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Guatemala · San Marcos

M3.9 Earthquake near San Isidro, San Marcos (Guatemala)

UTC time: 2026-07-18 09:51:37 UTC Local time: —

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About this earthquake

On July 18, 2026 at 09:51 UTC, a magnitude M3.9 earthquake occurred near San Isidro, San Marcos (Guatemala). The earthquake originated at an intermediate depth of about 137 km. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC. Guatemala: over the past 24 hours, QuakeMap24 logged 3 earthquakes, the strongest at M4.6.

Details

ID
47a84974dacf8dfa5a0d2aef1e7c82fb884b0e5b
Magnitude
M3.9
Depth
137.0 km
UTC time
2026-07-18 09:51:37 UTC
Local time
—
Country
Guatemala
State
San Marcos
City
San Isidro
County
Comitancillo
Village
San Isidro
Source
emsc
Coordinates
15.14000, -91.75000
Temperature
15.1°C

Depth profile

Depth profile Depth: 137 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 137 km
Intermediate
137 km
137 km — deeper than the regional average (32.1 km)
Regional average: 32.1 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Tajumulco
    Distance: 20 km ·Stratovolcano ·Elevation: 4'203 m ·Guatemala
  • Tacana
    Distance: 39 km ·Stratovolcano ·Elevation: 4'064 m ·Last eruption: 1986 ·Mexico-Guatemala
  • Almolonga
    Distance: 46 km ·Stratovolcano ·Elevation: 3'173 m ·Last eruption: 1818 ·Guatemala
  • Santa Maria Activity reported
    Distance: 48 km ·Stratovolcano ·Elevation: 3'745 m ·Last eruption: 2026 ·Guatemala
  • Toliman
    Distance: 84 km ·Stratovolcano(es) ·Elevation: 3'158 m ·Guatemala
  • Atitlan
    Distance: 87 km ·Stratovolcano(es) ·Elevation: 3'535 m ·Last eruption: 1853 ·Guatemala

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Huehuetenango AirportGuatemala · HUG · MGHT
    32.8 kmStraight-line distance
  • Quezaltenango AirportGuatemala · AAZ · MGQZ
    40.5 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

Guatemala

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 191 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 · Guatemala

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 · Guatemala

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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