MANUAL Location - Area: Alpi Graie , magnitude (ML): 1.3
2025-07-11 05:23:56 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-07-11 10:12:49

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Earthquake info - Manual location
Event - ID :250711052242
Magnitude (ML) :1.3 +/- 0.2
Origin Time :2025-07-11 05:23:56.317 (UTC)
Location : Latitude: 45.297 N, Longitude: 7.111 E
Area :Alpi Graie
Depth (km) :6.01
Distances (km) : 8.3 --- Balme
11.0 --- Usseglio
13.9 --- Novalesa
14.2 --- Moncenisio
15.3 --- Ala di Stura
15.6 --- Groscavallo
16.1 --- Lemie
16.9 --- Chianocco
17.2 --- Venaus
17.4 --- Mompantero
17.7 --- Bussoleno
18.0 --- Ceresole Reale
18.2 --- Susa
18.3 --- Bruzolo
19.0 --- Giaglione
19.4 --- San Giorio di Susa
19.6 --- Chialamberto
19.6 --- Meana di Susa
19.7 --- San Didero
19.7 --- Mattie

Quality location estimate: Erh: 0.8 km, Erz: 1.8 km, Nf: 34, Gap: 65 °, Rms: 0.31


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.
LSDGU2025-07-11 05:24:00.7800.00800.361.082025-07-11 05:24:03.1400.0591-0.031.3120.0
RSPGU2025-07-11 05:24:00.6800.01100.021.202025-07-11 05:24:03.2100.0611-0.401.1521.7
LATOIV2025-07-11 05:24:01.8810.0200-0.001.282025-07-11 05:24:05.4270.0400-0.231.4028.1
OGMOFR2025-07-11 05:24:02.9500.0562-0.161.372025-07-11 05:24:07.3340.0400-0.361.2435.4
RRLGU2025-07-11 05:24:05.3400.0261-0.201.402025-07-11 05:24:10.9840.1514-0.880.3349.4
CIROGU2025-07-11 05:24:05.8900.0241-0.341.302025-07-11 05:24:11.6720.1615-1.110.2149.9
BHBGU2025-07-11 05:24:06.1800.02810.410.992025-07-11 05:24:11.7700.2266-0.610.7353.1
MRGEIV2025-07-11 05:24:06.6500.02510.410.982025-07-11 05:24:12.9910.31270.111.1053.3
RSLFR2025-07-11 05:24:07.3020.02000.420.952025-07-11 05:24:13.6730.0400-0.271.3258.0
REMYGU2025-07-11 05:24:07.2420.0200-0.351.262025-07-11 05:24:15.0600.1965-0.141.2660.8
OGAGFR2025-07-11 05:24:09.7000.03710.310.982025-07-11 05:24:18.1800.2186-0.381.0572.6
OROIV2025-07-11 05:24:10.5080.02000.211.002025-07-11 05:24:19.8600.30070.151.0577.5
SATIGU2025-07-11 05:24:11.6850.0200-0.590.672025-07-11 05:24:22.5340.0400-0.470.9687.7
PZZGU2025-07-11 05:24:11.9600.04520.590.502025-07-11 05:24:22.1810.04000.151.1288.1
DIXCH2025-07-11 05:24:12.4550.0442-0.011.272025-07-11 05:24:22.1050.5769-1.520.2090.4
SURFFR2025-07-11 05:24:13.4870.02000.440.842025-07-11 05:24:23.7020.0400-1.300.1593.9
MMKCH2025-07-11 05:24:14.7960.0200-0.081.332025-07-11 05:24:27.1120.0400-0.401.02107.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
LSD GUHH1.396.43e-120.06
RSP GUHH1.012.48e-121.7144
RRL GUHH1.326.55e-249.4211
CIRO GUHH1.234.19e-249.946
BHB GUHH1.114.79e-253.1167
MRGE IVHH0.912.81e-253.3356
REMY GUHH1.083.70e-260.83
OGAG FRHH1.142.89e-272.6219
ORO IVEH1.617.34e-277.561
SATI GUHH1.482.35e-287.742
PZZ GUHH1.446.23e-288.1180
DIX CHHH1.473.72e-290.415
MMK CHHH1.451.26e-2107.338


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.
(°)
LSD GUHHZ6.5734e-57.4047e-61.5723e-64.7315e-72.6724e-76.2097e-56.3063e-65.9656e-71.4681e-720.06
LSD GUHHN6.6251e-56.3069e-62.0539e-66.3104e-73.2129e-76.3291e-51.3767e-55.2718e-71.2245e-720.06
LSD GUHHE6.3073e-51.0176e-54.5688e-61.2226e-67.6605e-71.5900e-41.8162e-51.3252e-62.4582e-720.06
RSP GUHHZ2.0991e-53.6971e-61.4179e-63.5425e-72.1197e-73.3298e-54.4593e-63.7341e-76.9870e-821.7144
RSP GUHHN1.8450e-53.7569e-62.2094e-65.4814e-73.6761e-73.9124e-58.0344e-66.0879e-79.7102e-821.7144
RSP GUHHE2.3625e-53.8321e-62.0446e-66.5877e-74.3925e-76.8287e-51.0182e-55.3363e-79.6785e-821.7144
RRL GUHHZ2.0672e-63.0848e-72.6656e-71.3623e-75.8113e-85.0785e-61.7372e-67.6355e-81.0255e-849.4211
RRL GUHHN2.3327e-66.0647e-75.4544e-72.8235e-71.3854e-77.3202e-63.0148e-61.4383e-71.5869e-849.4211
RRL GUHHE2.4526e-66.0131e-75.2376e-72.5626e-79.9731e-87.9968e-62.4567e-61.4154e-71.7587e-849.4211
CIRO GUHHZ6.2886e-68.9602e-74.6547e-71.6353e-78.4594e-81.7860e-52.8334e-61.2238e-72.3474e-849.946
CIRO GUHHN4.7368e-65.3500e-72.8335e-71.5068e-75.7815e-88.7409e-61.4729e-68.8076e-81.3137e-849.946
CIRO GUHHE5.0859e-66.0738e-72.9452e-77.8714e-83.4465e-81.4108e-51.2942e-65.9155e-81.3492e-849.946
BHB GUHHZ6.7890e-61.0141e-65.3632e-71.7674e-77.9815e-81.9150e-52.1602e-61.3074e-71.6326e-853.1167
BHB GUHHN4.6892e-68.5110e-75.1434e-71.2266e-75.8090e-81.0961e-51.9277e-69.0330e-81.9039e-853.1167
BHB GUHHE3.3471e-67.0651e-73.6831e-71.2279e-75.5592e-81.0330e-51.6902e-67.8916e-81.7804e-853.1167
MRGE IVHHZ4.0245e-64.8905e-72.2941e-79.3828e-83.4585e-85.1180e-69.4189e-75.8044e-81.1181e-853.3356
MRGE IVHHN7.9255e-66.9913e-72.7187e-71.1890e-74.4050e-81.1181e-58.2503e-76.9748e-81.4713e-853.3356
MRGE IVHHE6.1573e-65.0752e-72.3990e-71.2382e-75.1427e-85.8702e-69.6747e-78.1293e-81.1575e-853.3356
REMY GUHHZ3.5030e-63.5911e-72.3929e-71.4737e-75.1373e-86.4012e-61.1222e-66.6296e-88.2693e-960.83
REMY GUHHN2.9586e-64.0781e-73.0134e-72.1439e-71.3820e-77.6821e-61.4011e-61.4252e-71.3449e-860.83
REMY GUHHE2.9828e-64.5571e-73.0990e-71.6526e-75.5203e-85.4495e-61.5580e-67.4912e-81.2525e-860.83
OGAG FRHHZ1.1396e-63.4246e-73.3576e-71.4956e-77.4902e-83.9710e-62.8912e-68.7071e-89.2237e-972.6219
OGAG FRHHN9.1989e-72.6835e-72.4200e-71.0633e-76.0794e-82.5655e-61.6292e-67.9070e-87.2730e-972.6219
OGAG FRHHE9.3463e-72.7025e-72.9923e-71.3717e-77.8054e-82.0796e-62.1984e-69.1706e-88.8848e-972.6219
ORO IVEHZ4.6671e-68.3566e-75.3558e-71.5877e-77.1570e-81.6150e-52.2778e-61.0108e-71.8930e-877.561
ORO IVEHN7.1044e-61.0799e-67.3783e-72.7927e-71.1199e-71.7380e-54.0942e-61.6836e-72.6159e-877.561
ORO IVEHE6.7674e-61.0833e-66.7991e-72.3191e-79.7350e-81.5914e-53.6213e-61.2777e-72.4527e-877.561
SATI GUHHZ1.8564e-62.3202e-71.4642e-75.3040e-82.2215e-85.4901e-67.3179e-73.6840e-85.7369e-987.742
SATI GUHHN3.1746e-63.7839e-71.3863e-75.6901e-82.8991e-87.2192e-64.8338e-74.3246e-87.9291e-987.742
SATI GUHHE3.4680e-65.1536e-72.2524e-78.0132e-83.2070e-81.1147e-59.1575e-74.5604e-81.0829e-887.742
PZZ GUHHZ2.7258e-66.5172e-75.8560e-71.5661e-77.6510e-86.5615e-62.9993e-61.0398e-71.6437e-888.1180
PZZ GUHHN3.7333e-68.2533e-76.3350e-71.7382e-78.2569e-81.2547e-53.1874e-61.1448e-71.8336e-888.1180
PZZ GUHHE3.3592e-68.4476e-76.9957e-71.4777e-77.3262e-81.0710e-52.5855e-61.1739e-72.0052e-888.1180
DIX CHHHZ2.7022e-63.9215e-73.3456e-71.4167e-76.6702e-88.6044e-61.5952e-68.7205e-81.3444e-890.415
DIX CHHHN3.4279e-64.7782e-73.8413e-71.5015e-75.6849e-87.0744e-61.6655e-67.9404e-81.3132e-890.415
DIX CHHHE3.2345e-65.2039e-74.1887e-71.2470e-75.6787e-89.3928e-62.1251e-68.5187e-81.3765e-890.415
MMK CHHHZ8.4139e-71.3829e-71.1207e-74.4823e-81.7733e-83.5566e-66.0425e-72.1883e-83.7842e-9107.338
MMK CHHHN1.2286e-62.0146e-71.2364e-74.1392e-82.1803e-84.2457e-64.8352e-73.3881e-84.9683e-9107.338
MMK CHHHE9.0690e-71.5165e-78.6054e-83.2778e-81.3982e-82.7996e-63.6834e-71.8873e-83.2033e-9107.338
*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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