Eruption of world's argest active volcano draws spectators

Scientists are trying to measure the gas emitted from the eruption.

Spectators watch the lava flow down the mountain from the Mauna Loa eruption (AP)

The first eruption in 38 years of the world’s largest active volcano is attracting onlookers to a Hawaiian national park keen for “spectacular” views of the event.

However, the eruption of Mauna Loa is also dredging up bad memories among some Hawaii residents who have been through harrowing experiences.