M4.0 Earthquake 88 km S of Puerto San José, Guatemala — September 10, 2023
2023-09-10 20:21:44 UTC (2023-09-10) · approx. 2:21 PM UTC-6 local
On September 10, 2023 at 20:21 UTC, a magnitude 4.0 shallow crustal earthquake struck 88 km S of Puerto San José, Guatemala, at a depth of 52.0 km and coordinates 13.1273°, -90.8044°.
Physical scale: An earthquake of magnitude 4.0 releases seismic energy equivalent to roughly 15 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 347 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-90.8044°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.0 earthquake near Puerto San José, Guatemala?
The magnitude 4.0 earthquake that struck 88 km S of Puerto San José, Guatemala on September 10, 2023 at 20:21 UTC had a depth of 52.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.0 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.0 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000kvs1). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, September 10, 2023). M4.0 Earthquake 88 km S of Puerto San José, Guatemala — September 10, 2023. Retrieved November 18, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000kvs1/