Tectonic Earthquake Accurred In Indonesia Again

www.bmg.go.id :
Tectonic earthquake occurred in Indonesia again, Wednesday (30/9/2009), this time struck Padang West Sumatra. Earthquake with earthquake locations 7.6SR strength is approximately 57 Km Southwest Pariaman, West Sumatra with a depth of 71 Km.

Earthquake which occurred at 17:16 pm was felt in Gunung Sitoli, Mukomuko, Sibolga, Liwa, Padang, Jakarta, Singapore to Malaysia. Damage caused by the extremely severe earthquake, reported RS M Jamil joined partly collapsed, and dozens of people trapped in the rubble.

kompas.com :
The earthquake was not centered on the tectonic plate subduction zone Indo-Australia and Eurasia. Explained Dr. Danny Hilman Natawidjaya, earthquake expert from the Lembaga Ilmu Pengetahuan Indonesia (LIPI).

"The earthquake fault is now the center piercing the crust below the city of Padang," Danny said when contacted Kompas.com, Thursday (1 / 10) morning. He said the epicenter was probably in the far end of the fault beneath the seabed.

This is also a by Danny can explain why the earthquake was not until the registration trigger big waves. "The dominant movement is not vertically and horizontally over the loss of so as not to create a tsunami," explained Danny.

However, Danny said it received reports of small tsunamis as high as that measured 20 inches on the west coast of Padang. According to him, the data do show there is little vertical movement during an earthquake occurs.

Danny admitted fault-fracture like that is difficult to detect because it is very deep and does not appear from the outside. To detect the need radar can detect layers of soil is very deep. During this time his side the focus to anticipate the impact of earthquakes in the Mentawai segment subduction zones that have been collecting huge energy to be released and the most vulnerable to the tsunami cause.