MANUAL Location - Area: Alpi Pennine , magnitude (ML): 1.0
2025-11-25 18:44:49 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-11-26 10:21:37

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Earthquake info - Manual location
Event - ID :251125184340
Magnitude (ML) :1.0 +/- 0.2
Origin Time :2025-11-25 18:44:49.334 (UTC)
Location : Latitude: 45.897 N, Longitude: 6.920 E
Area :Alpi Pennine
Depth (km) :4.93
Distances (km) : 12.3 --- Courmayeur
15.6 --- Pre -Saint-Didier
17.9 --- Morgex
20.0 --- La Thuile
20.4 --- La Salle
21.7 --- Saint-Rhemy-En-Bosses
23.9 --- Saint-Oyen
25.4 --- Etroubles
26.9 --- Avise
27.6 --- Saint-Nicolas
28.7 --- Arvier
28.9 --- Allein
30.6 --- Ollomont
30.8 --- Introd
31.0 --- Villeneuve
31.2 --- Doues
31.6 --- Valgrisenche
31.7 --- Saint-Pierre
31.8 --- Gignod
32.4 --- Valpelline

Quality location estimate: Erh: 0.8 km, Erz: 1.1 km, Nf: 30, Gap: 98 °, Rms: 0.35


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.
BLANCGU2025-11-25 18:44:51.3800.0040-0.391.312025-11-25 18:44:52.1000.1053-1.340.3410.2
MRGEIV2025-11-25 18:44:53.5400.0100-0.011.592025-11-25 18:44:56.3100.0842-0.031.3819.1
REMYGU2025-11-25 18:44:54.1000.01100.041.462025-11-25 18:44:56.7400.3227-0.500.8720.8
RSLFR2025-11-25 18:44:55.5700.0160-0.341.402025-11-25 18:44:59.2300.0952-1.060.3332.9
DIXCH2025-11-25 18:44:57.8160.0200-0.361.332025-11-25 18:45:03.1330.3277-1.050.4243.2
LSDGU2025-11-25 18:44:59.0000.02710.031.342025-11-25 18:45:05.0800.2346-0.420.9951.9
SENINCH2025-11-25 18:45:00.5810.0200-0.391.212025-11-25 18:45:07.8620.0400-1.190.3759.9
VANNICH2025-11-25 18:45:01.1150.0200-0.091.342025-11-25 18:45:09.3060.0400-0.041.2163.1
SATIGU2025-11-25 18:45:01.4400.0200-1.400.302025-11-25 18:45:11.5620.2607-1.090.4073.9
CANIGU2025-11-25 18:45:03.3160.02000.011.242025-11-25 18:45:12.7490.04000.080.9779.1
EMBDCH2025-11-25 18:45:03.5020.0200-0.321.252025-11-25 18:45:12.7550.3187-1.050.4379.1
MMKCH2025-11-25 18:45:04.4600.04220.310.342025-11-25 18:45:14.4000.2557-0.101.0082.9
LAUCHCH2025-11-25 18:45:05.1750.0442-0.141.322025-11-25 18:45:16.2440.0400-0.151.1687.6
SIMPLCH2025-11-25 18:45:05.8180.0200-0.490.902025-11-25 18:45:17.5430.0400-0.510.8693.2


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BLANCGUHH1.432.37e+010.2169
MRGE IVHH0.901.96e-119.1142
REMY GUHH0.932.11e-120.8110
DIX CHHH1.261.11e-143.261
LSD GUHH0.802.66e-251.9161
SENINCHHH1.174.63e-259.929
VANNICHHH0.771.67e-263.156
SATI GUHH1.171.70e-273.992
CANI GUHH0.961.58e-279.1130
EMBD CHHH0.801.08e-279.163
MMK CHHH1.291.62e-282.978
LAUCHCHHH1.182.06e-287.648
SIMPLCHHH0.766.74e-393.265


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.
(°)
BLANCGUHHZ1.8158e-42.1092e-58.0482e-63.0952e-61.4926e-61.9397e-44.6292e-51.8520e-62.8422e-710.2169
BLANCGUHHN2.5081e-43.6449e-59.8615e-64.9608e-62.7109e-62.7311e-43.4616e-54.6359e-64.8367e-710.2169
BLANCGUHHE1.0216e-42.2480e-52.0993e-51.1085e-56.0734e-64.1827e-41.3326e-48.1603e-66.4948e-710.2169
MRGE IVHHZ1.6329e-51.7220e-68.6488e-73.4474e-71.5461e-71.4420e-54.7480e-62.1108e-73.5974e-819.1142
MRGE IVHHN1.9526e-52.2754e-61.2126e-65.3932e-72.3294e-72.8183e-56.8789e-63.4469e-75.6696e-819.1142
MRGE IVHHE2.0475e-52.6082e-61.6357e-67.4717e-73.0778e-74.5910e-59.2811e-64.5515e-76.0175e-819.1142
REMY GUHHZ1.1608e-51.5096e-61.0216e-65.3937e-71.9337e-72.6596e-54.3560e-62.6936e-73.0774e-820.8110
REMY GUHHN1.7985e-53.2797e-61.7605e-67.7865e-73.5451e-75.5060e-56.8436e-65.2698e-78.2288e-820.8110
REMY GUHHE1.4798e-52.3031e-61.4234e-67.4101e-72.8944e-74.1813e-56.5599e-63.4712e-75.7404e-820.8110
DIX CHHHZ5.9005e-61.2712e-69.1788e-73.5099e-71.6020e-71.7680e-56.2728e-62.2724e-73.5665e-843.261
DIX CHHHN6.2274e-61.0972e-68.1981e-72.5050e-71.2419e-71.9220e-54.6472e-61.6423e-72.5479e-843.261
DIX CHHHE7.3395e-61.1354e-69.7938e-73.5183e-71.5968e-71.9787e-55.9451e-62.3867e-73.4321e-843.261
LSD GUHHZ1.6020e-62.0369e-71.4921e-76.6767e-82.2546e-82.9662e-67.1851e-73.2865e-84.8941e-951.9161
LSD GUHHN2.9607e-62.7565e-71.5802e-75.8661e-82.7559e-84.6430e-69.8714e-73.8001e-86.8217e-951.9161
LSD GUHHE1.8990e-64.0657e-72.3903e-78.1596e-83.8667e-85.6715e-61.0750e-65.1454e-88.7069e-951.9161
SENINCHHHZ3.0175e-66.9350e-74.4424e-71.4244e-75.8567e-87.6022e-61.9711e-68.0240e-81.5782e-859.929
SENINCHHHN2.2098e-64.4298e-73.7141e-71.4624e-76.3366e-86.8776e-62.1305e-67.7422e-81.1381e-859.929
SENINCHHHE3.2491e-66.6750e-74.9350e-71.3620e-77.5915e-89.6868e-62.2169e-61.0423e-71.7056e-859.929
VANNICHHHZ5.2951e-71.2303e-71.0543e-74.3674e-81.9404e-81.8294e-66.2138e-72.9096e-82.7258e-963.156
VANNICHHHN6.4408e-71.7045e-71.4393e-77.8664e-82.5123e-81.2802e-66.3746e-73.5031e-84.1923e-963.156
VANNICHHHE6.8436e-71.6587e-71.2672e-76.8728e-82.5605e-81.6875e-67.3040e-73.2222e-84.0162e-963.156
SATI GUHHZ1.0225e-61.9206e-79.3573e-83.4024e-81.5384e-84.0659e-63.9790e-72.6349e-84.1416e-973.992
SATI GUHHN2.4827e-62.7622e-71.4971e-74.9026e-82.3231e-85.3823e-65.0258e-73.3773e-86.6072e-973.992
SATI GUHHE2.6110e-63.7718e-71.5991e-76.0197e-84.0297e-81.0412e-56.3120e-77.0729e-81.1517e-873.992
CANI GUHHZ1.2345e-62.0530e-71.0596e-73.6900e-81.8126e-84.0160e-65.0077e-72.5358e-84.9022e-979.1130
CANI GUHHN1.6155e-62.1912e-71.3231e-75.6967e-82.3640e-85.7186e-67.1443e-73.0931e-84.7486e-979.1130
CANI GUHHE1.6044e-62.5255e-71.4357e-74.8596e-82.1166e-84.0840e-67.5284e-73.3711e-86.1424e-979.1130
EMBD CHHHZ6.6283e-71.3895e-71.3112e-77.4800e-82.5155e-81.5101e-67.6516e-73.3319e-84.0385e-979.163
EMBD CHHHN6.1823e-71.3013e-71.2193e-75.1553e-82.1433e-81.2427e-67.8834e-72.4229e-83.5416e-979.163
EMBD CHHHE4.3366e-71.1187e-77.6869e-84.5049e-81.7645e-81.6567e-63.9971e-72.1870e-82.5856e-979.163
MMK CHHHZ7.0247e-71.1386e-71.1148e-74.7801e-81.7656e-81.7503e-65.7885e-72.6903e-83.8703e-982.978
MMK CHHHN7.5589e-71.8227e-71.6385e-77.1447e-82.7786e-83.2667e-61.1689e-63.7133e-85.4432e-982.978
MMK CHHHE6.1822e-71.2765e-71.0377e-74.5061e-81.9067e-81.7619e-67.2928e-72.7711e-83.9931e-982.978
LAUCHCHHHZ1.5942e-62.2469e-79.1176e-83.6999e-81.6365e-87.1605e-64.3102e-72.9241e-85.4504e-987.648
LAUCHCHHHN1.3241e-62.1202e-71.1504e-74.6312e-82.3328e-86.0094e-64.5532e-73.2496e-84.8053e-987.648
LAUCHCHHHE1.1356e-62.6029e-71.8935e-76.0262e-82.6309e-83.8717e-67.5569e-74.2527e-86.5614e-987.648
SIMPLCHHHZ5.5213e-79.0037e-88.9288e-84.1279e-81.3954e-81.4550e-64.9151e-72.0854e-83.0470e-993.265
SIMPLCHHHN3.9952e-77.5445e-86.4264e-83.0758e-81.0541e-81.2918e-63.6521e-71.3059e-82.2490e-993.265
SIMPLCHHHE4.7373e-76.9297e-86.5323e-82.4561e-81.0233e-81.3367e-63.0583e-71.4776e-82.0741e-993.265
*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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