inside a lukewarm caldera, at that. I just don't trust any theory that says it's permanently cooling off. There is absolutely no way to know that.
.....There is absolutely no way to know that....
By tracking the speed of seismic waves through the hotter and perhaps semi liquid plume, they may be able to estimate the temperature, but without long historical data, the trend is not known. One point is not a meaningful curve
To suggest coolling in the face of increased surface temps and bulging seems unrealistic
You bet. In reality, they haven't a clue what is happening over 60 miles below the surface.