Threat of violent explosions in Hawaii forces authorities to close national park again

Threat of violent explosions in Hawaii forces authorities to close national park again  CNN Harmful acid rain in Hawaii? Probably not. The clouds of sulfur dioxide are much worse.  Washington Post Volcano explosion won't be deadly if people stay out of park  Yahoo News The Implacable Power of Volcanic Lava  WIRED As Hawaii volcano erupts, let's remember that California has at least 19  The San Diego Union-TribuneFull coverage