4.8

M4.8 Earthquake 42 km SE of ?funato, JapanOctober 5, 2022

2022-10-05 19:04:11 UTC (2022-10-05) · approx. 4:04 AM UTC+9 local

Felt by 1 person across nearby locations.

MagnitudeM4.8(mb)
Time19:04 UTC4:04 AM UTC+9
Depth64.9 kmshallow crustal
Coordinates38.759°, 142.000°
Felt by1DYFI response
Status✓ Reviewed by USGS

On October 5, 2022 at 19:04 UTC, a magnitude 4.8 shallow crustal earthquake struck 42 km SE of ?funato, Japan, at a depth of 64.9 km and coordinates 38.7587°, 141.9998°. This earthquake was detected by 77 seismic stations with good location accuracy and was assigned a USGS significance rating of 355, placing it among routine seismic activity.

Physical scale: An earthquake of magnitude 4.8 releases seismic energy equivalent to roughly 239 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.2 km — a useful intuition for the size of the slip patch on the fault.

The epicenter is located in Japan, a region characterized by the intersection of four tectonic plates — Pacific, Philippine Sea, Eurasian, and North American — creating multiple subduction zones. The nearest mapped fault system is the Japan Trench. View all earthquakes in Japan.

Learn more: Magnitude scale · Aftershock sequences

Map showing earthquake epicenter at 38.76°, 142.00°

Did You Feel It? — community-reported shaking

Aggregated felt-report intensity from 1 citizen response to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.

USGS DYFI community-reported intensity map for the M4.8 earthquake near 42 km SE of ?funato, Japan

Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report

Earthquake Details

Magnitude
4.8 mb
Depth
64.9 km
shallow crustal
Location
38.7587°N
141.9998°E
Felt Reports
1
DYFI responses
Community Intensity
4.1
CDI from reports

Technical Information

Event ID
us6000ir61
Event Type
earthquake
Status
✓ Reviewed
Significance
355
Stations Used
77
Azimuthal Gap
93.0°
Min Station Distance
2.152°
RMS Residual
0.58 sec
Last Updated
2022-12-10 22:53:18 UTC

Common Questions

How strong was the magnitude 4.8 earthquake near ?funato, Japan?

The magnitude 4.8 earthquake that struck 42 km SE of ?funato, Japan on October 5, 2022 at 19:04 UTC had a depth of 64.9 km. For context, this was a light earthquake commonly felt near the epicenter.

Where did the earthquake occur?

The earthquake epicenter was located at 38.7587°, 141.9998°, which is 42 km SE of ?funato, Japan. View all earthquakes in Japan.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.8 earthquakes can continue for several days and gradually diminish over time.

Has Japan had earthquakes this big before?

The largest recorded earthquake in Japan was the M9.1 Tohoku earthquake of March 11, 2011. Today's magnitude 4.8 event is significantly smaller than that historical record.

Authoritative source: USGS event page (event ID: us6000ir61). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2022, October 5, 2022). M4.8 Earthquake 42 km SE of ?funato, JapanOctober 5, 2022. Retrieved December 10, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000ir61/