News

Great oaks from little acorns grow. Who would have thought that a little eruption in a small pit crater would be the seed from which a great oak of...

Small streams of lava cascading over the sea cliff, and entering the ocean.

January 2012 is just around the corner, and staff at the USGS Hawaiian Volcano Observatory (HVO) are busily preparing for the many public events...

Awesome views of the Pu‘u ‘Ō‘ō cone and crater showing the fume sources.

Active pāhoehoe, fed by a lava tube originating at Pu‘u ‘Ō‘ō, has been migrating downslope within the Royal Gardens subdivision.

Hikers reaching the rim of Moku‘āweoweo, Mauna Loa's summit caldera, can gaze across the expanse of lava—erupted in 1984—that covers most of the...

During FY11, Long Valley Observatory's jurisdiction was expanded to encompass all California volcanoes and one volcanic center in Nevada. The...

During the past several weeks, many volcanoes have been active around the world. While we focus on our home volcano, it can be very interesting to...

A thin portion of the roof over the lava tube reveals the lava stream.

Popular cultural phenomena come and go: Elvis Presley, Mickey Mouse, and hula hoops have all come in and out of fashion repeatedly. But for many...