Update: 5.6 magnitude earthquake reported close to Tamarindo, Costa Rica on Sept. 30

Published Oct 1, 2026

SANTA CRUZ, Guanacaste Province — A 5.6 magnitude quake hit near Tamarindo on Wednesday afternoon, according to the U.S. Geological Survey.

The USGS reported a tremor in the region at 21:55 UTC (15:55 local time). The epicenter was about 94 km southwest of Tamarindo, at a depth of 8 km.

Did you feel it?

If you felt the earthquake, you can share your experience using the USGS Felt Report form.

Impact and estimated losses

The USGS categorized this as a Green Alert, which means there is a low likelihood of casualties and damage. Recent earthquakes in this area have caused secondary hazards such as landslides and liquefaction that might have contributed to losses.

Structure information summary

Overall, the population in this region resides in structures that are highly vulnerable to earthquake shaking, though some resistant structures exist. The predominant vulnerable building types are mud wall and adobe block construction.

Source: The U.S. Geological Survey