What was the name of the eruption?
Q: What was the name of the eruption?
A: The Hōei Eruption of Mount Fuji (Hōei dai funka).
Q: When did it start and end?
A: It started on December 16, 1707 (23rd day of the 11th month of the year Hōei 4) and ended about January 1, 1708 (9th day of the 12th month of the year Hōei 4).
Q: How much volcanic ash was released during this eruption?
A: At least 800 million cubic meters of volcanic ash were released.
Q: Where did this ash spread to?
A: The ash spread over very large areas around the volcano and even reached Edo almost 100 km away. Cinders and ash also fell like rain in Izu, Kai, Sagami, and Musashi provinces.
Q: What might have caused this eruption?
A: This eruption might have been caused by the 1707 Hōei earthquake 49 days earlier.
Q: How many new volcanic openings were created from this eruption?
A: Three new volcanic openings called No. 1, No. 2, and No. 3 Hōei vents were created from this eruption.
Q: Is Mount Fuji still active today?
A Yes, scientists describe Fuji as an active volcano today.
