Off Coast of Northern Sumatra Earthquake

Mainshock

• Origin time: December 26, 2004 at 00:58:49 UTC (USGS)
• Location: 3.244°N 95.825°E (USGS)
• Depth: 10 km (USGS)
• Magnitude: 9.0 (USGS)

Information in our site

• Preliminary Results of Rupture Process by Dr. Yagi
• Past Seismic Activity of Northern Sumatra from Utsu Catalog (plotted by Dr. Hara)
• Relocated hypocenters by the modified joint hypocenter determination (MJHD) (Dr. Hurukawa)

Direct links

• USGS Earthquake Hazards Program (EHP)
• Source Rupture Processes and Slip Distribution Modelling by Prof. Tuncay Taymaz, İstanbul Technical University

Earthquake catalogs in our site

• IISEE's CMTs, Aftershock Distributions, Fault planes, and Rupture processes for recent large earthquakes in the world
• Catalog of Damaging Earthquakes in the World (from ancient times through June, 2009)

Institutions

• United States Geological Survey (USGS), USA
• Incorporated Research Institutions for Seismology (IRIS)