West Valley Fault
🔴 ActivePart of the Marikina Valley Fault System, running along the western edge of the Marikina Valley. It passes through densely populated areas of Metro Manila.
100km long
M7.2Max historical
2Provinces
Is the West Valley Fault dangerous?
Yes — a major active fault
The West Valley Fault is an active fault running roughly 100 km and crossing 2 provinces. Part of the Marikina Valley Fault System, running along the western edge of the Marikina Valley. It passes through densely populated areas of Metro Manila. It is considered capable of earthquakes up to about M7.2.
Affected Provinces
Metro ManilaRizal
Cities Near This Fault
FAQ
West Valley Fault: frequently asked questions
Is the West Valley Fault dangerous?+
The West Valley Fault is an active fault running roughly 100 km and crossing 2 provinces. Part of the Marikina Valley Fault System, running along the western edge of the Marikina Valley. It passes through densely populated areas of Metro Manila. It is considered capable of earthquakes up to about M7.2.
How large an earthquake can the West Valley Fault produce?+
Based on its history and mapped length (~100 km), the West Valley Fault is considered capable of earthquakes up to about magnitude 7.2.
When did the West Valley Fault last produce a major earthquake?+
No specific major event is recorded for the West Valley Fault in our dataset, but active fault can still generate damaging earthquakes.
Which areas does the West Valley Fault affect?+
The West Valley Fault crosses or borders 2 provinces: Metro Manila, Rizal. The nearest major cities include Parañaque, Quezon City, Mandaluyong, San Juan, Makati.