AUTOMATIC Location - Area: Alpi Pennine , magnitude (ML): 1.3
2026-05-23 02:36:44 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-05-23 02:41:22

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Earthquake info - RsniPicker2 automatic location
Event - ID :260523023618
Magnitude (ML) :1.3 +/- 0.2
Origin Time :2026-05-23 02:36:44.189 (UTC)
Location : Latitude: 45.915 N, Longitude: 7.081 E
Area :Alpi Pennine
Depth (km) :5.79
Distances (km) : 12.8 --- Saint-Rhemy-En-Bosses (AO)
14.2 --- Saint-Oyen (AO)
15.5 --- Etroubles (AO)
15.9 --- Courmayeur (AO)
17.8 --- Morgex (AO)
18.3 --- Pre -Saint-Didier (AO)
18.7 --- La Salle (AO)
19.0 --- Allein (AO)
19.1 --- Ollomont (AO)
20.5 --- Doues (AO)
21.4 --- Valpelline (AO)
22.3 --- Gignod (AO)
23.0 --- Saint-Nicolas (AO)
23.0 --- Roisan (AO)
23.3 --- Avise (AO)
24.2 --- La Thuile (AO)
24.4 --- Arvier (AO)
24.4 --- Oyace (AO)
25.5 --- Saint-Pierre (AO)
25.6 --- Villeneuve (AO)

Quality location estimate:
Erh: 1.3 km, Erz: 1.2 km, Nf: 27, Gap: 144°, Rms: 0.269 s
Stazioni validate: 18


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.
BLANCGU2026-05-23 02:36:47.9000.0070-0.011.402026-05-23 02:36:49.7090.5483-0.700.3815.0
MRGEIV2026-05-23 02:36:48.3690.00900.371.182026-05-23 02:36:50.5700.05210.001.3817.3
DIXCH2026-05-23 02:36:51.2550.01900.381.162026-05-23 02:36:55.6890.09610.241.2531.8
LSDGU2026-05-23 02:36:53.9800.03100.470.842026-05-23 02:36:59.9020.1632-0.021.1651.2
CIROGU2026-05-23 02:36:54.3100.02700.241.222026-05-23 02:37:00.4700.1562-0.550.3251.7
VANNICH--:---.-----.---.--2026-05-23 02:37:00.7560.15820.121.2351.9
SENINCH2026-05-23 02:36:54.4350.04800.011.342026-05-23 02:37:01.2950.1582-0.270.7552.9
SATIGU--:---.-----.---.--2026-05-23 02:37:03.6400.1842-0.170.9161.4
EMBDCH--:---.-----.---.--2026-05-23 02:37:04.8900.2022-0.081.0267.2
MMKCH2026-05-23 02:36:57.0350.14720.291.172026-05-23 02:37:05.5150.2112-0.031.0670.1
LAUCHCH2026-05-23 02:36:58.5900.03900.411.01--:---.-----.---.-- 77.2
SIMPLCH2026-05-23 02:36:59.0900.04100.161.302026-05-23 02:37:08.9950.2432-0.170.8781.1
OGMOFR2026-05-23 02:36:59.0990.0430-0.021.25--:---.-----.---.-- 84.7
RSPGU2026-05-23 02:36:59.8490.04400.570.582026-05-23 02:37:09.0600.4932-0.580.4686.7
FIESACH2026-05-23 02:37:01.9200.0911-0.011.19--:---.-----.---.-- 98.3
RRLGU2026-05-23 02:37:03.9200.0571-0.121.02--:---.-----.---.-- 113.0
BHBGU2026-05-23 02:37:04.8900.06110.221.22--:---.-----.---.-- 121.1
PZZGU2026-05-23 02:37:11.2500.07910.760.33--:---.-----.---.-- 156.7


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
MRGE IV1.104.09e-117.3186SI
DIX CH1.806.76e-131.854SI
LSD GU1.401.16e-151.2175SI
CIRO GU1.405.11e-251.7132SI
SATI GU1.001.81e-261.494SI
MMK CH1.101.50e-270.177SI
RSP GU1.403.70e-286.7170SI
RRL GU1.106.68e-3113.0192SI
BHB GU1.401.26e-2121.1173SI
PZZ GU1.501.71e-2156.7179SI


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.
(°)
BLANCGUHHZ4.6708e-58.2077e-60.0000e+03.8218e-66.2093e-68.5731e-61.0786e-41.4711e-58.3194e-71.4299e-715.0-1
BLANCGUHHN7.8107e-58.6664e-60.0000e+04.4538e-68.0805e-68.0805e-68.8952e-51.5590e-59.9409e-71.4240e-715.0-1
BLANCGUHHE5.6103e-57.4291e-60.0000e+04.4079e-67.7896e-61.1269e-51.0804e-41.6040e-51.2757e-61.7954e-715.0-1
MRGE IVHHZ4.4521e-54.4721e-60.0000e+01.2524e-62.3826e-63.4470e-62.1162e-53.1582e-63.1917e-75.7472e-817.3186
MRGE IVHHN7.3414e-57.9362e-60.0000e+02.6476e-65.1801e-65.1801e-65.4061e-59.8139e-67.4869e-71.3587e-717.3186
MRGE IVHHE8.4346e-57.9444e-60.0000e+01.9416e-63.7767e-65.4591e-64.4665e-56.4892e-66.5858e-78.3313e-817.3186
DIX CHHHZ3.6576e-55.7501e-60.0000e+02.3414e-63.9906e-65.4788e-65.4437e-56.8538e-65.5957e-78.8032e-831.854
DIX CHHHN5.3200e-58.8925e-60.0000e+03.4776e-65.9703e-65.9703e-67.3844e-51.6296e-59.4056e-71.5877e-731.854
DIX CHHHE6.5797e-59.4148e-60.0000e+02.8216e-64.9601e-66.8879e-65.3279e-58.7496e-66.9975e-78.6729e-831.854
LSD GUHHZ4.6589e-67.3459e-70.0000e+04.6234e-78.5276e-71.2224e-61.0226e-51.2734e-61.1295e-71.6237e-851.2175
LSD GUHHN7.9560e-68.4199e-70.0000e+05.2261e-79.1846e-79.1846e-71.4758e-51.6980e-61.0534e-71.6628e-851.2175
LSD GUHHE8.8603e-61.9643e-60.0000e+06.0625e-71.0422e-61.4388e-61.5198e-51.8573e-61.2666e-72.0083e-851.2175
CIRO GUHHZ4.4243e-66.1807e-70.0000e+03.2893e-76.3400e-79.3923e-77.7654e-68.1289e-78.7008e-81.3841e-851.7132
CIRO GUHHN7.8856e-67.2450e-70.0000e+04.6595e-77.9518e-77.9518e-75.1964e-62.2820e-61.0451e-71.7716e-851.7132
CIRO GUHHE4.0163e-65.9936e-70.0000e+02.7374e-75.3464e-77.9837e-76.3881e-66.7353e-76.6750e-81.3630e-851.7132
SATI GUHHZ2.1196e-62.6536e-70.0000e+01.4381e-72.6938e-73.9554e-74.8779e-63.6066e-73.2668e-86.1179e-961.494
SATI GUHHN5.7792e-66.0809e-70.0000e+02.6541e-75.0721e-75.0721e-77.8429e-67.5554e-75.6982e-89.6962e-961.494
SATI GUHHE3.3406e-64.0668e-70.0000e+02.3563e-74.2986e-76.1179e-79.6470e-63.9592e-75.9877e-87.9235e-961.494
MMK CHHHZ1.5827e-62.3978e-70.0000e+02.0374e-73.5087e-74.7099e-74.6427e-69.0328e-74.2473e-87.4168e-970.177
MMK CHHHN1.8820e-62.4824e-70.0000e+01.8386e-73.1746e-73.1746e-77.1935e-66.0420e-73.8866e-86.3717e-970.177
MMK CHHHE2.1332e-62.4293e-70.0000e+01.4283e-72.7057e-73.9834e-73.2830e-64.6094e-73.7011e-85.6415e-970.177
RSP GUHHZ1.6602e-62.5450e-70.0000e+02.2969e-73.6224e-74.9199e-75.7786e-65.8862e-75.2183e-88.0705e-986.7170
RSP GUHHN2.5899e-65.3400e-70.0000e+04.1916e-76.9831e-76.9831e-77.8167e-61.4173e-67.0499e-81.2141e-886.7170
RSP GUHHE2.0477e-64.6863e-70.0000e+03.8949e-76.3704e-78.8809e-75.3949e-61.4417e-69.7394e-81.1588e-886.7170
RRL GUHHZ3.2082e-75.8074e-80.0000e+04.4019e-88.1253e-81.1118e-71.4375e-62.0326e-72.9046e-82.7545e-9113.0192
RRL GUHHN2.6837e-75.4506e-80.0000e+06.3913e-81.0549e-71.0549e-71.0760e-64.0123e-73.4552e-83.7287e-9113.0192
RRL GUHHE1.7115e-76.3281e-80.0000e+04.8864e-89.5239e-81.3040e-75.7683e-73.9282e-73.6317e-81.9756e-9113.0192
BHB GUHHZ6.6817e-71.6855e-70.0000e+01.2832e-72.4919e-73.4239e-72.5773e-64.4357e-71.2880e-76.2705e-9121.1173
BHB GUHHN7.5956e-71.7730e-70.0000e+01.6787e-72.8095e-72.8095e-73.0842e-66.5259e-75.7819e-84.6274e-9121.1173
BHB GUHHE4.4097e-71.0245e-70.0000e+01.0143e-71.7352e-72.3539e-71.5442e-65.1621e-76.7105e-84.1306e-9121.1173
PZZ GUHHZ4.9955e-71.1957e-70.0000e+01.0526e-71.7211e-72.3281e-71.6011e-65.1875e-72.9278e-83.1573e-9156.7179
PZZ GUHHN5.1014e-71.0370e-70.0000e+01.0277e-71.7122e-71.7122e-71.2703e-66.2629e-75.6197e-82.7303e-9156.7179
PZZ GUHHE5.4327e-71.3388e-70.0000e+01.2332e-71.9942e-72.7161e-71.2594e-65.7618e-73.1637e-83.7964e-9156.7179
*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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