So? It only moves every 400–600 years. The Marikina Fault is a strike-slip fault within a convergent plate boundary. The last major movement was 400 years ago; CHRISTINE JOY ALICER 10 - DYNAMISM; RIMANDO, R. E., & KNUEPFER, P. L. K. (2006). NEOTECTONICS OF THE MARIKINA VALLEY FAULT SYSTEM (MVFS) AND TECTONIC FRAMEWORK OF STRUCTURES IN NORTHERN AND CENTRAL LUZON, PHILIPPINES. TECTONOPHYSICS, 415(1–4), 17–38. HTTPS://DOI.ORG/10.1016/J.TECTO.2005.12.006