The Yellowstone Volcano: Past, Present and Future

So please welcome Jake Lowenstern to talk about Yellowstone. For the next hour or so, we’re going to talk about Yellowstone. Yellowstone, for those who haven’t been there, it’s in the northwest corner of Wyoming. About 1000 miles to the northeast of us here. And it’s a pretty big park. It’s about 9000 square kilometers, or something like 3600 square miles. And for this Bay Area audience it might be useful to look at Yellowstone relative to the Bay Area itself. So that’s Yellowstone National Park. The pink line in the middle is the caldera. We’ll talk more about that, […]

Read more

USGS Status Update of Kīlauea Volcano – May 15, 2018

We have on going activity at Kileuea summit. So the level of earthquake activity remains elevated and the summit continues to subside. We’re having continuing ash emissions from the summit crater. They’re intermittent and they’re rising a few thousand feet above the crater. Yesterday we had a little bit of ash fall down in Punalu’u and that kind of activity may continue throughout the day if the situation stays as it is. But still pretty low ash emissions. But lots of activity there out there as far as the earthquake activity and subsidence . Down on the east rift zone, […]

Read more

USGS Status Update of Kīlauea Volcano – June 2, 2018

Good Morning everyone this is the HVO Kīlauea update for the morning of June 2nd. In the lower east rift zone fissure eight continues to have lava fountains but they’re only reaching heights of about 50 meters or 164 feet. As of 6:30 a.m. the channelized lava flow that was heading towards the Four Corners area was about one tenth of a mile from the intersection of Highway 132 and Highway 137 and along the length of that channel there are small breakouts including one near the intersection of Highway 132 and Pohoiki Road. The suggested evacuation for residents of […]

Read more

1964 Quake: The Great Alaska Earthquake

George Plafker: "the whole thing was once in chaos…" artwork Grantz: "i might not ever seen some thing that damaging that close up …" Narrator: In 1964, Alaska was shaken by using the largest U.S. Earthquake ever recorded: Magnitude 9.2. Narrator: Shaking went on for over four minutes. One hundred forty three folks died. Complete property loss in 2013 greenbacks is estimated at 2.Three billion. There were gaping fractures, significant landslides, and the destruction of water mains, gasoline, sewer, cell and electrical programs. Narrator: The epicenter used to be in Prince William Sound, seventy four miles southeast of Anchorage. Yet […]

Read more