Tsunami warning in Russia, Hawaii after twin earthquakes hit Kamchatka region
Waves of up to 40 cm may affect the Ust-Kamchatsky region in eastern Kamchatka, while the Petropavlovsk-Kamchatsky urban district—the most densely populated area in the south-eastern part of the peninsula and home to the regional capital—might see waves of up to 15 cm.