Costa Rica – Osa

This page summarizes earthquakes in Osa (Costa Rica). The most recently recorded event was a magnitude M3.7 earthquake near Sierpe on 2026-06-15 15:37:30 UTC. All event lists and map markers are limited to the last 30 days.

Earthquakes (last 30 days)
8
Max magnitude (last 30 days)
M4.7
Avg magnitude (last 30 days)
M3.33
Avg depth (last 30 days)
21 km
Seismic activity in 2026

In 2026, Osa recorded 14 earthquakes within Costa Rica. The average magnitude was M3.19. The strongest event reached M4.7.

Map (last 30 days)
< 2 2–4 4–5 ≥ 5
Earthquakes in Osa (last 30 days)
M3.7
Sierpe
2026-06-15 · 15:37 UTC · 22 km
›
M2.6
Sierpe
2026-06-14 · 21:46 UTC · 22 km
›
M2.5
Alto Laguna
2026-05-26 · 07:04 UTC · 8 km
›
M2.6
Piedras Blancas
2026-05-24 · 16:46 UTC · 33 km
›
M4.5
Sierpe
2026-05-22 · 09:20 UTC · 38 km
›
M4.7
Palmar
2026-05-22 · 09:20 UTC · 24 km
›
M2.8
Sierpe
2026-05-20 · 05:07 UTC · 10 km
›
M3.2
Sierpe
2026-05-18 · 12:31 UTC · 10 km
›