Magma moves through Hawaiian rift zones as dikes, which are tabular sheets of magma that move laterally and vertically ...

The most recent supervolcanic eruption on Earth occurred approximately 27,000 years ago, during the Stone Age, when early humans were still fashioning tools and decorating cave walls. This ...

Alaska Volcano Observatory Information Statement ... viewed moving from the northeast to the northwest, as seen during a gas measurement flight on March 7th, 2025. M. Mitchell, USGS/AVO.