MANUAL Location - Area: Zona Reggio Emilia , magnitude (ML): 1.4
2025-05-07 15:55:55 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-05-08 06:43:12

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Earthquake info - Manual location
Event - ID :250507155538
Magnitude (ML) :1.4 +/- 0.2
Origin Time :2025-05-07 15:55:55.853 (UTC)
Location : Latitude: 44.776 N, Longitude: 10.645 E
Area :Zona Reggio Emilia
Depth (km) :19.84
Distances (km) : 2.7 --- Bagnolo in Piano
3.9 --- Cadelbosco di Sopra
7.5 --- Castelnovo di Sotto
8.6 --- Reggio nell Emilia
9.0 --- Campegine
10.5 --- Novellara
10.6 --- Correggio
11.1 --- Poviglio
11.7 --- Campagnola Emilia
11.9 --- San Martino in Rio
12.7 --- Cavriago
13.2 --- Rio Saliceto
13.7 --- Gattatico
14.4 --- Gualtieri
15.4 --- Sant Ilario d Enza
16.3 --- Guastalla
16.4 --- Boretto
17.0 --- Fabbrico
17.3 --- Rubiera
17.3 --- Brescello

Quality location estimate: Erh: 1.4 km, Erz: 2.7 km, Nf: 30, Gap: 112 °, Rms: 0.35


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.
CAVEIV2025-05-07 15:55:57.4020.0200-6.960.002025-05-07 15:56:08.4900.0832-2.940.0035.9
ERBMIV2025-05-07 15:56:05.5700.0231-0.131.762025-05-07 15:56:14.7250.16040.900.5748.3
GSCLGU2025-05-07 15:56:05.9000.0251-0.331.042025-05-07 15:56:15.7230.04001.420.2551.7
ZCCAIV2025-05-07 15:56:08.1300.02710.001.962025-05-07 15:56:18.2150.04000.181.6257.8
GRAMGU2025-05-07 15:56:07.2000.03010.351.102025-05-07 15:56:15.6780.19550.071.6659.4
SARMGU2025-05-07 15:56:09.0100.03610.041.932025-05-07 15:56:18.3750.0400-0.720.4771.7
VLCMN2025-05-07 15:56:09.4450.02000.071.902025-05-07 15:56:19.6110.0400-0.151.6174.4
BALDNI2025-05-07 15:56:14.4200.0502-0.141.702025-05-07 15:56:29.2950.60290.181.11104.1
PLMAIV2025-05-07 15:56:16.4910.02002.340.012025-05-07 15:56:29.4920.04001.470.28104.1
MSSAIV2025-05-07 15:56:15.5700.05321.040.482025-05-07 15:56:33.0700.04003.930.00104.9
BAG8IV2025-05-07 15:56:17.2990.02000.730.622025-05-07 15:56:32.4130.0400-0.031.49118.9
PIIIV2025-05-07 15:56:17.3970.02000.221.552025-05-07 15:56:32.3950.0400-0.590.81119.2
DOSSST2025-05-07 15:56:18.7300.06430.111.702025-05-07 15:56:34.7270.0400-1.000.36131.5
GAGGST2025-05-07 15:56:21.1400.07330.011.702025-05-07 15:56:38.8600.0400-1.120.31148.7
CTIIV2025-05-07 15:56:22.7800.08030.780.672025-05-07 15:56:41.5980.04000.101.36163.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
ERBM IVEH1.411.27e-148.3205
GSCL GUHH1.308.59e-251.7185
ZCCA IVHH1.316.93e-257.8151
GRAM GUHH1.612.37e-159.4236
SARM GUEH1.183.91e-271.7196
VLC MNHH1.363.19e-274.4197
PLMA IVHH1.573.31e-2104.1218
MSSA IVHH1.643.85e-2104.9241
PII IVHH1.622.69e-2119.2185


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.
(°)
ERBM IVEHZ2.9118e-65.2895e-73.7701e-71.5087e-77.9899e-81.1429e-51.2660e-61.1616e-71.2912e-848.3205
ERBM IVEHN3.7454e-54.9014e-68.2189e-73.8514e-72.7501e-72.8594e-53.0929e-64.4065e-77.9888e-848.3205
ERBM IVEHE8.5778e-61.2395e-64.9355e-72.3072e-71.0135e-71.6567e-52.8309e-61.4265e-71.7769e-848.3205
GSCL GUHHZ1.2658e-63.5587e-73.9495e-73.3777e-71.8211e-73.2646e-61.8947e-62.2452e-71.6351e-851.7185
GSCL GUHHN1.7983e-67.1492e-77.4758e-74.8453e-72.4554e-73.0721e-65.9605e-63.3445e-72.4295e-851.7185
GSCL GUHHE1.7219e-66.8141e-77.1943e-74.7180e-72.6748e-72.7975e-65.7339e-63.0599e-72.2768e-851.7185
ZCCA IVHHZ1.0193e-62.2787e-72.8881e-72.1183e-76.2523e-82.9078e-61.6639e-68.0106e-88.5269e-957.8151
ZCCA IVHHN1.1613e-64.8455e-73.9972e-74.2107e-71.7429e-72.1753e-62.5101e-61.7857e-71.6028e-857.8151
ZCCA IVHHE1.0677e-63.9463e-74.2811e-74.9349e-72.2715e-72.0543e-63.0176e-62.9123e-71.7019e-857.8151
GRAM GUHHZ5.3802e-69.9044e-78.3131e-74.0970e-71.4595e-71.2308e-54.8750e-61.9591e-72.8743e-859.4236
GRAM GUHHN5.6175e-61.8456e-61.8411e-61.3222e-64.6259e-71.4285e-51.0856e-55.7377e-76.5728e-859.4236
GRAM GUHHE5.6384e-61.5667e-61.6888e-67.5023e-72.9126e-71.0465e-51.0467e-53.5984e-74.6824e-859.4236
SARM GUEHZ9.5249e-71.9398e-72.0293e-71.0433e-75.4981e-82.4867e-61.1070e-66.5057e-85.9135e-971.7196
SARM GUEHN9.9364e-72.6542e-72.5222e-72.1897e-79.2279e-82.4124e-69.3988e-71.0930e-77.4032e-971.7196
SARM GUEHE8.7571e-73.3247e-72.7135e-72.0169e-78.4806e-81.4578e-61.7346e-68.7096e-81.0934e-871.7196
VLC MNHHZ1.5797e-62.6190e-72.4374e-71.7728e-71.6881e-73.2373e-61.9888e-62.7164e-71.7917e-874.4197
VLC MNHHN1.6090e-63.3149e-72.4022e-71.5173e-71.0185e-72.6687e-61.9680e-61.1308e-77.9597e-974.4197
VLC MNHHE1.5636e-62.5582e-72.0600e-71.5233e-75.1384e-83.0923e-61.1209e-65.4226e-87.2010e-974.4197
BALD NIHHZ7.6402e-61.2232e-67.1940e-72.5964e-71.4316e-72.8132e-53.7859e-61.5435e-72.4563e-8104.18
BALD NIHHN1.2744e-53.0641e-62.3498e-61.1670e-64.2882e-73.4115e-58.6708e-64.9285e-77.6142e-8104.18
BALD NIHHE1.3416e-52.9889e-62.4706e-61.1966e-64.2583e-75.3713e-51.5326e-55.8677e-79.0647e-8104.18
PLMA IVHHZ9.7896e-72.1635e-71.5785e-76.8734e-85.2341e-82.7016e-68.5761e-77.7111e-85.7992e-9104.1218
PLMA IVHHN2.1335e-63.6073e-73.3672e-71.1888e-75.7732e-85.3470e-61.5052e-67.3034e-81.0598e-8104.1218
PLMA IVHHE1.6107e-62.6505e-72.6621e-71.0584e-74.8068e-85.6334e-61.4690e-67.6466e-87.0149e-9104.1218
MSSA IVHHZ1.4999e-62.2437e-78.9545e-84.6059e-84.9458e-82.7741e-63.7612e-78.9505e-85.7633e-9104.9241
MSSA IVHHN1.1524e-62.6727e-71.5695e-75.5073e-84.5500e-82.9867e-67.2091e-77.8608e-86.1325e-9104.9241
MSSA IVHHE8.1577e-72.6145e-71.4703e-71.0307e-71.8757e-71.6475e-68.8311e-74.1296e-73.0683e-8104.9241
PII IVHHZ1.3012e-62.1441e-71.7535e-76.7711e-83.9149e-84.0523e-61.2450e-65.3448e-85.9433e-9119.2185
PII IVHHN9.1769e-72.2317e-71.9741e-76.5271e-83.6070e-82.3629e-61.4196e-65.5559e-86.3141e-9119.2185
PII IVHHE9.8748e-72.8486e-72.2623e-79.1567e-84.6862e-82.4901e-61.4311e-65.9555e-87.8293e-9119.2185
CTI IVHHZ3.3131e-64.2951e-71.7621e-76.4756e-83.8614e-89.1622e-67.2932e-75.5181e-89.6482e-9163.129
CTI IVHHN3.3057e-66.8741e-73.9821e-71.1753e-75.3683e-81.5995e-51.3894e-67.6228e-81.3578e-8163.129
CTI IVHHE4.3833e-65.5968e-73.5679e-71.0696e-75.0679e-81.3324e-59.9298e-77.7126e-81.2274e-8163.129
*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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