Earth, Planets and Space

Table 1 Tilt changes observed at each station

From: Precursory tilt changes associated with a phreatic eruption of the Hakone volcano and the corresponding source model

Site name	Longitude (°)	Latitude (°)	Height (m)	South up (μrad)	West up (μrad)
MRYS*	139.0437	35.2278	866	0.37	− 0.11
KMYB*	139.0208	35.2490	885	− 2.34	− 8.98
KOMW*	139.0081	35.2209	899	0.17	− 0.02
KZR	138.9985	35.2409	682	− 0.13	− 0.17
KZY	139.0315	35.2589	451	4.91	3.27
KOM	139.0330	35.2201	959	− 0.23	− 0.09
SSN	138.9419	35.2219	263	0.00	− 0.07
TNM	139.0901	35.2481	460	0.02	0.01
NNT	139.0502	35.2460	452	1.57	4.35

Northward and eastward tilt changes are represented by positive values. The reported static tilt changes are 1 min averages of the tilt data recorded from 7:29 to 7:30 a.m. from 7:35 to 7:36 a.m
*Broadband seismic station

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