MANUAL Location - Area: Appennino modenese , magnitude (ML): 1.3
2025-07-18 07:14:36 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-07-18 08:12:31

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Earthquake info - Manual location
Event - ID :250718071410
Magnitude (ML) :1.3 +/- 0.2
Origin Time :2025-07-18 07:14:36.475 (UTC)
Location : Latitude: 44.375 N, Longitude: 10.883 E
Area :Appennino modenese
Depth (km) :7.13
Distances (km) : 5.8 --- Pavullo nel Frignano
8.5 --- Guiglia
9.3 --- Zocca
9.5 --- Serramazzoni
11.6 --- Marano sul Panaro
12.5 --- Montese
13.0 --- Polinago
14.1 --- Lama Mocogno
14.1 --- Castel d Aiano
15.3 --- Castelvetro di Modena
15.3 --- Savigno
15.6 --- Vignola
16.3 --- Castello di Serravalle
16.7 --- Prignano sulla Secchia
16.8 --- Savignano sul Panaro
17.0 --- Maranello
18.3 --- Sestola
19.1 --- Montecreto
19.3 --- Fiorano Modenese
19.5 --- Castellarano

Quality location estimate: Erh: 1.8 km, Erz: 2.5 km, Nf: 22, Gap: 178 °, Rms: 0.25


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.
ZCCAIV2025-07-18 07:14:40.1390.02000.770.072025-07-18 07:14:44.5460.03002.930.0011.1
GSCLGU2025-07-18 07:14:41.9000.0180-0.012.102025-07-18 07:14:47.1290.08321.260.1024.9
ERBMIV2025-07-18 07:14:44.2700.0251-0.480.232025-07-18 07:14:51.3450.10020.221.2638.5
POPMGU2025-07-18 07:14:43.2100.0291-0.740.272025-07-18 07:14:49.6300.12130.031.6738.7
MTRZIV2025-07-18 07:14:44.0200.0200-1.490.052025-07-18 07:14:53.0390.04000.101.6444.3
SARMGU2025-07-18 07:14:44.9700.0291-0.051.882025-07-18 07:14:51.5200.27670.081.2444.6
VLCMN2025-07-18 07:14:45.4200.03010.101.822025-07-18 07:14:52.0170.04000.051.7446.9
CARDGU2025-07-18 07:14:45.0590.0200-0.870.242025-07-18 07:14:53.1200.25570.141.2250.8
MAIMGU2025-07-18 07:14:47.6300.0361-0.041.842025-07-18 07:14:55.0100.4999-1.040.3560.5
MSSAIV2025-07-18 07:14:56.1700.06030.121.482025-07-18 07:15:11.7390.04001.240.16109.1
GORRGU2025-07-18 07:14:59.6600.0703-0.011.43--:---.-----.---.-- 128.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
ZCCA IVHH1.442.10e+011.1110
GSCL GUHH1.222.97e-124.9264
POPM GUHH1.514.98e-138.7195
MTRZ IVHH1.168.43e-244.399
SARM GUEH0.915.57e-244.6241
CARD GUHH1.641.92e-150.8220
MAIM GUHH1.285.26e-260.5211
MSSA IVHH1.502.58e-2109.1267


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.
(°)
ZCCA IVHHZ8.5100e-51.2445e-55.3021e-62.2670e-61.1436e-61.0823e-42.6916e-51.8148e-61.6762e-711.1110
ZCCA IVHHN4.6347e-56.8154e-66.3124e-65.7274e-61.7864e-67.0073e-52.7984e-52.2755e-62.0555e-711.1110
ZCCA IVHHE5.0975e-51.3488e-51.2206e-51.1150e-54.6280e-67.6992e-56.8301e-55.9186e-65.6309e-711.1110
GSCL GUHHZ7.4566e-69.0216e-77.3176e-73.7191e-72.0338e-71.1538e-53.5360e-62.6382e-72.9389e-824.9264
GSCL GUHHN1.5703e-54.1451e-63.0412e-61.0923e-65.0199e-73.3041e-51.2498e-57.8252e-71.0075e-724.9264
GSCL GUHHE8.7149e-62.8565e-62.2421e-69.3726e-74.4527e-72.8994e-51.3718e-55.4664e-77.1764e-824.9264
ERBM IVEHZ2.7942e-65.2482e-72.8674e-71.2320e-77.4886e-89.2166e-61.0166e-69.1152e-81.0629e-838.5278
ERBM IVEHN3.7671e-66.5153e-74.6841e-71.5273e-77.5407e-81.0285e-52.0704e-61.1510e-71.4205e-838.5278
ERBM IVEHE3.8016e-65.6342e-74.2025e-71.3477e-77.2734e-81.0643e-52.3629e-69.9671e-81.3664e-838.5278
POPM GUHHZ1.6019e-53.0678e-62.1771e-66.5034e-72.4624e-74.1185e-51.1481e-54.0641e-77.6984e-838.7195
POPM GUHHN2.3137e-54.9965e-63.1103e-69.7435e-74.6777e-75.3775e-51.2954e-56.4739e-71.1082e-738.7195
POPM GUHHE1.9918e-55.8899e-64.6287e-61.3079e-66.5447e-75.6789e-53.3905e-59.6018e-71.4069e-738.7195
MTRZ IVHHZ2.4803e-63.6007e-73.8215e-72.6792e-71.2973e-74.5220e-62.5168e-61.3266e-71.2478e-844.399
MTRZ IVHHN3.4351e-66.8672e-77.1628e-76.0358e-72.3932e-77.2558e-63.5489e-62.3206e-72.3860e-844.399
MTRZ IVHHE1.0490e-63.5243e-72.9624e-72.0184e-71.0058e-72.7207e-61.8904e-61.2680e-71.4302e-844.399
SARM GUEHZ1.8613e-65.8416e-73.8175e-71.6444e-75.8068e-86.2864e-62.4414e-67.5594e-81.3535e-844.6241
SARM GUEHN1.7121e-63.4374e-73.4881e-72.5623e-78.9373e-85.9209e-61.7305e-68.5120e-81.0942e-844.6241
SARM GUEHE1.9444e-64.3482e-74.3809e-74.0374e-71.3813e-74.7682e-62.6717e-61.6114e-71.6503e-844.6241
VLC MNHHZ1.9429e-63.3860e-73.3507e-71.4690e-75.8227e-87.6549e-61.8588e-67.0171e-89.4115e-946.9239
VLC MNHHN1.4869e-63.3821e-72.3800e-71.1766e-75.5598e-84.5029e-62.0292e-66.8784e-87.1835e-946.9239
VLC MNHHE1.5066e-62.2558e-72.0473e-71.1256e-74.9113e-83.1613e-61.1129e-66.3571e-86.2044e-946.9239
CARD GUHHZ3.6778e-69.5513e-76.3804e-74.6825e-71.6172e-71.0060e-52.4932e-62.1124e-72.8070e-850.8220
CARD GUHHN7.4740e-61.8840e-61.4388e-67.8547e-73.0114e-73.2472e-57.3901e-63.9263e-74.7747e-850.8220
CARD GUHHE1.1347e-51.5940e-61.3763e-65.9796e-72.1153e-72.9550e-56.5169e-63.1481e-74.4176e-850.8220
MAIM GUHHZ9.7553e-72.2144e-71.9653e-71.3440e-75.6637e-83.4545e-61.0030e-66.6772e-86.1594e-960.5211
MAIM GUHHN1.3396e-63.8265e-74.1533e-72.6641e-79.9812e-84.3857e-61.7547e-61.1063e-71.1644e-860.5211
MAIM GUHHE1.3018e-64.1164e-73.4966e-72.2484e-71.0236e-75.0525e-62.3956e-61.2998e-71.5037e-860.5211
MSSA IVHHZ9.4971e-71.8316e-71.3606e-77.9927e-83.9915e-83.3402e-65.0304e-75.8598e-84.1616e-9109.1267
MSSA IVHHN8.4582e-72.4497e-71.2457e-78.8996e-83.3951e-81.9369e-65.0034e-74.7288e-84.6917e-9109.1267
MSSA IVHHE6.5788e-71.9927e-71.9167e-71.3514e-75.5446e-82.4736e-65.4626e-76.2845e-87.6892e-9109.1267
*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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