08/07/2019 · Magnetic field reversals take place over thousands or millions of years, so if Tamu Massif had erupted in a single event, there would be no anomalies. However, an eruptive period that lasted far ...

Last Answer : Three extremely large explosive eruptions have occurred atYellowstone in the past 2.1 million years with a recurrenceinterval of about 600,000 to 800,000 years. More frequent eruptionsof basalt and rhyolite lava flows have occurred before and afterthe large caldera-forming events. Show Answer.

15/07/2019 · A fresh look at the underwater mountain Tamu Massif shows that it no longer holds the record, since it may not be a volcano at all. In 2013, a …

08/07/2019 · A paper published in 2013 by Sager and colleagues concluded that Tamu Massif is an enormous shield volcano, formed by far-reaching lava flows emanating from its summit. The latest study compiled a magnetic anomaly map over Tamu Massif, using 4.6 million magnetic field readings collected over 54 years along 72,000 kilometers of ship tracks.

06/09/2013 · Tamu Massif is the largest feature of Shatsky Rise, an underwater mountain range formed 145-130 million years ago by the eruption of several underwater volcanoes. By integrating several sources of evidence, including core samples and data collected on board the JOIDES Resolution, scientists have confirmed that the mass of basalt that constitutes Tamu Massif did …

09/07/2019 · Tamu Massif was declared the largest single volcano in the world when it was located in the Pacific Ocean about 1600 kilometres east of Japan in 2013 – but now it seems it probably isn’t. And ...

07/09/2013 · Tamu Massif, he said, “has been hiding out for 145 million years because it found a good place to hide.” Follow Brian Clark Howard on Twitter and Google+.