Range:
eq = earthquake
se = slow earthquake
lp = long period volcanic earthquake
to = tornillo wavelet
tr = non-volcanic tremor
vt = volcanic tremor
nt = nuclear test
qb = quarry blast
ce = calibration
ex = generic chemical blast
sh = refraction/reflection survey shot
sn = sonic shockwave
th = thunder
ve = volcanic eruption
co = mine/tunnel collapse
df = debris flow/avalanche
av = snow/ice avalanche
ls = landslide
rb = rockburst
rs = rockslide
bc = building collapse/demolition
pc = plane crash
mi = meteor/comet impact
st = subnet trigger
uk = unknown type
ot = other miscellaneous
lf = low frequency
su = surface event
px = probable blast |