M3.9 Earthquake 236 km SE of Shing?, Japan — July 19, 2020
2020-07-19 19:14:52 UTC (2020-07-19) · approx. 4:14 AM UTC+9 local
On July 19, 2020 at 19:14 UTC, a magnitude 3.9 deep-focus earthquake struck 236 km SE of Shing?, Japan, at a depth of 392.0 km and coordinates 32.1328°, 137.6523°.
Physical scale: An earthquake of magnitude 3.9 releases seismic energy equivalent to roughly 11 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 296 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
137.6523°E
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Common Questions
How strong was the magnitude 3.9 earthquake near Shing?, Japan?
The magnitude 3.9 earthquake that struck 236 km SE of Shing?, Japan on July 19, 2020 at 19:14 UTC had a depth of 392.0 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 3.9 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.9 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: us7000arau). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, July 19, 2020). M3.9 Earthquake 236 km SE of Shing?, Japan — July 19, 2020. Retrieved September 26, 2020 from https://www.earthquaketracker.org/earthquakes/event/us7000arau/