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Preliminary report Tuluman Volcano, Lou Island, St. Andrew Strait, New Guinea

Created 17/10/2025

Updated 17/10/2025

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On the 12th July the writer was informed by signal originated by the A.D.O. Baluan Island, that explosive activity had recommenced at the St. Andrew Strait vents. The writer departed Rabaul by air from Momote on the 14th July and arrived at Baluan per Administration work boat on the evening of the 15th July. En route to Momote on the evening of the 14th a brief aerial inspection was made of the active area. Two small craters were visible above sea level and some minor explosions originated from the western crater during this inspection. The writer spent one week in the area and departed Baluan on the 21st July. During this period, as no further explosive activity was manifest, two ground inspections were made of the western crater. The day after the writer departed Baluan mild activity (mainly effusive) recommenced at the eastern crater. The name Tuluman (Tuluman being the word for hot in the Manus language) has been proposed for this new volcano. The name embraces the whole of the structure, that is, the two small cones above sea level as well as the submarine portion of the structure. The two small structures above sea level are referred to as east and west Tuluman craters respectively.

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Additional Info

Field Value
Title Preliminary report Tuluman Volcano, Lou Island, St. Andrew Strait, New Guinea
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/220de15c-efdc-4d8b-8e16-471e69dffa5a
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 22/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        146.8,
        -2.9
      ],
      [
        147.7,
        -2.9
      ],
      [
        147.7,
        -2.2
      ],
      [
        146.8,
        -2.2
      ],
      [
        146.8,
        -2.9
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Preliminary report Tuluman Volcano, Lou Island, St. Andrew Strait, New Guinea". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/preliminary-report-tuluman-volcano-lou-island-st-andrew-strait-new-guinea