2004 Indian Ocean tsunami: From epicentre to casualties and environmental impression, wanting again 17 yrs later

2004 Indian Ocean tsunami: From epicentre to casualties and environmental impression, wanting again 17 yrs later


On the seventeenth anniversary of the catastrophe at this time, right here’s a glance again at what occurred

Indian untouchables reside of their tsunami-damaged home in Tirumullaivasal village, within the southern Indian state of Tamil Nadu, January 20, 2005. Picture taken January 20. REUTERS/Kamal Kishore KK – RTRL49F

On the morning of 26 December, 2004, an underwater earthquake with a magnitude of 9.1 struck off the coast of the Indonesian island of Sumatra. In the subsequent seven hours, the world witnessed one in all its deadliest tsunamis in recorded historical past, claiming the lives of greater than 2,27,000 folks in South Asia.

On the seventeenth anniversary of the catastrophe at this time, right here’s a glance again at what occurred:

Epicentre and impression
The Indian Ocean earthquake and tsunami of 2004 or the Sumatra-Andaman earthquake because it was recognized within the scientific group was documented as having a magnitude of 9.0.

The hypocentre of the earthquake was roughly 160 km off the western coast of northern Sumatra, within the Indian Ocean at a depth of 30 kilometres. Tremors have been felt in India, Sri Lanka, Bangladesh, Malaysia, Myanmar, Thailand, and Maldives.

According to a CNN report, the tremors have been so highly effective that it was a type of uncommon occurrences when all the world vibrated. “Globally, this earthquake was large enough to basically vibrate the whole planet as much as half an inch, or a centimeter,” the report quoted Charles Ammon, an affiliate professor of geosciences on the Penn State University within the United States as saying.

The 2004 Indian Ocean earthquake was massive in geographical and geological extent. An estimated 1,600 kilometres of fault floor slipped alongside the subduction zone the place the Indian Plate slid beneath the Burma Plate.

The sudden vertical rise of the seabed as a result of earthquake displaced huge volumes of water, ensuing within the tsunami that struck the coasts of the Indian Ocean creating havoc in 14 coastal international locations. According to Tad Murty, vice-president of the Tsunami Society, the entire power of Boxing Day tsunami was equal to about 5 megatons
of TNT, twice the entire explosive power used throughout World War II. In many locations, the waves reached 2 kilometres inland.

Since the tsunami occurred in a big space geographically, it took from quarter-hour to seven hours to achieve the coast traces of the Indian Ocean. While Indonesian island of Sumatra was hit rapidly, Sri Lanka and the east coast of India have been hit 90 minutes later. The top of the largest waves to hit the land, which was in Indonesia’s Aceh area, measured 65 ft.

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Casualties and damages
The tsunami claimed the lives of greater than 170,000 in Indonesia alone, adopted by Sri Lanka (35,322), India (16,269), Thailand (8,212), Somalia (289), Maldives (108), Malaysia (75), Myanmar (61) and Tanzania (13), says a report by Britannica.

The 2004 earthquake managed to ship aftershocks as far-off as Alaska and the plight of the victims prompted a worldwide humanitarian response, with donations of $14 billion. 1.7 million folks have been displaced as a result of tsunami with damages price $9.9 billion estimated throughout the affected international locations. Scarcity of meals, clear water, and medicines together with the daunting process of reduction employees making an attempt to get provides into distant areas and islands prolonged the record of casualties.

Environmental impression
The international locations which received affected by the tsunami additionally witnessed long-term environmental damages. Apart from lack of lives, Boxing Day tsunami broken ecosystems equivalent to mangroves, coral reefs, coastal wetlands, sand dunes and rock formations, biodiversity and groundwater.

Colombo’s International Water Management Institute monitored the results of saltwater and mentioned that wells recovered to pre-tsunami consuming water high quality one-and-a-half years after the occasion.

How it affected India
Despite the time hole between the earthquake and the impression of the tsunami, not one of the impacted international locations may very well be warned of the upcoming catastrophe. There have been no tsunami warning techniques within the Indian Ocean to detect tsunamis or to warn the general public.

After the 2004 tsunami, India realised that it’s inclined to tsunamis too and the Indian Tsunami Early Warning System (ITEWS) at Indian National Centre for Ocean Information Services (INCOIS) was began in October 2007.

Survivors, household mild candles
Survivors and relations of the victims in Tamil Nadu on Sunday lit candles, and prayed for those who perished. People additionally collect yearly to hope on the Siron Tsunami Memorial Park in Aceh province
remembering the Indonesians who died within the tsunami.

People pray on the Siron Tsunami Memorial Park in Aceh province to mark the seventeenth anniversary of the 9.1 magnitude earthquake that struck the province on Boxing Day in 2004, inflicting a tsunami that claimed the
lives of greater than 170,000 in Indonesia alone.

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