The following sections have been updated in the past 1 days.
------------------------------------------------------------------------



-- SEVERE STORMS (1 updated events, 1 new images) --

TYPHOON SONGDA
Songda formed as a tropical depression on May 20, 2011. It strengthened into a tropical storm the same day, and became a typhoon four days later.
* http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=50724&src=nha
 *** MODIS(Aqua) image from May 25, 2011 (Posted on May 25, 2011 12:59 PM)



-- VOLCANOES AND EARTHQUAKES (1 updated events, 1 new images) --

ERUPTION OF GRíMSVOTN VOLCANO, ICELAND
On May 21, 2011 Iceland's Grímsvotn Volcano erupted, sending an ash plume 20 kilometers (12 miles) high. Ash fell on much of Iceland, with some areas pitch black at midday on May 22. By May 24, ash had spread over the North Sea.
* http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=50722&src=nha
 *** MISR(Terra) image from May 22, 2011 (Posted on May 25, 2011 12:22 PM)

---------------------------------------------------------------------
Natural Hazards is a service of NASA's Earth Observatory.
http://naturalhazards.nasa.gov/    http://earthobservatory.nasa.gov/

If you have any questions or comments, please contact us:

http://earthobservatory.nasa.gov/contact/