AUTOMATIC Location - Area: Frignano , magnitude (ML): 1.3
2025-08-11 19:28:22 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-08-11 19:32:15

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Earthquake info - RsniPicker2 automatic location
Event - ID :250811192704
Magnitude (ML) :1.3 +/- 0.4
Origin Time :2025-08-11 19:28:22.709 (UTC)
Location : Latitude: 44.466 N, Longitude: 10.725 E
Area :Frignano
Depth (km) :20.87
Distances (km) : 3.7 --- Prignano sulla Secchia (MO)
5.1 --- Castellarano (RE)
6.7 --- Serramazzoni (MO)
9.7 --- Sassuolo (MO)
10.4 --- Baiso (RE)
10.9 --- Fiorano Modenese (MO)
12.2 --- Viano (RE)
12.4 --- Casalgrande (RE)
13.2 --- Maranello (MO)
13.3 --- Polinago (MO)
14.7 --- Montefiorino (MO)
15.0 --- Scandiano (RE)
15.7 --- Formigine (MO)
16.3 --- Toano (RE)
16.4 --- Carpineti (RE)
16.9 --- Pavullo nel Frignano (MO)
17.0 --- Palagano (MO)
17.4 --- Lama Mocogno (MO)
17.9 --- Castelvetro di Modena (MO)
18.6 --- Casina (RE)

Quality location estimate:
Erh: 3.5 km, Erz: 1.5 km, Nf: 16, Gap: 121°, Rms: 0.197 s
Stazioni validate: 11


RsniPicker2 - Automatic location results
Station Net P arrival times P pick
err
P pick
weight
P res Nll
weight
S arrival time S pick
err
S pick
weight
S res Nll
weight
Dist.
GSCLGU2025-08-11 19:28:28.2500.01400.021.962025-08-11 19:28:32.2900.0711-0.011.6326.8
ZCCAIV2025-08-11 19:28:29.5000.0160-0.031.91--:---.-----.---.-- 31.6
SARMGU2025-08-11 19:28:31.1100.02400.001.822025-08-11 19:28:37.0990.1272-0.230.8945.6
VLCMN2025-08-11 19:28:31.5000.02500.001.80--:---.-----.---.-- 48.2
POPMGU2025-08-11 19:28:31.5700.0270-0.670.152025-08-11 19:28:38.0090.1432-1.360.1751.3
MAIMGU2025-08-11 19:28:34.9300.03500.011.57--:---.-----.---.-- 67.4
PLMAIV2025-08-11 19:28:37.7990.0430-0.101.29--:---.-----.---.-- 86.0
PIIIV2025-08-11 19:28:36.8800.1402-1.490.17--:---.-----.---.-- 86.8
LMDIV2025-08-11 19:28:40.8100.0460-0.081.252025-08-11 19:28:53.5600.2592-1.550.1691.7
CSNTIV2025-08-11 19:28:44.0400.06110.170.87--:---.-----.---.-- 121.1
GARGNI2025-08-11 19:28:46.3300.0681-0.550.36--:---.-----.---.-- 137.8
RNCAGU2025-08-11 19:28:47.9100.07111.390.00--:---.-----.---.-- 142.3


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
GSCL GU1.606.79e-126.8221SI
ZCCA IV1.201.96e-131.6122SI
SARM GU0.804.12e-245.6220SI
POPM GU1.009.92e-251.3177SI
MAIM GU1.102.67e-267.4197SI
PLMA IV1.303.01e-286.0237SI
PII IV1.101.89e-286.8191SI
GARG NI2.004.12e-2137.8358SI


Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation
Station Net Channel PGA
(g)
PGV
(m/s)
PGD
(m)
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 GUHHZ1.1247e-52.4871e-60.0000e+07.8140e-71.4231e-62.0741e-61.6854e-52.8137e-62.3924e-73.9277e-826.8221
GSCL GUHHN2.7134e-57.1045e-60.0000e+02.5990e-64.3258e-64.3258e-63.8801e-58.0859e-64.2883e-77.4928e-826.8221
GSCL GUHHE3.6884e-58.8201e-60.0000e+03.1179e-65.1401e-67.0572e-63.9827e-51.6525e-56.1543e-71.0816e-726.8221
ZCCA IVHHZ5.2462e-61.3374e-60.0000e+06.8810e-71.2375e-61.6472e-61.9668e-53.4475e-62.5930e-72.3362e-831.6122
ZCCA IVHHN4.3074e-61.2953e-60.0000e+01.1169e-62.3258e-62.3258e-61.0932e-58.4003e-64.9823e-74.8385e-831.6122
ZCCA IVHHE5.2194e-61.0466e-60.0000e+09.5458e-71.8703e-62.4868e-61.0021e-53.5380e-64.2439e-73.8835e-831.6122
SARM GUEHZ7.4691e-71.9285e-70.0000e+01.5969e-72.9383e-74.0511e-71.5892e-68.8676e-78.3003e-86.5368e-945.6220
SARM GUEHN1.0371e-62.6876e-70.0000e+02.2480e-74.8534e-74.8534e-73.5447e-69.3224e-71.2461e-71.0146e-845.6220
SARM GUEHE7.7622e-72.8487e-70.0000e+02.6541e-75.6241e-77.4502e-72.1186e-61.7990e-62.0327e-71.2830e-845.6220
VLC MNHHZ9.7860e-71.4425e-70.0000e+01.1074e-72.8641e-73.8766e-72.3313e-65.1424e-71.4965e-76.9304e-948.2-1
VLC MNHHN9.6465e-72.2368e-70.0000e+01.4678e-73.0110e-73.0110e-71.7365e-66.7816e-72.0359e-76.6156e-948.2-1
VLC MNHHE1.2299e-62.2466e-70.0000e+01.4629e-73.1571e-74.5012e-71.6685e-69.5829e-71.5378e-78.6894e-948.2-1
POPM GUHHZ3.5247e-67.1840e-70.0000e+04.6479e-77.9912e-71.1479e-61.0335e-53.2122e-61.3753e-71.5053e-851.3177
POPM GUHHN5.5508e-61.3688e-60.0000e+01.0440e-61.7762e-61.7762e-61.3245e-56.9960e-62.4285e-73.1978e-851.3177
POPM GUHHE3.8248e-68.3548e-70.0000e+08.4118e-71.3531e-61.7916e-61.2253e-56.1680e-62.2856e-72.6194e-851.3177
MAIM GUHHZ1.5692e-62.0874e-70.0000e+01.4809e-72.5464e-73.6117e-74.0982e-65.5715e-75.8000e-85.3139e-967.4197
MAIM GUHHN1.4292e-62.2740e-70.0000e+02.3530e-74.1959e-74.1959e-72.6671e-61.3248e-61.0944e-77.4965e-967.4197
MAIM GUHHE1.1786e-61.8411e-70.0000e+02.0202e-73.3078e-74.3325e-72.8458e-69.6911e-76.4585e-86.0632e-967.4197
PLMA IVHHZ8.8344e-71.2695e-70.0000e+01.0867e-72.7056e-73.7607e-72.0432e-65.0970e-72.0053e-76.2488e-986.0237
PLMA IVHHN1.0389e-62.3575e-70.0000e+02.4456e-74.3031e-74.3031e-72.5317e-61.2877e-61.5786e-78.4989e-986.0237
PLMA IVHHE1.0331e-62.3089e-70.0000e+01.7466e-73.7752e-75.6461e-72.9245e-68.2943e-72.3967e-78.2909e-986.0237
PII IVHHZ9.0987e-71.3979e-70.0000e+01.3795e-72.2233e-73.0376e-72.4865e-65.9664e-76.2277e-84.0083e-986.8191
PII IVHHN7.1313e-71.2744e-70.0000e+01.5417e-72.4476e-72.4476e-71.2153e-66.4235e-73.6490e-83.8688e-986.8191
PII IVHHE5.6456e-71.7825e-70.0000e+01.7004e-73.0649e-74.1677e-71.4296e-61.2459e-68.0977e-85.4453e-986.8191
GARG NIEHZ2.6239e-66.3210e-70.0000e+04.8381e-77.8781e-71.0807e-66.7235e-61.6192e-61.7008e-71.9178e-8137.8358
GARG NIEHN4.0962e-71.3255e-70.0000e+08.3029e-81.8839e-71.8839e-71.0855e-63.7143e-71.2972e-77.4643e-9137.8358
GARG NIEHE2.0478e-65.3314e-70.0000e+02.2346e-74.2345e-76.3645e-74.5400e-69.3491e-73.1696e-71.0717e-8137.8358
RNCA GUHHZ9.3764e-71.1209e-70.0000e+09.9782e-81.7761e-72.4238e-72.2779e-62.9553e-77.6093e-85.9525e-9142.3-1
RNCA GUHHN4.2789e-77.1026e-80.0000e+05.1358e-81.0676e-71.0676e-71.5329e-61.8603e-77.5992e-84.0467e-9142.3-1
RNCA GUHHE6.9631e-71.1642e-70.0000e+07.6523e-81.5206e-72.2066e-71.3223e-62.4736e-78.2196e-84.7666e-9142.3-1
*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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