News

How much magma enters Kīlauea every day? How much is erupted to the surface? How much stays underground?
 

In our "Volcano Watch" series and in our scientific reports and presentations, we present and discuss findings relating to volcanoes and earthquakes. ...

We recently completed a leveling survey along the Ka`u trail in Hawai`i Volcanoes National Park. This 16-km (10 mi) route runs inland from the south...

A TV crew doing a documentary on lighthouses in Hawai`i recently asked HVO if erupting Kīlauea and Mauna Loa could have served as natural beacons for...

In recent weeks the U.S. Geological Survey's Hawaiian Volcano Observatory has begun a program to install new instrumentation to help monitor Mauna Loa...

The Wailuku River is an important landmark to geologists, because it marks the approximate boundary between the lava flows of Mauna Kea and Mauna Loa...

An engineer for a local road-construction contractor recently called the U.S. Geological Survey's Hawaiian Volcano Observatory to report his company's...

Sulfur covered terrace from Puka Nui

On May 1, 2000, President Clinton announced the United States' decision to stop degrading Global Positioning System (GPS) accuracy. The act has made...

Mauna Kea's peaceful appearance is misleading. The volcano is not dead. It erupted many times between 60,000 and 4,000 years ago, and some periods of...