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A seismogram recorded in Massachusetts, United States. The magnitude 9.1 (M w) undersea megathrust earthquake occurred on 11 March 2011 at 14:46 JST (05:46 UTC) in the north-western Pacific Ocean at a relatively shallow depth of 32 km (20 mi), with its epicenter approximately 72 km (45 mi) east of the Oshika Peninsula of Tōhoku, Japan, lasting approximately six minutes.
- How It Happened
- High Costs
- From Peril to Preparedness
- References
The 2011 event resulted from thrust faulting on the subduction zone plate boundary between the Pacific(link is external) and North America(link is external) plates, according to the U.S. Geological Survey(link is external). This region has a high rate of seismic activity, with the potential to generate tsunamis. Past earthquakes that generated tsun...
In Japan, the event resulted in the total destruction of more than 123,000 houses and damage to almost a million more. Ninety-eight percent of the damage was attributed to the tsunami. The costs resulting from the earthquake and tsunami in Japan alone were estimated at $220 billion USD. The damage makes the 2011 Great East Japan earthquake and tsun...
To learn from the tragedy in Japan, researchers collected extensive data on tsunami wave forces and building performance. This facilitated improvement in tsunami mitigation strategies, such as building codes. Over 6,200 tsunami wave measurementswere collected in Japan and the Pacific region. Several thousands of lives across the world were lost to ...
Kong, L., P. Dunbar, and N. Arcos (2015). Pacific Tsunami Warning System: A Half-Century of Protecting the Pacific 1965-2015. Honolulu: International Tsunami Information Center. Satake, K. (2014). Chapter 24, The 2011 Tohoku, Japan, Earthquake and Tsunami. Extreme Natural Hazards, Disaster Risks and Societal Implications, Cambridge University Press...
Mar 10, 2021 · FILE - This March 15, 2011, file image made available from Tokyo Electric Power Company (TEPCO) via Kyodo News, shows the damaged No. 4 unit of the Fukushima Daiichi nuclear power plant in Okuma town, northeastern Japan. A magnitude 9.0 earthquake strikes off the coast at 2:46 p.m. March 11, 2011, triggering a towering tsunami that smashes into ...
The epicenter of 2011 Tohoku-Oki earthquake was off the east coast of northern Japan. Image via USGS. The magnitude 9.0 Tohoku-Oki earthquake that struck Japan on 11 March 2011, killing more than ...
A convoy of fire engines in the tsunami zone. The aftermath of the 2011 Tōhoku earthquake and tsunami included both a humanitarian crisis and massive economic impacts. The tsunami created over 300,000 refugees in the Tōhoku region of Japan, and resulted in shortages of food, water, shelter, medicine and fuel for survivors. 15,900 deaths have been confirmed.
A magnitude-9.0 earthquake struck off Honshu island on March 11, 2011. It caused widespread damage on land and initiated a series of tsunami waves that devastated many coastal areas of Japan, most notably in the Tōhoku region. Officially, about 18,500 people were killed or reported missing and presumed dead, and hundreds of thousands were ...
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Mar 11, 2011 · Earthquake Summary. Name: The 2011 Great East Japan Earthquake (The 2011 off the Pacific coast of Tohoku Earthquake) Date and Time: 11 March 2011 14:46 JST (05:46 UTC) Hypocenter: 38° 6.2′ N, 142° 51.6′ E (130km ESE off Oshika Peninsula) Depth 24km. Magnitude: 9.0 (the largest earthquake recorded in Japan)
