Sismo M4.9 — 10 km NNW of Cot, Costa Rica

A magnitude 4.9 earthquake occurred approximately 10 km north-northwest of Cot, Costa Rica on August 24, 2026 at 07:37 UTC, with a depth of 10 km. The tremor has been felt across a radius of about 100 km, with 59 felt reports recorded. Seismic activity in the area remains active.

If you are on site, expect possible aftershocks in the coming hours and days. Depending on your exact location within the affected radius, you may experience continued ground movement. Check your immediate surroundings for any structural damage or hazards, and move away from unstable buildings or objects that could fall.

Follow instructions from local authorities and emergency services. If you are in a building, remain in a safe location away from windows and heavy objects. Listen to official updates from Costa Rican civil protection authorities for guidance on evacuation or shelter-in-place measures. For any health concerns, contact local medical services. This alert is based on data from EMSC and USGS.