Although it was pointed out that the tsunami could have been triggered by an underwater volcanic eruption or a seabed landslide, the cause remained a mystery. The government’s Earthquake ...
Axial Seamount off Oregon's coast is the most active volcano in the Pacific Northwest, about 300 miles offshore and just under a mile beneath the ocean waves.
In January 2022, the undersea volcano Hunga Tonga-Hunga Ha’apai erupted spectacularly, becoming one of the most powerful volcanic events of the century. It sent a plume 50 kilometers high, impacting ...