Interseismic Megathrust Coupling at the Osa Peninsula, Costa Rica

• Published in: Journal of geophysical research. Solid earth Vol. 130; no. 7
• Main Authors: Perry, Mason, Muller, Cyril, Protti, Marino, Feng, Lujia, Hill, Emma M.
• Format: Journal Article
• Language: English
• Published: 01.07.2025
• Subjects: earthquake; geodesy; megathrust coupling; slow slip event

At the Osa Peninsula in southern Costa Rica, magnitude >7 earthquakes have been generated along the Middle American trench in 1904, 1941, and 1983 following a ∼40‐year recurrence interval, suggesting a rupture may be impending. However, regional interseismic coupling remains poorly constrained, l...