M3.0 Earthquake 56 km ENE of Pedro Bay, Alaska — July 11, 2020
2020-07-11 18:26:26 UTC (2020-07-11) · approx. 8:26 AM UTC-10 local
On July 11, 2020 at 18:26 UTC, a magnitude 3.0 intermediate depth earthquake struck 56 km ENE of Pedro Bay, Alaska, at a depth of 133.2 km and coordinates 60.0188°, -153.2156°.
Physical scale: An earthquake of magnitude 3.0 releases seismic energy equivalent to roughly 477 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 71 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-153.2156°E
Technical Information
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Common Questions
How strong was the magnitude 3.0 earthquake near Pedro Bay, Alaska?
The magnitude 3.0 earthquake that struck 56 km ENE of Pedro Bay, Alaska on July 11, 2020 at 18:26 UTC had a depth of 133.2 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 3.0 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.0 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: ak0208vhless). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, July 11, 2020). M3.0 Earthquake 56 km ENE of Pedro Bay, Alaska — July 11, 2020. Retrieved September 19, 2020 from https://www.earthquaketracker.org/earthquakes/event/ak0208vhless/