Configuration and structure of the Philippine Sea Plate off Boso, Japan: constraints on the shallow subduction kinematics, seismicity, and slow slip events

Earth, Planets and Space

Table 2 Specifications and observational periods of the stations

Station	Natural frequency of sensor	Sampling rate (Hz)	Number of stations	Observation period
BBOBS	360 s	200	4	Mar. 2012–Mar 2013
SPOBS	4.5 Hz	100	7	Mar. 2012–Mar 2013
SPOBS	4.5 Hz	100	10	May 2012–Mar 2013
SPOBS	4.5 Hz	100	3	Dec 2012–Mar 2013
LTOBS	1 Hz	200	15	Oct 2011–Aug 2012
LTOBS	1 Hz	200	35	Apr 2012–Nov 2012
Land	1, 3, 5 Hz	100	48