With a moment magnitude (M w) of 8.6, the event caused substantial shaking damage and land level changes between Simeulue Island in the north and the Batu Islands in the south. 1, inset).This convergence is approximately partitioned … An 8.7 earthquake is half the size of a 9.0 earthquake. The magnitude was 8.7 on the Richter scale and located in NORTHERN SUMATRA, INDONESIA. Other recent earthquakes to strike Sumatra include the 2005 Nias–Simeulue earthquake and the 2010 Mentawai earthquake and tsunami. Staff The 28 March 2005 M w 8.7 Nias-Simeulue earthquake resulted from rupture of the subduction megathrust off the shore of northwestern Sumatra, southeast of the 26 December 2004 M w 9.1 Aceh-Andaman rupture (14, 15).In this region, the Indo-Australian plate converges obliquely toward the Sunda Block at a rate of ∼57 mm/year (Fig. The earthquake also generated a tsunami, which was observed throughout the … Talk:2005 Nias–Simeulue earthquake. The current 2005 earthquake is a return to the portion of the subduction zone of the 1861 earthquake.
Deformation and Slip Along the Sunda Megathrust in the Great 2005 Nias-Simeulue Earthquake By Richard W. Briggs , Kerry Sieh , Aron J. Meltzner , Danny Natawidjaja , John Galetzka , Bambang Suwargadi , Ya-ju Hsu , Mark Simons , Nugroho Hananto , Imam Suprihanto , Dudi Prayudi , Jean-Philippe Avouac , Linette Prawirodirdjo , Yehuda Bock (by a seismologist). On the evening of March 28, 2005 at 11:09 p.m. local time (16:09 UTC), a large earthquake occurred offshore of West Sumatra, Indonesia.


2 EERI Special Earthquake Report — August 2005 up” beaches in Nias and Simeulue, caused by uplift (see Figure 2). On March 28, 2005, the island was again hit by the 2005 Nias–Simeulue earthquake, initially presumed to be an aftershock of the 2004 quake, but now regarded as the second most powerful earthquake ever recorded in Indonesia and among the top 10 …

At least 915 people were killed, mostly on the island of Nias. The Northern Sumatra Earthquake of March 28, 2005 Editor’s Note: Beginning with the March issue and in each one sub- ... of the Nias/ Simeulue earthquake, March 28, 2005 (USGS). The 2005 Nias–Simeulue earthquake occurred on 28 March off the west coast of northern Sumatra, Indonesia. A great earthquake was noted at 23:09:36 hrs, local time at epicenter, on Monday, March 28, 2005.

The epicenter located 90 km south of Sinabang with 30 Km Depth 2.065 N 97.010 E; No Major Tsunami has been reported near the epicenter as yet.