Category: volcano

How Bad Would A Yellowstone Eruption Be?

image source: National Geographic Mount St. Helens was tiny compared to the most dangerous category of volcano – the super volcano. The Yellowstone super volcano is located in the Yellowstone National Park of Wyoming. Try to imagine a volcanic eruption 10,000 times stronger than Mount St. Helens – an eruption …

300 Foot Tsunami and East Coast Destruction

‘Hierro’, a volcano and island of the Canary Islands of Spain (named ‘El Hierro’), summits at 1500 meters (4,900 feet), and has gone through periods of highly active earthquake swarms – which leads some to believe that someday ‘something’ may happen. A tsunami.   Super Tsunami   About El Hierro: …

The Highest Threat Volcanoes in the United States

In the years since the cataclysmic eruption of Mount St. Helens, scientific and technological advances in volcanology have enabled new models of volcanic risks and assessment. One such assessment and monitoring model proposed by the USGS, the ‘National Volcano Early Warning System’, contains a very interesting list. It is a …

Yellowstone Vibrations

Yellowstone, one of the worlds Super-Volcanoes, is displaying some fascinating behavior and reminding us that it is very alive and remains apparently overdue for its next world-changing eruption. The recent activity may not mean anything significant, but you really never know, which is why I mention the following… Take a …

Canary Islands Sinking Into The Ocean

Many months ago, the island of El Hierro began shaking with the onset of thousands of earthquakes, and has not stopped since. My interest in the geophysical Earth inspired me to write a ‘what-if’, or ‘worst case scenario’ of the island region causing a massive tsunami sweeping across the Atlantic, …

How Big are Volcano Magma Chambers?

Permalink Remember that volcano that disrupted European air traffic for a few weeks during April, 2010? Have any idea how big its magma chamber would be if it were shaped like a sphere? Volcanoes are rated on a scale called the Volcanic Explosivity Index, or VEI. The VEI scale ranges …

Katla Eruption History

The average time between Katla eruptions since 80 BC is 52 years. The Icelandic volcano has pretty much followed this average time between eruptions except for a few instances, one of which extended 190 years leading to the eruption of 1150. However there is some controversy regarding an eruption in …