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Costa Rica · Guanacaste

M2.8 Earthquake near Nacascolo, Guanacaste (Costa Rica)

UTC time: 2026-10-17 22:04:55 UTC Local time: —

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About this earthquake

A magnitude M2.8 earthquake was recorded near Nacascolo, Guanacaste (Costa Rica) on October 17, 2026 at 22:04 UTC. With a focal depth of about 27 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by EMSC and cross-checked across seismological networks. Costa Rica: 2 earthquakes were recorded in the past 24 hours, the strongest reaching M2.9.

Details

ID
30493705d30949e75ed80d15a3676f9e9b7320f6
Magnitude
M2.8
Depth
27.0 km
UTC time
2026-10-17 22:04:55 UTC
Local time
—
Country
Costa Rica
State
Guanacaste
City
Nacascolo
County
Liberia
Source
emsc
Coordinates
10.81500, -85.57400
Temperature
24.2°C

Depth profile

Depth profile Depth: 27 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 27 km
Shallow
27 km
27 km — close to the regional average (25.9 km)
Regional average: 25.9 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Orosi
    Distance: 21 km ·Stratovolcano(es) ·Elevation: 1'659 m ·Costa Rica
  • Rincon de la Vieja Activity reported
    Distance: 26 km ·Complex ·Elevation: 1'729 m ·Last eruption: 2024 ·Costa Rica
  • Miravalles
    Distance: 47 km ·Stratovolcano ·Elevation: 2'028 m ·Last eruption: 1946 ·Costa Rica
  • Tenorio
    Distance: 63 km ·Stratovolcano(es) ·Elevation: 1'916 m ·Costa Rica
  • Concepcion
    Distance: 81 km ·Stratovolcano ·Elevation: 1'700 m ·Last eruption: 2024 ·Nicaragua
  • Arenal
    Distance: 103 km ·Stratovolcano ·Elevation: 1'670 m ·Last eruption: 2010 ·Costa Rica

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Daniel Oduber Quirós International AirportCosta Rica · LIR · MRLB
    24.9 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Guanacaste

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 81 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · Costa Rica

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Costa Rica

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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