MANUAL Location - Area: Frignano , magnitude (ML): 1.1
2025-07-18 18:45:38 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-07-21 07:10:45

RSNI Logo


Earthquake info - Manual location
Event - ID :250718184521
Magnitude (ML) :1.1 +/- 0.2
Origin Time :2025-07-18 18:45:38.527 (UTC)
Location : Latitude: 44.538 N, Longitude: 10.226 E
Area :Frignano
Depth (km) :23.26
Distances (km) : 2.8 --- Tizzano Val Parma
8.9 --- Neviano Degli Arduini
9.3 --- Langhirano
10.7 --- Vetto
10.9 --- Calestano
11.5 --- Palanzano
12.8 --- Corniglio
13.2 --- Lesignano de Bagni
13.5 --- Terenzo
14.4 --- Ramiseto
16.0 --- Monchio delle Corti
16.0 --- Canossa
16.9 --- Traversetolo
17.6 --- Felino
17.8 --- Castelnovo ne Monti
18.5 --- San Polo d Enza
18.9 --- Berceto
19.7 --- Fornovo di Taro
19.9 --- Sala Baganza
20.2 --- Busana

Quality location estimate: Erh: 2.1 km, Erz: 1.7 km, Nf: 27, Gap: 111 °, Rms: 0.47


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.
GRAMGU2025-07-18 18:45:43.5200.01600.011.932025-07-18 18:45:47.1500.0872-0.081.6527.7
ERBMIV2025-07-18 18:45:44.1500.0211-0.551.032025-07-18 18:45:48.4900.0872-1.080.6531.3
GSCLGU2025-07-18 18:45:46.0000.0452-0.930.812025-07-18 18:45:51.3140.1243-1.880.1142.8
BVTIT2025-07-18 18:45:45.1480.0803-1.630.142025-07-18 18:45:52.9990.04000.021.5345.2
EQUIGU2025-07-18 18:45:46.9800.0200-0.021.862025-07-18 18:45:52.6200.1414-0.631.1147.9
SARMGU2025-07-18 18:45:46.4800.0251-0.750.862025-07-18 18:45:52.6600.1815-1.020.7748.3
VLCMN2025-07-18 18:45:47.4700.02610.051.612025-07-18 18:45:53.9340.0400-0.031.5650.0
MSSAIV2025-07-18 18:45:50.2300.0351-0.091.622025-07-18 18:45:58.3160.4108-0.900.8966.0
PLMAIV2025-07-18 18:45:49.7400.0401-0.411.042025-07-18 18:45:57.6160.1002-1.090.6766.0
ZCCAIV2025-07-18 18:45:51.9780.0200-0.031.652025-07-18 18:46:03.2810.04001.190.1067.5
POPMGU2025-07-18 18:45:51.2700.0200-0.371.052025-07-18 18:46:01.5430.04000.450.4073.1
MAIMGU2025-07-18 18:45:51.4600.0200-0.551.112025-07-18 18:46:02.3150.04000.690.2876.3
GORRGU2025-07-18 18:45:53.2690.02000.830.232025-07-18 18:46:02.8660.0400-0.261.3378.0
DOSSST2025-07-18 18:46:05.4400.0844-0.761.03--:---.-----.---.-- 168.8


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
GRAM GUHH1.396.52e-127.7248
ERBM IVEH1.211.88e-131.3131
GSCL GUHH1.481.88e-142.8126
BVT ITHN1.381.35e-145.2269
EQUI GUHH0.692.45e-247.9188
SARM GUEH0.874.40e-248.3160
VLC MNHH0.711.68e-250.0163
MSSA IVHH1.123.40e-266.0247
PLMA IVHH1.305.03e-266.0209
ZCCA IVHH1.082.92e-267.5109
POPM GUHH1.034.51e-273.1142
MAIM GUHH0.991.61e-276.3163
GORR GUHH1.182.66e-278.0276


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.
(°)
GRAM GUHHZ2.4090e-54.4761e-62.6247e-65.6521e-73.0464e-78.6212e-58.9432e-64.5784e-79.6305e-827.7248
GRAM GUHHN3.5302e-57.0877e-64.1404e-61.1719e-66.9449e-71.0930e-42.2214e-51.0918e-61.8076e-727.7248
GRAM GUHHE3.8864e-59.7586e-65.7921e-61.6305e-68.4701e-71.0293e-41.9647e-51.3133e-62.2617e-727.7248
ERBM IVEHZ7.1361e-61.4044e-69.6049e-76.5419e-73.6193e-72.8413e-55.2079e-63.7611e-73.8222e-831.3131
ERBM IVEHN1.0280e-52.6529e-61.6970e-67.0059e-73.4062e-73.6545e-59.0366e-64.1594e-76.5025e-831.3131
ERBM IVEHE1.2800e-52.6539e-62.0293e-68.5623e-73.5051e-72.8817e-51.0714e-54.3490e-75.6793e-831.3131
GSCL GUHHZ1.8940e-65.4866e-75.5407e-73.6574e-71.6817e-75.5939e-63.2667e-62.0258e-71.6497e-842.8126
GSCL GUHHN4.5136e-61.7969e-61.4773e-67.3254e-73.2811e-79.3990e-61.0505e-54.2588e-75.1236e-842.8126
GSCL GUHHE4.8155e-61.3989e-61.4598e-68.5343e-74.3620e-79.2412e-69.8078e-65.0388e-75.3084e-842.8126
BVT ITHNZ2.4781e-65.9824e-74.6797e-72.4534e-71.1127e-74.7491e-62.4925e-61.7156e-71.7594e-845.2269
BVT ITHNN6.9035e-61.7926e-61.2173e-64.7010e-72.0067e-71.0502e-55.0935e-62.8692e-74.3327e-845.2269
BVT ITHNE3.5872e-69.0848e-79.1412e-76.3489e-72.3514e-78.6877e-65.1461e-62.9584e-73.3910e-845.2269
EQUI GUHHZ1.4602e-62.9983e-71.9721e-71.1968e-75.0122e-81.4254e-61.8744e-66.2539e-86.8802e-947.9188
EQUI GUHHN6.6726e-72.0994e-71.6261e-71.3060e-77.3974e-81.6837e-61.0631e-68.9405e-87.5987e-947.9188
EQUI GUHHE8.0693e-72.0870e-72.0408e-71.0141e-74.5933e-81.4858e-61.8733e-65.7528e-86.7457e-947.9188
SARM GUEHZ2.0859e-64.1464e-72.5893e-77.1122e-84.3143e-83.0975e-61.8112e-66.4874e-89.6753e-948.3160
SARM GUEHN1.1526e-64.2794e-72.9186e-72.3618e-71.4743e-72.6414e-61.9764e-61.9489e-71.3328e-848.3160
SARM GUEHE9.6285e-72.3623e-72.2744e-71.2684e-74.0944e-82.6343e-61.1985e-65.1887e-86.6784e-948.3160
VLC MNHHZ1.0220e-61.8391e-71.1890e-75.4903e-82.9096e-82.8962e-66.7067e-73.8906e-84.3932e-950.0163
VLC MNHHN1.3346e-62.0319e-71.5530e-78.3109e-84.9270e-82.4801e-68.5622e-77.0125e-86.8159e-950.0163
VLC MNHHE1.5149e-61.7860e-71.4392e-76.2814e-83.3141e-83.1125e-66.8777e-73.7913e-84.9158e-950.0163
MSSA IVHHZ4.4231e-71.4457e-71.1478e-79.4425e-84.5710e-81.5101e-61.0499e-64.9380e-84.2402e-966.0247
MSSA IVHHN1.2156e-63.6215e-72.8099e-71.3441e-74.8630e-83.3561e-61.2476e-67.1271e-88.5383e-966.0247
MSSA IVHHE7.4086e-72.7024e-72.4376e-71.4490e-75.4556e-81.7637e-61.4464e-66.1523e-87.6682e-966.0247
PLMA IVHHZ9.1238e-72.4255e-72.1874e-71.6120e-75.7240e-81.2991e-61.1524e-66.1589e-87.1014e-966.0209
PLMA IVHHN1.8958e-64.5908e-74.4716e-71.8062e-77.9145e-85.1871e-62.6640e-61.0603e-71.4023e-866.0209
PLMA IVHHE1.0113e-62.7819e-72.7547e-71.2651e-75.7303e-83.5671e-61.5477e-68.9764e-87.1997e-966.0209
ZCCA IVHHZ1.5925e-61.6638e-71.1911e-77.0351e-82.6745e-89.5476e-79.6685e-73.2504e-83.6282e-967.5109
ZCCA IVHHN9.9708e-71.7579e-71.7118e-71.7611e-76.3165e-81.0985e-67.3372e-77.5417e-86.7883e-967.5109
ZCCA IVHHE2.4809e-62.1150e-71.3346e-71.0623e-74.2951e-81.1551e-69.6701e-74.8629e-84.2198e-967.5109
POPM GUHHZ1.4050e-62.2598e-72.1284e-79.2332e-83.4036e-84.1274e-61.6789e-64.5331e-86.1490e-973.1142
POPM GUHHN1.9089e-65.2680e-74.0099e-71.5476e-77.6978e-85.1569e-61.8011e-69.8190e-81.3694e-873.1142
POPM GUHHE1.4751e-64.2906e-73.6186e-72.1900e-71.0008e-74.1091e-63.1180e-61.2512e-71.3809e-873.1142
MAIM GUHHZ2.6473e-76.8724e-86.5441e-84.2667e-81.6077e-87.7317e-73.1408e-71.6627e-82.1665e-976.3163
MAIM GUHHN3.9992e-71.3505e-71.3039e-77.6236e-83.1926e-81.2305e-68.0369e-74.5277e-84.1689e-976.3163
MAIM GUHHE3.1205e-71.0914e-71.2086e-79.2993e-83.6431e-88.7056e-78.3787e-73.9587e-84.6272e-976.3163
GORR GUHHZ8.6165e-71.4138e-71.3390e-76.0708e-83.2105e-81.8491e-69.4121e-73.7439e-83.8857e-978.0276
GORR GUHHN6.3224e-72.1167e-71.9900e-71.0276e-76.9365e-81.3128e-61.6004e-68.8745e-88.4951e-978.0276
GORR GUHHE7.7468e-72.0850e-71.7608e-78.1112e-83.2984e-81.6619e-68.6081e-74.2653e-85.8142e-978.0276
*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)

rsni