MANUAL Location - Area: Riviera di ponente , magnitude (ML): 1.3
2024-04-26 12:38:50 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-04-26 13:11:51

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Earthquake info - Manual location
Event - ID :240426123758
Magnitude (ML) :1.3 +/- 0.2
Origin Time :2024-04-26 12:38:50.88 (UTC)
Location : Latitude: 43.751 N, Longitude: 7.763 E
Area :Riviera di ponente
Depth (km) :15.85
Distances (km) : 6.8 --- Ospedaletti
7.8 --- San Remo
8.9 --- Bordighera
10.2 --- Seborga
10.5 --- Vallebona
10.7 --- Vallecrosia
11.9 --- San Biagio della Cima
12.4 --- Soldano
13.1 --- Camporosso
13.2 --- Ventimiglia
13.7 --- Riva Ligure
14.3 --- Taggia
14.5 --- Santo Stefano al Mare
14.7 --- Ceriana
15.2 --- Perinaldo
15.3 --- Castellaro
15.4 --- Pompeiana
15.8 --- Terzorio
15.9 --- Dolceacqua
16.8 --- Apricale

Quality location estimate: Erh: 0.9 km, Erz: 0.7 km, Nf: 48, Gap: 195 °, Rms: 0.22


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.
SNRMIT2024-04-26 12:38:53.8690.0200-0.131.272024-04-26 12:38:56.2460.0400-0.021.5717.9
BIGNGU2024-04-26 12:38:54.7670.02000.041.512024-04-26 12:38:57.7630.04000.220.6021.8
BURYGU2024-04-26 12:38:54.8300.0180-0.331.012024-04-26 12:38:58.0000.0671-0.291.0823.2
BRDIT2024-04-26 12:38:54.9790.0200-0.350.952024-04-26 12:38:58.3010.0400-0.281.1023.8
IMIGU2024-04-26 12:38:55.4600.0130-0.001.602024-04-26 12:38:58.8200.0782-0.011.4426.5
MONFR2024-04-26 12:38:56.2680.0200-0.620.392024-04-26 12:39:00.7290.0400-0.570.5031.5
SAOFFR2024-04-26 12:38:57.5700.0271-0.021.552024-04-26 12:39:02.2500.1043-0.251.1535.2
DNSPIT2024-04-26 12:38:56.8420.02000.011.562024-04-26 12:39:01.0680.0400-0.051.4535.4
ESCAFR2024-04-26 12:38:57.8550.02000.091.222024-04-26 12:39:02.8870.10020.111.0936.3
PVTIT2024-04-26 12:38:57.4990.0200-0.241.142024-04-26 12:39:02.2470.0400-0.570.5138.2
TURFFR2024-04-26 12:38:58.8300.02210.091.252024-04-26 12:39:04.4390.1253-0.061.2841.9
PIAFFR2024-04-26 12:38:59.4600.02210.430.202024-04-26 12:39:04.6340.1745-0.241.1145.5
ROROGU2024-04-26 12:38:59.3000.0241-0.061.482024-04-26 12:39:05.3100.1494-0.151.2149.6
GARSIT2024-04-26 12:39:00.6900.02000.081.242024-04-26 12:39:07.6090.04000.091.1256.8
GBOSGU2024-04-26 12:39:00.6500.0281-0.201.242024-04-26 12:39:07.9290.17250.071.0457.4
EILFFR2024-04-26 12:38:59.1270.0602-1.670.012024-04-26 12:39:07.5500.1725-0.360.9357.8
ENRGU2024-04-26 12:39:01.7300.0311-0.071.432024-04-26 12:39:09.3000.1865-0.131.1262.3
CANOGU2024-04-26 12:39:01.8500.0321-0.350.952024-04-26 12:39:09.7990.5549-0.450.6265.5
STVGU2024-04-26 12:39:02.5600.0331-0.081.412024-04-26 12:39:10.6100.2016-0.211.0567.3
ISOFR2024-04-26 12:39:04.4000.03810.270.592024-04-26 12:39:13.5900.2286-0.021.0076.5
QLNOGU2024-04-26 12:39:04.3390.0200-0.540.572024-04-26 12:39:14.1200.3297-0.810.3780.6
PZZGU2024-04-26 12:39:07.8300.0502-0.470.732024-04-26 12:39:19.7490.2997-0.990.24100.1
PCPGU2024-04-26 12:39:09.1200.05820.430.332024-04-26 12:39:21.7000.33270.110.76109.0
SURFFR2024-04-26 12:39:10.1800.0562-0.081.252024-04-26 12:39:23.7290.3367-0.320.76112.2


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
SNRM ITHN1.286.19e-117.914
BIGN GUEH1.486.85e-121.8351
BURY GUHH1.253.57e-123.2282
BRD ITHN1.253.39e-123.8350
IMI GUHH1.263.87e-126.530
SAOF FRHH1.111.19e-135.2328
DNSP ITHN1.201.45e-135.451
ESCA FRHH0.704.36e-236.3286
PVT ITHN1.593.06e-138.222
TURF FRHH0.996.44e-241.9310
PIAF FRHH1.381.33e-145.5344
RORO GUHH1.341.01e-149.631
GARS ITHN1.368.05e-256.822
GBOS GUHH1.647.69e-257.46
EILF FRHH1.481.03e-157.8246
ENR GUHH1.822.62e-162.3333
CANO GUHH1.641.14e-165.537
QLNO GUHH1.444.50e-280.636
PZZ GUHH1.464.84e-2100.1329
PCP GUHH1.261.62e-2109.035


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.
(°)
SNRM ITHNZ5.8281e-55.5039e-62.2779e-66.2516e-73.1104e-71.1025e-48.3615e-65.1960e-78.9574e-817.914
SNRM ITHNN9.5785e-51.1779e-54.6557e-61.3623e-68.1681e-72.0578e-41.9016e-51.3645e-62.3785e-717.914
SNRM ITHNE4.9875e-59.7328e-64.2713e-61.4544e-69.2084e-71.1529e-42.1574e-51.5143e-62.7125e-717.914
BIGN GUEHZ3.7850e-54.7882e-61.2146e-63.3788e-71.8116e-75.2330e-53.8651e-63.7947e-79.5575e-821.8351
BIGN GUEHN8.2736e-59.6485e-62.2831e-66.8144e-73.5293e-71.4114e-47.8226e-67.3027e-72.0992e-721.8351
BIGN GUEHE1.3966e-41.5891e-54.9942e-61.5428e-68.0826e-71.7236e-42.2519e-51.5829e-63.3390e-721.8351
BURY GUHHZ6.0113e-55.5073e-61.3964e-64.0843e-72.3227e-77.6053e-54.9615e-65.0834e-71.1826e-723.2282
BURY GUHHN8.2107e-58.8441e-62.3310e-69.0490e-75.3271e-71.3758e-41.0009e-59.9594e-72.1325e-723.2282
BURY GUHHE6.5463e-55.8739e-61.9505e-66.1589e-74.0772e-79.6168e-57.3915e-67.0527e-71.1761e-723.2282
BRD ITHNZ6.1572e-54.8250e-61.3327e-64.0338e-72.1051e-74.6255e-55.6526e-63.4473e-75.1158e-823.8350
BRD ITHNN2.8682e-53.7358e-61.6717e-67.7680e-73.4557e-75.0264e-58.6326e-65.2842e-78.7967e-823.8350
BRD ITHNE2.2465e-54.4215e-62.6900e-69.7986e-75.4119e-74.2156e-51.2896e-57.7921e-71.3111e-723.8350
IMI GUHHZ7.4053e-59.7904e-61.7032e-65.6400e-73.5296e-71.3958e-46.4590e-67.7180e-71.9991e-726.530
IMI GUHHN9.1909e-59.4366e-62.2636e-67.6450e-74.5026e-71.3855e-48.1614e-68.3092e-72.1048e-726.530
IMI GUHHE8.3991e-59.6570e-62.5029e-68.7957e-75.5483e-71.5613e-48.9459e-61.0217e-62.0504e-726.530
MON FRHHZ4.1310e-65.3625e-73.0977e-73.4223e-74.5194e-75.8332e-61.7541e-67.1021e-75.1169e-831.5265
MON FRHHN5.6620e-66.8847e-74.3450e-73.5930e-73.9631e-71.0395e-52.1672e-66.0226e-73.3388e-831.5265
MON FRHHE4.9155e-65.8921e-74.5200e-72.4386e-71.2456e-78.5851e-64.3518e-61.7217e-71.6690e-831.5265
SAOF FRHHZ1.0027e-51.4422e-61.1240e-64.0984e-71.6861e-72.4859e-56.3138e-62.5536e-74.3586e-835.2328
SAOF FRHHN1.6710e-52.5566e-61.0943e-63.0868e-71.8746e-73.7305e-56.6201e-62.9343e-74.6854e-835.2328
SAOF FRHHE2.0320e-52.6103e-61.0558e-62.4813e-71.3258e-73.2519e-54.4101e-62.2259e-75.5098e-835.2328
DNSP ITHNZ2.9498e-52.4258e-69.6433e-73.9195e-72.1195e-72.6905e-53.6079e-63.2003e-75.0896e-835.451
DNSP ITHNN2.9538e-53.1545e-61.2068e-64.1509e-72.5965e-77.2114e-55.7764e-63.7587e-77.2963e-835.451
DNSP ITHNE2.9743e-53.2831e-61.4580e-63.9990e-71.9796e-74.9208e-56.9862e-62.7619e-76.3237e-835.451
ESCA FRHHZ5.5437e-66.4822e-72.4251e-71.2343e-74.3218e-88.0469e-68.3606e-77.2480e-81.1926e-836.3286
ESCA FRHHN8.4730e-68.7060e-74.1674e-71.2696e-75.1145e-81.9816e-51.7449e-69.5934e-81.7666e-836.3286
ESCA FRHHE7.0756e-68.7975e-73.9559e-71.5710e-71.0805e-78.6454e-61.4086e-61.8291e-71.7140e-836.3286
PVT ITHNZ4.9042e-54.2792e-68.4870e-72.9806e-71.8371e-73.7989e-53.1208e-63.6197e-78.9531e-838.222
PVT ITHNN8.8651e-57.9894e-61.6079e-64.5526e-72.5340e-78.1696e-56.4832e-66.1230e-71.7115e-738.222
PVT ITHNE1.2723e-41.1938e-51.6547e-65.1521e-73.5568e-71.4728e-45.3626e-69.1733e-72.4899e-738.222
TURF FRHHZ5.5921e-65.6908e-72.9497e-71.2155e-75.8839e-85.8782e-61.5901e-69.3658e-81.4871e-841.9310
TURF FRHHN1.0439e-51.3426e-64.8040e-71.5231e-77.2470e-81.9528e-52.8780e-61.2083e-72.6176e-841.9310
TURF FRHHE8.7331e-61.1168e-64.5635e-71.3098e-71.0894e-71.4886e-52.3125e-61.9865e-73.0144e-841.9310
PIAF FRHHZ1.8688e-52.0387e-67.5739e-72.5973e-71.1989e-72.9997e-53.5162e-62.0234e-74.1003e-845.5344
PIAF FRHHN1.4899e-52.0122e-66.6076e-72.5420e-71.4153e-74.8675e-51.8441e-61.9203e-74.5581e-845.5344
PIAF FRHHE2.2451e-53.0892e-69.2105e-72.8991e-71.4135e-76.1570e-53.5023e-62.4890e-76.2721e-845.5344
RORO GUHHZ1.3104e-51.5417e-67.3687e-71.8830e-71.0195e-71.8490e-52.5605e-61.6872e-73.3798e-849.631
RORO GUHHN1.1674e-51.6395e-68.1942e-72.0703e-71.3801e-72.4617e-52.5669e-62.1521e-74.0911e-849.631
RORO GUHHE1.0580e-51.5548e-67.3990e-71.7391e-79.3850e-82.9857e-52.5754e-61.8118e-73.8130e-849.631
GARS ITHNZ6.8501e-66.6468e-74.4931e-72.6109e-71.7333e-78.5680e-62.3999e-62.8922e-72.1093e-856.822
GARS ITHNN6.4539e-68.9379e-76.1403e-74.1959e-74.3625e-71.4199e-53.0437e-67.0794e-76.9971e-856.822
GARS ITHNE9.3315e-61.4593e-67.8840e-72.8291e-71.4518e-72.2832e-53.6271e-61.9678e-73.7804e-856.822
GBOS GUHHZ4.4979e-66.4163e-73.9611e-71.2952e-77.4525e-81.5890e-52.4274e-61.0795e-71.8154e-857.46
GBOS GUHHN4.7607e-64.8971e-72.9162e-71.0517e-74.0569e-81.1655e-51.3696e-66.2282e-81.2603e-857.46
GBOS GUHHE5.2724e-69.9397e-76.1650e-72.1441e-71.1478e-71.0268e-52.9453e-61.7649e-72.5551e-857.46
EILF FRHHZ1.4778e-51.3423e-63.2928e-71.3374e-71.6238e-71.4527e-51.4957e-62.7118e-73.0223e-857.8246
EILF FRHHN1.5095e-51.6555e-66.6873e-72.5168e-72.3424e-72.5912e-52.2222e-63.8842e-74.1466e-857.8246
EILF FRHHE1.8912e-51.5100e-65.1206e-72.1396e-71.6881e-71.6987e-51.7211e-62.8722e-74.0670e-857.8246
ENR GUHHZ3.8609e-53.6077e-61.1171e-63.6835e-71.7644e-76.1831e-55.8119e-62.7308e-76.6442e-862.3333
ENR GUHHN1.1413e-41.0450e-51.5950e-65.2635e-72.9510e-71.0991e-45.7381e-66.9496e-71.7909e-762.3333
ENR GUHHE1.2333e-41.0044e-51.4736e-65.2945e-72.8909e-71.1934e-45.6639e-66.8905e-71.8063e-762.3333
CANO GUHHZ7.6092e-67.1515e-74.3895e-72.5966e-71.1159e-77.4663e-61.4083e-61.6665e-72.0627e-865.537
CANO GUHHN7.6492e-61.2025e-61.0187e-63.1109e-71.5927e-71.3446e-56.6539e-62.3706e-73.6551e-865.537
CANO GUHHE3.7832e-68.5359e-77.6621e-73.6393e-71.5131e-71.2197e-54.8981e-62.3049e-72.8551e-865.537
STV GUHHZ1.8809e-51.9849e-66.6950e-71.9883e-78.9053e-82.8933e-52.8806e-61.7147e-74.2046e-867.3328
STV GUHHN1.2643e-51.3792e-66.1463e-72.0272e-79.0792e-82.8141e-52.2973e-61.4475e-73.0326e-867.3328
STV GUHHE3.2524e-53.7777e-61.2514e-64.9047e-72.7397e-75.5629e-58.2207e-64.7625e-78.7961e-867.3328
ISO FRHHZ1.9410e-62.5394e-71.3327e-74.6270e-82.1540e-83.8329e-68.3812e-73.0428e-85.2460e-976.5310
ISO FRHHN3.0530e-64.1445e-71.3182e-74.1122e-81.6848e-85.7586e-66.7909e-72.7240e-87.4338e-976.5310
ISO FRHHE1.7155e-61.7689e-78.3700e-82.4951e-81.4855e-82.8380e-64.6858e-72.4166e-84.1025e-976.5310
QLNO GUHHZ2.1961e-63.4233e-72.0126e-71.1078e-74.9036e-85.0658e-61.3351e-65.0361e-87.5725e-980.636
QLNO GUHHN3.5463e-64.9077e-73.5270e-71.1171e-76.1130e-86.4825e-62.7771e-69.9138e-81.2971e-880.636
QLNO GUHHE3.5075e-64.6187e-72.6401e-78.7575e-85.0269e-88.7574e-61.4400e-68.7553e-81.2860e-880.636
PZZ GUHHZ3.3435e-66.4777e-73.8361e-71.3145e-77.2006e-87.9819e-62.2370e-61.1188e-71.7672e-8100.1329
PZZ GUHHN3.8910e-66.1065e-74.3231e-72.5451e-71.0589e-77.8235e-62.0887e-61.4161e-71.8557e-8100.1329
PZZ GUHHE2.6684e-65.0545e-72.9950e-71.1084e-75.8935e-88.0170e-61.5179e-67.8451e-81.0463e-8100.1329
PCP GUHHZ1.1986e-61.7808e-71.6079e-78.8544e-88.1572e-81.9880e-67.7997e-71.6787e-71.4067e-8109.035
PCP GUHHN1.1569e-61.4069e-79.4861e-83.6567e-82.1139e-83.0619e-65.8024e-73.9073e-83.8025e-9109.035
PCP GUHHE1.4028e-61.8758e-71.5066e-75.6793e-83.5457e-84.2056e-65.7228e-75.6900e-86.2059e-9109.035
*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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