M4.9 Depth: 27.9 km

M4.9 Earthquake near LA RIOJA, ARGENTINA (Argentina)

UTC time: 2025-08-22 20:42:25 UTC Local time:

About this earthquake

On August 22, 2025 at 20:42 UTC, a magnitude M4.9 earthquake occurred near LA RIOJA, ARGENTINA (Argentina). With a focal depth of about 28 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by EMSC. Argentina: over the past 24 hours, QuakeMap24 logged 11 earthquakes, the strongest at M4.5.

Details

Magnitude
M4.9
Depth
27.9 km
UTC time
2025-08-22 20:42:25 UTC
Local time
Country
City
Source
emsc
Coordinates
-30.27890, -67.47570
Temperature
9.8°C

Map

Depth profile

Depth profile Depth: 27.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 27.9 km
Shallow
27.9 km
27.9 km — shallower than the regional average (148.9 km)
Regional average: 148.9 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

  • Tipas
    Distance: 359 km ·Complex ·Elevation: 6'658 m ·Argentina
  • Ojos del Salado, Nevados
    Distance: 367 km ·Stratovolcano ·Elevation: 6'879 m ·Last eruption: 750 ·Chile-Argentina
  • Incahuasi, Nevado de
    Distance: 370 km ·Stratovolcano(es) ·Elevation: 6'638 m ·Chile-Argentina
  • Solo, El
    Distance: 373 km ·Stratovolcano ·Elevation: 6'205 m ·Chile-Argentina
  • Blanco, Cerro
    Distance: 392 km ·Caldera ·Elevation: 4'670 m ·Last eruption: -2300 ·Argentina
  • Falso Azufre
    Distance: 397 km ·Complex ·Elevation: 5'906 m ·Chile-Argentina

Historic earthquake map · Argentina

Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Argentina

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

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