Volcano Watch

When asked to recite the most important volcano monitoring methods, volcanologists will invariably include seismic monitoring, deformation monitoring...

The sunny days we have been having lately are a welcome relief from the seemingly endless rains that dominated the skies earlier this year. With the...

Kīlauea Volcano and Hawai`i Volcanoes National Park have given millions of people an opportunity to witness the creation of new crust at the earth's...

The coming week will see a marked change in the way the Hawaiian Volcano Observatory (HVO) publishes its updates on activities at the three volcanoes...

In recent weeks, new lava flows have broken out from the active lava tube system between the Pu`u `O`o vent and the ocean. These include a brief but...

This week, HVO bade farewell to Marie Edmonds and Richard "Ricky" Herd, who have been working at the observatory since February 2004. Both came to HVO...

As if to remind us that active volcanoes are in the region, a billowing column of volcanic gases has been spewing from Anatahan Volcano in the...

On a clear summer day in 1897, a newly-minted Harvard Ph.D. geologist led a field party into a remote hot springs area of what is now Yellowstone...

Merapi volcano, on the island of Java, began to make headlines in late March, when increasing seismicity led the Volcanological Survey of Indonesia...

Thomas Jaggar, the scientist who founded the Hawaiian Volcano Observatory (HVO), is again enthralling visitors to Hawai`i Volcanoes National Park with...