Includes the summits and rift zones of Kilauea and Mauna Loa where vents have been repeatedly active in historic time. 25-75 Areas adjacent to and downslope of active rift zones. 4 about 5 less than 15 Includes all of Hualalai, where the frequency of eruptions is lower than on Kilauea and Mauna Loa.
Flows typically cover large areas.
5 none about 50 Areas currently protected from lava flows by the topography of the volcano. 6 none very little Same as Zone 5. 7 none none 20 percent of this area covered by lava in the last 10,000 yrs. 8 none none Only a few percent of this area covered in the past 10,000 yrs. No eruption in this area for the past 60,000 yrs.