『ボリビア：30万年以上前に噴火活動を停止した火山に活動再開の兆し』

But the 43-mile-long stretch of rocky soil is now an object of international scientific fascination. Satellite measurements show that the hill has been rising more than half an inch a year for almost 20 years, suggesting that the volcano, which last erupted more than 300,000 years ago, is steadily inflating. “The size and longevity of the uplift is unprecedented,” said Shanaka de Silva , a geologi