BayesISOLA CMT — 2026p530771

Method
Waveform inversion for full moment tensor (6 components)
with the data covariance matrix based on real noise
with crosscovariance between components.
Reference
Vackář, Gallovič, Burjánek, Zahradník, and Clinton. Bayesian ISOLA: new tool for automated centroid moment tensor inversion, in preparation, PDF

Hypocenter location

Agency
Origin time
2026-07-16 09:14:54
Latitude
-45.039° N
Longitude
167.682° E
Depth
37.5 km
Magnitude
5.9

Results

Centroid location

absolute relative
Time 2026-07-16 09:14:56 2.20 s after origin time
Latitude 45.039° S 0 m of the epicenter
Longitude 167.571° E 8728 m west of the epicenter
Depth 69.2 km 31.6 km deeper than location

Warning: the solution lies on the edge of the grid!

Moment tensor and its quality

Centroid position
depth 69.2 km
Seismic moment
scalar seismic moment M0 1.07e+18 Nm
moment magnitude Mw 6.0
Moment tensor components
Mrr 1.73 * 1e+17
Mθθ -6.64 * 1e+17
Mϕϕ 1.03 * 1e+17
Mrθ -7.14 * 1e+17
Mrϕ 3.14 * 1e+17
Mθϕ -2.03 * 1e+17
Moment tensor decomposition
DC 83 %
CLVD -5 %
ISO -12 %
strike 289 / 41
dip 79 / 28
rake 116 / 24
Quality measures
condition number 5
variance reduction 87 %
VR (4 closest components) 92 %

Data used

stations used

Components used in inversion and their weights

station component distance * azimuth fmin fmax
code channel Z N E (km) (deg) (Hz) (Hz)
NZ:MSZ 10 HH --- --- --- 45 26 0.02 0.05
NZ:MLZ 10 HH --- 1.0 --- 50 137 0.02 0.05
NZ:DCZ 10 HH 1.0 1.0 1.0 63 221 0.02 0.05
NZ:WHZ 10 HH 1.0 1.0 1.0 97 168 0.02 0.05
NZ:WKZ 10 HH 1.0 1.0 1.0 108 78 0.02 0.05
NZ:EAZ 10 HH 1.0 1.0 1.0 130 100 0.02 0.05
NZ:PYZ 10 HH 1.0 1.0 1.0 148 212 0.02 0.05
NZ:TUZ 10 HH 1.0 1.0 1.0 183 124 0.02 0.05
NZ:APZ 10 HH 1.0 1.0 1.0 201 173 0.02 0.05
NZ:SYZ 10 HH 1.0 1.0 1.0 201 146 0.02 0.05
NZ:LBZ 10 HH 1.0 1.0 1.0 211 71 0.02 0.05
NZ:ODZ 10 HH 1.0 1.0 1.0 233 91 0.02 0.05
NZ:FOZ 11 HH 1.0 1.0 1.0 239 46 0.02 0.05
NZ:OPZ 10 HH 1.0 --- 1.0 247 113 0.02 0.05
NZ:FRNZ 10 HH 1.0 1.0 1.0 261 48 0.02 0.05
NZ:CVZ 10 HH 1.0 1.0 1.0 273 76 0.02 0.05
NZ:WHSZ 10 HH --- --- 1.0 292 49 0.02 0.05
NZ:WVZ 10 HH --- --- --- 328 49 0.02 0.05
NZ:INZ 10 HH --- 1.0 --- 397 51 0.02 0.04
NZ:MQZ 13 HH 1.0 1.0 1.0 423 71 0.02 0.04
NZ:LTZ 10 HH 1.0 1.0 --- 446 57 0.02 0.03
NZ:GVZ 10 HH --- --- --- 487 64 0.02 0.03
NZ:DSZ 10 HH 1.0 --- --- 495 44 0.02 0.03
NZ:KHZ 10 HH 1.0 1.0 1.0 554 60 0.02 0.03
NZ:THZ 10 HH 1.0 --- --- 558 51 0.02 0.03

Mouse detection

MSZ HHZ: MOUSE detected, ignoring component in inversion (time of onset: 5.6 s, amplitude: 5.32e-05 m s^-2, fit: 0.92)
MSZ HHN: MOUSE detected, ignoring component in inversion (time of onset: 6.1 s, amplitude: 7.71e-05 m s^-2, fit: 0.94)
MSZ HHE: MOUSE detected, ignoring component in inversion (time of onset: 5.6 s, amplitude: 2.04e-04 m s^-2, fit: 0.93)
MLZ HHZ: MOUSE detected, ignoring component in inversion (time of onset: 24.9 s, amplitude: 4.39e-06 m s^-2, fit: 0.96)
MLZ HHE: MOUSE detected, ignoring component in inversion (time of onset: 19.9 s, amplitude: 7.83e-06 m s^-2, fit: 0.96)
OPZ HHN: MOUSE detected, ignoring component in inversion (time of onset: 79.2 s, amplitude: 6.17e-07 m s^-2, fit: 0.62)
WHSZ HHZ: MOUSE detected, ignoring component in inversion (time of onset: 13.4 s, amplitude: 8.67e-07 m s^-2, fit: 0.84)
WHSZ HHN: MOUSE detected, ignoring component in inversion (time of onset: 155.4 s, amplitude: 9.38e-07 m s^-2, fit: 0.62)
WVZ HHZ: MOUSE detected, ignoring component in inversion (time of onset: 23.3 s, amplitude: 3.24e-05 m s^-2, fit: 0.89)
WVZ HHN: MOUSE detected, ignoring component in inversion (time of onset: 23.0 s, amplitude: 3.95e-05 m s^-2, fit: 0.89)
WVZ HHE: MOUSE detected, ignoring component in inversion (time of onset: 23.3 s, amplitude: 2.29e-05 m s^-2, fit: 0.89)
INZ HHZ: MOUSE detected, ignoring component in inversion (time of onset: 34.8 s, amplitude: 1.39e-07 m s^-2, fit: 0.85)
INZ HHE: MOUSE detected, ignoring component in inversion (time of onset: 226.3 s, amplitude: 3.65e-07 m s^-2, fit: 0.86)
LTZ HHE: MOUSE detected, ignoring component in inversion (time of onset: 318.6 s, amplitude: 1.54e-07 m s^-2, fit: 0.83)
GVZ HHZ: MOUSE detected, ignoring component in inversion (time of onset: 17.9 s, amplitude: 1.01e-07 m s^-2, fit: 0.86)
GVZ HHN: MOUSE detected, ignoring component in inversion (time of onset: 10.4 s, amplitude: 1.24e-07 m s^-2, fit: 0.96)
GVZ HHE: MOUSE detected, ignoring component in inversion (time of onset: 50.8 s, amplitude: 1.64e-07 m s^-2, fit: 0.83)
DSZ HHN: MOUSE detected, ignoring component in inversion (time of onset: 59.0 s, amplitude: 2.90e-07 m s^-2, fit: 0.81)
DSZ HHE: MOUSE detected, ignoring component in inversion (time of onset: 272.7 s, amplitude: 5.19e-07 m s^-2, fit: 0.96)
THZ HHN: MOUSE detected, ignoring component in inversion (time of onset: 10.9 s, amplitude: 2.97e-07 m s^-2, fit: 0.96)
THZ HHE: MOUSE detected, ignoring component in inversion (time of onset: 88.3 s, amplitude: 2.40e-07 m s^-2, fit: 0.81)

Data source

Station coordinates: 2026p530771\input\network.stn
Loaded 25 local miniSEED/StationXML station streams.

Stability and uncertainty of the solution

Posterior probability density function (PPD)

PPD: top view
PPD: north-south view
PPD: west-east view

Calculation parameters

Grid-search over space

number of points
5246
horizontal step
2182 m
vertical step
1091 m
grid radius
9.390 km
minimal depth
18.759 km
maximal depth
112.553 km
rupture length (estimated)
9.390 km

Grid-search over time

min
-2.00 s (-200 samples)
max
11.39 s (1139 samples)
step
0.20 s ( 20 samples)

Green's function calculation

Crustal model
2026p530771\input\crustal.dat
npts
256
tl
640.00
freq
129
npts for inversion
228
source time function
step in displacement

Sampling frequencies

Data sampling
100.0 Hz
Common sampling
100.0 Hz
Decimation factor
250 x
Sampling used
0.4 Hz