THE PHILIPPINE FAULT SYSTEM AND TRENCHES

Question 1

The Philippine archipelago lies along the ——— where tectonic forces are most active.

Answer 1

Pacific Ring of Fire

Question 2

A system of ——— faults that run from North to South is created in the whole archipelago

Answer 2

interconnected

Question 3

This is a system of faults caused by tectonic forces that compress the archipelago into geophysicist calls.

Answer 3

PHILIPPINE MOBILE BELT

Question 4

It is being pushed on both east and west, by the Philippine Sea Plate in the east and the Eurasian Plate in the west.

Answer 4

PHILIPPINE MOBILE BELT

Question 5

It is formed as a result of the moving of the Eurasian Plate beneath the Philippine Sea Plate

Answer 5

PHILIPPINE TRENCH

Question 6

The main fault runs through almost all parts of the country and is called the

Answer 6

PHILIPPINE FAULT SYSTEM

Question 7

Located in the western part of the Philippines is the 1200 km ——— which is a strike-slip fault composed of the:

Answer 7

PHILIPPINE FAULT ZONE

Question 8

Located in the western part of the Philippines is the 1200 km PHILIPPINE FAULT ZONE which is a strike-slip fault composed of the:

Answer 8

• Manila Trench
• Negros Trench
• Sulu Trench

Question 9

It extends from northwestern Luzon to southeastern Mindanao where earthquakes of larger magnitude originate.

Answer 9

PHILIPPINE FAULT ZONE

Question 10

Seismic activity is observed all over the country except in ———.

Answer 10

Palawan

Question 11

are high risk to earthquakes due to Manila Trench

Answer 11

La Union and Pangasinan

Question 12

are also prone to earthquakes because of the Philippine Trench and active faults near the area.

Answer 12

Surigao del Sur and Davao