4.4

M4.4 Earthquake 99 km ENE of Miyako, JapanJune 26, 2026

2026-06-26 07:22:00 UTC (5 hours ago) · approx. 5:22 PM UTC+10 local

MagnitudeM4.4(mb)
Time07:22 UTC5:22 PM UTC+10
Depth39.2 kmshallow crustal
Coordinates40.039°, 142.991°
Felt byNo felt reports
Status✓ Reviewed by USGS

On June 26, 2026 at 07:22 UTC, a magnitude 4.4 shallow crustal earthquake struck 99 km ENE of Miyako, Japan, at a depth of 39.2 km and coordinates 40.0393°, 142.9911°.

Physical scale: An earthquake of magnitude 4.4 releases seismic energy equivalent to roughly 60 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 655 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 40.04°, 142.99°

Earthquake Details

Magnitude
4.4 mb
Depth
39.2 km
shallow crustal
Location
40.0393°N
142.9911°E

Technical Information

Event ID
us6000t8dq
Event Type
earthquake
Status
✓ Reviewed
Significance
298
Stations Used
26
Azimuthal Gap
175.0°
Min Station Distance
1.651°
RMS Residual
0.34 sec
Last Updated
2026-06-26 09:15:44 UTC

Common Questions

How strong was the magnitude 4.4 earthquake near Miyako, Japan?

The magnitude 4.4 earthquake that struck 99 km ENE of Miyako, Japan on June 26, 2026 at 07:22 UTC had a depth of 39.2 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 4.4 earthquakes can continue for several days and gradually diminish over time.

What should I do after an earthquake?

If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.

Authoritative source: USGS event page (event ID: us6000t8dq). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, June 26, 2026). M4.4 Earthquake 99 km ENE of Miyako, JapanJune 26, 2026. Retrieved June 26, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000t8dq/