Sumatra Earthquake and Tsunami – Indonesia – December 26, 2004. / / By. Around 8 A.M. on December 26, 2004, an earthquake of magnitude 9.1 hit northern Sumatra in Indonesia, and then shook most of the world by causing the deadliest tsunami in human history.What was the size of the 2004 Sumatra earthquake?
Sumatra, Indonesia Earthquake and Tsunami, 26 December 2004 On 26 December 2004, a magnitude 9.1 earthquake (3.316 N, 95.854 E, depth 30 km) occurred off the coast of northern Sumatra, Indonesia.What was the magnitude of the 2004 Indian Ocean earthquake?
The 2004 Indian Ocean earthquake was initially documented as having a moment magnitude of 8.8. In February 2005, scientists revised the estimate of the magnitude to 9.0.What was the speed of the 2004 tsunami?
In tsunami models, because of its size, we have to include the time it takes for the 2004 earthquake to unzip along the fault. Like a propagating crack in a frozen lake, the rupture front for this earthquake moved at a high speed of approximately 2.5 km/s, typical for subduction zone earthquakes.