EARTHQUAKE IN SUMATRA 2005 By : Kyle Bernard & Ryan Hay
Classification Geological Disaster
Natural Hazard Event March 28 th 2005 – Sumatra, Indonesia
Consequences 1300 casualties Nearly caused a tsunami 8 major aftershocks occurred Power outages in Banda Aceh Second most powerful earthquake since 1965.
Other Potential Natural Hazards Occasional floods Severe droughts Tsunamis Earthquakes Volcanoes Forest fires
Population At time of disaster Causalities Population at time was 45 million 1300 dead Number of injuries unknown
Frequency There is on average about 4 or 5 earthquakes per year in this region
Duration This traumatic event lasted for a painful 2 minutes, but within the following 24 hours there were 8 aftershocks. Each aftershock was on average 5.7 on the Richter scale.
Extent This tragic event affected all of Indonesia and some parts of Asia. This earthquake was felt as far away as Bangkok, Thailand; nearly 620 miles away.
Speed of Onset It came swiftly without any signs before hand; but the aftershocks had the warning for the Indonesians of the initial earthquake.
Spatial Dispersion This particular are is in fact likely to have earthquakes; as frequently as 4 times a year, because it is located so closely to the Indo-Australian Plate to the south-west and the Eurasian plate Sunda edge.
Temporal Spacing Refer to last slide.