M 5.7 Earthquake Strikes 166 km ESE of Ust’-Kamchatsk Staryy, Russia
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 5.7 earthquake occurred 166 km ESE of Ust’-Kamchatsk Staryy, Russia, at a depth of 10 km.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on August 10, 2026 and geographically references Kamchatka, Russia. 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, Russia.
What Happened
A M 5.7 mww earthquake struck 166 km ESE of Ust’-Kamchatsk Staryy, Russia, on July 27, 2026, at 12:42:18 UTC (timestamp 1785213738286). The event was reviewed by USGS with a magnitude type of mww.
Location Details
The epicenter was located at latitude 55.8814, longitude 165.0702. The depth of 10 km classifies this as a shallow earthquake (less than 20 km), which can produce stronger ground shaking compared to deeper events.
Impact Assessment
No felt reports were recorded. The Modified Mercalli Intensity reached 4.148. A green alert level was issued, indicating low likelihood of casualties or damage. No tsunami advisory was issued (tsunami flag: 0).
What You Should Know
Earthquakes of this magnitude are considered moderate and may be felt over a wide area but typically cause little to no damage. Residents in the region should be prepared for possible aftershocks and follow standard earthquake safety practices such as dropping, covering, and holding on during shaking.
Source
USGS Event Page - Data from USGS.
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 (1,118 characters here).
Similar severity timing
Same severity (medium) notices issued closest in time to August 10, 2026.
Frequently Asked Questions
Common questions about this USGS earthquake report.