MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.9
2026-05-02 16:51:24 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-05-04 07:26:01

RSNI Logo

Earthquake info - Manual location
Event - ID :260502165059
Magnitude (ML) :0.9 +/- 0.2
Origin Time :2026-05-02 16:51:24.465 (UTC)
Location : Latitude: 45.897 N, Longitude: 7.028 E
Area :Alpi Pennine
Depth (km) :6.01
Distances (km) : 12.3 --- Courmayeur
14.3 --- Saint-Rhemy-En-Bosses
15.1 --- Pre -Saint-Didier
15.4 --- Morgex
16.3 --- Saint-Oyen
17.0 --- La Salle
17.7 --- Etroubles
20.8 --- La Thuile
21.3 --- Allein
22.4 --- Ollomont
22.6 --- Avise
22.7 --- Saint-Nicolas
23.2 --- Doues
24.0 --- Arvier
24.4 --- Gignod
24.4 --- Valpelline
25.3 --- Roisan
25.7 --- Villeneuve
25.9 --- Saint-Pierre
26.0 --- Introd

Quality location estimate: Erh: 0.8 km, Erz: 0.9 km, Nf: 40, Gap: 64 °, Rms: 0.30


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.
BLANCGU2026-05-02 16:51:27.6600.01200.181.332026-05-02 16:51:29.0750.0400-0.410.8613.2
MRGEIV2026-05-02 16:51:28.2800.01400.281.362026-05-02 16:51:30.3900.05210.021.4116.3
DIXCH2026-05-02 16:51:31.9210.02000.001.402026-05-02 16:51:36.5400.1053-0.510.7936.5
RSLFR2026-05-02 16:51:32.0300.0190-0.011.392026-05-02 16:51:36.5000.1263-0.690.5939.3
LSDGU2026-05-02 16:51:33.9400.02710.371.092026-05-02 16:51:39.5190.1514-0.291.0050.0
CIROGU2026-05-02 16:51:34.5800.0321-0.141.082026-05-02 16:51:40.7090.1584-1.190.2353.9
SENINCH2026-05-02 16:51:35.1800.0341-0.101.172026-05-02 16:51:42.1000.2406-0.740.5856.5
VANNICH2026-05-02 16:51:35.3230.02000.351.162026-05-02 16:51:41.7090.0400-0.510.8056.5
SATIGU2026-05-02 16:51:36.0180.0200-0.420.872026-05-02 16:51:43.9500.3167-1.260.2465.7
EMBDCH2026-05-02 16:51:37.7110.02000.191.422026-05-02 16:51:45.6400.2106-0.920.4371.9
CANIGU2026-05-02 16:51:37.5430.02000.341.172026-05-02 16:51:45.8110.0400-0.021.2873.0
LATOIV2026-05-02 16:51:37.9060.02000.211.402026-05-02 16:51:46.0790.0400-0.540.7774.7
MMKCH2026-05-02 16:51:38.1740.02000.410.912026-05-02 16:51:46.7870.0400-0.320.9874.9
LAUCHCH2026-05-02 16:51:39.3100.04720.121.422026-05-02 16:51:49.7020.04000.251.1781.7
RSPGU2026-05-02 16:51:39.8650.02000.470.712026-05-02 16:51:48.8700.4088-0.740.6285.6
SIMPLCH2026-05-02 16:51:39.6390.0200-0.330.922026-05-02 16:51:49.6400.2517-1.110.3285.8
FIESACH2026-05-02 16:51:43.1450.02000.171.362026-05-02 16:51:55.8030.0400-0.021.18102.9
RRLGU2026-05-02 16:51:43.3200.1406-0.520.792026-05-02 16:51:56.3870.0400-0.780.56110.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BLANCGUHH0.692.72e-113.2231
MRGE IVHH1.255.78e-116.3170
DIX CHHH1.351.89e-136.555
LSD GUHH1.055.13e-250.0170
CIRO GUHH0.982.03e-253.9128
SENINCHHH0.641.54e-256.522
VANNICHHH0.591.39e-256.551
SATI GUHH0.881.12e-265.792
EMBD CHHH0.567.66e-371.960
CANI GUHH0.911.66e-273.0135
MMK CHHH0.847.22e-374.976
LAUCHCHHH0.881.20e-281.745
RSP GUHH0.941.35e-285.6167
SIMPLCHHH0.514.62e-385.863
FIESACHHH1.161.36e-2102.954
RRL GUHH0.642.34e-3110.4190


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.
(°)
BLANCGUHHZ4.6947e-54.6519e-61.9611e-65.2403e-73.1196e-76.6212e-59.5043e-65.3582e-79.6135e-813.2231
BLANCGUHHN5.0766e-55.1174e-62.3027e-66.6384e-73.8151e-75.5902e-51.1072e-56.2554e-71.1356e-713.2231
BLANCGUHHE5.8389e-55.1092e-62.3533e-61.0593e-64.9789e-75.9804e-57.9483e-67.2097e-79.6721e-813.2231
MRGE IVHHZ8.7716e-59.1944e-61.5116e-66.1132e-73.5410e-77.0500e-57.3761e-67.2728e-71.7973e-716.3170
MRGE IVHHN1.9446e-41.8401e-53.1396e-61.2200e-66.5519e-72.0557e-41.1364e-51.4662e-63.9534e-716.3170
MRGE IVHHE2.0446e-41.9217e-53.1755e-61.2716e-66.4357e-71.3095e-41.3241e-51.4157e-63.6975e-716.3170
DIX CHHHZ2.1235e-53.1061e-61.7424e-65.0669e-72.4139e-73.9219e-56.2140e-63.8621e-77.3881e-836.555
DIX CHHHN1.9594e-52.5755e-61.2668e-64.1894e-72.0647e-73.3747e-57.7342e-63.0953e-74.7961e-836.555
DIX CHHHE3.4950e-54.4215e-61.6808e-65.4015e-72.4580e-78.2804e-55.5931e-63.8776e-78.9634e-836.555
LSD GUHHZ4.7082e-65.3902e-72.2180e-77.5965e-83.3226e-87.2924e-65.9758e-75.2902e-81.1063e-850.0170
LSD GUHHN1.2103e-51.0328e-61.9111e-75.4136e-83.0652e-81.0210e-58.2482e-76.1586e-81.9500e-850.0170
LSD GUHHE1.0856e-51.2574e-64.2842e-71.2835e-76.2532e-81.2864e-52.1358e-61.0066e-72.4913e-850.0170
CIRO GUHHZ3.2163e-63.0777e-71.1610e-75.2627e-82.6494e-83.7521e-65.8431e-74.2634e-87.5684e-953.9128
CIRO GUHHN3.5575e-63.3708e-71.6098e-75.9203e-82.5914e-83.8369e-66.8400e-74.3238e-87.5772e-953.9128
CIRO GUHHE2.8265e-62.8539e-78.8816e-83.4738e-81.6152e-84.4417e-65.1045e-72.5563e-85.1588e-953.9128
SENINCHHHZ2.2186e-64.3703e-73.2683e-79.3843e-84.7578e-88.1230e-61.5435e-66.7184e-81.0803e-856.522
SENINCHHHN1.8022e-62.2750e-71.4634e-74.6947e-82.5650e-84.9417e-67.5625e-73.4636e-86.2553e-956.522
SENINCHHHE2.6758e-63.2671e-71.6905e-75.3543e-82.7829e-86.7008e-67.4075e-74.0574e-87.7764e-956.522
VANNICHHHZ6.4778e-71.0932e-78.9861e-83.7882e-81.9144e-81.4226e-65.5642e-72.2291e-82.6954e-956.551
VANNICHHHN9.1854e-71.7115e-71.1064e-76.9942e-82.1035e-81.6484e-64.2605e-72.8798e-83.8140e-956.551
VANNICHHHE7.2223e-71.0799e-79.7936e-86.7893e-82.3866e-81.8800e-64.8051e-72.9312e-83.6499e-956.551
SATI GUHHZ1.1602e-61.2229e-74.0955e-81.3800e-87.8000e-92.9360e-61.3135e-71.0953e-82.2985e-965.792
SATI GUHHN3.2328e-63.5039e-77.1174e-82.1738e-81.2993e-86.1962e-62.5617e-72.6279e-86.4040e-965.792
SATI GUHHE1.6869e-61.8028e-75.9120e-81.7455e-81.0250e-84.4604e-62.1600e-71.9233e-83.9831e-965.792
EMBD CHHHZ6.4309e-71.2701e-78.7427e-86.0568e-82.7906e-81.4431e-65.3323e-73.4575e-84.6897e-971.960
EMBD CHHHN5.7620e-79.4635e-86.3764e-82.8361e-81.2189e-81.4157e-63.1905e-71.8681e-82.6312e-971.960
EMBD CHHHE6.1571e-79.2908e-87.0717e-83.0342e-81.3387e-81.7008e-64.0671e-71.8709e-82.5284e-971.960
CANI GUHHZ1.8859e-62.9767e-78.1626e-82.4185e-81.4193e-84.2510e-62.7465e-72.7506e-86.2496e-973.0135
CANI GUHHN2.1447e-62.4804e-71.0671e-73.0840e-81.4647e-83.7576e-63.7850e-72.3772e-85.0142e-973.0135
CANI GUHHE3.2178e-63.5192e-71.3844e-73.2918e-81.7989e-87.9553e-64.5014e-73.2168e-87.5066e-973.0135
MMK CHHHZ1.2695e-61.3602e-77.1670e-82.1484e-81.0251e-81.8778e-62.8627e-71.6822e-83.2889e-974.976
MMK CHHHN9.1286e-71.2912e-76.9666e-82.1028e-81.2095e-83.3625e-63.1237e-71.8740e-83.4813e-974.976
MMK CHHHE1.0270e-61.1876e-74.4489e-81.3444e-87.4766e-92.6091e-62.0010e-71.3645e-82.7028e-974.976
LAUCHCHHHZ5.7564e-71.0506e-75.6875e-82.2458e-81.0990e-82.6168e-62.6586e-71.4903e-82.2805e-981.745
LAUCHCHHHN7.3234e-71.2961e-77.6334e-82.6430e-81.3708e-83.8331e-62.3944e-72.0674e-83.1570e-981.745
LAUCHCHHHE9.1615e-71.6984e-71.1883e-73.6334e-81.6340e-82.5283e-66.1832e-72.2631e-83.9713e-981.745
RSP GUHHZ9.1330e-71.3092e-77.7555e-82.0886e-89.7216e-91.5674e-63.2782e-71.6494e-82.9061e-985.6167
RSP GUHHN9.7133e-71.9483e-71.1886e-72.7786e-81.5815e-82.2472e-65.4723e-72.4100e-84.2300e-985.6167
RSP GUHHE1.2130e-62.1548e-71.3820e-73.8468e-82.3394e-84.9241e-67.6557e-73.9965e-85.1894e-985.6167
SIMPLCHHHZ4.5974e-78.0305e-84.9507e-81.7495e-87.7808e-91.1610e-62.5196e-71.0477e-81.6570e-985.863
SIMPLCHHHN6.2986e-76.6851e-84.7576e-81.9299e-88.8662e-91.3683e-62.7959e-71.0351e-81.6209e-985.863
SIMPLCHHHE4.5623e-76.7744e-84.0005e-81.4715e-86.0396e-91.3700e-61.6651e-77.6928e-91.4831e-985.863
FIESACHHHZ1.0232e-61.4874e-79.6590e-85.7729e-83.0511e-82.2155e-66.3164e-73.8883e-83.8401e-9102.954
FIESACHHHN7.8938e-71.2922e-71.1352e-75.6013e-82.8243e-81.6565e-67.6522e-73.5840e-83.6971e-9102.954
FIESACHHHE5.7401e-71.3285e-71.1028e-75.7772e-83.4478e-81.8511e-68.2792e-73.7736e-83.5216e-9102.954
RRL GUHHZ2.6531e-74.1843e-81.5848e-86.8019e-93.9323e-94.8208e-75.7533e-85.6983e-97.6017e-10110.4190
RRL GUHHN1.5889e-72.5434e-81.9172e-81.0527e-86.0261e-93.5893e-71.0922e-78.3198e-98.1690e-10110.4190
RRL GUHHE1.4761e-72.0976e-81.9630e-81.1840e-85.2054e-93.7118e-78.8518e-86.7739e-98.2007e-10110.4190
*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)

rsni