MANUAL Location - Area: Alpi Graie , magnitude (ML): 1.1
2025-08-10 21:12:21 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-08-11 09:22:56

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Earthquake info - Manual location
Event - ID :250810211155
Magnitude (ML) :1.1 +/- 0.2
Origin Time :2025-08-10 21:12:21.095 (UTC)
Location : Latitude: 45.172 N, Longitude: 7.048 E
Area :Alpi Graie
Depth (km) :6.01
Distances (km) : 2.7 --- Mompantero
3.2 --- Novalesa
3.3 --- Venaus
3.9 --- Susa
4.5 --- Giaglione
5.7 --- Gravere
5.8 --- Meana di Susa
6.2 --- Moncenisio
7.5 --- Chiomonte
8.0 --- Mattie
8.7 --- Bussoleno
9.9 --- Chianocco
11.3 --- San Giorio di Susa
12.0 --- Bruzolo
12.3 --- Exilles
13.7 --- Usseaux
13.8 --- San Didero
15.2 --- Usseglio
15.2 --- Fenestrelle
15.8 --- Villar Focchiardo

Quality location estimate: Erh: 0.8 km, Erz: 0.5 km, Nf: 38, Gap: 54 °, Rms: 0.29


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.
RSPGU2025-08-10 21:12:25.0700.00900.011.912025-08-10 21:12:27.3400.0551-0.430.9618.7
OGMOFR2025-08-10 21:12:26.8600.01500.031.792025-08-10 21:12:30.0800.0882-0.630.8029.4
LSDGU2025-08-10 21:12:27.5600.0170-0.021.872025-08-10 21:12:31.5190.1384-0.460.9733.7
RRLGU2025-08-10 21:12:27.4800.0170-0.440.952025-08-10 21:12:32.0000.1093-0.590.8535.4
LATOIV2025-08-10 21:12:27.8690.0200-0.051.802025-08-10 21:12:32.5230.0400-0.081.5335.9
BHBGU2025-08-10 21:12:28.8400.02110.021.752025-08-10 21:12:33.4420.2066-0.710.7141.7
CANIGU2025-08-10 21:12:32.3280.02000.650.232025-08-10 21:12:39.4770.04000.530.2958.6
OGAGFR2025-08-10 21:12:31.8400.0341-0.021.632025-08-10 21:12:38.2900.3758-1.140.3858.9
CIROGU2025-08-10 21:12:32.4500.0321-0.690.702025-08-10 21:12:39.8200.3277-1.390.2363.3
RSLFR2025-08-10 21:12:33.1210.02000.001.572025-08-10 21:12:40.7200.0400-0.520.9266.4
MRGEIV2025-08-10 21:12:33.4000.03410.131.102025-08-10 21:12:40.8510.2356-0.630.8166.9
PZZGU2025-08-10 21:12:34.0500.0371-0.021.532025-08-10 21:12:42.1000.2236-1.140.3474.5
REMYGU2025-08-10 21:12:34.6080.0200-0.131.392025-08-10 21:12:42.6760.0400-1.320.2174.9
SURFFR2025-08-10 21:12:35.2000.0442-0.231.192025-08-10 21:12:45.3540.4239-0.360.9279.3
VINDIV2025-08-10 21:12:37.5520.0200-0.041.422025-08-10 21:12:48.2070.0400-0.970.4596.6
SATIGU2025-08-10 21:12:39.0300.0512-0.271.182025-08-10 21:12:50.9400.5279-0.680.71101.3
ISOFR2025-08-10 21:12:40.7190.02000.770.172025-08-10 21:12:52.8600.3608-0.260.95110.1
GBOSGU2025-08-10 21:12:41.3690.02000.460.362025-08-10 21:12:54.7900.0400-0.071.09121.1
MMKCH2025-08-10 21:12:41.9400.0613-0.021.272025-08-10 21:12:55.9810.0400-0.211.09121.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
RSP GUHH1.023.31e-118.799
LSD GUHH1.271.86e-133.712
RRL GUHH0.723.23e-235.4216
BHB GUHH1.117.75e-241.7156
CANI GUHH1.023.46e-258.660
CIRO GUHH1.272.79e-263.340
MRGE IVHH1.002.11e-266.91
PZZ GUHH1.367.71e-274.5176
REMY GUHH0.871.45e-274.96
SATI GUHH1.311.14e-2101.339
ISO FRHH0.926.60e-3110.1180
MMK CHHH1.296.50e-3121.336


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.
(°)
RSP GUHHZ5.6579e-55.6328e-61.3512e-64.2903e-72.5320e-74.6158e-55.1913e-65.1818e-71.2261e-718.799
RSP GUHHN6.1197e-57.5292e-62.0457e-66.0619e-73.3838e-77.8441e-57.9870e-65.9109e-71.5732e-718.799
RSP GUHHE6.2077e-58.2221e-62.6536e-67.0538e-73.6877e-71.1884e-49.6393e-67.4649e-71.7434e-718.799
LSD GUHHZ2.2518e-52.3748e-69.6391e-72.4984e-71.4077e-74.1110e-54.4731e-62.2635e-74.6941e-833.712
LSD GUHHN2.3782e-51.8638e-67.0778e-71.9386e-71.0230e-73.5431e-53.6823e-61.7483e-74.1444e-833.712
LSD GUHHE3.9854e-54.3962e-61.5644e-64.0981e-72.1818e-74.2711e-59.3395e-63.7896e-77.5947e-833.712
RRL GUHHZ4.5364e-64.4283e-71.6323e-74.8119e-82.4721e-87.1426e-68.1925e-74.1686e-89.1820e-935.4216
RRL GUHHN3.3316e-66.5064e-73.1519e-71.2845e-75.2307e-85.5615e-61.7575e-66.8033e-81.4115e-835.4216
RRL GUHHE3.0911e-64.2858e-72.3546e-71.1106e-74.5109e-89.1507e-68.4419e-77.1028e-81.1239e-835.4216
BHB GUHHZ1.6533e-51.4836e-64.6525e-71.4099e-77.0610e-82.7251e-51.5333e-61.2310e-72.6430e-841.7156
BHB GUHHN1.2398e-51.9170e-65.7378e-71.7024e-79.0136e-83.4557e-52.0804e-61.5982e-73.7719e-841.7156
BHB GUHHE1.2845e-51.5762e-64.3418e-71.0295e-76.3417e-82.4476e-51.3467e-61.0318e-72.6460e-841.7156
CANI GUHHZ4.9872e-66.0320e-72.1062e-77.5185e-83.9043e-87.9677e-68.2292e-76.0318e-81.2863e-858.660
CANI GUHHN4.4766e-64.7731e-71.7181e-74.9010e-82.3825e-85.9889e-66.1148e-73.9025e-81.0750e-858.660
CANI GUHHE6.0033e-68.1174e-72.7509e-77.8487e-84.5037e-88.4419e-61.4186e-68.2800e-81.8607e-858.660
OGAG FRHHZ6.9229e-71.2687e-78.3181e-83.0523e-81.5888e-82.8855e-63.6139e-72.2231e-82.9594e-958.9223
OGAG FRHHN6.5164e-71.3641e-79.2311e-83.6354e-81.5612e-81.8504e-64.3721e-71.6750e-82.9664e-958.9223
OGAG FRHHE6.6807e-71.0614e-79.1165e-83.7304e-81.6919e-81.6853e-65.6307e-72.1801e-82.9902e-958.9223
CIRO GUHHZ4.5226e-64.3094e-71.2974e-72.8504e-81.5871e-86.2590e-65.7540e-72.9520e-86.7007e-963.340
CIRO GUHHN4.2742e-65.4246e-71.6691e-73.8750e-82.4707e-86.6750e-66.0006e-74.6092e-89.8471e-963.340
CIRO GUHHE5.1447e-65.0392e-71.9792e-75.0111e-82.9675e-81.0555e-57.7480e-75.4138e-81.2331e-863.340
MRGE IVHHZ3.2348e-62.9437e-79.9115e-84.5531e-81.9540e-82.3476e-64.8184e-73.3514e-86.0857e-966.91
MRGE IVHHN6.5716e-65.6687e-71.4377e-77.6150e-83.5725e-87.0243e-66.2232e-74.6280e-89.4078e-966.91
MRGE IVHHE5.2007e-65.5266e-71.2911e-75.2121e-83.3623e-83.6139e-66.8272e-74.5657e-81.1247e-866.91
PZZ GUHHZ4.5677e-68.0412e-74.9232e-71.2269e-76.2699e-81.3937e-52.3929e-69.8909e-81.8789e-874.5176
PZZ GUHHN7.8368e-61.0166e-67.0822e-71.7089e-77.8747e-81.8975e-52.3477e-61.1081e-72.3018e-874.5176
PZZ GUHHE6.6945e-61.0622e-66.9023e-71.9596e-71.0524e-71.6103e-53.8681e-61.6500e-72.8851e-874.5176
REMY GUHHZ1.0792e-61.5580e-71.0255e-74.2517e-81.9325e-82.0186e-63.9800e-72.9264e-84.2562e-974.96
REMY GUHHN1.2366e-61.6338e-71.0459e-76.1646e-83.2227e-83.5052e-64.3728e-73.8426e-84.4510e-974.96
REMY GUHHE1.3546e-61.9226e-71.3430e-76.4368e-82.0402e-83.1071e-65.1845e-72.6492e-83.8276e-974.96
SATI GUHHZ1.5109e-61.5733e-77.1623e-82.4050e-81.1527e-82.6454e-62.8599e-71.4353e-83.2843e-9101.339
SATI GUHHN2.5915e-62.5920e-78.7589e-82.4254e-81.2468e-84.1807e-63.3979e-72.2937e-85.2105e-9101.339
SATI GUHHE2.3429e-62.8424e-71.0243e-72.6358e-81.4624e-84.5007e-63.8352e-72.4926e-85.5008e-9101.339
ISO FRHHZ4.6636e-79.1546e-85.1827e-82.2084e-89.1229e-91.5220e-61.9666e-71.2828e-82.0598e-9110.1180
ISO FRHHN4.6783e-76.2579e-84.3043e-81.3899e-85.1487e-91.0544e-61.3756e-77.6420e-91.4010e-9110.1180
ISO FRHHE5.7136e-79.2781e-86.1380e-82.0162e-81.0509e-81.5708e-63.5136e-71.6237e-82.3426e-9110.1180
GBOS GUHHZ2.5958e-74.6543e-82.8656e-88.6608e-94.6092e-91.0888e-61.9723e-76.8491e-91.0168e-9121.1149
GBOS GUHHN1.2654e-62.0713e-79.1784e-89.5613e-87.9281e-81.7863e-64.6643e-71.0675e-79.4646e-9121.1149
GBOS GUHHE2.4328e-74.3895e-83.2921e-81.1955e-84.6849e-98.3785e-71.6334e-77.9885e-91.0835e-9121.1149
MMK CHHHZ6.8094e-78.9314e-85.7076e-81.5628e-88.7270e-92.1737e-62.5184e-71.3244e-82.1520e-9121.336
MMK CHHHN7.2367e-71.0746e-76.1169e-82.0763e-81.0909e-81.9851e-62.0819e-71.4678e-83.0344e-9121.336
MMK CHHHE7.2962e-77.9133e-83.3023e-81.1909e-85.2634e-91.2723e-61.2972e-79.3397e-91.7272e-9121.336
*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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