Skip to main content
U.S. flag

An official website of the United States government

This site is currently in beta, and your feedback is helping shape its ongoing development.

NEOWAVE Regional Tsunami Model: Kalapana 1975: Hawaii: Hawaii Island: Punaluu

Published by Pacific Islands Ocean Observing System (PacIOOS) | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 27, 2026 | Last Modified: 2022-05-06T00:00:00.000+00:00
Non-hydrostatic Evolution of Ocean WAVEs (NEOWAVE) regional tsunami model for the south-southeast coast of Hawaii Island in the State of Hawaii, stretching from beyond Nalehu and Whittington Beach Park in the south to the southern reaches of Hawaii Volcanoes National Park in the north and including Punaluu Beach. Provides a nearshore hazard map of inundation based on the 1975 Kalapana tsunami. Data are gridded at approximately 30-m resolution referenced to the WGS84 coordinate system and use a vertical datum of mean sea level (MSL). This shock-capturing, dispersive wave model computes tsunami generation, propagation, and inundation for complex flow patterns in shelf and reef environments. It has been validated with analytical, laboratory, and field benchmarks and is approved by the National Tsunami Hazard Mitigation Program. These hazard maps cover tsunamis only; other potential hazards such as wind waves and swells would be additive to the inundation described by these data.

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov