Electronic Supplement to
Upgrade of the New China Digital Seismograph Network

by D. Anderson, J. Anderson, D. Ford, L. S. Gee, G. Gyure, C. R. Hutt, E. Kromer, L. Li, B. Marshall, K. Persefield, A. T. Ringler, M. Sharratt, T. Storm, D. Wilson, D. Yang, and Z. Zheng

Table S1. Locations and Geology of China Digital Seismograph Network (CDSN) and New China Digital Seismograph Network (NCDSN) Stations

Station*	Code	Latitude (° N)	Longitude (° E)	Elevation (m)	Geology†
Baijiatuan, Beijing	BJI	40.04	116.17	43	Limestone
Baijiatuan, Beijing	BJT	40.02	116.17	197	Limestone
Enshi, Hubei Province	ENH	30.28	109.49	500	Limestone
Hailar, Neimenggu Autonomous Region	HIA	49.27	119.74	620	Andesite
Kunming, Yunnan Province	KMI	25.12	102.74	1975	Limestone
Lhasa, Tibet Autonomous Region	LSA	29.70	91.13	3660	Granite
Lanzhou, Gansu Province	LZH	36.09	103.84	1560	Loess
Mudanjian, Heilongjiang Province	MDJ	44.62	129.59	250/270	Granite
Qiongzhong, Hainan Province	QIZ	19.03	109.84	240	Granite
Sheshan, Shanghai	SSE	31.09	121.19	40	Andesite
Urumqi, Xinjiang Autonomous Region	WMQ	43.81	87.70	850	Sandstone
Xi’an, Shanxi Province	XAN	34.03	108.92	630	Granite

* Station BJI (Baijiatuan, Beijing, China) was relocated to BJT (Baijiatuan, Beijing, China) in 1994;
the equipment at MDJ (Mudanjiang, Heilongjiang Province, China) was relocated to a new tunnel at
the same site in 2013 but at a higher elevation.

† Site geology is from Zhou et al. (2005).

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