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The powerful magnitude 7.4 earthquake that struck Davao Oriental on Friday morning, Oct. 10 was generated by the Philippine Trench, one of six active trenches that surround the country, the Philippine Institute of Volcanology and Seismology (Phivolcs) said. (Video courtesy of DOST-PHIVOLCS)

READ: https://mb.com.ph/2025/10/10/davao-oriental-quake-generated-by-philippine-trench-says-phivolcs

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Transcript
00:00And again, we have different trenches around the Philippines. We have six active trenches.
00:06We have the negros trench. The Philippine trench is the one that produced this one.
00:17Okay, so we have the negros trench.
00:30Okay, so first we have the East Luzon Trap on the northeastern side of the Philippines.
00:45So we have the East Luzon Trap. We have the Philippine Tren, the Manila Tren, Negros Tren,
00:54through trench, and then for the battle trench. And my segmentation, so each segment is capable of
01:02we have our modeling and each segment that may generate earthquakes.
01:14Okay, so this is from our, we have historical earthquakes on that area.
01:19And based on our historical records, we have the Manila Tren 8.3 event in 1924,
01:33almost on the same area where the, no, it's 1992, we have the Manila Tren 7.1 also, almost on the same
01:41area where the Manila Tren 7.4 event happened. We also have another event in 1921, again, Manila Tren 7.5.
01:50We have another event in 1929, Manila Tren 7.2. This is all along the Philippine Trens.
01:56And then we also have another one in 1952, Manila Tren 7.6. And in 1924, Manila Tren 8.3.
02:11This is all along the ê´‘pia, Manila Tren 7.6. And in 1924, Manila Tren 8.4. And the Manila Tren 8.5, Manila Tren 8.1.
02:28Now in 1924, Manila Tren 8.6. And in 1928, Manila Tren 8.5, Manila Tren 8.7.
02:32Manila Tren 8.7.
02:34Manila Tren 8.7.
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