ALOS/PALSAR Observation Results of the Magnitude-7.0 Earthquake in the South Island of New Zealand in 2010 (1)
On September 4, 2010 (UTC), a magnitude 7.0 earthquake occurred inland (43.53° S, 172.12° E, 5 km in depth) on New Zealand's South Islands. The Japan Aerospace Exploration Agency (JAXA) performed an emergency observation on September 11 using the Phased Array type L-band Synthetic Aperture Radar (PALSAR) installed on the Advanced Land Observing Satellite (ALOS). In this report, we conduct differential interferometric SAR (DInSAR) processing to detect crustal deformation associated with the earthquake using PALSAR data acquired before (March 5, 2008) and after (September 11, 2010) the earthquake.
ALOS/PALSAR observed the epicentral area including Christchurch where was damaged by the earthquake.The blue rectangle indicates the observation area shown in Fig. 2 and the red star represents the epicenter.
JAXA plans to continue ALOS observations of the afflicted area in the New Zealand.