Do you know what ultra-Plinian eruption is?
Volcanic activities sometimes have destructive influence on human society.
Out of them, ultra-Plinian eruption brings on a particularly large explosion that causes global change in environment and mass extinction.
Around such supervolcano, hot springs have been gushing over one million years after the eruption.
New Mexico, Rating [2/5] Hot Spring River, Sightseeing, Tepid, Wilderness
Do you know Mexico has many hot springs?
Mexico is a resource-rich nation in terms of hot springs, because it is located on Ring of Fire.
Today I will visit an amazing spot where seems to symbolize the resources.
Gallons of hot spring water are gushing from giant caves, and there is a theme park centering the warm river flowing out.
Mexico, Rating [5/5] Hot Spring River, Lodging, Opaque, Tepid
What is the definition of hot springs?
As long as spring water is hot, can we call it a hot spring?
Japan has the Hot Springs Act.
According to the law, the natural monument in a southern island can be called a hot spring.
Kyushu-Okinawa Region, Rating [1/5] Hot Spring River, Tepid, Wilderness
Do you know a hot spring river of milky white water?
The impressive spot must be one of the best hot springs with an exclusion of the fact:
You will have the brush with death from the toxic gas.
Hokkaido-Tohoku Region, Rating [5/5] Extremely Hot, Hot Spring River, Opaque, Sulfur Dioxide, Wilderness