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Costa Rica · San Jose Province

M3.4 Earthquake near Barú, San Jose Province (Costa Rica)

UTC time: 2026-10-17 04:50:40 UTC Local time: —

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About this earthquake

On October 17, 2026 at 04:50 UTC, a magnitude M3.4 earthquake occurred near Barú, San Jose Province (Costa Rica). With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC. Costa Rica: 6 earthquakes were recorded in the past 24 hours, the strongest reaching M3.4.

Details

ID
600867e5720831865586cbf483a484b1b76c6d00
Magnitude
M3.4
Depth
10.0 km
UTC time
2026-10-17 04:50:40 UTC
Local time
—
Country
Costa Rica
State
San Jose Province
City
Barú
County
Pérez Zeledón
Source
emsc
Coordinates
9.40100, -83.89160
Temperature
22.3°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 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

  • Irazu
    Distance: 64 km ·Stratovolcano ·Elevation: 3'436 m ·Last eruption: 1977 ·Costa Rica
  • Turrialba
    Distance: 71 km ·Stratovolcano ·Elevation: 3'340 m ·Last eruption: 2022 ·Costa Rica
  • Barva
    Distance: 85 km ·Complex ·Elevation: 2'906 m ·Last eruption: -6050 ·Costa Rica
  • Poas Activity reported
    Distance: 96 km ·Stratovolcano ·Elevation: 2'697 m ·Last eruption: 2026 ·Costa Rica
  • Platanar
    Distance: 113 km ·Stratovolcano(es) ·Elevation: 2'267 m ·Costa Rica
  • Arenal
    Distance: 148 km ·Stratovolcano ·Elevation: 1'670 m ·Last eruption: 2010 ·Costa Rica

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Quepos Managua AirportCosta Rica · XQP · MRQP
    26.5 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

Costa Rica

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 393 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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