We include here the full catalog of microearthquake seismicity using the Hikurangi Ocean Bottom Investigation of Tremor and Slow Slip” (HOBITSS) experiment. This catalog is part of a paper submitted to JGR in December 2018. Full catalog details are included in the main manuscript, and the results are considered preliminary until the paper is published Yarce2019_catalog_events.dat file has a more clean up version from the previous one, it states number of P and S phases separately and the total amount of arrivals. It also shows the time in Date Time format in addition to the epoch time format that was already in. [October 10, 2022] We have included the file Yarce2019_catalog_arrivals.csv that contains the arrival data of P and S wave arrivals for the events in the catalog. The last version of the catalog (v3) remained unmodified.