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Volcano earthquake report for Wednesday, 9 September 2026
• World Earthquake Report for Wednesday, 9 September 2026
• Strong mag. 5.0 earthquake - Celebes Sea, 49 km north of Tahuna, Indonesia,...
• Moderate mag. 4.7 earthquake - Philippine Sea, 135 km southeast of Shima, M...
• The 10 most powerful earthquakes in the world since 1900
• Moderate mag. 4.0 earthquake - Indian Ocean, 80 km southwest of Labuan, Kab...
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#469881
Thu 09 Aug 2018 03:53:PM
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Joined: Feb 2001
Posts: 678,977
Launch Director
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Launch Director
Joined: Feb 2001
Posts: 678,977 |
Abstract: A series of geomagnetic data assimilation experiments have been carried out to demonstrate the impact of assimilating archeomagnetic data via the CALS3k.4 geomagnetic field model from the period between 10 and 1590 CE. The assimilation continues with the gufm1 model from 1590 to 1990 and CM4 model from 1990 to 2000 as observations, and comparisons between these models and the geomagnetic forecasts are used to determine an optimal maximum degree for the archeomagnetic observations, and to inde... Source: Impact of Archeomagnetic Field Model Data on Modern Era Geomagnetic Forecasts
David Cottle
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