Earthquakes and volcanoes can provide us with surprising and unexpected new data. Just within this century, several dramatic events have increased our understanding of these natural hazards, including the catastrophic 2004 Sumatra-Andaman earthquake and tsunami in Indonesia, and the 2011 Tohoku earthquake in Japan. Now, examination of the events leading up to a 2021 volcanic eruption has brought new – and sobering - information.
Ancient people with hunting and gathering lifestyles were making fired clay pottery as far back as at least 20,000 years ago. This is surprising! Until recently, scholars believed that pottery appeared only when people adopted sedentary, farming lifestyles. Except that isn’t what actually happened.
Five great earthquakes of M9 or larger have been recorded in the past century and each was followed by a major tsunami, along with vast devastation and many deaths. These events have provided information to help mitigate the effects of future great earthquakes - including what to keep in the back of your mind if you experience strong earthquake shaking in coastal areas worldwide.