M4.2 Earthquake 33 km S of Iztapa, Guatemala — October 30, 2022
2022-10-30 18:40:46 UTC (2022-10-30) · approx. 12:40 PM UTC-6 local
On October 30, 2022 at 18:40 UTC, a magnitude 4.2 shallow crustal earthquake struck 33 km S of Iztapa, Guatemala, at a depth of 51.2 km and coordinates 13.6346°, -90.6549°.
Physical scale: An earthquake of magnitude 4.2 releases seismic energy equivalent to roughly 30 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 476 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-90.6549°E
Technical Information
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Common Questions
How strong was the magnitude 4.2 earthquake near Iztapa, Guatemala?
The magnitude 4.2 earthquake that struck 33 km S of Iztapa, Guatemala on October 30, 2022 at 18:40 UTC had a depth of 51.2 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 4.2 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.2 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000ilcv). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, October 30, 2022). M4.2 Earthquake 33 km S of Iztapa, Guatemala — October 30, 2022. Retrieved January 12, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000ilcv/