How many active trenches are there in the Philippines name them?
There are five active fault lines in the country namely the Western Philippine Fault, the Eastern Philippine Fault, the South of Mindanao Fault, Central Philippine Fault and the Marikina/Valley Fault System.
What is the longest fault line in the Philippines?
Based on the Phivolcs findings, Deloso said the fault in Davao Oriental approximately 30 kilometers long is connected to the Philippine Fault line – the longest fault in the Philippines that stretches up to 1,200 kilometers from Luzon down to Mindanao.
Is Mariana Trench dangerous?
The depth of the Mariana Trench makes it one of the deadliest places on the planet. Forever covered in darkness, water temperature is below 0 degree Celsius. What makes it near impossible for life as we know it to exist is the extreme water pressure. 8 tonnes per square inch increases with depth.