Magnitude 6.6 Earthquake Off Russia's Kamchatka East Coast at 14 km Depth; No Tsunami Threat
A magnitude 6.6 earthquake struck off the east coast of Russia's Kamchatka Krai on June 19, 2026. According to the reviewed catalog of the U.S. Geological Survey (USGS), the quake occurred at 06:52 UTC (5:52 p.m. local time) on June 19, with its epicenter 141 kilometers east-southeast of Petropavlovsk-Kamchatsky, the regional capital, at a depth of 14 kilometers.
The USGS PAGER loss assessment was a green alert, indicating a low risk of casualties and economic losses, and the event generated no tsunami. With the epicenter more than 100 kilometers offshore from the capital, no casualty reports had appeared in official sources as of their publication.
Preliminary determinations had put the epicenter 133 kilometers from the capital at a depth of 10 kilometers; the USGS later revised those figures to the final parameters above. The same tectonic zone produced a magnitude 8.8 megaquake in July 2025 that triggered a Pacific tsunami, a different event from this one.
Related: Magnitude 8.8 Earthquake off Kamchatka Sends Tsunami Alerts Across the Pacific
Source: U.S. Geological Survey
Published by GSM · USA (original Chinese edition)
Photo: 图：俄罗斯堪察加边疆区首府彼得罗巴甫洛夫斯克与 Koryaksky 火山（资料照片）。Tatyana Rashidova 摄，公共领域，经 Wikimedia Commons。 / Photo: Petropavlovsk-Kamchatsky, capital of Russia's Kamchatka Krai, with Koryaksky volcano (file photo). Photo by Tatyana Rashidova, public domain, via Wikimedia Commons.
