Gadzira shanduro yakaoma kunzwisisa yemutsara uyu Munguva pfupi yapfuura, kuputika kwa1991 kweGomo rePinatubo, rimwe gomo rinoputika (riri kuPhilippines), kwakaderedza tembiricha yepasi rose kwemakore anenge 2 - 3.
Chokwadika, shanduro yakaoma kunzwisisa zvikuru yemutsara wacho ndeiyi: "Munguva pfupi yapfuura, kuputika kwa1991 kweGomo rePinatubo, rimwe gomo rinoputika (riri muPhilippines), kwakaderedza tembiricha yenyika kwamakore anenge 2 - 3, kuchiputsa muitiro wokudziya kwepasi wakanga uri pachena kubva munenge muna 1970".