MANUAL Location - Area: Frignano , magnitude (ML): 0.5
2025-03-09 05:02:02 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-03-10 09:29:31

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Earthquake info - Manual location
Event - ID :250309050132
Magnitude (ML) :0.5 +/- 0.2
Origin Time :2025-03-09 05:02:02.904 (UTC)
Location : Latitude: 44.421 N, Longitude: 10.649 E
Area :Frignano
Depth (km) :8.66
Distances (km) : 4.2 --- Prignano sulla Secchia
7.5 --- Montefiorino
8.5 --- Toano
9.5 --- Baiso
10.2 --- Polinago
10.9 --- Palagano
11.1 --- Carpineti
11.2 --- Serramazzoni
12.0 --- Castellarano
14.0 --- Lama Mocogno
14.2 --- Viano
15.0 --- Frassinoro
15.5 --- Casina
15.7 --- Villa Minozzo
17.2 --- Sassuolo
17.5 --- Pavullo nel Frignano
18.6 --- Casalgrande
18.6 --- Fiorano Modenese
19.8 --- Castelnovo ne Monti
19.9 --- Montecreto

Quality location estimate: Erh: 0.9 km, Erz: 1.3 km, Nf: 20, Gap: 187 °, Rms: 0.16


Manual location results
Station Net P arrival time P pick
err
P pick
weight
P res Nll
weight
S arrival time S pick
err
S pick
weight
S res Nll
weight
Dist.
GSCLGU2025-03-09 05:02:05.8600.0060-0.031.712025-03-09 05:02:10.8050.07622.760.0013.1
ERBMIV2025-03-09 05:02:07.2000.0090-0.340.812025-03-09 05:02:11.1650.04000.031.6021.1
ZCCAIV2025-03-09 05:02:09.5650.02000.041.652025-03-09 05:02:16.7650.04002.190.0028.7
SARMGU2025-03-09 05:02:09.4400.01700.051.622025-03-09 05:02:15.3430.04001.080.0034.3
VLCMN2025-03-09 05:02:09.9210.02000.111.162025-03-09 05:02:15.0310.04000.051.4237.0
BDIIV2025-03-09 05:02:10.5900.0211-0.061.612025-03-09 05:02:16.3190.1203-0.081.4041.2
POPMGU2025-03-09 05:02:11.0040.0200-0.211.222025-03-09 05:02:17.2230.0400-0.131.4443.6
CARDGU2025-03-09 05:02:11.2820.0200-0.281.072025-03-09 05:02:17.5400.2396-0.430.6546.7
GRAMGU2025-03-09 05:02:11.7200.0231-0.241.182025-03-09 05:02:18.5360.0400-0.131.4247.9
MSSAIV2025-03-09 05:02:17.3600.2369-1.840.032025-03-09 05:02:28.8600.6989-2.400.0391.2


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
GSCL GUHH0.421.49e-113.1212
ERBM IVEH0.163.45e-221.1270
ZCCA IVHH0.332.92e-228.7107
SARM GUEH0.282.22e-234.3217
VLC MNHH0.542.06e-237.0216
BDI IVHH0.643.70e-241.2186
POPM GUHH0.483.70e-243.6168
CARD GUHH0.602.10e-246.7197
GRAM GUHH0.462.63e-247.9280
MSSA IVHH0.726.51e-391.2263


Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation
Station Net Channel PGA
(g)
PGV
(m/s)
IH 0*
(m)
IH 1*
(m)
IH 2*
(m)
Sa(T=0.10)
(g)
Sa(T=0.30)
(g)
Sa(T=1.00)
(g)
Sa(T=3.00)
(g)
Dist.
(km)
Azim.
(°)
GSCL GUHHZ2.3089e-64.9863e-74.5710e-72.3467e-71.1811e-75.3024e-62.7814e-61.7845e-71.1582e-813.1212
GSCL GUHHN4.6032e-61.0928e-69.7930e-74.4587e-71.8646e-78.4893e-65.4024e-62.6250e-73.4373e-813.1212
GSCL GUHHE3.4590e-61.2984e-61.1675e-66.4001e-72.5907e-77.7016e-65.2883e-62.9319e-73.5889e-813.1212
ERBM IVEHZ3.3280e-64.5017e-71.8803e-79.8859e-85.8006e-89.1649e-66.7112e-77.8233e-87.4364e-921.1270
ERBM IVEHN3.7676e-65.7342e-73.4584e-77.9425e-84.4666e-81.4288e-51.0731e-67.5750e-81.3167e-821.1270
ERBM IVEHE4.0813e-66.7495e-73.2236e-77.0674e-84.2198e-81.3410e-51.0132e-66.5730e-81.5768e-821.1270
ZCCA IVHHZ5.3500e-71.2996e-71.4412e-76.4335e-82.8009e-81.4533e-61.3066e-63.8309e-84.4467e-928.7107
ZCCA IVHHN5.3023e-72.3063e-72.1029e-71.5056e-76.1365e-81.0906e-61.8133e-67.4146e-87.6953e-928.7107
ZCCA IVHHE5.3832e-71.8256e-71.5698e-71.1503e-74.6857e-81.0823e-61.2801e-65.6565e-87.0712e-928.7107
SARM GUEHZ5.9636e-68.7878e-72.3535e-75.5970e-82.9052e-87.1712e-61.0789e-64.4823e-81.0468e-834.3217
SARM GUEHN3.3440e-64.3682e-72.2898e-71.0034e-74.2439e-89.3649e-61.1031e-65.8494e-87.3153e-934.3217
SARM GUEHE5.3638e-65.5919e-72.4445e-79.7153e-84.1580e-84.8885e-69.4084e-75.4794e-89.2131e-934.3217
VLC MNHHZ3.4441e-65.3873e-71.6252e-74.8430e-82.6181e-84.0365e-68.1415e-73.8158e-85.8592e-937.0216
VLC MNHHN3.1112e-63.0602e-71.9666e-78.1442e-83.5610e-84.1857e-68.6285e-74.6614e-86.5294e-937.0216
VLC MNHHE1.4869e-62.1584e-71.3762e-76.4005e-83.2168e-83.0208e-67.6637e-74.6585e-86.2473e-937.0216
BDI IVHHZ2.5096e-62.8933e-71.4350e-76.2227e-82.8563e-83.8637e-67.0605e-74.3165e-84.7608e-941.2186
BDI IVHHN1.9473e-63.9760e-73.2847e-71.1222e-75.0377e-86.8706e-61.7687e-67.4217e-81.0669e-841.2186
BDI IVHHE1.8079e-62.9517e-72.2069e-78.2719e-83.2650e-87.4323e-61.9363e-64.1586e-87.4651e-941.2186
POPM GUHHZ1.4446e-61.9395e-71.5914e-77.7693e-83.1944e-84.0281e-69.5887e-73.8205e-84.9235e-943.6168
POPM GUHHN1.2751e-63.8689e-72.8350e-71.3605e-75.3155e-84.0036e-61.8690e-67.4557e-81.0191e-843.6168
POPM GUHHE1.4528e-62.4937e-72.0628e-79.9615e-84.7684e-83.3933e-61.3787e-66.2907e-88.8723e-943.6168
CARD GUHHZ9.5968e-71.3515e-77.6814e-83.1270e-81.7376e-82.9786e-63.7335e-72.4196e-83.2174e-946.7197
CARD GUHHN2.4439e-63.2135e-71.4955e-74.9134e-82.7395e-83.8574e-64.5503e-74.0032e-87.2946e-946.7197
CARD GUHHE2.7193e-64.3790e-71.9550e-74.9154e-82.9198e-88.2130e-65.9950e-74.2172e-81.0344e-846.7197
GRAM GUHHZ3.5494e-63.1728e-71.2737e-73.3572e-81.8045e-82.5655e-65.6351e-73.5954e-84.8588e-947.9280
GRAM GUHHN1.6918e-62.9894e-72.2613e-77.5278e-83.6039e-82.5396e-61.1573e-64.6143e-87.1619e-947.9280
GRAM GUHHE1.7191e-62.8279e-72.4421e-79.3802e-84.8434e-82.9040e-61.2855e-67.1329e-88.8314e-947.9280
MSSA IVHHZ1.2070e-72.3509e-81.4884e-81.1328e-89.7871e-92.9100e-76.2494e-81.4682e-89.3396e-1091.2263
MSSA IVHHN3.1565e-74.1266e-82.1815e-82.4829e-84.1500e-81.9718e-71.2083e-77.6013e-86.7048e-991.2263
MSSA IVHHE3.2664e-72.8658e-81.6482e-81.2895e-81.1635e-82.5525e-78.2110e-81.6110e-88.1021e-1091.2263
*IH (Housner Intensity) calculated on the velocity spectrum (SV) between 0.1 and 0.5 s (IH0), 0.1 and 1.0 s (IH1), 0.1 and 1.5 s (IH2)

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