M4.9 Earthquake 98 km S of Puerto San José, Guatemala — August 21, 2024
2024-08-21 17:55:41 UTC (2024-08-21) · approx. 11:55 AM UTC-6 local
On August 21, 2024 at 17:55 UTC, a magnitude 4.9 shallow crustal earthquake struck 98 km S of Puerto San José, Guatemala, at a depth of 10.0 km and coordinates 13.0381°, -90.7468°. This earthquake was detected by 133 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 369, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.9 releases seismic energy equivalent to roughly 338 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.4 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-90.7468°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.9 earthquake near Puerto San José, Guatemala?
The magnitude 4.9 earthquake that struck 98 km S of Puerto San José, Guatemala on August 21, 2024 at 17:55 UTC had a depth of 10.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 13.0381°, -90.7468°, which is 98 km S of Puerto San José, Guatemala.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.9 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us7000n8id). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, August 21, 2024). M4.9 Earthquake 98 km S of Puerto San José, Guatemala — August 21, 2024. Retrieved November 2, 2024 from https://www.earthquaketracker.org/earthquakes/event/us7000n8id/