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The hotspot's most recent caldera-forming supereruption, known as the Lava Creek Eruption, took place 640,000 years ago and created the Lava Creek Tuff, and the most recent Yellowstone Caldera. The Yellowstone hotspot is one of a few volcanic hotspots underlying the North American tectonic plate; another example is the Anahim hotspot .
The high temperature (36 Celsius) recorded Monday in Laredo, Texas, which was the hottest spot in the country. The old record of 96 (35 Celsius) was set in 1986.
The driest place in North America and the hottest on Earth, Death Valley is a long and narrow basin 282 feet (86 m) below sea level and yet it is walled up with rather steep mountain ranges ...
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At any place where volcanism is not linked to a constructive or destructive plate margin, the concept of a hotspot has been used to explain its origin. A review article by Courtillot et al. [ 9 ] listing possible hotspots makes a distinction between primary hotspots coming from deep within the mantle and secondary hotspots derived from mantle ...
For the United States, the extremes are 134 °F (56.7 °C) in Death Valley, California in 1913 and −79.8 °F (−62.1 °C) recorded in Prospect Creek, Alaska in 1971. The largest recorded temperature change in one place over a 24-hour period occurred on January 15, 1972 in Loma, Montana , when the temperature rose from −54 to 49 °F (−47. ...
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The 2011 North American heat wave was a deadly summer 2011 heat wave that affected the Southern Plains, the Midwestern United States, Eastern Canada, the Northeastern United States, and much of the Eastern Seaboard, and had Heat index/Humidex readings reaching upwards of 131 °F (55 °C). On a national basis, the heat wave was the hottest in 75 ...