AUTOMATIC Location - Area: Alpi Pennine , magnitude (ML): 1.9
2025-12-22 22:10:24 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-12-22 22:14:57

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Earthquake info - RsniPicker2 automatic location
Event - ID :251222220958
Magnitude (ML) :1.9 +/- 0.3
Origin Time :2025-12-22 22:10:24.49 (UTC)
Location : Latitude: 45.906 N, Longitude: 7.133 E
Area :Alpi Pennine
Depth (km) :10.56
Distances (km) : 9.9 --- Saint-Rhemy-En-Bosses (AO)
10.8 --- Saint-Oyen (AO)
12.0 --- Etroubles (AO)
15.0 --- Ollomont (AO)
15.3 --- Allein (AO)
16.5 --- Doues (AO)
17.4 --- Valpelline (AO)
17.6 --- Courmayeur (AO)
18.0 --- Morgex (AO)
18.3 --- La Salle (AO)
18.7 --- Gignod (AO)
19.3 --- Roisan (AO)
19.4 --- Pre -Saint-Didier (AO)
20.3 --- Oyace (AO)
21.1 --- Saint-Nicolas (AO)
21.8 --- Avise (AO)
22.6 --- Arvier (AO)
22.8 --- Bionaz (AO)
22.9 --- Saint-Pierre (AO)
23.0 --- Sarre (AO)

Quality location estimate:
Erh: 1.9 km, Erz: 1.1 km, Nf: 35, Gap: 128°, Rms: 0.306 s
Stazioni validate: 20


RsniPicker2 - Automatic location results
Station Net P arrival times P pick
err		 P pick
weight		 P res Nll
weight		 S arrival time S pick
err		 S pick
weight		 S res Nll
weight		 Dist.
REMYGU2025-12-22 22:10:27.6900.00800.061.732025-12-22 22:10:29.7500.0390-0.031.8413.1
MRGEIV2025-12-22 22:10:27.9800.0100-0.550.562025-12-22 22:10:30.1900.0581-1.090.1219.2
BLANCGU2025-12-22 22:10:27.5200.0460-1.490.20--:---.-----.---.-- 19.9
DIXCH2025-12-22 22:10:30.8250.0170-0.021.852025-12-22 22:10:35.2400.09210.021.5730.8
RSLFR2025-12-22 22:10:31.8890.0210-1.510.20--:---.-----.---.-- 47.3
CIROGU2025-12-22 22:10:33.8100.02800.021.752025-12-22 22:10:40.0820.2292-0.270.9748.9
VANNICH2025-12-22 22:10:34.0490.02700.211.012025-12-22 22:10:40.2540.1512-0.031.3250.4
LSDGU2025-12-22 22:10:33.5800.0270-0.061.642025-12-22 22:10:39.4190.1522-0.540.5850.7
SENINCH2025-12-22 22:10:34.0600.0290-0.650.492025-12-22 22:10:40.9720.2142-0.880.3453.5
SATIGU2025-12-22 22:10:35.1100.0330-0.101.462025-12-22 22:10:43.1930.22120.131.0958.0
EMBDCH2025-12-22 22:10:36.3750.03500.081.552025-12-22 22:10:44.3960.2702-0.081.0765.0
MMKCH2025-12-22 22:10:36.8840.03700.410.482025-12-22 22:10:44.4040.2922-0.490.7267.1
OROIV2025-12-22 22:10:37.0200.0410-0.590.542025-12-22 22:10:47.0700.22120.061.1073.5
LAUCHCH2025-12-22 22:10:38.1340.0390-0.051.53--:---.-----.---.-- 75.8
SIMPLCH2025-12-22 22:10:38.6600.0420-0.051.512025-12-22 22:10:48.5160.2382-0.091.0778.6
RSPGU2025-12-22 22:10:39.3890.04500.091.442025-12-22 22:10:49.2230.7043-0.260.6685.5
FIESACH2025-12-22 22:10:41.6890.0501-0.071.382025-12-22 22:10:53.9190.33620.160.8796.2
RRLGU--:---.-----.---.--2025-12-22 22:10:56.7990.3482-1.200.28113.2
BHBGU2025-12-22 22:10:45.1100.06210.420.582025-12-22 22:10:58.8100.36420.050.86119.9
FUSIOCH2025-12-22 22:10:47.7350.13620.420.63--:---.-----.---.-- 133.1


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
REMY GU1.501.62e+013.1166SI
MRGE IV2.304.50e+019.2200SI
DIX CH2.302.33e+030.847SI
CIRO GU1.701.20e-148.9135SI
LSD GU2.106.18e-150.7180SI
SATI GU1.708.90e-258.093SI
MMK CH1.706.84e-267.176SI
ORO IV1.901.58e-173.5115SI
RSP GU2.001.60e-185.5173SI
RRL GU2.005.51e-2113.2194SI
BHB GU2.106.62e-2119.9175SI


Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation
Station Net Channel PGA
(g)		 PGV
(m/s)		 PGD
(m)		 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.
(°)
REMY GUHHZ1.1533e-41.4447e-50.0000e+06.6920e-61.2309e-51.7004e-51.0799e-43.0863e-51.8465e-62.2692e-713.1166
REMY GUHHN2.4511e-43.4084e-50.0000e+01.1151e-51.8756e-51.8756e-51.9090e-44.5004e-52.5289e-64.1521e-713.1166
REMY GUHHE1.0765e-41.3476e-50.0000e+09.8844e-61.6252e-52.1361e-51.6019e-43.6086e-52.0784e-62.5123e-713.1166
MRGE IVHHZ4.6227e-44.5856e-50.0000e+01.0588e-52.1693e-53.2576e-52.5650e-41.8749e-51.8261e-64.7865e-719.2200
MRGE IVHHN1.3499e-31.3176e-40.0000e+03.0204e-56.0766e-56.0766e-58.5341e-44.5887e-55.5730e-61.4351e-619.2200
MRGE IVHHE1.1305e-31.2115e-40.0000e+02.8634e-55.7948e-58.6657e-56.0819e-46.3161e-55.5873e-61.3957e-619.2200
BLANCGUHHZ3.4640e-44.8612e-50.0000e+03.3829e-55.8170e-58.0979e-51.4614e-38.0678e-55.8685e-61.0710e-619.9-1
BLANCGUHHN7.3027e-49.3923e-50.0000e+03.5752e-56.1132e-56.1132e-51.3142e-39.9878e-57.2282e-61.0941e-619.9-1
BLANCGUHHE4.0557e-46.0271e-50.0000e+04.3249e-57.2191e-51.0038e-41.7714e-31.3778e-47.7505e-61.2899e-619.9-1
DIX CHHHZ1.0113e-42.1885e-50.0000e+09.3177e-61.6530e-52.3458e-51.9547e-42.7663e-52.3949e-63.6105e-730.847
DIX CHHHN1.5962e-42.7800e-50.0000e+01.0865e-51.9806e-51.9806e-51.9602e-44.8237e-53.2599e-64.7048e-730.847
DIX CHHHE1.8992e-42.7809e-50.0000e+09.5527e-61.6296e-52.2701e-51.7065e-43.8289e-52.8506e-64.1863e-730.847
CIRO GUHHZ1.0152e-51.3815e-60.0000e+08.5692e-71.5420e-62.1911e-61.7919e-52.1726e-62.8172e-74.3350e-848.9135
CIRO GUHHN1.3708e-51.7753e-60.0000e+01.2565e-62.2495e-62.2495e-61.5607e-56.1421e-62.4579e-74.0218e-848.9135
CIRO GUHHE7.8325e-61.3023e-60.0000e+07.0186e-71.2960e-61.9019e-62.0882e-51.8111e-61.7353e-72.8429e-848.9135
LSD GUHHZ1.6788e-53.2378e-60.0000e+02.1925e-64.1138e-65.7082e-64.1874e-57.2011e-65.8742e-76.6155e-850.7180
LSD GUHHN3.4646e-54.5594e-60.0000e+02.3591e-64.1746e-64.1746e-66.6304e-59.4093e-66.3308e-78.8379e-850.7180
LSD GUHHE7.0124e-51.0613e-50.0000e+03.2723e-65.5713e-67.7825e-68.8503e-58.8040e-67.1861e-71.1311e-750.7180
SATI GUHHZ6.3563e-61.1566e-60.0000e+08.4060e-71.5110e-62.1086e-62.0478e-53.0446e-61.4806e-72.9938e-858.093
SATI GUHHN1.3095e-51.8835e-60.0000e+01.0895e-62.0675e-62.0675e-63.6684e-54.4829e-62.6294e-73.8028e-858.093
SATI GUHHE1.1126e-51.7044e-60.0000e+01.1666e-61.9554e-62.7344e-62.8470e-52.2617e-62.5401e-73.7563e-858.093
MMK CHHHZ4.7634e-61.1228e-60.0000e+08.6671e-71.5138e-62.1227e-61.6274e-53.8669e-62.0659e-72.6772e-867.176
MMK CHHHN6.3942e-61.0076e-60.0000e+08.2531e-71.3917e-61.3917e-62.5411e-52.9953e-61.9444e-72.3201e-867.176
MMK CHHHE3.6843e-65.8809e-70.0000e+05.9159e-79.9328e-71.3085e-61.0262e-52.4263e-61.6732e-71.7636e-867.176
RSP GUHHZ6.3202e-61.2008e-60.0000e+01.0366e-61.6579e-62.2665e-62.9552e-52.4537e-62.3068e-73.1156e-885.5173
RSP GUHHN1.1711e-52.4262e-60.0000e+01.8479e-63.1712e-63.1712e-63.4407e-55.4668e-62.9115e-76.0432e-885.5173
RSP GUHHE8.0088e-61.9115e-60.0000e+01.5644e-62.5954e-63.6436e-62.0357e-55.9878e-64.9317e-75.2771e-885.5173
RRL GUHHZ7.4109e-72.7317e-70.0000e+02.3966e-74.8423e-76.3815e-72.7199e-61.3585e-61.2072e-73.4703e-8113.2194
RRL GUHHN1.7850e-64.5422e-70.0000e+04.2133e-78.1770e-78.1770e-74.2014e-62.3533e-62.2003e-72.5484e-8113.2194
RRL GUHHE1.1300e-63.9841e-70.0000e+03.4490e-77.7061e-71.0874e-63.1370e-62.4174e-62.6464e-72.1388e-8113.2194
BHB GUHHZ2.1837e-66.3202e-70.0000e+05.7426e-71.0569e-61.3926e-68.0968e-62.0647e-62.0250e-72.3602e-8119.9175
BHB GUHHN3.9282e-67.5562e-70.0000e+07.4627e-71.2740e-61.2740e-61.1937e-52.9751e-62.1049e-72.5160e-8119.9175
BHB GUHHE2.3301e-65.3810e-70.0000e+05.3600e-78.9999e-71.2072e-67.2421e-62.7804e-61.7216e-72.7686e-8119.9175
*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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