احتمال تعرض واشنطن لنشاط بركاني

[كلمة المنطق]

VANCOUVER, Washington (CNN) -- Geologists warned late Monday that two small eruptions of steam and ash from Mount St. Helens earlier in the day were likely precursors of a much larger explosion that could soon occur.

http://i.a.cnn.net/cnn/2004/TECH/science/10/04/mt.st.helens/story.1.mon.jpg

October 4: A plume of steam and ash rises from Mount St. Helens.
المصدر cnn.com