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Recently AGES lab members Sidney Hemming and Trevor Williams sailed on International Ocean Discovery Program Expedition 382, to collect long sedimentary records of sources of iceberg rafted sediments around Antarctica and evidence for past history of Antarctica's ice sheets and ocean circulation (https://iodp.tamu.edu/scienceops/expeditions/iceberg_alley_paleoceanography.html ). 

The San Andreas Fault in California has variable slip behavior along its length, with a stable central section sandwiched between the earthquake-producing northern and southern sections. Because the central San Andreas fault relieves strain through aseismic creep, it is not thought to nucleate earthquakes. What still remains a relatively open question though, is whether earthquakes that nucleate in either the northern or southern locked sections can propagate into or through the central San Andreas fault.