undersea eruption

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Continuing my series where I try to define words of volcanic interest, the new Eruptions Word of the Day is a favorite of mine, mostly because my undergraduate thesis on Vinalhaven Island in Maine ended up dealing with a lot of these types of deposits … so, without further ado, the word is peperite! Now,…

Sarigan Island in the northern Mariana Islands. An undersea eruption appears to be underway south of the island. Thanks to the watchful eye of Eruptions readers, we had an inkling of this eruption the other day, but now we have confirmation that an undersea eruption is underway in the northern Mariana Islands. The exact volcano…

Submarine eruption near Japan

The plume from submarine volcano Fukutoku-Okanoba, erupting in February 2010. Almost a year after the Hunga Tonga Hunga Ha’apai eruption, where an undersea volcano sprang forth from the deep – quite spectacularly, we have new footage of another undersea eruption. Fukutoku-Okanoba, off the coast of Minami Iwo, started to erupt yesterday (or, at least, erupt…