MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.3
2025-04-16 06:13:11 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-04-16 08:10:29

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Earthquake info - Manual location
Event - ID :250416061251
Magnitude (ML) :0.3 +/- 0.1
Origin Time :2025-04-16 06:13:11.697 (UTC)
Location : Latitude: 45.805 N, Longitude: 7.470 E
Area :Alpi Pennine
Depth (km) :6.01
Distances (km) : 6.7 --- Verrayes
7.0 --- Nus
7.7 --- Torgnon
7.9 --- Fenis
8.2 --- Quart
8.4 --- Saint-Marcel
8.6 --- Bionaz
8.6 --- Oyace
8.7 --- Saint-Denis
8.8 --- Chambave
9.4 --- Antey-Saint-Andre
10.0 --- Brissogne
10.9 --- Saint-Christophe
11.5 --- La Magdeleine
11.5 --- Valpelline
11.9 --- Pontey
12.3 --- Chamois
12.4 --- Roisan
12.5 --- Pollein
12.7 --- Chatillon

Quality location estimate: Erh: 1 km, Erz: 1.3 km, Nf: 22, Gap: 86 °, Rms: 0.32


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.
CIROGU2025-04-16 06:13:17.0620.08030.101.572025-04-16 06:13:20.1190.0400-0.500.0825.3
DIXCH2025-04-16 06:13:18.0130.0200-0.021.532025-04-16 06:13:21.7740.0400-0.770.0932.2
MRGEIV2025-04-16 06:13:18.0760.02000.151.372025-04-16 06:13:21.3180.0400-1.060.1332.9
SATIGU2025-04-16 06:13:19.1370.08030.810.222025-04-16 06:13:23.1610.04000.041.5633.1
VANNICH2025-04-16 06:13:20.5420.02000.461.092025-04-16 06:13:26.6000.04000.580.9246.7
LSDGU2025-04-16 06:13:20.1960.0200-0.061.382025-04-16 06:13:24.8340.0400-1.270.0947.2
MMKCH2025-04-16 06:13:20.9050.02000.600.852025-04-16 06:13:26.4460.04000.031.4647.8
EMBDCH2025-04-16 06:13:21.7090.02000.251.152025-04-16 06:13:28.2800.0400-0.071.2154.1
LATOIV2025-04-16 06:13:22.1770.02000.421.092025-04-16 06:13:28.4960.04000.011.3956.4
SENINCH2025-04-16 06:13:23.7290.02000.481.082025-04-16 06:13:31.4470.04000.001.3164.0
SIMPLCH2025-04-16 06:13:23.7570.02000.511.052025-04-16 06:13:31.4820.04000.061.3864.8


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
CIRO GUHH0.492.86e-225.3161
SATI GUHH0.168.54e-333.176
VANNICHHH0.208.24e-346.712
LSD GUHH0.371.22e-247.2214
MMK CHHH0.254.80e-347.854
SENINCHHH0.508.60e-364.0348
SIMPLCHHH0.103.37e-364.841


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.
(°)
CIRO GUHHZ5.8278e-67.1922e-71.8200e-75.8976e-83.2017e-81.2163e-56.6510e-76.3032e-81.5152e-825.3161
CIRO GUHHN1.0195e-51.1206e-62.1802e-76.9468e-83.7988e-81.4413e-51.1650e-68.4681e-81.9360e-825.3161
CIRO GUHHE9.8500e-67.3858e-71.5412e-75.1948e-82.4707e-81.0523e-55.5184e-74.4937e-81.2413e-825.3161
DIX CHHHZ1.0545e-51.2977e-65.8055e-72.1082e-71.0201e-72.2607e-53.1191e-61.6694e-72.4892e-832.2351
DIX CHHHN1.4239e-51.1591e-64.8087e-71.3674e-78.0157e-81.3775e-51.9576e-61.5304e-72.8058e-832.2351
DIX CHHHE1.5219e-52.0109e-68.1733e-72.3605e-71.2509e-72.1291e-53.1296e-62.1256e-74.1786e-832.2351
MRGE IVHHZ1.9954e-61.6613e-74.6055e-82.8937e-81.3442e-81.1708e-62.1965e-71.8946e-83.3092e-932.9263
MRGE IVHHN3.9985e-63.5645e-76.6347e-83.1970e-81.7324e-83.0919e-62.9342e-73.1657e-86.8575e-932.9263
MRGE IVHHE2.5233e-62.1385e-77.2310e-83.6526e-81.8854e-82.2480e-64.4914e-72.7639e-84.9127e-932.9263
SATI GUHHZ1.6219e-61.3109e-73.2068e-81.3699e-88.0137e-91.4814e-61.2342e-71.0370e-82.3936e-933.176
SATI GUHHN2.8093e-62.8952e-75.8778e-82.7620e-82.3337e-82.7439e-62.5193e-73.7505e-87.5944e-933.176
SATI GUHHE1.7227e-61.9329e-75.8113e-81.9161e-81.1740e-82.8988e-62.6151e-71.8307e-83.7228e-933.176
VANNICHHHZ5.7994e-77.9005e-86.8936e-82.5959e-81.0181e-88.0941e-74.3026e-71.4875e-82.2225e-946.712
VANNICHHHN6.9324e-79.1234e-87.0273e-83.6175e-81.4341e-81.0525e-64.9944e-71.8747e-82.3502e-946.712
VANNICHHHE7.5341e-78.9088e-87.6232e-84.2042e-81.3360e-88.5863e-74.7980e-71.7179e-82.6787e-946.712
LSD GUHHZ2.4929e-62.2780e-71.0421e-73.4706e-81.9680e-84.2382e-63.9929e-72.6088e-85.1489e-947.2214
LSD GUHHN1.9451e-62.1598e-77.4197e-82.6186e-81.2863e-82.5451e-63.0860e-72.6809e-84.7862e-947.2214
LSD GUHHE2.3783e-62.9216e-71.2366e-73.1627e-81.4553e-83.1528e-64.8636e-72.4831e-85.7411e-947.2214
MMK CHHHZ7.7730e-77.7803e-83.8929e-81.4847e-87.1031e-91.5996e-61.7320e-71.2220e-81.9081e-947.854
MMK CHHHN8.5634e-71.0916e-74.7433e-81.7182e-88.8763e-92.2415e-61.7124e-71.3078e-82.3893e-947.854
MMK CHHHE8.1521e-79.6922e-83.2509e-81.6477e-87.6578e-91.0367e-61.8711e-71.0279e-81.8313e-947.854
EMBD CHHHZ5.3175e-75.8984e-84.2841e-81.8955e-88.3656e-91.3239e-62.2140e-71.1591e-81.5246e-954.131
EMBD CHHHN6.1408e-76.2557e-83.5367e-81.8515e-88.5293e-91.2250e-61.7791e-71.0843e-81.4911e-954.131
EMBD CHHHE6.1540e-75.8674e-83.3115e-81.8152e-87.9861e-98.7172e-71.6764e-71.0740e-81.3725e-954.131
SENINCHHHZ4.5944e-78.7964e-88.1848e-84.3484e-82.2672e-81.6402e-64.3220e-72.8460e-82.7555e-964.0348
SENINCHHHN4.1066e-79.0133e-87.2641e-84.1753e-82.4735e-81.5649e-63.4485e-73.6273e-83.2548e-964.0348
SENINCHHHE4.2186e-78.2850e-86.2068e-84.1820e-82.0866e-88.7468e-73.7031e-72.5656e-82.8816e-964.0348
SIMPLCHHHZ4.6354e-74.1991e-82.4325e-81.1856e-86.3506e-91.0058e-61.1113e-79.6835e-91.1434e-964.841
SIMPLCHHHN5.8314e-77.2374e-82.6522e-81.5154e-89.2646e-91.2096e-61.0731e-71.1172e-81.8778e-964.841
SIMPLCHHHE4.3405e-75.6688e-82.3979e-81.1214e-85.9975e-99.4911e-71.1038e-78.4832e-91.4102e-964.841
*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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