M5.0 Earthquake 45 km SSE of Quepos, Costa Rica — September 10, 2026
2026-09-10 08:26:53 UTC (1 hour ago) · approx. 2:26 AM UTC-6 local
On September 10, 2026 at 08:26 UTC, a magnitude 5.0 shallow crustal earthquake struck 45 km SSE of Quepos, Costa Rica, at a depth of 10.0 km and coordinates 9.0275°, -84.0624°. This earthquake was detected by 67 seismic stations with good location accuracy and was assigned a USGS significance rating of 385, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 5.0 releases seismic energy equivalent to roughly 477 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.7 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-84.0624°E
Technical Information
Common Questions
How strong was the magnitude 5.0 earthquake near Quepos, Costa Rica?
The magnitude 5.0 earthquake that struck 45 km SSE of Quepos, Costa Rica on September 10, 2026 at 08:26 UTC had a depth of 10.0 km. For context, this was a moderate earthquake that could be widely felt.
Where did the earthquake occur?
The earthquake epicenter was located at 9.0275°, -84.0624°, which is 45 km SSE of Quepos, Costa Rica.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.0 earthquakes can continue for days to weeks and gradually diminish over time.
Authoritative source: USGS event page (event ID: us7000tg98). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, September 10, 2026). M5.0 Earthquake 45 km SSE of Quepos, Costa Rica — September 10, 2026. Retrieved September 10, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000tg98/