MANUAL Location - Area: Appennino modenese , magnitude (ML): 0.4
2025-06-03 14:35:51 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-06-04 10:14:56

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Earthquake info - Manual location
Event - ID :250603143438
Magnitude (ML) :0.4 +/- 0.2
Origin Time :2025-06-03 14:35:51.47 (UTC)
Location : Latitude: 44.310 N, Longitude: 10.773 E
Area :Appennino modenese
Depth (km) :6.20
Distances (km) : 3.3 --- Lama Mocogno
5.6 --- Polinago
5.6 --- Pavullo nel Frignano
8.1 --- Montecreto
8.9 --- Sestola
10.1 --- Palagano
11.5 --- Fanano
13.0 --- Riolunato
13.1 --- Serramazzoni
13.1 --- Montefiorino
14.3 --- Montese
15.8 --- Prignano sulla Secchia
16.0 --- Frassinoro
17.0 --- Pievepelago
17.5 --- Fiumalbo
17.9 --- Gaggio Montano
18.1 --- Zocca
18.5 --- Toano
18.6 --- Castel d Aiano
19.0 --- Lizzano in Belvedere

Quality location estimate: Erh: 0.6 km, Erz: 1.4 km, Nf: 16, Gap: 142 °, Rms: 0.09


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.
ZCCAIV2025-06-03 14:35:55.9640.02000.011.692025-06-03 14:36:02.8960.04003.560.0018.1
POPMGU2025-06-03 14:35:57.2600.01700.011.672025-06-03 14:36:01.4700.08920.081.2230.3
BDIIV2025-06-03 14:35:57.5100.0180-0.071.302025-06-03 14:36:01.9100.0922-0.071.1531.7
ERBMIV2025-06-03 14:35:57.8800.0170-0.550.102025-06-03 14:36:04.8550.04001.000.0031.9
SARMGU2025-06-03 14:35:57.8700.0190-0.031.562025-06-03 14:36:02.5300.0982-0.071.1233.6
VLCMN2025-06-03 14:35:58.3100.02000.121.132025-06-03 14:36:03.2300.04000.101.1735.7
CARDGU2025-06-03 14:35:58.9630.08030.091.262025-06-03 14:36:04.3300.11530.071.0939.8
MAIMGU2025-06-03 14:36:00.6930.0803-0.001.362025-06-03 14:36:07.0200.1454-0.540.1950.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
ZCCA IVHH0.134.22e-218.174
POPM GUHH0.661.15e-130.3182
BDI IVHH0.615.78e-231.7207
ERBM IVEH0.201.75e-231.9293
SARM GUEH0.292.35e-233.6245
VLC MNHH0.291.23e-235.7242
MAIM GUHH0.541.40e-250.0207


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 IVHHZ1.8277e-62.9120e-72.5092e-71.4166e-75.6943e-85.2821e-61.2419e-67.4283e-87.4805e-918.174
ZCCA IVHHN1.6585e-63.0744e-73.4295e-72.4297e-79.7890e-84.5009e-62.2617e-61.3022e-71.1614e-818.174
ZCCA IVHHE1.7970e-62.8930e-72.5880e-71.7042e-76.2157e-83.5588e-61.6403e-67.1852e-88.7491e-918.174
POPM GUHHZ1.6293e-51.9299e-63.1841e-77.4363e-84.6539e-89.2212e-61.3223e-67.1413e-81.1545e-830.3182
POPM GUHHN9.9204e-61.7719e-69.9016e-72.3922e-71.3251e-72.3197e-54.3674e-62.1049e-73.6860e-830.3182
POPM GUHHE5.8154e-61.1767e-68.8897e-72.1498e-71.0932e-71.1481e-55.2403e-61.7159e-73.1461e-830.3182
BDI IVHHZ4.0287e-65.1182e-72.9620e-78.7240e-84.1560e-86.6333e-61.9088e-66.5466e-81.2851e-831.7207
BDI IVHHN4.0361e-67.3810e-73.7220e-71.1598e-75.8021e-81.4239e-52.2057e-68.4582e-81.7486e-831.7207
BDI IVHHE5.0370e-68.2568e-75.4426e-71.3128e-78.8974e-81.0690e-52.8765e-61.3531e-72.1943e-831.7207
ERBM IVEHZ1.5535e-62.2535e-78.4551e-84.9732e-84.2614e-85.8849e-63.5266e-76.5281e-86.7134e-931.9293
ERBM IVEHN1.4805e-62.0077e-71.6134e-76.1024e-82.9457e-83.2967e-66.3142e-73.7925e-85.6760e-931.9293
ERBM IVEHE1.5891e-61.9395e-71.5066e-74.8760e-82.6288e-84.0732e-61.1094e-64.0292e-84.9185e-931.9293
SARM GUEHZ1.3023e-61.9770e-71.4633e-79.1644e-83.9555e-82.6067e-68.9103e-74.3995e-85.6884e-933.6245
SARM GUEHN2.1818e-63.9749e-71.6515e-71.0105e-74.4295e-84.1071e-65.7200e-76.7561e-81.0192e-833.6245
SARM GUEHE2.1677e-62.2041e-71.2724e-75.1554e-82.6733e-84.1837e-67.6024e-72.8594e-85.5626e-933.6245
VLC MNHHZ1.9520e-62.3714e-77.4551e-83.9860e-82.2979e-83.0092e-63.0161e-72.6910e-83.4067e-935.7242
VLC MNHHN1.6591e-62.4828e-71.1383e-74.2086e-82.5739e-84.2385e-63.9666e-73.7444e-87.0419e-935.7242
VLC MNHHE1.5683e-62.1285e-71.1512e-73.7740e-82.2120e-82.9039e-65.1440e-72.6047e-85.2570e-935.7242
CARD GUHHZ4.9421e-66.3240e-72.4422e-77.1569e-83.8173e-81.5359e-51.0017e-66.0050e-81.3586e-839.8216
CARD GUHHN9.2710e-61.3752e-64.7663e-71.0233e-76.1275e-82.9305e-51.3237e-61.1127e-72.9176e-839.8216
CARD GUHHE1.0649e-51.5871e-65.7029e-71.4162e-79.9797e-84.8413e-51.4307e-61.6362e-73.2977e-839.8216
MAIM GUHHZ4.8492e-71.1128e-77.0820e-85.8105e-84.7915e-81.5629e-63.7273e-77.6381e-81.1479e-850.0207
MAIM GUHHN7.6773e-71.7808e-71.2731e-79.1948e-86.6476e-83.1408e-66.4992e-78.8426e-81.3110e-850.0207
MAIM GUHHE6.5257e-71.1890e-79.4503e-84.3777e-82.1610e-81.8048e-64.7217e-72.9123e-83.6081e-950.0207
*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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