A powerful 7.4 magnitude earthquake struck off the coast of Russia's Kamchatka Peninsula on Sunday, triggering brief tsunami alerts in both Russia and Hawaii. The U.S. Geological Survey (USGS) reported the quake occurred near Petropavlovsk-Kamchatsky, prompting initial concerns about potential tsunami waves across the Pacific.
Tsunami Warnings Issued and Canceled
The U.S. Tsunami Warning System initially issued a tsunami threat for areas near Russia's Kamchatka Peninsula. Russia's Ministry of Emergency Situations warned residents near the earthquake zone against going to the shore to observe any potential tsunami. They clarified that any waves reaching the coast would likely be small.
The ministry stated that a tsunami wave of up to 60 cm could potentially impact the Aleutian Municipal District, 40 cm the Ust-Kamchatka Municipal District, and 15 cm the Petropavlovsk-Kamchatka District.
Series of Earthquakes
The initial quake was followed by a series of aftershocks, including quakes measuring 7.0, 6.7, and 6.6 in magnitude, according to the USGS. Numerous smaller earthquakes also occurred in the same region.
A tsunami watch was also issued for Hawaii, Japan, and the Midway Atoll. Fortunately, this watch was later canceled after authorities determined there was no significant threat to Hawaii.
Hawaii's Close Call and Preparedness
While the tsunami watch for Hawaii was canceled quickly, emergency officials emphasized the importance of preparedness. The Honolulu Department of Emergency Management advises residents to know if their homes, workplaces, or schools are in an evacuation zone and to identify inland evacuation routes.
Dr. Chip McCreery of the Pacific Tsunami Warning Center noted that small tsunami waves did reach Oahu, with the largest estimated at only a few inches.
A similar earthquake in 1952 caused significant damage in Hilo, highlighting the potential danger. Emergency officials urge the public to stay informed and prepared for future events.