Á¦ ¸ñ    zWCWkCvZVgKuez ÀÌ ¸§    Fausto ³¯ Â¥    2018/06/29 Á¶ ȸ    1 I'm self-employed mortgage resolution partners "The frequency of this tremor is unusually high for a volcano, and it's not easily explained by many of the accepted theories," said Alicia Hotovec-Ellis, a UW doctoral student in Earth and space sciences.