What to know

• Russia hit by magnitude earthquake Japans wrong warning sparks panicS1
• The Kamchatka Peninsula lies on a tectonic belt known as the Ring of Fire, which surrounds most of the Pacific Ocean, and is a hotspot for seismic activity.S2
• The quake hit at 3:35 p.m. local time (about 9:05 a.m. IST) at a depth of around 140 km.S3