MANUAL Location - Area: Francia , magnitude (ML): 1.4
2025-09-29 11:20:51 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-09-29 13:11:09

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Earthquake info - Manual location
Event - ID :250929111930
Magnitude (ML) :1.4 +/- 0.2
Origin Time :2025-09-29 11:20:51.87 (UTC)
Location : Latitude: 45.848 N, Longitude: 6.739 E
Area :Francia
Depth (km) :8.02
Distances (km) : 19.1 --- Courmayeur
21.3 --- Pre -Saint-Didier
21.6 --- La Thuile
25.1 --- Morgex
28.1 --- La Salle
34.2 --- Saint-Rhemy-En-Bosses
34.7 --- Avise
34.8 --- Valgrisenche
36.1 --- Saint-Nicolas
36.7 --- Saint-Oyen
36.8 --- Arvier
38.0 --- Etroubles
38.6 --- Rhemes-Saint-Georges
38.8 --- Introd
39.7 --- Villeneuve
40.9 --- Saint-Pierre
41.4 --- Allein
42.3 --- Aymavilles
42.6 --- Rhemes-Notre-Dame
42.7 --- Sarre

Quality location estimate: Erh: 1.7 km, Erz: 1.2 km, Nf: 34, Gap: 190 °, Rms: 0.25


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.
COURMFR2025-09-29 11:20:56.3300.01300.041.772025-09-29 11:20:59.2230.0661-0.011.7520.0
RSLFR2025-09-29 11:20:54.9800.0110-1.340.132025-09-29 11:20:57.0190.1243-2.260.0021.4
REMYGU2025-09-29 11:20:58.9500.02010.150.962025-09-29 11:21:03.9800.11030.410.2634.0
LSDGU2025-09-29 11:21:04.2870.12052.680.002025-09-29 11:21:08.1400.1685-0.061.2953.9
DIXCH2025-09-29 11:21:02.9550.0321-0.221.172025-09-29 11:21:10.4850.1845-0.510.7958.4
CIROGU2025-09-29 11:21:04.6300.0391-0.490.702025-09-29 11:21:13.3400.2216-0.820.5170.7
SENINCH2025-09-29 11:21:04.7800.0371-0.730.512025-09-29 11:21:13.8200.2226-1.270.2372.4
LATOIV2025-09-29 11:21:06.4010.0200-0.061.552025-09-29 11:21:16.1360.0400-0.091.2683.2
SATIGU2025-09-29 11:21:07.3340.0200-0.261.122025-09-29 11:21:18.5600.2747-0.480.8488.1
RSPGU2025-09-29 11:21:07.2800.0200-0.061.522025-09-29 11:21:17.4840.3147-0.360.9288.4
EMBDCH2025-09-29 11:21:08.8140.02000.001.452025-09-29 11:21:19.7050.2967-0.860.5294.2
MMKCH2025-09-29 11:21:09.2310.02000.141.102025-09-29 11:21:21.0050.3057-0.210.9797.9
LAUCHCH2025-09-29 11:21:10.0850.0532-0.131.362025-09-29 11:21:22.8270.1002-0.211.09102.0
RRLGU2025-09-29 11:21:09.1210.0200-0.870.422025-09-29 11:21:21.6450.0400-0.770.55103.6
SIMPLCH2025-09-29 11:21:10.9250.0200-0.350.972025-09-29 11:21:24.5750.4549-0.230.82108.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
COURMFRHH1.559.34e-120.0100
REMY GUHH1.181.50e-134.092
LSD GUHH1.328.13e-253.9144
DIX CHHH1.781.99e-158.463
CIRO GUHH1.181.80e-270.7113
SENINCHHH1.516.77e-272.437
SATI GUHH1.391.88e-288.188
RSP GUHH1.343.12e-288.4152
EMBD CHHH1.151.63e-294.264
MMK CHHH1.381.35e-297.976
LAUCHCHHH1.644.14e-2102.051
RRL GUHH1.211.00e-2103.6178
SIMPLCHHH1.161.19e-2108.466


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.
(°)
COURMFRHHZ1.0015e-41.3782e-54.4593e-61.1942e-67.7662e-72.5693e-41.3674e-51.4399e-63.1412e-720.0100
COURMFRHHN1.2709e-41.8297e-57.8733e-62.3664e-61.1304e-62.8267e-43.7923e-51.8236e-63.9984e-720.0100
COURMFRHHE1.3714e-41.9160e-56.4732e-61.6911e-69.3121e-72.9698e-42.1156e-51.6322e-64.0881e-720.0100
REMY GUHHZ9.2528e-61.7641e-67.9026e-72.0762e-71.2914e-72.0616e-53.5737e-62.0451e-73.6483e-834.092
REMY GUHHN1.1946e-51.6822e-68.3796e-72.9558e-71.4857e-72.5399e-53.8491e-62.3011e-73.8039e-834.092
REMY GUHHE1.8011e-52.5492e-61.1139e-63.1972e-71.7591e-73.4015e-55.1544e-62.9519e-75.4433e-834.092
LSD GUHHZ8.3234e-61.2319e-64.5686e-71.4939e-77.9354e-81.6105e-52.1443e-61.2476e-72.6574e-853.9144
LSD GUHHN1.1012e-51.3563e-65.1572e-71.9048e-78.8952e-81.7627e-52.0981e-61.4763e-73.0567e-853.9144
LSD GUHHE1.3410e-51.5438e-66.2095e-72.1100e-71.1281e-71.9051e-52.9244e-61.8936e-73.9179e-853.9144
DIX CHHHZ1.6183e-52.3861e-61.2722e-63.2321e-71.8547e-74.6759e-58.4041e-62.7222e-75.5239e-858.463
DIX CHHHN1.3746e-52.8310e-61.4267e-65.8455e-72.8906e-72.2696e-56.5863e-64.3322e-76.6612e-858.463
DIX CHHHE1.3732e-52.2317e-61.4149e-64.7466e-72.3307e-72.3118e-59.4304e-63.4029e-75.3735e-858.463
CIRO GUHHZ1.9269e-62.0284e-79.0565e-84.4184e-81.9301e-83.2489e-63.8118e-72.6089e-84.3870e-970.7113
CIRO GUHHN2.2675e-62.9776e-71.4576e-74.9360e-82.3682e-85.0064e-65.9897e-73.4825e-86.5070e-970.7113
CIRO GUHHE1.6209e-62.2097e-79.0585e-83.3967e-81.5363e-83.8416e-64.1778e-72.4276e-83.8603e-970.7113
SENINCHHHZ4.6181e-68.7993e-75.4147e-71.6878e-77.0123e-81.2901e-52.1352e-61.0970e-71.9353e-872.437
SENINCHHHN3.6681e-67.6063e-74.6365e-71.6630e-76.4826e-81.0287e-51.9487e-69.2234e-81.7632e-872.437
SENINCHHHE3.6658e-67.3350e-76.0162e-71.8828e-78.1695e-89.7079e-62.6691e-61.1791e-72.1122e-872.437
SATI GUHHZ1.3128e-62.0344e-79.3245e-82.5695e-81.3415e-83.2414e-63.3874e-72.1586e-84.1027e-988.188
SATI GUHHN3.2167e-64.2706e-71.2307e-73.5643e-81.9545e-86.1403e-65.5488e-73.5700e-88.7292e-988.188
SATI GUHHE2.9500e-63.9207e-71.4967e-73.5644e-82.4503e-85.9274e-64.6409e-74.2341e-88.3715e-988.188
RSP GUHHZ1.7734e-62.7659e-71.6335e-75.8753e-82.3237e-84.8052e-65.3078e-72.9892e-86.4578e-988.4152
RSP GUHHN2.2358e-63.7681e-72.8503e-79.1967e-83.9431e-84.5501e-61.1257e-65.5175e-89.3731e-988.4152
RSP GUHHE2.9889e-64.8116e-73.1783e-71.2636e-75.1771e-88.2482e-61.5974e-67.1169e-81.0898e-888.4152
EMBD CHHHZ9.8256e-72.0427e-71.8710e-71.1509e-75.0626e-82.2097e-69.0899e-76.8984e-88.4153e-994.264
EMBD CHHHN1.0543e-62.1209e-71.5536e-78.2103e-82.7005e-82.9054e-67.1755e-73.3972e-85.5273e-994.264
EMBD CHHHE7.8282e-71.4790e-71.3260e-77.1717e-82.8215e-83.0193e-65.1507e-73.9487e-84.8886e-994.264
MMK CHHHZ1.0917e-62.0085e-71.3317e-74.4006e-82.0401e-83.0918e-69.1627e-72.8931e-84.6665e-997.976
MMK CHHHN1.3285e-61.7449e-71.4682e-75.8791e-82.3121e-84.2193e-65.7870e-73.3942e-84.9446e-997.976
MMK CHHHE9.0472e-71.0668e-78.4797e-83.0845e-81.3494e-81.5654e-65.8143e-71.7255e-82.9180e-997.976
LAUCHCHHHZ1.1342e-61.7974e-71.3046e-77.7012e-82.7302e-85.0457e-67.4943e-73.8716e-84.6866e-9102.051
LAUCHCHHHN1.7830e-63.6484e-72.3700e-71.1636e-75.9450e-86.8152e-61.3520e-68.5849e-89.0275e-9102.051
LAUCHCHHHE2.3043e-65.4108e-73.5742e-71.0572e-75.7678e-81.4023e-51.6119e-68.5291e-81.4391e-8102.051
RRL GUHHZ1.1517e-61.9548e-79.5271e-83.1782e-81.5282e-82.8094e-63.0075e-72.5165e-84.5788e-9103.6178
RRL GUHHN5.3982e-71.2961e-71.0887e-74.6554e-82.1575e-81.6518e-64.8157e-72.7406e-83.5886e-9103.6178
RRL GUHHE4.2356e-71.2754e-79.8053e-84.2771e-82.0645e-81.6479e-67.5751e-72.8907e-83.1370e-9103.6178
SIMPLCHHHZ9.3060e-71.6380e-71.1849e-74.7769e-82.0735e-82.3236e-68.7852e-73.0119e-83.7861e-9108.466
SIMPLCHHHN6.5116e-71.1940e-78.7828e-83.8610e-81.5250e-81.9763e-64.6527e-71.9847e-83.0806e-9108.466
SIMPLCHHHE6.5226e-71.3737e-78.2246e-83.3625e-81.8502e-82.2849e-64.1611e-72.7296e-83.6345e-9108.466
*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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