the activity lies leilani estates. a resident captured this lava fountain shooting over 100 feet into the air. >> we came down the road and heard a boom. what is that? and then all of a sudden, you smell the sulfur dioxide. we knew something was happening. within minutes, we see smoke, and now we see all this lava coming across the street, and it's pumping right now. this fissure is opening up, and this is our next eruption. >> reporter: the eruptions are part of a massive geological event set off by the collapse of the puao'o collapse. the jolts continued to jolt the big island. >> the tough part about this eruption is it's unpredictable. we don't know which way the lava is going to flow, and we are planning actively for every contingency that we can think of. >> we'll keep you posted on how