Lifted coral at Simeulue Island, Indonesia, 2005.
Helicopter reconnaissance after Mentawai earthquake and tsunami, Indonesia, 2010.
Measuring reef boulders transported during typhoon Haiyan on a wave-cut terrace in Hernani, Samar, Philippines, 2014.
Sinking Mentawai Islands in Sumatra, Indonesia, 2010.
Woman and child in an earthquake-damaged market in Padang, Indonesia, 2013.
Mersing formation with folds and faults.
A microatoll near Belitung Island in Indonesia, 2011.
Observing a fault in a layered outcrop, Myanmar.
Mayon volcano from the east side