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Costa Rica · Guanacaste

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

UTC time: 2026-10-17 01:04:55 UTC Local time: —

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About this earthquake

A magnitude M2.8 earthquake was recorded near Sardinal, Guanacaste (Costa Rica) on October 17, 2026 at 01:04 UTC. With a focal depth of about 2 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by EMSC. Costa Rica: over the past 24 hours, QuakeMap24 logged 6 earthquakes, the strongest at M3.4.

Details

ID
5f8ccd79cda37dda5cf9b3f65ed72469bcff198a
Magnitude
M2.8
Depth
2.0 km
UTC time
2026-10-17 01:04:55 UTC
Local time
—
Country
Costa Rica
State
Guanacaste
City
Sardinal
County
Carrillo
Village
Sardinal
Source
emsc
Coordinates
10.52470, -85.75040
Temperature
29.6°C

Depth profile

Depth profile Depth: 2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 2 km
Shallow
2 km
2 km — shallower than 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

  • Rincon de la Vieja Activity reported
    Distance: 57 km ·Complex ·Elevation: 1'729 m ·Last eruption: 2024 ·Costa Rica
  • Orosi
    Distance: 59 km ·Stratovolcano(es) ·Elevation: 1'659 m ·Costa Rica
  • Miravalles
    Distance: 70 km ·Stratovolcano ·Elevation: 2'028 m ·Last eruption: 1946 ·Costa Rica
  • Tenorio
    Distance: 82 km ·Stratovolcano(es) ·Elevation: 1'916 m ·Costa Rica
  • Concepcion
    Distance: 114 km ·Stratovolcano ·Elevation: 1'700 m ·Last eruption: 2024 ·Nicaragua
  • Arenal
    Distance: 115 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
    23.8 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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