MANUAL Location - Area: Appennino modenese , magnitude (ML): 1.0
2025-05-30 13:05:17 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-06-02 10:13:45

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Earthquake info - Manual location
Event - ID :250530130357
Magnitude (ML) :1.0 +/- 0.2
Origin Time :2025-05-30 13:05:17.512 (UTC)
Location : Latitude: 44.409 N, Longitude: 10.749 E
Area :Appennino modenese
Depth (km) :21.20
Distances (km) : 3.8 --- Serramazzoni
5.6 --- Prignano sulla Secchia
7.3 --- Polinago
10.6 --- Pavullo nel Frignano
11.2 --- Lama Mocogno
11.5 --- Castellarano
11.6 --- Montefiorino
12.5 --- Palagano
15.1 --- Sassuolo
15.3 --- Baiso
15.3 --- Toano
15.5 --- Fiorano Modenese
16.1 --- Maranello
16.9 --- Guiglia
17.9 --- Montecreto
18.3 --- Viano
18.5 --- Marano sul Panaro
18.7 --- Frassinoro
18.7 --- Casalgrande
18.8 --- Castelvetro di Modena

Quality location estimate: Erh: 1 km, Erz: 0.9 km, Nf: 16, Gap: 189 °, Rms: 0.19


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.
GSCLGU2025-05-30 13:05:22.5500.0140-0.211.072025-05-30 13:05:26.5800.0762-0.021.6626.1
ZCCAIV2025-05-30 13:05:23.7000.01100.031.662025-05-30 13:05:29.3710.04000.910.1229.1
ERBMIV2025-05-30 13:05:23.5390.0200-0.890.032025-05-30 13:05:29.5290.1002-0.141.4334.7
SARMGU2025-05-30 13:05:25.3700.0180-0.011.752025-05-30 13:05:31.2290.04000.061.3943.4
POPMGU2025-05-30 13:05:25.8530.0200-0.071.692025-05-30 13:05:32.1950.04000.001.5145.9
BDIIV2025-05-30 13:05:25.6700.0241-0.300.712025-05-30 13:05:31.9200.3157-0.290.8546.0
MSSAIV2025-05-30 13:05:36.6160.02001.330.132025-05-30 13:05:49.5090.04001.240.18100.8
GORRGU2025-05-30 13:05:38.8400.06020.091.142025-05-30 13:05:54.9990.04000.280.70119.5


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
ZCCA IVHH1.312.68e-129.1110
ERBM IVEH0.816.12e-234.7273
SARM GUEH0.804.64e-243.4228
POPM GUHH0.756.28e-245.9179
BDI IVHH1.047.55e-246.0197
MSSA IVHH1.161.42e-2100.8264


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 GUHHZ8.9770e-62.3032e-61.1664e-64.3091e-71.8903e-72.5888e-55.6114e-62.9527e-75.5308e-826.1243
GSCL GUHHN2.6280e-57.5817e-63.9286e-61.3397e-66.9838e-76.1907e-51.5877e-51.0162e-61.7612e-726.1243
GSCL GUHHE3.1962e-58.7481e-65.4182e-61.3811e-67.8024e-77.6487e-52.3951e-51.2140e-62.1661e-726.1243
ZCCA IVHHZ4.5285e-61.2413e-66.9691e-74.4580e-71.6300e-78.2565e-62.0025e-62.0056e-72.2754e-829.1110
ZCCA IVHHN3.6589e-62.2066e-61.5820e-61.3414e-65.6012e-75.7409e-61.0974e-56.7662e-77.2341e-829.1110
ZCCA IVHHE3.7425e-68.0067e-78.2378e-74.7799e-71.8783e-76.7678e-63.6989e-62.3149e-72.4168e-829.1110
ERBM IVEHZ1.5362e-63.2885e-72.2195e-71.1932e-74.9970e-86.5080e-68.6642e-75.4387e-88.0756e-934.7273
ERBM IVEHN2.4536e-67.7835e-75.5215e-71.6023e-77.7952e-86.2400e-61.8681e-61.1074e-72.1200e-834.7273
ERBM IVEHE2.8895e-67.0909e-75.0951e-71.2515e-76.8628e-89.7205e-62.0791e-61.0823e-71.7797e-834.7273
SARM GUEHZ7.7441e-71.6199e-71.5762e-77.8033e-83.7243e-82.6239e-61.0865e-64.7474e-84.4458e-943.4228
SARM GUEHN8.7040e-72.6526e-72.4289e-72.0760e-78.2554e-82.6677e-68.5174e-78.6375e-88.6433e-943.4228
SARM GUEHE7.6866e-73.5502e-72.7395e-71.7562e-78.0248e-81.7021e-62.1644e-61.2038e-71.1799e-843.4228
POPM GUHHZ1.3639e-62.9911e-72.6285e-71.1227e-74.7490e-84.7778e-61.9540e-65.4487e-87.8480e-945.9179
POPM GUHHN2.3577e-67.5171e-75.3686e-71.6757e-78.6801e-86.9221e-64.0081e-61.4925e-72.0655e-845.9179
POPM GUHHE1.6057e-64.4586e-74.3069e-71.7065e-77.1031e-85.5717e-62.9147e-69.5836e-81.1510e-845.9179
BDI IVHHZ2.4119e-65.2814e-73.3381e-71.4642e-76.4213e-85.8100e-61.5138e-68.0802e-81.0242e-846.0197
BDI IVHHN2.1092e-67.2716e-76.4867e-73.7969e-71.3492e-77.8368e-63.9427e-61.9987e-72.3332e-846.0197
BDI IVHHE3.0112e-67.3824e-75.3949e-72.1830e-71.0621e-77.1766e-63.1200e-61.2842e-71.9482e-846.0197
MSSA IVHHZ4.3309e-77.2322e-86.4494e-83.3313e-82.4712e-81.0661e-63.6800e-74.8124e-82.2926e-9100.8264
MSSA IVHHN5.1149e-71.2431e-79.8735e-84.7980e-82.4593e-81.7019e-64.6129e-73.5033e-83.7814e-9100.8264
MSSA IVHHE4.9007e-71.3485e-71.1196e-74.9690e-82.8263e-81.2742e-65.2136e-73.9670e-84.4516e-9100.8264
GORR GUHHZ7.7608e-71.1776e-71.0858e-75.2103e-81.9424e-82.4788e-66.7565e-72.5441e-84.2188e-9119.5281
GORR GUHHN6.6533e-72.6225e-72.1915e-78.7052e-84.0458e-82.0012e-62.5965e-64.9841e-86.8676e-9119.5281
GORR GUHHE7.9589e-72.1204e-71.7098e-71.0488e-74.7045e-81.9231e-67.6287e-75.6419e-86.0508e-9119.5281
*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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