"To facilitate and coordinate the implementation of applied geoscience programmes in East and Southeast Asia in order to contribute to economic development and an improved quality of life within the region."

Magnetic Anomaly Map of East and Southeast Asia, Revised Version (3rd Edition)


Magnetic Anomaly Map of East and Southeast Asia, Revised Version (3rd Edition) was published in February 2021, as a product of the CCOP-GSJ MAMEA project “Compilation and Publication of a Revised Magnetic Anomaly Map of East Asia at 1:4,000,000” (2016-2020). The Geological Survey of Japan (GSJ) and CCOP published the Magnetic Anomaly Map of East Asia 1:4,000,000 CD-ROM Version (2nd Edition) in 2002. The 3rd Edition map covers most of the East and Southeast Asia region with an area of 12˚S-46˚N and 93˚E-160˚E, using old and new aeromagnetic and marine magnetic data collected by CCOP Member Countries and other organizations.



This publication is available for download only in zip file, mamea_files2021.zip.  This contains the following files:

1. Explanatory Note

2. The folder “maps” includes the following four JPEG files:

  • mamea20.jpg for “Magnetic Anomaly Map of East and Southeast Asia”
  • thmal.jpg for “Magnetic Anomaly Map of the Thailand–Malaysia Area”
  • phil.jpg for “Magnetic Anomaly Map of the Philippines Area”
  • png.jpg for Magnetic Anomaly Map of the Papua New Guinea Area”

3. The folder “grids” includes the following four ASCII data files:

  • Data file mamea20.xym includes a 2-minute grid data set of magnetic anomalies used to make “Magnetic Anomaly Map of East and Southeast Asia,” excluding the area where the WDMAM data were used.
  • Data file thmal.xyhm includes a 1-minute grid data set of magnetic anomalies used to make “Magnetic Anomaly Map of the Thailand–Malaysia Area”
  • Data file phil.xyhm includes a 1-minute grid data set of magnetic anomalies used to make “Magnetic Anomaly Map of the Philippines Area”
  • Data file png.xyhm includes a 1-minute grid data set of magnetic anomalies used to make “Magnetic Anomaly Map of the Papua New Guinea Area”

Alternate download sites are as follows,
https://www.gsj.jp/Map/EN/cd_dvd_list.html
https://www.gsj.jp/Map/EN/asia-area-geoscience.html







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