The International Ocean Discovery Program (IODP) is now accepting applications for Expedition 380 NanTroSEIZE Frontal Thrust Long-Term Borehole Monitoring System (LTBMS) aboard the D/V Chikyu. The Nankai Trough Seismogenic Zone Experiment (NanTroSEIZE) Project comprises multiple expeditions over a multi-year period aimed at sampling and instrumenting the up-dip transition into the subduction seismogenic zone. The goal of Expedition 380 is to install an LTBMS in the accretionary toe region near the trough axis at Site C0006, previously drilled during IODP Expeditions 314 and 316. The LTBMS sensors will include: seafloor reference and formation pressure sensors, broadband seismometer, tiltmeters, volumetric strainmeter, geophones, and accelerometers. This will be the third LTBMS installed for the NanTroSEIZE project. The expedition is currently planned for 43 days, beginning on 23 October, sailing on 26 October (after three days of portcall), and finishing on 5 December, 2017. If LTBMS/CORK installation goes ahead of schedule, the ship will return early to port and the expedition will be complete. Additional information about this expedition can be found in the Expedition 380 Call For Participation. Opportunities exist for researchers (including graduate students) to sail on the expedition. Scientific specialties that will likely be required for the shipboard science party include observatory science and downhole logging. U.S.-affiliated scientists interested in participating in this expedition should apply to sail through the U.S. Science Support Program. The deadline to apply is April 28, 2017.