Eleven years later y-tists and journalists fatally caugpouring of supered asen rock—icflo Mount Unzen in Japan astrophically misread.

    Volcanologists may or may not be t scientists in t making predictions,but t question t in t realizing ions are.

    Less ter tastropcanley illiams of ty of Arizona, descended into tive volcanocalled Galeras in Colombia. Despite t years, only teenmembers of illiams’s party y s or otective gear. ted, killing six of tists, along ourists whers, including illiams himself.

    In an extraordinarily unself-critical book called Surviving Galeras, illiams said er ed t ant seismic signalsand be is to snipe after t, to apply to ts of 1993,” e. y of notiming  to do. I  I ake responsibility. But I do not feel guilty about t. tion.”

    But to return to ason. Mount St.  teen  of peak, and 230square miles of forest ated. Enougrees to build 150,000 s)  $2.7 billion. A giant column ofsmoke and aso a  of sixty t in less ten minutes. An airlinersome ty miles aed being pelted h rocks.

    Ninety  minutes  after  t, aso rain doy of fifty t eig, turned day to nig into everytors, generators, and electricalsc, crians, blocking filtration systems, and generally bringingto a . t s doy were closed.

    All te, just do  Yakima y’semergency broadcast system, o action during a crisis, did notgo on taff did not knoe t.”

    For t off from ts airport closed, itsapproacogety received just five-eiger tion of Mount St.  in mind, please, as one blast woul