MANUAL Location - Area: Zona Genova , magnitude (ML): 1.7
2025-04-17 18:25:44 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-04-17 18:45:39

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Earthquake info - Manual location
Event - ID :250417182519
Magnitude (ML) :1.7 +/- 0.2
Origin Time :2025-04-17 18:25:44.471 (UTC)
Location : Latitude: 44.440 N, Longitude: 8.767 E
Area :Zona Genova
Depth (km) :9.17
Distances (km) : 1.7 --- Mele
7.7 --- Arenzano
8.3 --- Masone
10.6 --- Genova
11.2 --- Cogoleto
12.2 --- Campo Ligure
12.4 --- Campomorone
12.5 --- Ceranesi
14.8 --- Mignanego
15.2 --- Urbe
15.5 --- Serra Ricco
15.9 --- Rossiglione
16.4 --- Tiglieto
16.6 --- Sant Olcese
17.4 --- Varazze
19.2 --- Fraconalto
20.4 --- Busalla
20.6 --- Celle Ligure
21.1 --- Voltaggio
21.3 --- Casella

Quality location estimate: Erh: 0.5 km, Erz: 0.4 km, Nf: 58, Gap: 77 °, Rms: 0.15


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.
RNCAGU2025-04-17 18:25:47.7730.0100-0.011.932025-04-17 18:25:50.1790.05610.031.7917.7
GENLGU2025-04-17 18:25:48.1280.02000.001.942025-04-17 18:25:50.6730.0400-0.061.6119.0
PCPGU2025-04-17 18:25:48.7220.0130-0.041.802025-04-17 18:25:51.7300.0742-0.041.5923.1
QLNOIV2025-04-17 18:25:51.3770.0190-0.170.882025-04-17 18:25:56.1600.1143-0.560.2837.1
GORRGU2025-04-17 18:25:52.4440.0241-0.430.362025-04-17 18:25:58.1000.1795-0.850.1346.7
SARZIV2025-04-17 18:25:53.6610.02000.111.522025-04-17 18:26:02.7640.04002.550.0149.8
CANOGU2025-04-17 18:25:53.6040.0200-0.021.682025-04-17 18:26:00.0400.1534-0.260.8350.4
ROTMGU2025-04-17 18:25:55.0000.1115-0.240.812025-04-17 18:26:03.2900.21760.540.4356.8
MSSAIV2025-04-17 18:25:55.1900.03110.091.542025-04-17 18:26:02.3470.1303-0.410.5362.0
ROROGU2025-04-17 18:25:56.0900.02000.031.612025-04-17 18:26:04.3600.2086-0.160.9467.3
VRLIT2025-04-17 18:25:56.3930.02000.111.452025-04-17 18:26:05.0850.04000.290.8469.6
GBOSGU2025-04-17 18:25:57.7540.02000.061.512025-04-17 18:26:07.4000.23560.280.8077.6
MGROGU2025-04-17 18:26:00.0640.02000.221.032025-04-17 18:26:11.1800.04000.021.1088.9
IMIGU2025-04-17 18:26:00.3340.02000.310.742025-04-17 18:26:11.6940.04000.111.0591.7
MLIGIV2025-04-17 18:26:02.1520.02000.330.712025-04-17 18:26:14.0520.0400-0.550.41100.3
GRAMGU2025-04-17 18:26:02.2840.02000.550.302025-04-17 18:26:16.0250.04002.140.03103.7
BIGNGU2025-04-17 18:26:02.7390.02000.700.182025-04-17 18:26:16.1990.04001.250.04104.1
SAOFFR2025-04-17 18:26:05.0180.10041.770.022025-04-17 18:26:16.6600.3297-0.200.73109.3
ENRGU2025-04-17 18:26:03.2140.0200-0.081.232025-04-17 18:26:16.4300.3678-0.140.73110.2
PZZGU2025-04-17 18:26:07.0400.06630.650.252025-04-17 18:26:21.7260.0400-0.760.27131.6
SURFFR2025-04-17 18:26:10.2440.02000.420.602025-04-17 18:26:28.3940.0400-0.330.65155.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
RNCA GUHH1.438.78e-117.777
GENL GUEH1.721.52e+019.0103
PCP GUHH1.496.84e-123.1303
GORR GUHH1.501.65e-146.766
SARZ IVHH1.571.70e-149.814
CANO GUHH1.732.45e-150.4239
RORO GUHH1.611.01e-167.3237
GBOS GUHH1.968.44e-277.6254
MGRO GUHH1.595.10e-288.9240
IMI GUHH1.626.83e-291.7230
GRAM GUHH1.566.01e-2103.786
BIGN GUEH1.714.69e-2104.1233
SAOF FRHH1.704.02e-2109.3243
ENR GUHH2.131.46e-1110.2258
PZZ GUHH2.008.52e-2131.6274


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.
(°)
RNCA GUHHZ6.5443e-57.5362e-63.0760e-69.5095e-74.3634e-71.2051e-41.4766e-57.3571e-71.4615e-717.777
RNCA GUHHN1.0277e-41.5623e-57.6805e-61.7281e-61.0401e-62.8822e-44.6343e-51.8623e-63.9258e-717.777
RNCA GUHHE1.0095e-41.2125e-56.6098e-61.6894e-69.6509e-72.4278e-42.5999e-51.5256e-62.4030e-717.777
GENL GUEHZ1.3448e-41.1337e-56.1347e-62.0017e-68.6763e-71.3509e-42.4578e-51.4630e-62.4999e-719.0103
GENL GUEHN1.0422e-41.8719e-51.3658e-53.5940e-61.9347e-62.3993e-46.4733e-52.7655e-64.3853e-719.0103
GENL GUEHE1.6580e-42.3557e-51.2981e-53.8505e-62.0263e-64.9989e-44.8411e-53.3250e-66.4036e-719.0103
PCP GUHHZ6.0499e-58.9738e-63.8586e-61.0660e-68.4975e-71.7184e-41.4572e-51.2985e-62.0575e-723.1303
PCP GUHHN6.2879e-58.5618e-64.4405e-61.7716e-68.2399e-71.7853e-41.9198e-51.3563e-62.2211e-723.1303
PCP GUHHE8.1186e-51.0167e-54.1970e-61.0815e-66.6542e-72.1223e-42.0100e-51.1633e-62.5290e-723.1303
QLNO IVHHZ1.2793e-51.7237e-68.1006e-72.9108e-71.5398e-73.4157e-54.2651e-62.4775e-73.9121e-837.1249
QLNO IVHHN2.3083e-52.3240e-61.0903e-64.4146e-73.2978e-73.2646e-54.2800e-64.7819e-76.3216e-837.1249
QLNO IVHHE1.6947e-52.4474e-61.2470e-63.4843e-71.4288e-74.4451e-53.8161e-62.4333e-75.6922e-837.1249
GORR GUHHZ8.6924e-61.6885e-61.1559e-64.4818e-71.7782e-72.7877e-56.5165e-62.7013e-73.5842e-846.766
GORR GUHHN1.3778e-51.9668e-61.3870e-65.5061e-72.6218e-73.4064e-55.3962e-63.9491e-74.5809e-846.766
GORR GUHHE1.0314e-52.2882e-61.6989e-64.7790e-72.2631e-73.3821e-57.3266e-63.2357e-75.4077e-846.766
SARZ IVHHZ5.8779e-68.7579e-78.7378e-75.7661e-72.4474e-72.0981e-53.7059e-62.8595e-73.1187e-849.814
SARZ IVHHN5.9834e-61.2902e-61.3916e-68.7214e-72.9939e-72.4016e-59.7318e-63.5838e-74.2517e-849.814
SARZ IVHHE7.7533e-61.4843e-61.2606e-67.6480e-73.9988e-71.4411e-58.6572e-63.4654e-73.7830e-849.814
CANO GUHHZ1.3236e-52.0753e-61.3807e-63.6541e-71.8631e-74.9707e-57.2069e-62.6270e-75.5677e-850.4239
CANO GUHHN2.1184e-53.1482e-62.5186e-68.8481e-73.8929e-76.5214e-51.6059e-55.8274e-78.2044e-850.4239
CANO GUHHE2.2903e-53.4453e-62.4967e-66.9858e-73.3839e-77.0853e-51.5494e-54.7295e-78.9306e-850.4239
ROTM GUHHZ9.3638e-61.3470e-61.1964e-65.5986e-72.3652e-72.1685e-56.2227e-62.7056e-73.2655e-856.8324
ROTM GUHHN2.1835e-53.9311e-63.3163e-61.6152e-68.0078e-73.7911e-51.4119e-58.2742e-79.6762e-856.8324
ROTM GUHHE1.8621e-53.9376e-63.5154e-61.4738e-66.1241e-75.0393e-51.6900e-56.8614e-71.0912e-756.8324
MSSA IVHHZ4.3230e-67.2203e-74.1668e-72.4933e-71.2108e-71.3425e-51.7703e-61.3524e-71.7016e-862.0103
MSSA IVHHN4.6581e-68.7546e-74.6301e-71.7572e-79.9422e-81.1460e-52.0699e-61.0687e-71.9324e-862.0103
MSSA IVHHE3.4423e-66.3382e-74.2219e-72.1854e-71.3227e-79.7582e-61.7566e-61.5798e-71.7043e-862.0103
RORO GUHHZ6.0404e-61.1894e-67.0993e-73.0164e-71.0445e-71.8914e-52.3013e-61.5572e-72.7450e-867.3237
RORO GUHHN7.6741e-61.4877e-68.5434e-72.8724e-71.3196e-72.9600e-53.7655e-62.0550e-73.8037e-867.3237
RORO GUHHE6.4763e-61.2681e-68.4300e-72.5423e-71.3434e-72.1949e-53.2947e-62.0650e-72.9980e-867.3237
GBOS GUHHZ4.0675e-67.6116e-74.4020e-72.2407e-71.0229e-72.2523e-52.1429e-61.1030e-71.7833e-877.6254
GBOS GUHHN4.1832e-68.7570e-77.1507e-72.9157e-71.6967e-71.3033e-55.9117e-62.2621e-72.6994e-877.6254
GBOS GUHHE3.1857e-64.9657e-74.6994e-71.7370e-79.3373e-81.1024e-52.9348e-61.0210e-71.2426e-877.6254
MGRO GUHHZ1.0925e-63.1796e-73.7622e-72.0642e-79.6305e-84.1135e-62.7834e-61.1294e-71.0195e-888.9240
MGRO GUHHN2.3864e-65.1499e-73.8718e-71.6089e-78.1385e-85.1805e-62.2519e-69.2962e-81.1563e-888.9240
MGRO GUHHE2.1585e-64.4481e-73.7717e-71.7031e-71.0869e-75.1906e-62.3484e-61.2171e-71.5484e-888.9240
IMI GUHHZ4.0752e-63.9398e-73.5046e-71.8317e-79.2350e-84.0991e-62.2310e-61.2598e-79.9225e-991.7230
IMI GUHHN2.0426e-51.9662e-66.5760e-73.3177e-71.3405e-79.7497e-63.6313e-62.0352e-72.5951e-891.7230
IMI GUHHE9.0359e-66.4644e-73.6982e-71.7833e-77.6944e-85.9447e-62.5161e-61.0302e-71.5890e-891.7230
GRAM GUHHZ2.9079e-63.5860e-72.2240e-71.0198e-75.7795e-84.7084e-61.1195e-68.2883e-88.7797e-9103.786
GRAM GUHHN3.0577e-66.1889e-74.2264e-71.5370e-79.8613e-87.6246e-62.3424e-61.4090e-71.9082e-8103.786
GRAM GUHHE2.8193e-67.5099e-75.8597e-71.8640e-79.3650e-86.8939e-63.2239e-61.2852e-71.9336e-8103.786
BIGN GUEHZ1.7326e-62.1796e-71.8678e-71.2288e-75.8670e-82.6249e-66.3983e-75.5610e-86.8603e-9104.1233
BIGN GUEHN3.0546e-65.4371e-73.7024e-71.7453e-71.0038e-75.4421e-62.1638e-61.6393e-71.9909e-8104.1233
BIGN GUEHE3.1407e-65.4929e-73.7555e-71.6431e-78.0876e-86.6146e-61.7673e-61.4975e-71.2034e-8104.1233
SAOF FRHHZ5.6712e-72.0286e-71.7019e-79.9430e-85.5771e-81.7176e-69.5423e-78.6898e-86.1564e-9109.3243
SAOF FRHHN7.1325e-71.8358e-71.9652e-71.4966e-75.4615e-81.8373e-61.4254e-67.9471e-86.7201e-9109.3243
SAOF FRHHE7.3615e-72.5644e-71.7851e-71.8898e-71.3439e-72.1427e-69.2273e-72.4223e-72.1789e-8109.3243
ENR GUHHZ6.4984e-61.1779e-67.2545e-72.0023e-78.8870e-82.3565e-53.2026e-61.4219e-72.8330e-8110.2258
ENR GUHHN2.5913e-53.4655e-61.2427e-63.5243e-72.0983e-74.4944e-54.6943e-63.8275e-76.9523e-8110.2258
ENR GUHHE2.0379e-52.5007e-69.3535e-73.6339e-72.5802e-74.6304e-53.3410e-64.6311e-77.5807e-8110.2258
PZZ GUHHZ2.2872e-68.0053e-76.8607e-73.0887e-71.2317e-75.0456e-64.0922e-61.5943e-72.0005e-8131.6274
PZZ GUHHN1.5360e-65.0088e-75.2235e-72.7311e-79.0252e-84.4264e-63.1999e-61.0837e-71.4397e-8131.6274
PZZ GUHHE2.3616e-67.4489e-76.2574e-73.5615e-71.4084e-75.5198e-63.7197e-61.7182e-72.1601e-8131.6274
*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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