Emergency Observation of Tsunami in Indonesia by PRISM and AVNIR-2 onboard "Daichi" (ALOS)
Kepulauan Mentawai of West Sumatra in Indonesia was seriously damaged by Tsunami caused by the 7.7-magnitude large earthquake which was occurred at 23:42 (JST), 14:42 (UTC) on October 25, 2010. Sentinel Asia has triggered the emergency observation to monitor the state of the damage by the Panchromatic Remote-sensing Instrument for Stereo Mapping (PRISM) and the Advanced Visible and Near Infrared Radiometer type 2 (AVNIR-2)* onboard the Advanced Land Observing Satellite (ALOS, "Daichi") at 12:45 (JST) or 3:45 (UTC) on October 28, 2010.Fig. 1 shows an observed image and is color assigned band 3, 2 and 1 of AVNIR-2 as the true color composite.
JAXA plans continuous observation of this area in future as well and, these acquired images were provided to Indonesian National Institute of Aeronautics And Space (LAPAN) via "Sentinel Asia".