MANUAL Location - Area: Cuneese-Valle Stura , magnitude (ML): 0.6
2026-04-21 19:16:59 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-04-22 08:55:11

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Earthquake info - Manual location
Event - ID :260421191639
Magnitude (ML) :0.6 +/- 0.2
Origin Time :2026-04-21 19:16:59.664 (UTC)
Location : Latitude: 44.630 N, Longitude: 7.517 E
Area :Cuneese-Valle Stura
Depth (km) :11.68
Distances (km) : 2.8 --- Saluzzo
2.9 --- Manta
3.1 --- Lagnasco
4.2 --- Verzuolo
6.5 --- Castellar
7.1 --- Scarnafigi
7.2 --- Pagno
7.6 --- Costigliole Saluzzo
8.5 --- Piasco
8.7 --- Vottignasco
9.4 --- Brondello
9.5 --- Villafalletto
10.5 --- Revello
10.5 --- Monasterolo di Savigliano
11.0 --- Ruffia
11.2 --- Savigliano
11.6 --- Rossana
11.7 --- Isasca
12.0 --- Torre San Giorgio
12.1 --- Villanova Solaro

Quality location estimate: Erh: 1 km, Erz: 2.5 km, Nf: 42, Gap: 63 °, Rms: 0.39


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.
BHBGU2026-04-21 19:17:05.2800.02000.001.372026-04-21 19:17:09.0800.11030.061.1032.7
CMAGIV2026-04-21 19:17:06.0360.02000.031.322026-04-21 19:17:10.2990.0400-0.021.3032.9
PZZGU2026-04-21 19:17:05.7020.0200-0.531.132026-04-21 19:17:10.1560.1745-0.680.9237.0
PONCIV2026-04-21 19:17:06.4730.0200-0.311.272026-04-21 19:17:11.0300.0400-0.730.8041.2
VINDIV2026-04-21 19:17:07.3470.0200-0.331.282026-04-21 19:17:13.0450.0400-0.251.3246.2
ENRGU2026-04-21 19:17:07.7500.05620.061.192026-04-21 19:17:13.2500.1514-0.081.2447.0
STVGU2026-04-21 19:17:07.7310.0200-0.021.352026-04-21 19:17:13.0710.1514-0.341.2847.0
GBOSGU2026-04-21 19:17:08.4630.0200-0.201.272026-04-21 19:17:14.2430.1002-0.700.8851.7
SURFFR2026-04-21 19:17:09.6000.0321-0.531.162026-04-21 19:17:16.8180.0400-0.910.5859.3
MONCIV2026-04-21 19:17:10.9030.0331-0.371.292026-04-21 19:17:19.3600.2827-0.990.5760.2
RSPGU2026-04-21 19:17:09.7760.0200-0.201.292026-04-21 19:17:17.4470.0400-0.031.2162.3
ISOFR2026-04-21 19:17:10.5510.02000.120.932026-04-21 19:17:17.9080.0400-0.001.1763.2
RRLGU2026-04-21 19:17:10.6000.0391-0.630.992026-04-21 19:17:18.0640.0400-1.250.2767.3
SAOFFR2026-04-21 19:17:12.7740.02000.810.012026-04-21 19:17:21.0700.22560.240.6672.5
ROROGU2026-04-21 19:17:11.7300.0402-0.471.222026-04-21 19:17:20.6250.1002-0.441.2073.2
MLIGIV2026-04-21 19:17:12.3850.0200-0.021.282026-04-21 19:17:20.4270.0400-1.230.3073.5
TURFFR2026-04-21 19:17:12.7600.02000.230.562026-04-21 19:17:20.9890.0400-0.850.6874.4
QLNOIV2026-04-21 19:17:12.3790.0200-0.531.152026-04-21 19:17:21.2900.2316-1.040.5275.0
PCPGU2026-04-21 19:17:13.7000.0200-0.261.322026-04-21 19:17:23.0500.2547-1.090.4882.9
IMIGU2026-04-21 19:17:14.0600.0200-0.251.322026-04-21 19:17:24.5300.2657-0.441.0986.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BHB GUHH0.806.09e-232.7319
PONC IVHH0.582.58e-241.2270
STV GUHH0.551.24e-247.0200
GBOS GUHH1.082.64e-251.7149
RSP GUHH0.326.45e-362.3341
RRL GUHH0.394.03e-367.3300
SAOF FRHH0.506.55e-372.5178
RORO GUHH0.567.49e-373.2143
TURF FRHH0.203.12e-374.4188
QLNO IVHH0.831.31e-275.0117
PCP GUHH0.708.57e-382.997
IMI GUHH0.921.60e-286.3159


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.
(°)
BHB GUHHZ8.9982e-68.3743e-72.1322e-76.0174e-83.3775e-88.8092e-68.5177e-76.1479e-81.2255e-832.7319
BHB GUHHN5.0405e-66.1372e-72.7881e-77.7809e-83.8243e-88.4801e-61.3547e-66.9754e-81.2920e-832.7319
BHB GUHHE1.0990e-51.3729e-64.9833e-71.2670e-77.7037e-81.6831e-51.9671e-61.5325e-73.0013e-832.7319
CMAG IVHHZ1.2536e-51.3680e-67.1708e-72.0924e-71.0892e-72.4975e-53.1740e-61.8663e-73.4480e-832.9110
CMAG IVHHN2.7656e-56.0516e-62.4412e-66.6183e-73.5093e-77.2590e-51.0618e-55.7318e-71.2897e-732.9110
CMAG IVHHE1.8936e-52.8260e-61.0872e-62.7433e-71.3707e-74.1121e-53.8165e-62.6364e-76.4055e-832.9110
PZZ GUHHZ2.5671e-63.7231e-72.1787e-75.5298e-82.8837e-85.7218e-61.3284e-64.9061e-89.0593e-937.0247
PZZ GUHHN3.1614e-63.8481e-72.0002e-75.2012e-82.7084e-86.3715e-67.0153e-75.1997e-88.5904e-937.0247
PZZ GUHHE2.3101e-63.6072e-72.4446e-77.3554e-83.3772e-86.6497e-61.5039e-65.2780e-87.7793e-937.0247
PONC IVHHZ5.6676e-65.5978e-71.4356e-73.8874e-82.8325e-87.0291e-65.0495e-75.8528e-81.2190e-841.2270
PONC IVHHN5.0673e-67.2517e-71.9043e-76.1982e-83.1335e-81.1509e-59.7431e-76.0960e-81.4877e-841.2270
PONC IVHHE4.0138e-64.3301e-71.6582e-75.4939e-82.9349e-85.5105e-65.3961e-74.5570e-88.9759e-941.2270
ENR GUHHZ1.9856e-51.6869e-64.0642e-71.0376e-75.3408e-82.0034e-51.6584e-61.0898e-73.0537e-847.0190
ENR GUHHN4.6206e-53.8699e-67.5967e-71.9957e-71.1720e-76.2704e-52.5771e-62.9257e-76.9489e-847.0190
ENR GUHHE7.6419e-56.5591e-61.2550e-63.4458e-72.0161e-77.0894e-55.2940e-64.0512e-71.1443e-747.0190
STV GUHHZ2.2151e-62.5789e-71.1995e-72.5523e-81.3815e-86.2642e-65.4552e-72.4979e-85.5054e-947.0200
STV GUHHN2.4002e-62.8807e-79.5278e-82.5368e-81.3613e-85.8588e-63.6373e-71.8867e-85.4045e-947.0200
STV GUHHE2.4763e-62.7230e-71.1801e-74.1226e-81.6182e-84.2563e-64.8309e-72.2921e-85.6615e-947.0200
GBOS GUHHZ4.5193e-67.4304e-72.6355e-77.1515e-83.6005e-81.4166e-58.0272e-76.3312e-81.5461e-851.7149
GBOS GUHHN3.9947e-65.0115e-72.0900e-77.1275e-84.3426e-88.2760e-66.8257e-77.3179e-81.1514e-851.7149
GBOS GUHHE3.6227e-63.8092e-72.0849e-75.3580e-82.4934e-89.2818e-68.1498e-74.1854e-88.0835e-951.7149
MONC IVHHZ1.7994e-63.1997e-72.2021e-77.4016e-83.2600e-85.1380e-68.9662e-74.9455e-88.2909e-960.233
MONC IVHHN2.6617e-63.8516e-73.0855e-71.2121e-74.5175e-85.3102e-61.3521e-65.8722e-88.8139e-960.233
MONC IVHHE2.0167e-53.6966e-62.1889e-61.9419e-62.1799e-64.3464e-51.1030e-53.3737e-61.7955e-760.233
RSP GUHHZ5.6927e-79.7662e-83.3027e-81.5473e-88.5034e-91.3466e-61.6576e-71.2979e-81.8554e-962.3341
RSP GUHHN6.4151e-78.6808e-84.7293e-81.7967e-89.3749e-92.0680e-62.0907e-71.4826e-81.8551e-962.3341
RSP GUHHE6.1846e-79.1765e-85.6702e-81.9109e-89.7518e-91.8377e-62.8437e-71.8136e-82.0818e-962.3341
ISO FRHHZ3.8478e-75.1628e-82.7557e-89.2390e-94.3323e-99.2881e-71.2100e-77.0518e-91.1793e-963.2217
ISO FRHHN4.4965e-76.2440e-82.1765e-86.3254e-93.2793e-91.0144e-61.0211e-74.6957e-91.2864e-963.2217
ISO FRHHE4.0113e-75.3155e-82.4747e-85.9534e-93.7422e-91.0991e-69.7092e-86.2485e-91.1511e-963.2217
RRL GUHHZ5.0658e-76.3802e-82.6721e-81.4495e-86.1330e-98.7562e-71.1889e-78.2363e-91.4634e-967.3300
RRL GUHHN4.6062e-77.4421e-83.8901e-81.5826e-89.5522e-91.1875e-61.6216e-71.3914e-81.4992e-967.3300
RRL GUHHE3.5523e-76.3783e-83.5980e-81.6426e-87.6539e-91.5794e-61.5897e-71.0365e-81.7865e-967.3300
SAOF FRHHZ4.0272e-78.4883e-86.0427e-82.6862e-81.1395e-81.4061e-62.2940e-71.4841e-82.0670e-972.5178
SAOF FRHHN4.2415e-78.3976e-85.3466e-82.6472e-81.2247e-81.0660e-62.3919e-71.9196e-82.7745e-972.5178
SAOF FRHHE3.8949e-79.9661e-85.7708e-82.4719e-81.7484e-81.3241e-62.9751e-72.0155e-82.2327e-972.5178
RORO GUHHZ9.5279e-71.2990e-75.5394e-82.1588e-81.3315e-81.9510e-61.5805e-72.2894e-84.5467e-973.2143
RORO GUHHN1.3057e-61.7306e-76.3412e-81.8635e-89.4012e-92.1160e-62.4115e-71.6084e-82.8799e-973.2143
RORO GUHHE1.1329e-61.5010e-76.1207e-81.5202e-88.8003e-93.7683e-62.5803e-71.5816e-83.6053e-973.2143
TURF FRHHZ2.0056e-73.3168e-82.2455e-89.2598e-94.2679e-93.6350e-71.1543e-76.4734e-99.0323e-1074.4188
TURF FRHHN2.7739e-74.3024e-82.9423e-81.0737e-86.7935e-97.9711e-71.8117e-71.0867e-81.0794e-974.4188
TURF FRHHE1.7476e-73.3456e-83.0459e-81.3938e-86.3422e-95.2421e-71.7764e-71.0079e-89.5513e-1074.4188
QLNO IVHHZ1.0131e-61.4712e-77.2640e-81.9565e-81.0937e-82.4939e-63.9482e-71.5689e-83.0602e-975.0117
QLNO IVHHN2.7737e-62.6846e-71.0373e-72.6399e-81.3406e-85.0227e-64.8242e-72.5399e-85.1183e-975.0117
QLNO IVHHE1.8108e-62.6092e-71.3114e-72.9720e-81.7006e-84.0275e-66.3670e-73.1133e-86.0312e-975.0117
PCP GUHHZ9.6051e-71.0848e-77.0142e-82.7242e-81.3546e-81.3093e-64.1448e-71.9859e-82.3415e-982.997
PCP GUHHN8.3901e-71.1392e-77.7367e-82.9507e-81.4094e-82.1916e-63.7046e-72.3308e-82.7688e-982.997
PCP GUHHE1.3691e-61.2780e-77.0004e-82.0681e-81.0508e-81.8205e-63.0602e-71.5170e-83.0215e-982.997
IMI GUHHZ4.9856e-78.4149e-85.1056e-81.7895e-88.3203e-91.2535e-62.2111e-71.4730e-82.2677e-986.3159
IMI GUHHN1.5438e-61.8948e-71.4169e-74.5157e-82.1102e-83.2224e-65.3093e-74.0323e-85.4080e-986.3159
IMI GUHHE9.3866e-71.3928e-77.6182e-82.3873e-81.2834e-81.4472e-64.4867e-72.1126e-83.2949e-986.3159
*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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