M4.9
Depth:
27.9 km
M4.9 Earthquake near LA RIOJA, ARGENTINA (Argentina)
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.
Map
Depth profile
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
-
Ojos del Salado, Nevados
-
Incahuasi, Nevado de
-
Solo, El
-
Blanco, Cerro
-
Falso Azufre
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.
Stats (last 24h)
Global (24h)
616
Country (24h)
Argentina
11
Current earthquakes in
Magnitude
Place
Local time