Electronic Supplement to
Detecting Deep Tectonic Tremor in Taiwan with a Dense Array

by Wei−Fang Sun, Zhigang Peng, Cheng−Horng Lin, and Kevin Chao

Table S3. Parameters of the Nine Triggered Tremor Bursts

Tremor Number Longitude (° E) Latitude (° N) BAZ*(°)–LG array BAZ*(°)–LD array
WECC BBFK ΔBAZ WECC BBFK ΔBAZ
1 120.8718 23.1867 49.10 56.63 7.5 270.71 232.60 −38.1
2 120.9242 23.0835 72.32 76.85 4.5 215.34 232.60 17.3
3 120.8432 22.9800 95.10 80.90 −14.2 213.67 153.70 −60.0
4 120.8676 23.0288 81.58 76.85 −4.7 215.48 173.90 −41.6
5 120.8241 23.0711 66.61 60.67 −5.9 221.07 129.40 −91.7
6 120.9400 23.0588 77.86 64.72 −13.1 209.43 173.90 −35.5
7 121.0045 23.0429 82.56 88.99 6.4 188.56 200.20 11.6
8 120.8715 23.0418 78.42 80.90 2.5 216.28 204.30 −12.0
9 120.8629 23.0267 81.95 72.81 −9.1 215.69 220.40 4.7

* BAZ, back azimuth; LD, Lidao; LG, Liouguei; WECC, envelope cross correlation method; BBFK, broadband frequency–wavenumber method.

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