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Costa Rica · Alajuela Province

M3.1 Earthquake near San Pedro, Alajuela Province (Costa Rica)

UTC time: 2026-10-28 00:53:39 UTC Local time: —

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About this earthquake

A magnitude M3.1 earthquake was recorded near San Pedro, Alajuela Province (Costa Rica) on October 28, 2026 at 00:53 UTC. The hypocenter lay relatively close to the surface at around 9 km, increasing how strongly it was felt. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC. Costa Rica: 12 earthquakes were recorded in the past 24 hours, the strongest reaching M3.8.

Details

ID
a4f10d232337004f5f0164aa7f9cb236c22b8955
Magnitude
M3.1
Depth
9.0 km
UTC time
2026-10-28 00:53:39 UTC
Local time
—
Country
Costa Rica
State
Alajuela Province
City
San Pedro
County
Poás
Source
emsc
Coordinates
10.07320, -84.25550
Temperature
20.2°C

Depth profile

Depth profile Depth: 9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 9 km
Shallow
9 km
9 km — shallower than the regional average (26 km)
Regional average: 26 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

Felt reports

10felt reports at EMSC / LastQuake

Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.

Data updated: Oct 28, 2026, 1:28 AM UTC · Last checked: Nov 13, 2026, 6:37 PM UTC

Source: EMSC / LastQuake

Volcanoes nearby

  • Poas Activity reported
    Distance: 14 km ·Stratovolcano ·Elevation: 2'697 m ·Last eruption: 2026 ·Costa Rica
  • Barva
    Distance: 18 km ·Complex ·Elevation: 2'906 m ·Last eruption: -6050 ·Costa Rica
  • Platanar
    Distance: 28 km ·Stratovolcano(es) ·Elevation: 2'267 m ·Costa Rica
  • Irazu
    Distance: 45 km ·Stratovolcano ·Elevation: 3'436 m ·Last eruption: 1977 ·Costa Rica
  • Turrialba
    Distance: 54 km ·Stratovolcano ·Elevation: 3'340 m ·Last eruption: 2022 ·Costa Rica
  • Arenal
    Distance: 65 km ·Stratovolcano ·Elevation: 1'670 m ·Last eruption: 2010 ·Costa Rica

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Juan Santamaría International AirportCosta Rica · SJO · MROC
    10.2 kmStraight-line distance
  • Tobías Bolaños International AirportCosta Rica · SYQ · MRPV
    18.1 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-11-13

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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