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Costa Rica · Cartago Province

M2.8 Earthquake near Llano Grande, Cartago Province (Costa Rica)

UTC time: 2026-09-20 12:56:02 UTC Local time: —
Magnitude
M2.8
Depth
4.0 km
Source
EMSC

Cartago Province · Llano Grande

Country overview

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About this earthquake

On September 20, 2026 at 12:56 UTC, a magnitude M2.8 earthquake occurred near Llano Grande, Cartago Province (Costa Rica). With a focal depth of about 4 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: 5 earthquakes were recorded in the past 24 hours, the strongest reaching M2.8.

Details

ID
374ade1022f9806001c2641cc448ed0f89b3ab85
Magnitude
M2.8
Depth
4.0 km
UTC time
2026-09-20 12:56:02 UTC
Local time
—
Country
Costa Rica
State
Cartago Province
City
Llano Grande
County
Cartago
Village
Llano Grande
Source
emsc
Coordinates
9.95750, -83.88380
Temperature
23.1°C

Depth profile

Depth profile Depth: 4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 4 km
Shallow
4 km
4 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: 4 km ·Stratovolcano ·Elevation: 3'436 m ·Last eruption: 1977 ·Costa Rica
  • Turrialba
    Distance: 15 km ·Stratovolcano ·Elevation: 3'340 m ·Last eruption: 2022 ·Costa Rica
  • Barva
    Distance: 31 km ·Complex ·Elevation: 2'906 m ·Last eruption: -6050 ·Costa Rica
  • Poas Activity reported
    Distance: 47 km ·Stratovolcano ·Elevation: 2'697 m ·Last eruption: 2026 ·Costa Rica
  • Platanar
    Distance: 65 km ·Stratovolcano(es) ·Elevation: 2'267 m ·Costa Rica
  • Arenal
    Distance: 106 km ·Stratovolcano ·Elevation: 1'670 m ·Last eruption: 2010 ·Costa Rica

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

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

Source: OurAirports · Dataset date: 2026-09-20

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

20 Sep 2025 – 20 Sep 2026 · M ≥ 2.0 · 784 Catalogue entries

Of 783 other entries for this area and period, 452 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

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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