EARTHQUAKE IN EARTHQUAKE IN SUMATRA 2005SUMATRA 2005

By : Kyle Bernard & Ryan HayBy : Kyle Bernard & Ryan Hay

ClassificationClassification• Geological

Disaster

Natural Hazard EventNatural Hazard Event

• March 28th 2005 – Sumatra, Indonesia

Consequences 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 HazardsOther Potential Natural Hazards

• Occasional floods

• Severe droughts

• Tsunamis

• Earthquakes

• Volcanoes

• Forest fires

Population At time of disasterPopulation At time of disasterCausalities Causalities

• Population at time was 45 million

• 1300 dead

• Number of injuries unknown

FrequencyFrequency

• There is on average about 4 or 5 earthquakes per year in this region

DurationDuration

• 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.

ExtentExtent

• 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 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 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 SpacingTemporal Spacing

• Refer to last slide.