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Fault Lines/Cotabato Trench

Cotabato Trench

๐Ÿ”ด Active

A submarine trench located in the Celebes Sea, south of Mindanao. It is a subduction zone where the Celebes Sea Plate subducts under the Sunda Plate.

500km long
M7.8Max historical
4Provinces

Is the Cotabato Trench dangerous?

Yes โ€” a major active fault

The Cotabato Trench is an active fault running roughly 500 km and crossing 4 provinces. A submarine trench located in the Celebes Sea, south of Mindanao. It is a subduction zone where the Celebes Sea Plate subducts under the Sunda Plate. It is considered capable of earthquakes up to about M7.8.

Location

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Recent Earthquakes Near This Fault

4.4mb

26 km WSW of Balangonan, Philippines

10 km deep
4.8mb

8 km SE of Sarangani, Philippines

66 km deep
3.1m

KEPULAUAN SANGIHE, INDONESIA

7 km deep
5.5mww

17 km SW of Burias, Philippines

52 km deep
15 felt it
3.1m

KEPULAUAN SANGIHE, INDONESIA

169 km deep
4.6mb

54 km S of Sarangani, Philippines

10 km deep
3.0m

KEPULAUAN SANGIHE, INDONESIA

15 km deep

FAQ

Cotabato Trench: frequently asked questions

Is the Cotabato Trench dangerous?+

The Cotabato Trench is an active fault running roughly 500 km and crossing 4 provinces. A submarine trench located in the Celebes Sea, south of Mindanao. It is a subduction zone where the Celebes Sea Plate subducts under the Sunda Plate. It is considered capable of earthquakes up to about M7.8.

How large an earthquake can the Cotabato Trench produce?+

Based on its history and mapped length (~500 km), the Cotabato Trench is considered capable of earthquakes up to about magnitude 7.8.

When did the Cotabato Trench last produce a major earthquake?+

No specific major event is recorded for the Cotabato Trench in our dataset, but active fault can still generate damaging earthquakes.

Which areas does the Cotabato Trench affect?+

The Cotabato Trench crosses or borders 4 provinces: South Cotabato, Sultan Kudarat, Maguindanao, Davao del Sur. The nearest major cities include General Santos, Lamitan, Isabela City.