Archival and Discovery of May 16, 1968 Tsunami Event on Marigrams

NOAA National Centers for Environmental Information have more than 3,000 tsunami marigram (tide gauge) records in both image and paper format. The majority of these tsunami marigram records were scanned to high-resolution digital tiff images during the NOAA Climate Data Modernization Program (CDMP). There still remain shelves full of deteriorating paper records that are in need of rescue reformatting to scanned images before they are lost. As a follow-up to a successful 2016 BEDI project resulting in the archival and discovery of data held on marigrams during four large tsunamis (1946, 1952, 1960, 1964), marigrams from five additional tsunami events in 1854, 1883, 1896, 1933, and 1968 have been digitized. These additional five tsunami events were generated in both the Pacific and Indian Oceans and are rarely cited in research due to lack of data access. The five tsunami events proposed here for reformat, archive, and discovery in 2017 reside only on these same paper marigram records. Each of these datasets are of great importance as very little digital data exists from tsunamis that occurred during this time period, particularly those prior to the turn of the 20th Century. These events are not only historically important but with new research into tsunami probabilities, are statistically important as well. Similar to seismic hazard analyses, the tsunami community is now focused on tsunami recurrence rates through probabilistic tsunami hazard analysis to support land-use and construction decision-making. As a result, measurements of these tsunamis are not only expected to provide researchers with important information linking earthquake rupture to tsunami generation and propagation characteristics, but will add a significant number of tsunami data points to recurrence rates calculations. All data reformatted as part of this project will be brought into compliance with NOAA Data Directives and meet the requirements for Data Management, Discoverability, Accessibility, Documentation, Readability, and Data Preservation and Stewardship as per the Big Earth Data Initiative (BEDI). BEDI is designed to promote interoperability of Earth observation data across Federal agencies, systems and platforms through the improvement of data management practices and increased discoverability, accessibility, and usability of data collections.

Data and Resources

Additional Info

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Last Updated August 23, 2018, 22:20
Created August 23, 2018, 22:20
access_constraints ["Cite as: NOAA National Centers for Environmental Information; NOAA Center for Tsunami Research (2018): Archival and Discovery of May 16, 1968 Tsunami Event on Marigrams. NOAA National Centers for Environmental Information. doi:10.7289/V54X564T [access date]", "Use Constraints: Public domain data from the National Centers for Environmental Information (NCEI), an agency of the National Oceanic and Atmospheric Administration (NOAA), are freely redistributable with proper metadata and source attribution. Please recognize NCEI as the source of these data. You are not permitted to use NCEI's name or to suggest that NCEI endorses your project or product, without its express written consent. While efforts have been made to ensure that these data are accurate and reliable within the state of the art, NCEI cannot assume liability for any damages or misrepresentation caused by any inaccuracies in the data or as a result of changes to the data caused by system transfers. The user must be aware of data conditions and bear responsibility for the appropriate use of these data with respect to possible errors, original drawing scale, collection methodology, currency of data, and other conditions specific to these data. Distribution Liability: Although every effort has been made to ensure the accuracy of these data, errors and conditions originating from physical sources used to develop these data may be reflected in the data supplied. The client must be aware of data conditions and bear responsibility for the appropriate use of the information with respect to possible errors, original drawing scale, collection methodology, currency of data, and other conditions specific to certain data. In no event shall NCEI be liable for any damages, whether general, special, incidental or consequential damages, arising out of your use of these data. Your sole remedy for damages is to stop using the data. You agree to defend, indemnify, and hold harmless NCEI and its employees or affilitates against any claim, loss, liability or expense, including attorneys' fees, resulting from loss of or damage to property or the injury to or death of any person arising out of the use of the data."]
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bbox-north-lat 41.74500
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bbox-west-long 141.00000
contact-email haz.info@noaa.gov
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dataset-reference-date [{"type": "creation", "value": "2018-07-20"}]
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graphic-preview-description Digitized marigram from Kahului, Maui, Hawaii, USA, 1968-05-16
graphic-preview-file https://www.ngdc.noaa.gov/hazard/data/marigrams/2000/19680516_kahului_554x300px.png
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temporal-extent-begin 1968-05-13T11:28:08Z
temporal-extent-end 1968-05-19T19:29:20Z