manu'a volcano tremors

 Dr. Ken Hon (left) and Dr. Natalia Deligne
Pago Pago, AMERICAN SAMOA — The U.S Geological Survey (USGS) has lowered the volcano alert level for the Ta’u island volcano as tremors continue to decrease. The federal government agency says that over the past few weeks, the earthquake activity level for Taʻu Island has dramatically decreased and...