地球表面温度是太阳能加热和辐射冷却的后果——换句话说,驱动气候的热能来自阳光落在地球“现在”。另一方面,热能驱动火山是地球的形成遗留(45亿年前),存储地球深处,有一些额外的热量产生的岩石中包含的元素的放射性衰变。地球深处,温度在5000 - 7000,K。很明显在表面凉爽多了。高温引起的岩石和金属的地球是由融化。温度梯度的结果在一个轻微的密度梯度,使对流(流热材料的表面)。热材料突破表面时,你有一个火山。认为地球上最热的地方(气候条件)没有表面温度接近如何融化岩石(也许50,°C相比,1000°C)。热量只能从温度较高的低。更少的热量落在地球从太阳比地球辐射进入太空; that difference is heat finding its way up to the surface from within. So, the heat driving volcanoes cannot possibly be coming from sunlight striking the Earth; it can only come from heat stored inside the planet from long ago. Consider also that the difference in temperature between the hottest places on the Earth and the coldest (in terms of climate) differ by little more than 100 °C. That's a tiny fraction of the temperature difference between molten magma and even the hottest desert. Bottom line: climate has no effect on volcanic activity. Since the Earth is losing more heat to space than is falling on it from the Sun, and that heat is coming up from below, the core is gradually cooling. But there is so much heat inside the Earth and the rate is so slow that our Sun will die before Earth's core cools enough to solidify.