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Catastrophe modeler releases India earthquake model

Catastrophe modeler releases India earthquake model

AIR Worldwide has released an India earthquake model intended to help companies better manage their risk from earthquake shake and liquefaction.

The AIR Earthquake Model for India estimates losses to residential, commercial, and small industrial buildings and losses to automobiles, the Boston-based catastrophe modeler said Monday in a statement. The model's vulnerability component has been tailored to India's unique construction practices and code requirements and has been peer-reviewed by local experts at leading Indian institutions, according to the statement.

The model includes a historical event set comprising earthquakes that have affected India and surrounding regions for more than two centuries, ranging from the magnitude-8.8 Chittagong quake in 1762 to the magnitude-7.8 Nepal quake in 2015. It also incorporates findings from damage surveys and structural engineering research.

AIR has also developed a liquefaction module covering the major exposure concentrations of New Delhi, Mumbai, and Kolkata, incorporating high-resolution data on soil and ground water from numerous geotechnical and geological studies. It also updated the Industry Exposure Database for India, which includes the newly formed state of Telangana and densely populated areas of India, according to the statement.

“We've employed several innovative methodologies to achieve a complete view of India's complex seismicity and the vulnerability of its building stock,” said Praveen Sandri, executive vice president and managing director of AIR's India office Hyderabad. “By covering earthquake-triggered perils such as liquefaction, in addition to ground shaking, AIR's new Earthquake Model for India raises the bar in terms of comprehensiveness.”

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