M3.3 Earthquake 9 km ESE of Pāhala, Hawaii — November 11, 2022
2022-11-11 20:29:43 UTC (2022-11-11) · approx. 10:29 AM UTC-10 local
On November 11, 2022 at 20:29 UTC, a magnitude 3.3 shallow crustal earthquake struck 9 km ESE of Pāhala, Hawaii, at a depth of 3.3 km and coordinates 19.1570°, -155.4005°.
Physical scale: An earthquake of magnitude 3.3 releases seismic energy equivalent to roughly 1.3 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 112 m — a useful intuition for the size of the slip patch on the fault.
This earthquake is part of an ongoing aftershock sequence following the magnitude 5.2 mainshock that occurred 25 days ago 42 km ESE of Naalehu, Hawaii. Since the mainshock, the USGS has recorded 22 aftershocks in this area. Aftershock activity is expected to continue for days to weeks as stresses on surrounding faults redistribute.
Earthquake Details
-155.4005°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 3.3 earthquake near Pāhala, Hawaii?
The magnitude 3.3 earthquake that struck 9 km ESE of Pāhala, Hawaii on November 11, 2022 at 20:29 UTC had a depth of 3.3 km. For context, this was a minor earthquake typically detected only by instruments.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 3.3 earthquakes can continue for several days and gradually diminish over time.
Is this the same earthquake as the M5.2 one earlier?
No. This magnitude 3.3 earthquake is an aftershock of the larger magnitude 5.2 mainshock that occurred earlier 42 km ESE of Naalehu, Hawaii. Aftershocks are smaller earthquakes triggered by stress changes from the mainshock.
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Understanding This Data
Magnitude 3.3 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: hv73217212). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, November 11, 2022). M3.3 Earthquake 9 km ESE of Pāhala, Hawaii — November 11, 2022. Retrieved January 11, 2024 from https://www.earthquaketracker.org/earthquakes/event/hv73217212/