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Your search for categories "Earthquake" has returned 37 results.
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The New Madrid Earthquake Bicentennial: Revisiting A Midwest Mystery

Articles | AIR Currents Article
December 19, 2011

This month marks the 200th anniversary of the first in a series of large earthquakes that took place in the heartland of the United States in the winter of 1811/12. AIR Director of Earthquake Hazard Dr. Mehrdad Mahdyiar and Dr. Paolo Bazzurro, AIR Principal Engineer and Director of Engineering Analysis and Research, describe the research community’s current understanding of what happened and outline the financial implications of a recurrence.
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Optimizing Earthquake Catalogs for Better Model Performance

Articles | AIR Currents Article
July 28, 2011

In this article, Dr. Guillermo Franco (Manager & Principal Engineer, Decision Analytics) and Dr. Mehrdad Mahdyiar (Director, Earthquake Hazard) discuss the problem of sampling variability in constraining catalog size and explain AIR’s flexible and sophisticated optimization algorithms.
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Rethinking the Unthinkable: Modeling Unprecedented Ruptures Like the Great Tohoku Earthquake

Articles | AIR Currents Article
April 25, 2011

The Japan Trench—source of the M9.0 Tohoku earthquake—is one of the most seismically active subduction zones in the world and has a long record of strong earthquakes. Nevertheless, based on historical seismicity, scientists did not expect such a powerful earthquake in Japan’s northeast region. In this article, AIR principal scientist. Bingming Shen-Tu and AIR director of earthquake hazard research Mehrdad Mahdyiar explore why the magnitude of the event, if not the magnitude of the loss, was a surprise and discuss its implications on future modeling of seismic risk in Japan.
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Earthquake Risk in Japan After Tohoku: Updates to the AIR Model

Articles | AIR Currents Article
January 24, 2013

This article provides a high level overview of some of the most significant changes in the forthcoming update to the AIR Earthquake Model for Japan, scheduled for release in June 2013.
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India Earthquake Megadisaster: Are You Prepared?

Articles | AIR Currents Article,Megadisaster Article
January 26, 2017

A moderate 5.7 magnitude earthquake strikes Northern India, its epicenter located in the Jhajjar district of Haryana, not more than 2 km west of Delhi. The earthquake occurs at a shallow depth of just 3.2 km; it causes widespread destruction across the districts of Delhi, Haryana and Uttar Pradesh.
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Earthquake Risk in the United States: A Major Model Update

Articles | AIR Currents Article
January 26, 2017

This article provides an overview of updates made to the AIR Earthquake Model for the United States, including a discussion on the newly available seismic hazard data.
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The Quake that Moved Mt. Everest: AIR’s Damage Survey in Nepal

Articles | AIR Currents Article
July 22, 2015

On April 25, 2015, Nepal was hit by a devastating M7.8 earthquake, the strongest in 80 years. Seventeen days later, an M7.3 aftershock shook the already reeling nation. AIR joined the Earthquake Engineering Field Investigation Team to conduct damage surveys and assess the impacts of these catastrophic events.
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A Multi-Peril View of Catastrophe Risk in China

Articles | AIR Currents Article
July 24, 2013

In this article, Heidi Wang, Senior Manager in AIR’s Business Development group, and Albert Chen, manager of AIR’s China operations, discuss the growth of China’s insurance market and the increasing number—and value—of the country’s exposures, which reinforce the need to take a multi-peril view of risk.
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Twenty Years After Northridge—Can We Fix Earthquake Insurance in California?

Articles | AIR Currents Article
January 23, 2014

This month marks the 20th anniversary of the M6.7 Northridge Earthquake—the major turning point in the history of California’s earthquake insurance industry. This article discusses how earthquake insurance has evolved since 1994 and what role catastrophe models can have in shaping its future.
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Note on Managing Earthquake Risk in Israel

Articles | AIR Currents Article
May 27, 2014

Ever since a series of five minor earthquakes struck northern Israel during one week in late October 2013, earthquake preparedness has been on the minds of many in Israel—including insurers. Although the largest of these October quakes was magnitude 3.5 (M3.5) and did not cause major damage, many wondered if this “earthquake swarm” was a portent of a larger quake in the near term. No one has the definitive answer, but insurers can understand their earthquake risk better through a comprehensive view of regional seismicity. This Note takes a brief look at the hazard.
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