On June 14, 1914, three men climbed Lassen Peak to see why a seemingly dormant volcano had started rumbling 16 days before. Now, peering into a newborn crater, they felt the ground tremble.

Tucked away in far northeastern California, Lassen offers sweeping grandeur and hydrothermal ... is the one of the largest plug dome volcanoes in the world — a type of volcano that grows in size from ...

The fire continues to threatens the Mill Creek area and the town of Mineral in Tehama County, near the edge of Lassen Volcanic National Park, according to Cal Fire's map. The map also shows the ...