MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.0
2025-04-12 10:42:37 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-04-14 08:08:04

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Earthquake info - Manual location
Event - ID :250412104102
Magnitude (ML) :0.0 +/- 0.2
Origin Time :2025-04-12 10:42:37.871 (UTC)
Location : Latitude: 45.805 N, Longitude: 7.455 E
Area :Alpi Pennine
Depth (km) :6.15
Distances (km) : 7.1 --- Nus
7.6 --- Quart
7.6 --- Verrayes
7.7 --- Oyace
8.2 --- Bionaz
8.2 --- Saint-Marcel
8.4 --- Fenis
8.9 --- Torgnon
9.4 --- Brissogne
9.7 --- Chambave
9.7 --- Saint-Denis
9.9 --- Saint-Christophe
10.3 --- Valpelline
10.7 --- Antey-Saint-Andre
11.2 --- Roisan
11.6 --- Doues
11.6 --- Pollein
12.4 --- Ollomont
12.5 --- Gignod
12.7 --- La Magdeleine

Quality location estimate: Erh: 1.1 km, Erz: 2.2 km, Nf: 14, Gap: 103 °, Rms: 0.29


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.
REMYGU2025-04-12 10:42:42.9480.02000.041.912025-04-12 10:42:45.6690.0400-0.860.5324.9
CIROGU2025-04-12 10:42:43.2250.0200-0.002.102025-04-12 10:42:46.3700.0400-0.580.3725.7
MRGEIV2025-04-12 10:42:43.8940.0200-0.022.002025-04-12 10:42:47.2070.0400-1.020.4431.7
DIXCH2025-04-12 10:42:44.1790.0200-0.012.032025-04-12 10:42:47.9210.0400-0.760.5332.1
LSDGU2025-04-12 10:42:46.2700.0200-0.061.622025-04-12 10:42:51.0020.0400-1.110.3346.5
MMKCH2025-04-12 10:42:47.1570.02000.510.022025-04-12 10:42:52.4320.0400-0.450.3848.8
EMBDCH2025-04-12 10:42:47.9150.02000.180.622025-04-12 10:42:54.5950.0400-0.111.1354.7


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
REMY GUHH0.122.32e-224.9279
CIRO GUHH0.251.59e-225.7159
MRGE IVHH-0.136.98e-331.7263
LSD GUHH0.127.05e-346.5213
MMK CHHH-0.002.58e-348.855
EMBD CHHH-0.262.11e-354.732


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.
(°)
REMY GUHHZ2.7123e-63.4711e-71.3430e-73.7075e-82.0418e-83.8778e-65.4729e-73.3830e-87.5923e-924.9279
REMY GUHHN4.9909e-65.0885e-72.0053e-76.5930e-83.1898e-81.0118e-55.6026e-75.2191e-81.1085e-824.9279
REMY GUHHE3.7452e-64.6222e-71.4782e-74.8896e-82.5590e-86.9594e-64.2387e-74.2513e-89.1499e-924.9279
CIRO GUHHZ2.0382e-62.7011e-78.6556e-82.9430e-81.4072e-85.8690e-63.3989e-72.4871e-85.8666e-925.7159
CIRO GUHHN5.0505e-65.8022e-71.0616e-73.6544e-82.1718e-87.1625e-65.6670e-74.7779e-81.0146e-825.7159
CIRO GUHHE4.0075e-63.9231e-79.2538e-83.0760e-81.7316e-86.1353e-62.8688e-73.0741e-86.0992e-925.7159
MRGE IVHHZ2.1452e-61.9659e-72.6846e-82.5942e-81.6382e-88.0315e-71.0752e-72.2825e-83.0791e-931.7263
MRGE IVHHN2.3771e-62.3354e-74.5328e-82.7345e-81.4980e-82.3784e-62.4422e-72.0224e-84.4193e-931.7263
MRGE IVHHE2.4394e-62.1852e-73.9466e-82.3465e-81.1741e-81.8222e-61.4618e-71.7198e-83.7943e-931.7263
DIX CHHHZ6.5565e-69.2235e-73.6583e-71.3121e-76.5709e-82.1024e-51.8211e-61.0192e-71.9689e-832.1353
DIX CHHHN8.8325e-68.9753e-73.1381e-78.7033e-84.3313e-89.5730e-61.2446e-67.9539e-82.0756e-832.1353
DIX CHHHE9.8067e-61.4713e-64.8401e-71.2543e-77.7251e-81.5140e-51.9818e-61.2952e-73.1761e-832.1353
LSD GUHHZ1.6358e-61.8328e-75.6794e-81.7242e-89.6911e-92.4309e-61.9986e-71.3785e-83.0609e-946.5213
LSD GUHHN1.5870e-61.2791e-74.2893e-81.6402e-86.8579e-91.7232e-62.3920e-71.0930e-82.2314e-946.5213
LSD GUHHE1.6883e-61.5750e-76.4796e-81.7827e-89.8713e-91.7098e-63.2055e-71.5691e-83.2180e-946.5213
MMK CHHHZ2.9555e-73.6494e-81.7097e-81.0486e-86.5637e-96.9506e-78.7197e-89.2929e-91.1680e-948.855
MMK CHHHN3.2294e-74.1731e-82.3450e-89.1379e-96.5659e-91.0954e-67.9273e-89.0113e-91.1268e-948.855
MMK CHHHE2.9735e-73.5619e-81.5188e-87.9721e-93.7518e-96.3337e-76.4530e-85.9622e-98.2958e-1048.855
EMBD CHHHZ2.3196e-74.3188e-82.2580e-81.4736e-81.7615e-85.0309e-71.4242e-72.6926e-82.5822e-954.732
EMBD CHHHN2.6313e-73.3665e-81.9989e-88.2828e-94.6381e-96.9136e-78.1553e-86.1745e-99.3243e-1054.732
EMBD CHHHE2.2679e-72.4388e-81.7258e-87.6618e-94.0668e-94.3659e-79.5267e-85.2526e-96.0104e-1054.732
*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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