Zone 3 - Areas less hazardous than zone 2 because of greater distance from recently active vents and (or) because of topography. 1-5% of zone 3 has been covered since 1800, and 15-75% has been covered within the past 750 years.
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Larger swaths of land on the slopes of Kilauea and Mauna Loa are at risk for lava inundation, designated as Lava Zone 3. The zones are determined based on multiple factors such as topography, frequency of eruptions at a given location, and the percentage of land area covered in lava over time.
There are 9 lava zones for the five volcanoes (Kilauea, Mauna Loa, Mauna Kea, Hualalai, and Kohala) on the Big Island. Per the US Geological Survey, USGS, “the zones, ranked from 1 through 9, represent a scale of decreasing hazard as the numbers increase, based on the probability of coverage by lava flows.
Zone 9, considered the least hazardous region, consists of Kohala, a volcano that has not erupted for 60,000 years. Sources/Usage: Public Domain. Lava-flow hazard zones map, Island of Hawai'i.
Zone 3 includes areas gradationally less hazardous than zone 2 because of greater distance from recently active vents or because the topography makes it less likely that flows will cover these areas. Developed areas between Kea`au and Pahoa and on the south side of Highway 11 between Kea`au and Volcano are in zone 3.
Maui Zone 4 - Functionally has no danger from eruption havening not been inundated with lava for at least 100,000 years. This makes it most similar to a Zone 9 on the island of Hawai?i.
Lava is best seen at night along the south rim. There are three main viewing locations: Kupina?i Pali (Waldron Ledge) from Crater Rim Trail, Kilauea Overlook, and Keanakako?i Crater. Keanakako?i Crater is the closest eruption viewpoint - here you'll see a lava lake that emits a reddish-orange glow at night!
On average for a 1,200 sf home you can expect annual premiums to be approximately $6,000.00. For comparison, a homeowners policy for lava zone 3 or higher is about $1,400.00 per year and you will have numerous choices for coverage.
As for survival, you'll want to bring the usual supply of food, water, and med kits. If you're heading to the lava castle, and you want to make sure you don't need to backtrack, you should bring 2 purple tablets. Those are necessary to progress.
If you're short on time, here's a quick answer: Ocean View Hawaii is so affordable because of its remote location far from resort areas, lack of amenities, and land abundant with lava rock.
Kailua-Kona is located in Lava Zone 4, which includes all of Hualalai. Although Hualalai is not extinct, the frequency of eruptions is lower, much lower, than that for Kilauea or Mauna Loa.
While all Hawaiian Islands have a volcanic history, the Big Island is known for its extremely active volcano - Kilauea, which is located within Hawaii Volcanoes National Park.
If the park determines that access to the flow is safe you can go on a hike to see the lava. Because viewing conditions change on a daily basis you should look up the most recent information about the active surface flows shortly before you plan to see the lava yourself.
There are two principal types of lava flows in Hawaii. Pahoehoe is the type characterized by smooth, ropy, or billowy surfaces (Plate 5); whereas aa has a very rough, spiny or rubbly surface, but a massive interior (Plate 4).
And this is not anything new either. Except for the occasional vog, the main islands of Oahu, Maui, Kauai, Molokai and Lanai are unaffected by the volcano. And even on the Big Island, it's business as usual. The only exception is Hawaii Volcanoes National Park, the Puna District and nearby areas.