"According to operational data, the earthquake - 01.17.2021, 20:31 (local time), magnitude Mmax 5.5, depth 10 km, 264 km from Petropavlovsk-Kamchatsky," - quoted by Interfax.
Earlier it was reported that a storm warning was announced off the coast of Kamchatka.
On January 18, a storm and waves up to 9 m high are expected.