Scientists have discovered how two active volcanoes reacted following a massive earthquake - and what their unexpected silence revealed.

Six volcanoes in far eastern Russia are now erupting following the 8.8 magnitude earthquake and aftershocks that shook the region last week. Klyuchevskaya erupted first, on July 30. It had already ...

A recent earthquake in Russia's Far East has triggered renewed tsunami warnings, connecting the event to a volcano erupting after centuries of dormancy. Authorities remain cautious as new tremors and ...

In the three years since, HVO and the USGS earthquake hazards program continue to actively assess the region for local volcanic and earthquake activity. All volcanoes in American Samoa are currently ...