Volcano Watch

The magnitude 7.2 earthquake in Kobe, Japan has resulted in extensive damage and a shocking number of fatalities and injuries. Japan has not...

A few weeks ago, we told you about the more than 67,000 earthquakes we recorded during the past year. Most of those earthquakes were so small that...

The first 12 years of eruptive activity.

This is roughly the 150th weekly column of "VolcanoWatch,"which was begun in November 1991 to keep readers informed of the on-going activity of...

Following a brief pause in the eruption during the last week of November, lava continues to issue from vents on the southwest flank of Pu'u 'O'o.

This past week, six members of the U.S. Geological Survey's Hawaiian Volcano Observatory traveled to San Francisco to participate in the Fall Meeting...

The nearly 12-year-long eruption along Kīlauea's east rift zone took another brief vacation this past week. This was the sixth pause in eruptive...

Mount Merapi, a 2,911-meter-tall volcano on the island of Java in Indonesia, erupted on November 22 at about 10:15 a.m. local time.
 

Eleven years ago on November 16, residents of Hawaii were awakened by a strong earthquake at 6:13 a.m. The earthquake had a magnitude of 6.6 and was...

The eruption along Kīlauea's east rift zone is approaching its twelfth anniversary, now less than two months away. The eruption continues strongly...

Beginning on October 21 and continuing through October 31, residents in parts of lower Puna have felt a sequence of small earthquakes. 

The nearly twelve-year-long eruption on Kīlauea's east rift zone had at least one additional pause in activity this past week.
 

Not only does Hawaii move up and down, as I described last week, it also moves horizontally. There are several ways to measure these movements, and a...

There is abundant evidence that the island of Hawaii is sinking, and that different parts of the island sink, or subside, at different rates and for...

The nearly 12-year-long eruption on Kīlauea's east rift zone took a short vacation this past week. No lavaerupted between Wednesday morning and...

In Hawaii, the U.S. Geological Survey's (USGS) Hawaiian Volcano Observatory (HVO) is known for its work in Hawaiian volcano monitoring and hazards...

Rabaul caldera, an active volcano located on the northern tip of New Britain island in Papua New Guinea, erupted violently this past week.

The Hawaiian Volcano Observatory is located on the northwest rim of Kīlauea caldera adjacent to the Jagger Museum. Because of its location within...

Kīlauea's east rift zone eruption at Pu'u 'O'o, which began in January 1983, continues. Lava is actively circulating in a pond inside the Pu'u 'O'o...

About nine months ago I wrote about a scientific drill hole in Hilo that was funded by the National Science Foundation to examine the long-term growth...