Hawai‘i Volcanoes NPS:
Delta collapse 12.31.16
Hawai‘i Volcanoes NPS:
Video of delta collapse and gas/rock plume
Hawai‘i Volcanoes NPS:
Now you see it, now you don't
Hawai‘i Volcanoes NPS:
NPS phone video 12.31.16
Hawai‘i Volcanoes NPS:
NPS Video of "huge bench collapse"