Volcanic gas monitoring is a standard tool of any volcano observatory.

One goal of the volcano observatory is to identify those volcanoes in the Cascades whose covers may be unstable, he said.

A volcano observatory is an institution that conducts research and monitoring of a volcano.

In 1993 a volcano observatory was opened.

He founded the Hawaiian Volcano Observatory and directed it from 1912 to 1940.

The Hawaiian Volcano Observatory reported that the lava was moving at a speed of 250ft in 24 hours.

YVO is the first volcano observatory to implement the new standard alert-level system.

Two volcano observatories were established and named after him: one in Vancouver, Washington, and the other on the ridge where he died.

By February 1912 construction was begun on the Hawaiian Volcano Observatory.

For 100 years, scientists at the Hawaiian Volcano Observatory have been monitoring volcanoes to help make communities safer.