deemed aftershocks of the magnitude-5.5 quake that struck Tingloy, Batangas last April 4. 

Quake scare. Office workers evacuate their offices at the King’s Court complex in Makati City after the first two of three earthquakes struck off Batangas after 3 p.m. Saturday. AFP
The first of the two latest tectonic quakes struck around 3:07 p.m. with a magnitude of 5.6 and originating at 13.75°N, 120.93°E, one kilometer west of Mabini town.

The stronger second quake struck at 3:09 p.m. and was measured at Magnitude 6.0 with an epicenter at 13.81°N, 120.84°E, also one kilometer west of Mabini town. 

A third earthquake, measuring Magnitude 4.7, struck at 4:36 p.m. at 13.84°N, 120.49°E, 15 km northwest of Calatagan town. 

The first two earthquakes was felt at Intensity VII in Mabini, Intensity VI in the towns of Calatagan, Nasugbu and Tingloy, Intensity V in Batangas City, Sto. Tomas and Lemery in Batangas and Tagaytay City and Intensity IV in Dasmarinas, Cavite and Lucena City in Quezon.

They were also felt at Intensity IV in Pateros City; Intensity III in Makati City, Pasay City, Quezon City, Muntinlupa City, Malabon City, Mandaluyong City and Bacoor, Cavite.

Topics: earthquakes , Batangas province , Philippine Institute of Volcanology and Seismology , Phivolcs
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