What released an estimated 8.7 million tons of the global warming gas?

California’s wildfires sent millions of tons of carbon dioxide into the atmosphere. University of Colorado researchers report that from October 19th to the 26th, an estimated 8.7 million tons of the global warming gas were released. Armed with that report, a key U.S. House committee on energy and warming sought answers from a panel of scientists.
Question: What released an estimated 8.7 million tons of the global warming gas?

In Indonesia, a strong earthquake has struck the western island of Sumatra. At least 70 people were killed. Officials say hundreds of others were injured. The earthquake struck 50 kilometers from West Sumatra’s capital Padang.
Question: Where did the earthquake take place?