Hawaii officials have confirmed there is no tsunami threat to the state after a powerful magnitude-7 earthquake struck Russia’s Kuril Islands on Sunday.Oahu Emergency Management confirmed the quake posed no danger to Hawaii.

Russia's Kamchatka Peninsula and surrounding Pacific Rim regions continued to experience seismic instability, with dozens of aftershocks being reported on Saturday by the United States Geological Survey (USGS).

Russia’s magnitude 8.8 earthquake spawned serious tsunami warnings, but waves have been moderate so far. Here’s the geological reason why