The 2004 Indian Ocean tsunami
W–066
On 26 December 2004, a wave entered Ao Nang bay in Thailand. People were near the shore as David Rydevik photographed the advancing water. An earthquake off Sumatra had sent waves across the Indian Ocean.
The disaster began with a magnitude 9.1 earthquake off the west coast of northern Sumatra. It struck at 00:58 UTC, around eight in the morning locally. Seafloor displacement along the boundary between tectonic plates set a vast mass of water in motion. This was the Indian Ocean; some reposts incorrectly place the earthquake in the Pacific.
Waves reached Indonesia, Thailand, Sri Lanka, India and other countries. Their heights and arrival times depended on distance, seafloor topography and the shape of the coast. Some coasts had minutes before the impact, others hours. Waves arrived in succession, and the first was not necessarily the highest.
Indonesia’s Aceh province, close to the earthquake, suffered particularly severe losses. Water destroyed homes, roads and communications, swept people away and left coastal districts covered in debris. In Sri Lanka and Thailand, settlements, transport and tourist beaches were affected. NOAA records 227,899 people dead or missing. The widely cited figure of roughly 230,000 includes both categories.
In the first days, rescuers searched for survivors, delivered clean water and food, provided medical treatment and recovered the dead. Where roads had disappeared, helicopters carried supplies and patients. Photographs from Aceh in January 2005 show water distribution, supplies being unloaded and survivors being taken to medical tents.
The loss of a home did not end when the water receded. Temporary tent settlements remained for months while land was cleared and housing and livelihoods were rebuilt. In Aceh, international assistance included the construction of new homes. In Sri Lanka, graves and a memorial at Peraliya commemorate the dead; Adam Jones photographed them in 2014.
In 2004, the Indian Ocean had no shared tsunami-warning system. Following the disaster, regional countries began creating one in 2005 under UNESCO’s coordination. In 2013, regional centres in Australia, India and Indonesia took over warning responsibilities from the interim international service. Monitoring networks and notification procedures changed; coastal communities also developed evacuation routes and practised drills.
Photographs and documents
1. The wave at Ao Nang

Sources and provenance for frame 1
The date concerns the photograph, not its upload. Part of a documentary collection spanning photographers, places and dates.
The source identifies the historical image as public domain.
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David RydevikFile on WITNESS · 1536 × 11142. A wave at Kata Noi

Sources and provenance for frame 2
The date concerns the photograph, not its upload. Part of a documentary collection spanning photographers, places and dates.
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File: 800 × 600 px. Downloaded bytes preserved unchanged; separate uncropped WebP preview. Source file.
Per Honor et Gloria / PHGFile on WITNESS · 800 × 6003. Receding water

Sources and provenance for frame 3
The date concerns the photograph, not its upload. Part of a documentary collection spanning photographers, places and dates.
Licence: CC BY-SA 3.0. Source file unchanged; uncropped WebP preview.
File: 800 × 600 px. Downloaded bytes preserved unchanged; separate uncropped WebP preview. Source file.
PHGFile on WITNESS · 800 × 6004. Water level

Sources and provenance for frame 4
The date concerns the photograph, not its upload. Part of a documentary collection spanning photographers, places and dates.
The source identifies the historical image as public domain.
File: 909 × 706 px. Downloaded bytes preserved unchanged; separate uncropped WebP preview. Source file.
PHGFile on WITNESS · 909 × 7065. Damaged rooms

Sources and provenance for frame 5
The date concerns the photograph, not its upload. Part of a documentary collection spanning photographers, places and dates.
The source identifies the historical image as public domain.
File: 1600 × 1200 px. Downloaded bytes preserved unchanged; separate uncropped WebP preview. Source file.
Per Honor et Gloria / PHGFile on WITNESS · 1600 × 12006. Patong the next day

Sources and provenance for frame 6
The date concerns the photograph, not its upload. Part of a documentary collection spanning photographers, places and dates. An available reduced Wikimedia delivery copy is used; the larger original was not obtained.
Licence: CC BY-SA 3.0. Source file unchanged; uncropped WebP preview.
File: 1280 × 960 px. Downloaded bytes preserved unchanged; separate uncropped WebP preview. Source file.
Thorfinn StainforthFile on WITNESS · 1280 × 9607. Damage at Patong

Sources and provenance for frame 7
The date concerns the photograph, not its upload. Part of a documentary collection spanning photographers, places and dates.
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File: 1014 × 693 px. Downloaded bytes preserved unchanged; separate uncropped WebP preview. Source file.
Milei.vencelFile on WITNESS · 1014 × 6938. The dead at Matara

Sources and provenance for frame 8
The date concerns the photograph, not its upload. Part of a documentary collection spanning photographers, places and dates.
Licence: CC BY 2.0. Source file unchanged; uncropped WebP preview.
File: 640 × 480 px. Downloaded bytes preserved unchanged; separate uncropped WebP preview. Source file.
Sarvodaya ShramadanaFile on WITNESS · 640 × 4809. The shore at Batticaloa

Sources and provenance for frame 9
The date concerns the photograph, not its upload. Part of a documentary collection spanning photographers, places and dates. An available reduced Wikimedia delivery copy is used; the larger original was not obtained.
Licence: CC BY-SA 3.0. Source file unchanged; uncropped WebP preview.
File: 1280 × 769 px. Downloaded bytes preserved unchanged; separate uncropped WebP preview. Source file.
Anton CroosFile on WITNESS · 1280 × 76910. Aceh from the air

Sources and provenance for frame 10
The date concerns the photograph, not its upload. Part of a documentary collection spanning photographers, places and dates. An available reduced Wikimedia delivery copy is used; the larger original was not obtained.
The source identifies the historical image as public domain.
File: 1280 × 914 px. Downloaded bytes preserved unchanged; separate uncropped WebP preview. Source file.
Patrick M. Bonafede / U.S. NavyFile on WITNESS · 1280 × 91411. Bodies among the debris

Sources and provenance for frame 11
The date concerns the photograph, not its upload. Part of a documentary collection spanning photographers, places and dates. An available reduced Wikimedia delivery copy is used; the larger original was not obtained.
The source identifies the historical image as public domain.
File: 1280 × 960 px. Downloaded bytes preserved unchanged; separate uncropped WebP preview. Source file.
Michael L. Bak / U.S. Department of DefenseFile on WITNESS · 1280 × 96012. Food delivered by air

Sources and provenance for frame 12
The date concerns the photograph, not its upload. Part of a documentary collection spanning photographers, places and dates. An available reduced Wikimedia delivery copy is used; the larger original was not obtained.
The source identifies the historical image as public domain.
File: 1280 × 1792 px. Downloaded bytes preserved unchanged; separate uncropped WebP preview. Source file.
Patrick M. Bonafede / U.S. NavyFile on WITNESS · 1280 × 179213. Medical care

Sources and provenance for frame 13
The date concerns the photograph, not its upload. Part of a documentary collection spanning photographers, places and dates. An available reduced Wikimedia delivery copy is used; the larger original was not obtained.
The source identifies the historical image as public domain.
File: 1280 × 1792 px. Downloaded bytes preserved unchanged; separate uncropped WebP preview. Source file.
Seth C. Peterson / U.S. NavyFile on WITNESS · 1280 × 179214. Drinking-water supplies

Sources and provenance for frame 14
The date concerns the photograph, not its upload. Part of a documentary collection spanning photographers, places and dates. An available reduced Wikimedia delivery copy is used; the larger original was not obtained.
The source identifies the historical image as public domain.
File: 1280 × 914 px. Downloaded bytes preserved unchanged; separate uncropped WebP preview. Source file.
Seth C. Peterson / U.S. NavyFile on WITNESS · 1280 × 91415. On a stretcher

Sources and provenance for frame 15
The date concerns the photograph, not its upload. Part of a documentary collection spanning photographers, places and dates. An available reduced Wikimedia delivery copy is used; the larger original was not obtained.
The source identifies the historical image as public domain.
File: 1280 × 914 px. Downloaded bytes preserved unchanged; separate uncropped WebP preview. Source file.
Seth C. Peterson / U.S. NavyFile on WITNESS · 1280 × 91416. Bowls by a damaged home

Sources and provenance for frame 16
The date concerns the photograph, not its upload. Part of a documentary collection spanning photographers, places and dates. An available reduced Wikimedia delivery copy is used; the larger original was not obtained.
The source identifies the historical image as public domain.
File: 1280 × 1792 px. Downloaded bytes preserved unchanged; separate uncropped WebP preview. Source file.
Tyler J. Clements / U.S. NavyFile on WITNESS · 1280 × 179217. A mosque amid the ruins

Sources and provenance for frame 17
The date concerns the photograph, not its upload. Part of a documentary collection spanning photographers, places and dates.
The source identifies the historical image as public domain.
File: 900 × 675 px. Downloaded bytes preserved unchanged; separate uncropped WebP preview. Source file.
USGSFile on WITNESS · 900 × 67518. Temporary shelter

Sources and provenance for frame 18
The date concerns the photograph, not its upload. Part of a documentary collection spanning photographers, places and dates.
Licence: CC BY 2.0. Source file unchanged; uncropped WebP preview.
File: 640 × 480 px. Downloaded bytes preserved unchanged; separate uncropped WebP preview. Source file.
Sarvodaya ShramadanaFile on WITNESS · 640 × 48019. Rebuilding housing

Sources and provenance for frame 19
The date concerns the photograph, not its upload. Part of a documentary collection spanning photographers, places and dates. An available reduced Wikimedia delivery copy is used; the larger original was not obtained.
Licence: CC BY 2.0. Source file unchanged; uncropped WebP preview.
File: 1280 × 1920 px. Downloaded bytes preserved unchanged; separate uncropped WebP preview. Source file.
AusAID / Department of Foreign Affairs and TradeFile on WITNESS · 1280 × 192020. The Peraliya memorial

Sources and provenance for frame 20
The date concerns the photograph, not its upload. Part of a documentary collection spanning photographers, places and dates. An available reduced Wikimedia delivery copy is used; the larger original was not obtained.
Licence: CC BY-SA 2.0. Source file unchanged; uncropped WebP preview.
File: 1280 × 960 px. Downloaded bytes preserved unchanged; separate uncropped WebP preview. Source file.
Adam JonesFile on WITNESS · 1280 × 960