Monitoring and Modeling the Rapid Evolution of Earth's Newest Volcanic Island: Hunga Tonga Hunga Ha'apai (Tonga) Using High Spatial Resolution Satellite Observations
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DOI: 10.1002/2017gl076621
Abstract: Abstract We have monitored a newly erupted volcanic island in the Kingdom of Tonga, unofficially known as Hunga Tonga Hunga Ha'apai, by means of relatively frequent high spatial resolution (~50 cm) satellite observations. The new… read more here.
Keywords: tonga hunga; hunga; hunga tonga; volcanic island ... See more keywords
Tsunami Effects on the Coast of Mexico by the Hunga Tonga-Hunga Ha’apai Volcano Eruption, Tonga
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DOI: 10.1007/s00024-022-03017-9
Abstract: The massive explosion by the January 15, 2022 Hunga Tonga-Hunga Ha’apai volcano in Tonga triggered a trans-oceanic tsunami generated by coupled ocean and atmospheric shock waves during the explosion. The tsunami reached first the coast… read more here.
Keywords: tsunami; volcano; hunga tonga; hunga ... See more keywords
Ongoing Dispersal of the 7 August 2019 Pumice Raft From the Tonga Arc in the Southwestern Pacific Ocean
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DOI: 10.1029/2019gl086768
Abstract: On the 7 August 2019, a 195 km2 raft of andesitic pumice was produced at 200 m below sea level at an unnamed submarine volcano in the Tonga Islands (Southwest Pacific Ocean). Drifting chiefly westward,… read more here.
Keywords: raft; pacific ocean; pumice; august 2019 ... See more keywords
Tracking the 2022 Hunga Tonga‐Hunga Ha'apai Aerosol Cloud in the Upper and Middle Stratosphere Using Space‐Based Observations
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DOI: 10.1029/2022gl100091
Abstract: On 15 January 2022, the submarine Hunga Tonga volcanic eruption lofted materials high into the upper stratosphere, reaching a record‐breaking altitude of ∼58 km, unprecedented in the satellite observations era. Within two weeks, the bulk… read more here.
Keywords: tonga; hunga tonga; space based; eruption ... See more keywords
Barriers and facilitators to the introduction of import duties designed to prevent noncommunicable disease in Tonga: a case study
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DOI: 10.1186/s12992-021-00788-z
Abstract: Background In Tonga, import duties were lowered on tinned fish and seafood in 2013 and raised on soft drinks, dripping and other animal fats. Additional import duties were applied to soft drinks and dripping and… read more here.
Keywords: import; import duties; tonga; case study ... See more keywords