They found no Rhyolite in the debris field which means it was a relatively shallow explosion of no more than 150' in depth. The issue that keeps the area closed is ground monitors continue to read movement in the glacial gravels which could indicate another explosion is imminent.
They found no Rhyolite in the debris field which means it was a relatively shallow explosion of no more than 150' in depth. The issue that keeps the area closed is ground monitors continue to read movement in the glacial gravels which could indicate another explosion is imminent.