No, Texas does not have any volcanoes that are active, but maybe one is still alive but dormant.
there are about 5 volcanoes in Texas 1.Pilot knob Austin Texas 2. the Paisano Volcano (fort Davis) 3.Burro Mesa (big bend national park) 4.Sierra Quemada (big bend national park) 5.Buckhorn Caldera...
Don't now
There are about 130 active volcanoes in Iceland.
The most deadliest volcano is Mont Pelee