A cikin sa'o'i 24 bayan girgizar kasa mai karfin awo 8.3 da ta yi sanadin mutuwar mutane 119 a Samoa da Samoa ta Amurka, wata girgizar kasa mai karfin gaske ta sake afkuwa. A wannan karon mai karfin maki 7.6 a ma'aunin Richter, girgizar kasa mai karfin gaske ta afku a gabar tekun Sumatra, kuma ya zuwa yanzu ta kashe mutane akalla 75 tare da makalewa dubbai karkashin tarkace da baraguza, a cewar jami'an Indonesia.
An bayar da rahoton cewa, girgizar kasar Sumatra ta girgiza makwabciyarta Singapore da Malaysia kuma a takaice ta haifar da fargabar sake afkuwar igiyar ruwa a kasashen da ke kusa da tekun Indiya. Da farko dai an bayar da sanarwar afkuwar tsunami a yankin, amma sai aka dakatar da shi bayan sa'o'i.
Masanin ilimin kimiya na kasa da kasa Randy Baldwin na cibiyar nazarin yanayin kasa ta Amurka ya tabbatar da cewa girgizar kasar Samoa da Indonesiya ba ta da alaka. "Akwai nisa kadan da ke raba girgizar asa daban-daban guda biyu, babu wata alaka," kamar yadda ya shaida wa manema labarai. "Yanki ne kawai mai aiki sosai a kusa da kewayen Tekun Pasifik."
A cewar Baldwin, girgizar ta samo asali ne mai nisan mil 31 daga arewa maso yammacin birnin Padang da ke kudancin Sumatra. Yankin yana kan layin kuskure daya haifar da bala'in tsunami na Indiya a 2004 wanda ya kashe mutane sama da 230,000.
A gefe guda kuma, wata girgizar kasa ta afku a kasashen Peru da Bolivia. Hukumar binciken yanayin kasa ta Amurka ta bayyana cewa, girgizar mai karfin awo 6.3 ta afku a kudu maso gabashin kasar Peru, kusa da La Paz babban birnin kasar Bolivia. A cewar rahotanni, girgizar kasar mai nisan mil 160.3 ta afku a kimanin mil 100 arewa maso yammacin La Paz.
