Rising gradually to more than 4 km (13,100 ft) above sea level, Mauna Loa is the largest active volcano on our planet.
Each day comes a new round of quakes. Residents wondering if and when. Getting ready takes some money and most live day by day.
Over 40 quakes a day as a minimum. What is the likelihood that both volcanos will be erupting at the same time? Some same very likely.