MANUAL Location - Area: Alpi Graie , magnitude (ML): 1.3
2025-07-11 07:39:11 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-07-11 10:29:39

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Earthquake info - Manual location
Event - ID :250711073734
Magnitude (ML) :1.3 +/- 0.2
Origin Time :2025-07-11 07:39:11.867 (UTC)
Location : Latitude: 45.292 N, Longitude: 7.114 E
Area :Alpi Graie
Depth (km) :5.49
Distances (km) : 8.2 --- Balme
10.6 --- Usseglio
13.6 --- Novalesa
14.0 --- Moncenisio
15.2 --- Ala di Stura
15.7 --- Lemie
15.7 --- Groscavallo
16.4 --- Chianocco
16.9 --- Venaus
17.0 --- Mompantero
17.2 --- Bussoleno
17.7 --- Bruzolo
17.8 --- Susa
18.3 --- Ceresole Reale
18.7 --- Giaglione
18.8 --- San Giorio di Susa
19.2 --- Meana di Susa
19.2 --- San Didero
19.2 --- Mattie
19.6 --- Chialamberto

Quality location estimate: Erh: 0.7 km, Erz: 0.9 km, Nf: 36, Gap: 87 °, Rms: 0.40


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 07:39:16.6000.00900.571.302025-07-11 07:39:18.8100.0581-0.001.4520.2
RSPGU2025-07-11 07:39:16.4700.00900.350.742025-07-11 07:39:18.9800.0922-0.021.3521.1
LATOIV2025-07-11 07:39:17.3980.0200-0.031.482025-07-11 07:39:21.2450.04000.081.3327.8
OGMOFR2025-07-11 07:39:18.7760.06020.111.252025-07-11 07:39:22.8940.3778-0.350.6935.4
CANIGU2025-07-11 07:39:21.0600.02000.041.432025-07-11 07:39:27.7750.04000.631.0548.1
RRLGU2025-07-11 07:39:21.0500.0311-0.021.412025-07-11 07:39:26.7700.1464-0.590.3549.1
CIROGU2025-07-11 07:39:21.6900.0221-0.150.972025-07-11 07:39:27.4500.1494-0.980.1550.0
BHBGU2025-07-11 07:39:21.9800.02610.700.962025-07-11 07:39:27.5300.1574-0.330.6752.5
MRGEIV2025-07-11 07:39:22.4500.02710.551.232025-07-11 07:39:28.5840.3037-0.021.0153.7
REMYGU2025-07-11 07:39:23.8500.03010.601.182025-07-11 07:39:30.9490.18350.021.1161.2
OGAGFR2025-07-11 07:39:25.4700.04320.541.172025-07-11 07:39:34.0300.2176-0.061.0172.3
OROIV2025-07-11 07:39:26.5340.02000.641.062025-07-11 07:39:35.1600.2937-0.160.8877.5
PZZGU2025-07-11 07:39:27.4700.04420.581.112025-07-11 07:39:37.7460.04000.241.1587.6
DIXCH2025-07-11 07:39:28.2400.04420.121.212025-07-11 07:39:38.6100.1002-0.730.3190.8
SURFFR2025-07-11 07:39:29.4600.04820.890.422025-07-11 07:39:40.9530.04000.461.0593.4
MMKCH2025-07-11 07:39:31.1950.05420.680.922025-07-11 07:39:42.5870.3567-0.610.48107.5
ENRGU2025-07-11 07:39:31.7300.06030.091.192025-07-11 07:39:45.2300.0400-0.420.62120.7


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
LSD GUHH1.406.60e-120.25
RSP GUHH1.073.01e-121.1143
RRL GUHH1.397.84e-249.1212
CIRO GUHH1.274.53e-250.046
BHB GUHH1.216.14e-252.5167
MRGE IVHH0.983.20e-253.7356
REMY GUHH1.093.68e-261.23
OGAG FRHH1.183.15e-272.3219
ORO IVEH1.709.09e-277.561
PZZ GUHH1.446.35e-287.6180
DIX CHHH1.514.03e-290.814
MMK CHHH1.461.31e-2107.538
ENR GUHH1.382.07e-2120.7168


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 GUHHZ7.1032e-58.0257e-61.6786e-65.2519e-72.8512e-76.6867e-56.6954e-66.4179e-71.6577e-720.25
LSD GUHHN7.2595e-57.3024e-62.1148e-66.4704e-73.3063e-76.9312e-51.3815e-55.7358e-71.3037e-720.25
LSD GUHHE6.6796e-51.0994e-54.7620e-61.2756e-67.9673e-71.6703e-41.8705e-51.3571e-62.6455e-720.25
RSP GUHHZ3.0876e-55.1774e-61.8508e-64.9788e-74.2230e-74.8447e-55.8605e-67.0512e-79.7571e-821.1143
RSP GUHHN2.9291e-54.8165e-62.6762e-66.4627e-74.2921e-75.4585e-59.3914e-67.5621e-71.2334e-721.1143
RSP GUHHE3.6901e-55.8868e-62.5411e-66.7911e-73.7807e-79.0642e-59.7555e-66.3928e-71.4035e-721.1143
RRL GUHHZ2.7395e-63.8523e-72.9968e-71.4376e-76.0855e-87.1343e-61.7776e-68.1203e-81.2327e-849.1212
RRL GUHHN3.6836e-66.7848e-76.1856e-73.0940e-71.5044e-77.9860e-63.2046e-61.5674e-71.8669e-849.1212
RRL GUHHE3.3995e-67.2807e-75.8077e-72.7562e-71.0862e-71.0092e-52.6934e-61.5134e-71.9155e-849.1212
CIRO GUHHZ8.5177e-69.8428e-74.5648e-71.7494e-79.2940e-81.8836e-52.6992e-61.4050e-72.5490e-850.046
CIRO GUHHN7.6384e-67.7722e-72.8425e-71.5450e-76.2119e-81.1088e-51.4579e-61.0118e-71.6256e-850.046
CIRO GUHHE7.2335e-67.9119e-73.1710e-78.7013e-83.9430e-81.4308e-51.4386e-66.8844e-81.3626e-850.046
BHB GUHHZ1.2058e-51.6066e-66.3431e-71.9916e-78.1355e-82.6541e-52.3939e-61.2393e-72.4722e-852.5167
BHB GUHHN6.7298e-61.1664e-66.1420e-71.3328e-76.4174e-81.6510e-51.8965e-61.1771e-72.4993e-852.5167
BHB GUHHE5.9610e-68.4943e-74.4206e-71.4221e-76.4706e-81.1676e-51.8967e-61.0495e-72.1042e-852.5167
MRGE IVHHZ5.6373e-65.6626e-72.4115e-79.6810e-83.7689e-85.6679e-69.2758e-76.3471e-81.2473e-853.7356
MRGE IVHHN8.9730e-67.9921e-72.7945e-71.1575e-75.0727e-81.2701e-57.4762e-78.1245e-81.8433e-853.7356
MRGE IVHHE9.5139e-67.0708e-72.6357e-71.4184e-75.7666e-86.5365e-61.2068e-68.8686e-81.2763e-853.7356
REMY GUHHZ2.7102e-63.1399e-72.4477e-71.4679e-75.4966e-86.7870e-61.1745e-66.6779e-88.9055e-961.23
REMY GUHHN2.8664e-64.5637e-73.1431e-72.3346e-71.2590e-77.4754e-61.6090e-61.3899e-71.3595e-861.23
REMY GUHHE2.9584e-64.5187e-73.3713e-72.1458e-78.7167e-85.2974e-61.5932e-61.1517e-71.1800e-861.23
OGAG FRHHZ1.4706e-64.0447e-73.6370e-71.5369e-77.9297e-85.0503e-62.9233e-69.5150e-81.1468e-872.3219
OGAG FRHHN1.3277e-63.1386e-72.7857e-71.0582e-75.8243e-83.9095e-61.8406e-67.5318e-87.9109e-972.3219
OGAG FRHHE1.1098e-63.3361e-73.2347e-71.4591e-77.7804e-83.1865e-62.1884e-69.7569e-88.9656e-972.3219
ORO IVEHZ5.8790e-69.7501e-75.5895e-71.5708e-76.6662e-81.7812e-52.3403e-69.9627e-82.2213e-877.561
ORO IVEHN8.1549e-61.2968e-68.2600e-73.1490e-71.3218e-72.3314e-54.1412e-62.1893e-73.1225e-877.561
ORO IVEHE9.8985e-61.5174e-68.1367e-72.6290e-71.1804e-71.7763e-54.5797e-61.6360e-73.4442e-877.561
PZZ GUHHZ3.6729e-68.1765e-76.1484e-71.5383e-77.2462e-89.2455e-63.2732e-61.0931e-71.7846e-887.6180
PZZ GUHHN4.2875e-69.9836e-77.0172e-71.8538e-78.3775e-81.4344e-53.4783e-61.2219e-72.1328e-887.6180
PZZ GUHHE4.0364e-69.3931e-77.5880e-71.5603e-77.6241e-81.3883e-52.6680e-61.1954e-72.2562e-887.6180
DIX CHHHZ3.4998e-64.4782e-73.2333e-79.1349e-84.4988e-89.1262e-61.6693e-67.2819e-81.1838e-890.814
DIX CHHHN4.2125e-65.7813e-74.1764e-71.4855e-76.2757e-89.0976e-61.6062e-69.1170e-81.4306e-890.814
DIX CHHHE3.7485e-65.7806e-74.3744e-71.2933e-75.8657e-89.2292e-62.1321e-68.3120e-81.4528e-890.814
MMK CHHHZ1.2318e-61.5592e-71.2213e-75.0467e-82.1098e-84.2235e-65.6764e-72.4794e-83.8897e-9107.538
MMK CHHHN1.4602e-62.0502e-71.3277e-74.3386e-82.1597e-83.9913e-66.4303e-73.2062e-85.3112e-9107.538
MMK CHHHE1.3950e-61.9266e-79.5593e-83.9763e-81.6587e-82.9741e-63.8108e-72.0908e-84.4307e-9107.538
ENR GUHHZ1.4745e-61.7461e-71.1601e-73.6470e-81.5830e-83.9115e-64.3884e-72.4690e-84.3256e-9120.7168
ENR GUHHN3.0730e-63.3848e-71.6838e-77.8650e-82.6158e-85.9076e-66.6447e-73.4066e-86.8358e-9120.7168
ENR GUHHE3.2869e-64.2356e-72.1379e-77.9785e-82.8583e-86.5655e-67.7444e-74.1457e-88.4829e-9120.7168
*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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