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Maui Aeromagnetic Survey

Published by Ormat Nevada Inc | Department of Energy | Catalog Last Checked: October 15, 2026 at 11:02 PM | Dataset Last Updated: August 03, 2026 at 05:48 PM
Map, image, and data files, and a summary report of a high-resolution aeromagnetic survey of southern Maui, Hawai'i completed by EDCON-PRJ, Inc. for Ormat Nevada Inc using an helicopter and a towed sensor array.

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Complete Metadata
@type dcat:Dataset
accessLevel public
bureauCode 
[
  "019:20"
]
contactPoint 
{
  "fn": "John Akerley",
  "@type": "vcard:Contact",
  "hasEmail": "mailto:jakerley@ormat.com"
}
dataQuality 
true
description Map, image, and data files, and a summary report of a high-resolution aeromagnetic survey of southern Maui, Hawai'i completed by EDCON-PRJ, Inc. for Ormat Nevada Inc using an helicopter and a towed sensor array.
distribution 
[
  {
    "@type": "dcat:Distribution",
    "title": "Maui-Aeromag Report.pdf",
    "format": "pdf",
    "accessURL": "https://gdr.openei.org/files/900/Maui-Aeromag%20Report.pdf",
    "mediaType": "application/pdf",
    "description": "Summary report of the Maui aeromagnetic survey."
  },
  {
    "@type": "dcat:Distribution",
    "title": "Raw Data File.dat",
    "format": "dat",
    "accessURL": "https://gdr.openei.org/files/900/maui%20%281%29.dat",
    "mediaType": "text/html",
    "description": "Maui aeromagnetic survey actual flight line raw data file."
  },
  {
    "@type": "dcat:Distribution",
    "title": "Horizontal Gradient Grid.xyz",
    "format": "xyz",
    "accessURL": "https://gdr.openei.org/files/900/maui_hg%20%281%29.xyz",
    "mediaType": "application/octet-stream",
    "description": "Maui aeromagnetic horizontal gradient grid."
  },
  {
    "@type": "dcat:Distribution",
    "title": "Horizontal Gradient Map.pdf",
    "format": "pdf",
    "accessURL": "https://gdr.openei.org/files/900/maui_hg.pdf",
    "mediaType": "application/pdf",
    "description": "Horizontal gradient (HG) map of the Maui aeromagnetic survey."
  },
  {
    "@type": "dcat:Distribution",
    "title": "Horizontal Gradient Tilt Grid.xyz",
    "format": "xyz",
    "accessURL": "https://gdr.openei.org/files/900/maui_hgtilt%20%281%29.xyz",
    "mediaType": "application/octet-stream",
    "description": "Maui aeromagnetic horizontal gradient tilt grid."
  },
  {
    "@type": "dcat:Distribution",
    "title": "Horizontal Gradient Tilt Map.tif",
    "format": "tif",
    "accessURL": "https://gdr.openei.org/files/900/maui_hgtilt.tif",
    "mediaType": "application/octet-stream",
    "description": "Maui aeromagnetic horizontal gradient tilt map."
  },
  {
    "@type": "dcat:Distribution",
    "title": "Magnetic Field Reduced to Pole Grid.xyz",
    "format": "xyz",
    "accessURL": "https://gdr.openei.org/files/900/maui_rtp%20%281%29.xyz",
    "mediaType": "application/octet-stream",
    "description": "Maui aeromagnetic survey magnetic field reduced to pole grid."
  },
  {
    "@type": "dcat:Distribution",
    "title": "Magnetic Anomaly Map RTP.pdf",
    "format": "pdf",
    "accessURL": "https://gdr.openei.org/files/900/maui_rtp.pdf",
    "mediaType": "application/pdf",
    "description": "Magnetic anomaly map of the Maui aeromagnetic survey Reduced To Pole (RTP)."
  },
  {
    "@type": "dcat:Distribution",
    "title": "Tilt Grid.xyz",
    "format": "xyz",
    "accessURL": "https://gdr.openei.org/files/900/maui_tilt%20%281%29.xyz",
    "mediaType": "application/octet-stream",
    "description": "Maui aeromagnetic horizontal gradient grid. Note: Tilt derivative of RTP = RTP (Tan-1(Verical derivative/horizontal derivative))."
  },
  {
    "@type": "dcat:Distribution",
    "title": "Tilt Map.pdf",
    "format": "pdf",
    "accessURL": "https://gdr.openei.org/files/900/maui_tilt.pdf",
    "mediaType": "application/pdf",
    "description": "Tilt map of the Maui aeromagnetic survey with tilt derivative reduced to pole magnetics."
  },
  {
    "@type": "dcat:Distribution",
    "title": "Total Magnetic Intensity Grid.xyz",
    "format": "xyz",
    "accessURL": "https://gdr.openei.org/files/900/maui_tmi%20%281%29.xyz",
    "mediaType": "application/octet-stream",
    "description": "Maui aeromagnetic Total Magnetic Intensity grid."
  },
  {
    "@type": "dcat:Distribution",
    "title": "Magnetic Anomaly Map TMI.pdf",
    "format": "pdf",
    "accessURL": "https://gdr.openei.org/files/900/maui_tmi.pdf",
    "mediaType": "application/pdf",
    "description": "TMI, magnetic anomaly map of Maui aeromagnetic survey with IGRF removed."
  }
]
DOI 10.15121/1357026
identifier https://data.openei.org/submissions/9421
issued 2010-04-17T06:00:00Z
keyword 
[
  "Aeromag",
  "Aeromagnetics",
  "Geometrics",
  "Haleakala",
  "Hawaii",
  "Horizontal Gradient",
  "Magnetometer",
  "Maui",
  "Reduced to Pole",
  "Tilt",
  "Total Magnetic Intensity",
  "derivative",
  "geothermal",
  "survey",
  "volcano"
]
landingPage https://gdr.openei.org/submissions/900
license https://creativecommons.org/licenses/by/4.0/
modified 2026-08-03T17:48:42Z
programCode 
[
  "019:006"
]
projectLead Mike Weathers
projectNumber EE0002837
projectTitle Blind Geothermal System Exploration in Active Volcanic Environments; Multi-phase Geophysical and Geomechanical Surveys in Overt and Subtle Volcanic Systems, Hawai'i and Maui
publisher 
{
  "name": "Ormat Nevada Inc",
  "@type": "org:Organization"
}
spatial 
"{"type":"Polygon","coordinates":[[[-156.424557,20.575051],[-156.330145,20.575051],[-156.330145,20.690221],[-156.424557,20.690221],[-156.424557,20.575051]]]}"
title Maui Aeromagnetic Survey

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