M 5.0 Earthquake 31 km S of Nemuro, Japan
Areazine synthesizes this USGS earthquake report directly from USGS's official public data feed. See our methodology for full source attribution and refresh cadence.
A magnitude 5.0 mb earthquake struck 31 km south of Nemuro, Japan, at a depth of 96.9 km on August 25, 2026.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on August 25, 2026 and geographically references Hokkaido, Japan. Its severity classification of "medium" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Earthquakes - determines the monitoring protocol behind it, which shapes what follow-up action (checking for structural damage, watching for aftershocks, reviewing local building codes) is relevant and which agency holds authority over the assessment.
Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to verify its scope, source, and timestamp, then compare related notices without assuming that one record proves a broader trend.
Areazine pairs this record with the original agency URL so you can check the primary source before acting. Its related labels are earthquake, seismic, usgs, Japan.
What Happened
A M 5.0 mb earthquake occurred at 12:27 UTC on August 25, 2026 (1787648840740 ms), with an epicenter 31 km south of Nemuro, Japan. The event was reviewed by USGS and had a depth of 96.855 km.
Location Details
The earthquake was located at latitude 43.045, longitude 145.6343. This places it 31 km south of Nemuro, Japan. The depth of 96.855 km classifies it as a deep earthquake (>70 km).
Impact Assessment
No felt reports were recorded. There was no tsunami advisory (tsunami field = 0) and no alert level assigned.
What You Should Know
This was a moderate earthquake (M 5.0-5.9 range). Such events can cause damage to poorly constructed buildings.
Source
Original source: USGS Official Notice ↗
Related Earthquakes
All Earthquakes →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this USGS earthquake report: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (769 characters here).
Similar severity timing
Same severity (medium) notices issued closest in time to August 25, 2026.
Frequently Asked Questions
Common questions about this USGS earthquake report.