Hawai'i has seven primary volcanoes, out of which three are currently active. The eight primary islands that make up the state of Hawai'i are part of a series of volcanoes.
The state of Hawai'i encompasses most of the Hawai'ian archepelago, a volcanic region in Oceania. The islands of which the state is comprised are themselves the tops of shield volcanoes that formed at the Hawai'ian Hotspot. The seven primary volcanoes of Hawai'i are
- Mauna Loa
- Mauna Kea
Kilauea has had 62 eruptions during the past 245 years, making it the world's most active volcano. Mauna Loa is also very active, with 15 eruptions since 1900.
Haulalai is considered an active volcano due to the its earthquake activity. It has not erupted since 1801 but is considered the third most active volcano behind Kilauea and Mauna Loa. Lo'ihi last erupted in 1996.