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Volcano earthquake report for Friday, 10 Jul 2026
• Moderate mag. 4.2 earthquake - 133 km northwest of Ternate, Kota Ternate, N...
• World Earthquake Report for Friday, 10 July 2026
• Moderate mag. 4.6 earthquake - 17 km southwest of Comalapa, Estado de Chiap...
• Moderate mag. 4.1 earthquake - Olyutorskiy Rayon, 47 km northwest of Tilich...
• Moderate mag. 4.0 earthquake - Hawke's Bay, New Zealand, on Saturday, Jul 1...
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#319300
Thu 23 Jul 2015 04:56:PM
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Joined: Feb 2001
Posts: 678,976
Launch Director
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OP
Launch Director
Joined: Feb 2001
Posts: 678,976 |
Measurements of iron speciation in ancient rocks were used to construct the chemistry of ancient oceans. Analysis suggests that it took less oxygen than previously thought to trigger the appearance of complicated life forms.  Source: Small oxygen jump in atmosphere helped enable animals take first breaths
David Cottle
UBB Owner & Administrator
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