M4.8 Earthquake 19 km ENE of San Martín, Argentina — July 15, 2020
2020-07-15 03:22:26 UTC (2020-07-15) · approx. 10:22 PM UTC-5 local
On July 15, 2020 at 03:22 UTC, a magnitude 4.8 intermediate depth earthquake struck 19 km ENE of San Martín, Argentina, at a depth of 103.9 km and coordinates -31.3566°, -68.3182°.
Physical scale: An earthquake of magnitude 4.8 releases seismic energy equivalent to roughly 239 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.2 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-68.3182°E
Technical Information
Common Questions
How strong was the magnitude 4.8 earthquake near San Martín, Argentina?
The magnitude 4.8 earthquake that struck 19 km ENE of San Martín, Argentina on July 15, 2020 at 03:22 UTC had a depth of 103.9 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -31.3566°, -68.3182°, which is 19 km ENE of San Martín, Argentina.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.8 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us7000anrm). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, July 15, 2020). M4.8 Earthquake 19 km ENE of San Martín, Argentina — July 15, 2020. Retrieved September 26, 2020 from https://www.earthquaketracker.org/earthquakes/event/us7000anrm/