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Costa Rica · Puntarenas Province

M3.5 Earthquake near Piedras Blancas, Puntarenas Province (Costa Rica)

UTC time: 2026-10-06 16:10:26 UTC Local time: —
Magnitude
M3.5
Depth
14.0 km
Source
EMSC

Puntarenas Province · Piedras Blancas

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About this earthquake

On October 6, 2026 at 16:10 UTC, a magnitude M3.5 earthquake occurred near Piedras Blancas, Puntarenas Province (Costa Rica). With a focal depth of about 14 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Costa Rica: over the past 24 hours, QuakeMap24 logged 5 earthquakes, the strongest at M3.5.

Details

ID
8ae218d1c1f3f44c4f53b2593f65d60ac4753bbc
Magnitude
M3.5
Depth
14.0 km
UTC time
2026-10-06 16:10:26 UTC
Local time
—
Country
Costa Rica
State
Puntarenas Province
City
Piedras Blancas
County
Osa
Village
Piedras Blancas
Source
emsc
Coordinates
8.75310, -83.20190
Temperature
25.8°C

Depth profile

Depth profile Depth: 14 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 14 km
Shallow
14 km
14 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

  • Baru
    Distance: 73 km ·Stratovolcano ·Elevation: 3'474 m ·Last eruption: 1550 ·Panama
  • Irazu
    Distance: 154 km ·Stratovolcano ·Elevation: 3'436 m ·Last eruption: 1977 ·Costa Rica
  • Turrialba
    Distance: 154 km ·Stratovolcano ·Elevation: 3'340 m ·Last eruption: 2022 ·Costa Rica
  • Barva
    Distance: 183 km ·Complex ·Elevation: 2'906 m ·Last eruption: -6050 ·Costa Rica
  • Poas Activity reported
    Distance: 197 km ·Stratovolcano ·Elevation: 2'697 m ·Last eruption: 2026 ·Costa Rica
  • Platanar
    Distance: 214 km ·Stratovolcano(es) ·Elevation: 2'267 m ·Costa Rica

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Golfito AirportCosta Rica · GLF · MRGF
    11.2 kmStraight-line distance
  • Puerto Jimenez AirportCosta Rica · PJM · MRPJ
    26.7 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

Puntarenas Province

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 42 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

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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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