{"id":1806030,"date":"2022-02-11T10:46:27","date_gmt":"2022-02-11T15:46:27","guid":{"rendered":"https:\/\/www.maproomblog.com\/?p=1806030"},"modified":"2022-02-11T10:46:27","modified_gmt":"2022-02-11T15:46:27","slug":"the-rise-and-fall-of-hunga-tonga-hunga-haapai","status":"publish","type":"post","link":"https:\/\/www.maproomblog.com\/2022\/02\/the-rise-and-fall-of-hunga-tonga-hunga-haapai\/","title":{"rendered":"The Rise and Fall of Hunga Tonga-Hunga Ha\u2018apai"},"content":{"rendered":"

A storymap from Esri\u2019s Robert Waterman, based on Maxar satellite imagery, shows the rise and fall of Hunga Tonga and Hunga Ha\u2018apai<\/a> from being two separate islands before a 2015 eruption combined them, through its time as an apparently stable but awkwardly compound-named single island until it got blown apart last month.<\/p>\n

Previously: Hunga Tonga-Hunga Ha\u2018apai, Before and After<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

A storymap from Esri\u2019s Robert Waterman, based on Maxar satellite imagery, shows the rise and fall of Hunga Tonga and Hunga Ha\u2018apai from being two separate islands before a 2015 eruption combined them, through its… More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"link","meta":{"autoblue_enabled":true,"autoblue_custom_message":"","autoblue_shares":[],"autoblue_post_url":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[846],"tags":[177,1553,682],"class_list":["post-1806030","post","type-post","status-publish","format-link","hentry","category-disasters","tag-satellite-imagery","tag-tonga","tag-volcanoes","post_format-post-format-link"],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":1805902,"url":"https:\/\/www.maproomblog.com\/2022\/01\/how-satellites-revealed-the-hunga-tonga-hunga-haapai-eruption\/","url_meta":{"origin":1806030,"position":0},"title":"How Satellites Revealed the Hunga-Tonga Hunga-Ha’apai Eruption","author":"Jonathan Crowe","date":"20 January 2022","format":"link","excerpt":"The BBC\u2019s Jonathan Amos looks at the ways satellites have collected imagery and data on the Hunga-Tonga Hunga-Ha\u2019apai volcanic eruption.","rel":"","context":"In "Disasters"","block_context":{"text":"Disasters","link":"https:\/\/www.maproomblog.com\/category\/disasters\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1808746,"url":"https:\/\/www.maproomblog.com\/2022\/08\/remotely-operated-vessel-maps-tonga-caldera\/","url_meta":{"origin":1806030,"position":1},"title":"Remotely Operated Vessel Maps Tonga Caldera","author":"Jonathan Crowe","date":"26 August 2022","format":"link","excerpt":"As part of the Tonga Eruption Seabed Mapping Project, a robotic vessel has conducted a bathymetric survey of the Hunga Tonga-Hunga Ha\u2018apai volcano\u2019s underwater caldera. Said volcano, you will recall, erupted spectacularly last January. The 12-metre vessel, USV Maxlimer, was controlled remotely from 16,000 km away, and carried sensors to\u2026","rel":"","context":"In "Disasters"","block_context":{"text":"Disasters","link":"https:\/\/www.maproomblog.com\/category\/disasters\/"},"img":{"alt_text":"Aerial view of the Hunga-Tonga Hunga-Ha\u2019apai (HT-HH) volcano, showing new multibeam depth data overlaid on a satellite image of the islands (deep depths in blue, shallow depths in red).","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/08\/tonga-post-eruption-300x300.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":1805949,"url":"https:\/\/www.maproomblog.com\/2022\/01\/hunga-tonga-hunga-haapai-before-and-after\/","url_meta":{"origin":1806030,"position":2},"title":"Hunga Tonga-Hunga Ha\u2018apai, Before and After","author":"Jonathan Crowe","date":"27 January 2022","format":"link","excerpt":"NASA Earth Observatory has released digital elevation maps of Hunga Tonga-Hunga Ha\u2018apai both before and after the volcanic eruption earlier this month. The digital elevation maps above and below show the dramatic changes at Hunga Tonga-Hunga Ha\u2018apai, the uppermost part of a large underwater volcano. It rises 1.8 kilometers (1.1\u2026","rel":"","context":"In "Disasters"","block_context":{"text":"Disasters","link":"https:\/\/www.maproomblog.com\/category\/disasters\/"},"img":{"alt_text":"Two maps showing Hunga Tonga-Hunga Ha\u2018apai before and after the volcanic eruption of January 2022","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/01\/nasa-eo-hunga-tonga-1024x350.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/01\/nasa-eo-hunga-tonga-1024x350.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/01\/nasa-eo-hunga-tonga-1024x350.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/01\/nasa-eo-hunga-tonga-1024x350.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":1809954,"url":"https:\/\/www.maproomblog.com\/2022\/11\/extent-of-tongan-eruption-revealed-by-new-seafloor-maps\/","url_meta":{"origin":1806030,"position":3},"title":"Extent of Tongan Eruption Revealed by New Seafloor Maps","author":"Jonathan Crowe","date":"20 November 2022","format":"link","excerpt":"Scientists have now mapped the seafloor around the Hunga Tonga-Hunga Ha\u2018apai volcano, and as a result we have learned just how massive the January 2022 eruption was. By comparing their soundings with 2017 data, they determined that at least 9.5 km3 of material was discharged. Debris was found 80 km\u2026","rel":"","context":"In "Disasters"","block_context":{"text":"Disasters","link":"https:\/\/www.maproomblog.com\/category\/disasters\/"},"img":{"alt_text":"Hunga Tonga-Hunga Ha'apai 3D bathymetry map","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/11\/niwa-tonga-caldera-1024x576.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/11\/niwa-tonga-caldera-1024x576.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/11\/niwa-tonga-caldera-1024x576.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2022\/11\/niwa-tonga-caldera-1024x576.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":1809538,"url":"https:\/\/www.maproomblog.com\/2022\/10\/tracking-the-russian-invasion-of-ukraine-with-satellite-imagery\/","url_meta":{"origin":1806030,"position":4},"title":"Tracking the Russian Invasion of Ukraine with Satellite Imagery","author":"Jonathan Crowe","date":"26 October 2022","format":"link","excerpt":"Bloomberg\u2019s MapLab newsletter looks at how freely available satellite imagery has enabled widespread monitoring of the Russian invasion of Ukraine. When the invasion of Ukraine started, these images started popping up on social media and in the news so often that it seems like most of us have access to\u2026","rel":"","context":"In "Conflicts"","block_context":{"text":"Conflicts","link":"https:\/\/www.maproomblog.com\/category\/conflicts\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1834397,"url":"https:\/\/www.maproomblog.com\/2024\/10\/satellite-imagery-before-landsat\/","url_meta":{"origin":1806030,"position":5},"title":"Satellite Imagery Before Landsat","author":"Jonathan Crowe","date":"6 October 2024","format":"link","excerpt":"Speaking of historical satellite imagery, Bill Morris went digging for satellite imagery of what preceded Manicouagan Reservoir before it was created in the 1960s by Quebec\u2019s massive hydro dam projects. But since Landsat first launched in 1973, after the dam was completed, what imagery was there? Answer: CIA spy satellite\u2026","rel":"","context":"In "Surveying"","block_context":{"text":"Surveying","link":"https:\/\/www.maproomblog.com\/category\/surveying\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1806030","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/comments?post=1806030"}],"version-history":[{"count":2,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1806030\/revisions"}],"predecessor-version":[{"id":1806032,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1806030\/revisions\/1806032"}],"wp:attachment":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/media?parent=1806030"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/categories?post=1806030"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/tags?post=1806030"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}