News

What exactly do volcano threat rankings mean?

Since the end of February 2017, HVO seismic analysts have noted a slight uptick in the numbers of earthquakes near Lō‘ihi.

As the 2016 Volcano Awareness Month comes to an end, so too does our series of "Volcano Watch" articles exploring the geology of the Hawaiian Islands...

An earthquake of magnitude-4.3 was recorded by the U.S. Geological Survey's Hawaiian Volcano Observatory on November 24, 2012 at 17:59 HST.

 

Hawai‘i is the quintessential "hotspot." The geologic definition of a "hotspot" is that region of the Earth beneath an area that has experienced high...

An earthquake of magnitude-4.7 (preliminary) was recorded by the U.S. Geological Survey's Hawaiian Volcano Observatory on January 18 at 4:05 p.m. HST...

In the wild west of the 19th century, stagecoaches often had someone aboard whose job was to warn and protect the driver from marauding gangs and wild...

The major part of each Hawaiian volcano lies below sea level, which creates a logistical nightmare: How does one study the submarine slopes?

As we all know, there are no facts about the future. We cannot know for sure what will happen tomorrow, much less next year or 1,000 years from now...

As 1996 draws to a close, we can look back and reflect on the tumultuous year that the U.S. Geological Survey's Hawaiian Volcano Observatory...