MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.9
2024-12-28 11:58:50 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-12-30 09:41:39

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Earthquake info - Manual location
Event - ID :241228115736
Magnitude (ML) :0.9 +/- 0.2
Origin Time :2024-12-28 11:58:50.182 (UTC)
Location : Latitude: 46.040 N, Longitude: 7.637 E
Area :Alpi Pennine
Depth (km) :5.52
Distances (km) : 18.0 --- Valtournenche
22.2 --- Chamois
24.6 --- Bionaz
25.4 --- La Magdeleine
25.5 --- Ayas
26.2 --- Antey-Saint-Andre
26.8 --- Torgnon
26.8 --- Macugnaga
27.4 --- Gressoney-la-Trinite
28.6 --- Oyace
31.0 --- Alagna Valsesia
31.8 --- Verrayes
31.9 --- Brusson
32.0 --- Saint-Vincent
32.3 --- Chatillon
32.3 --- Gressoney-Saint-Jean
32.4 --- Saint-Denis
32.7 --- Rima San Giuseppe
32.8 --- Ollomont
33.3 --- Chambave

Quality location estimate: Erh: 1.1 km, Erz: 0.8 km, Nf: 30, Gap: 48 °, Rms: 0.28


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.
DIXCH2024-12-28 11:58:54.4050.0130-0.011.612024-12-28 11:58:56.7300.0400-0.490.5420.2
VANNICH2024-12-28 11:58:54.6150.01200.331.462024-12-28 11:58:56.5190.0400-0.510.5320.4
EMBDCH2024-12-28 11:58:55.4350.01400.051.402024-12-28 11:58:58.1120.0400-0.760.1625.6
MMKCH2024-12-28 11:58:55.6250.01500.321.452024-12-28 11:58:58.7190.0400-0.041.3926.5
SATIGU2024-12-28 11:58:55.9300.06430.261.222024-12-28 11:58:59.1860.2506-0.250.8726.9
SIMPLCH2024-12-28 11:58:57.4850.0221-0.011.512024-12-28 11:59:01.9040.1002-0.580.4637.6
SENINCH2024-12-28 11:58:58.9920.02000.301.292024-12-28 11:59:05.0640.04000.530.7145.0
CIROGU2024-12-28 11:58:59.7700.03210.381.202024-12-28 11:59:05.6570.1303-0.250.8349.6
MRGEIV2024-12-28 11:58:59.9990.0200-0.091.192024-12-28 11:59:06.9080.0400-0.230.8354.2
FIESACH2024-12-28 11:59:00.9240.02000.071.322024-12-28 11:59:07.7340.0400-0.470.5657.6
COURMFR2024-12-28 11:59:00.7610.0200-0.061.302024-12-28 11:59:08.3690.04000.061.2757.9
LSDGU2024-12-28 11:59:03.9820.02000.610.442024-12-28 11:59:13.3270.04000.680.4475.8
RSLFR2024-12-28 11:59:06.1440.02000.351.132024-12-28 11:59:16.9600.04000.191.1687.7
FUSIOCH2024-12-28 11:59:07.3690.02001.260.012024-12-28 11:59:17.6870.04000.480.8291.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
VANNICHHH0.601.02e-120.4351
EMBD CHHH0.555.98e-225.637
MMK CHHH0.866.09e-226.587
SATI GUHH0.967.92e-226.9136
SIMPLCHHH0.714.08e-237.653
SENINCHHH0.823.74e-245.0324
CIRO GUHH1.052.81e-249.6186
MRGE IVHH1.174.91e-254.2236
FIESACHHH1.256.06e-257.639
LSD GUHH0.951.69e-275.8211
FUSIOCHHH0.838.40e-391.659


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.
(°)
DIX CHHHZ1.8886e-41.4497e-54.4929e-61.7092e-67.8716e-72.7123e-41.8516e-51.4942e-63.4518e-720.2284
DIX CHHHN1.4263e-41.5468e-55.6139e-61.8997e-69.4404e-71.9216e-42.3087e-51.7253e-63.6395e-720.2284
DIX CHHHE1.0965e-41.2323e-54.0302e-61.6445e-67.3400e-71.1532e-42.0473e-51.3029e-62.5348e-720.2284
VANNICHHHZ8.4780e-61.1175e-66.0621e-72.2797e-78.4412e-81.0974e-53.2926e-61.1982e-72.1937e-820.4351
VANNICHHHN9.1389e-61.2447e-66.7454e-73.5616e-71.3788e-71.9730e-52.8987e-61.7414e-73.4918e-820.4351
VANNICHHHE1.1809e-51.5992e-69.4211e-74.7183e-71.4509e-71.7703e-55.0698e-62.1486e-74.1595e-820.4351
EMBD CHHHZ1.0410e-58.6227e-73.9099e-71.5091e-77.1407e-89.2962e-61.7568e-61.0590e-71.8957e-825.637
EMBD CHHHN1.3120e-51.1794e-64.6298e-71.8977e-76.8030e-81.0686e-51.9314e-61.1727e-72.6781e-825.637
EMBD CHHHE1.1889e-51.2295e-65.5268e-72.8027e-71.1964e-71.4498e-52.3787e-61.6353e-72.4970e-825.637
MMK CHHHZ8.6235e-61.0173e-64.9989e-72.5335e-71.2022e-71.7187e-53.1770e-61.6448e-72.6515e-826.587
MMK CHHHN9.5350e-61.0916e-65.8443e-72.1994e-71.0016e-71.7882e-52.0742e-61.5004e-72.5924e-826.587
MMK CHHHE9.6442e-69.0641e-73.8804e-71.8402e-79.4522e-81.5998e-51.8625e-61.4575e-72.2755e-826.587
SATI GUHHZ1.0032e-51.2378e-65.0488e-72.6128e-79.3658e-81.2880e-52.1798e-61.4515e-72.7218e-826.9136
SATI GUHHN1.2195e-51.3635e-65.6541e-72.0936e-77.4661e-82.1227e-52.4788e-61.2957e-72.4454e-826.9136
SATI GUHHE1.2286e-51.4908e-66.1644e-73.4041e-71.1612e-72.2870e-52.2120e-61.7427e-73.5311e-826.9136
SIMPLCHHHZ4.2878e-65.2339e-72.8123e-71.9520e-78.1979e-86.0965e-61.6814e-61.1213e-71.5677e-837.653
SIMPLCHHHN5.8670e-67.0700e-73.1963e-71.5252e-77.8040e-88.8106e-61.3100e-61.0937e-71.8255e-837.653
SIMPLCHHHE4.0980e-65.5222e-72.7844e-79.6226e-84.5045e-86.0530e-69.0662e-77.0485e-81.2865e-837.653
SENINCHHHZ2.8540e-64.5826e-72.8989e-71.8929e-79.9312e-81.0408e-51.2875e-69.8521e-81.2943e-845.0324
SENINCHHHN2.1742e-63.3153e-73.1283e-72.2314e-78.0964e-88.7291e-61.2435e-69.6882e-81.1343e-845.0324
SENINCHHHE2.0873e-63.9612e-72.5156e-71.6251e-76.1393e-86.0217e-61.1224e-66.7364e-89.4403e-945.0324
CIRO GUHHZ2.7818e-65.0169e-72.1390e-78.0466e-84.3760e-89.5764e-69.6071e-76.4946e-81.0077e-849.6186
CIRO GUHHN2.4177e-63.0360e-71.8744e-78.4217e-83.4903e-86.9144e-69.2606e-75.0251e-88.1996e-949.6186
CIRO GUHHE3.9052e-64.7443e-72.3306e-79.1271e-83.6477e-87.5526e-61.2459e-65.9086e-81.1988e-849.6186
MRGE IVHHZ3.1853e-63.3496e-71.7252e-77.1208e-83.0518e-86.7068e-68.5010e-74.2961e-87.6050e-954.2236
MRGE IVHHN1.1132e-51.1212e-62.9076e-71.3145e-75.5094e-81.9328e-51.2285e-61.0133e-72.1578e-854.2236
MRGE IVHHE4.8374e-64.7189e-72.1840e-78.6970e-83.8577e-88.3058e-69.5083e-76.1448e-81.0263e-854.2236
FIESACHHHZ7.5453e-65.8800e-73.6807e-72.2685e-79.5605e-87.2781e-61.9888e-61.0036e-71.3849e-857.639
FIESACHHHN4.5420e-66.2119e-74.8698e-73.5123e-71.2887e-79.0937e-62.5911e-61.6562e-71.7915e-857.639
FIESACHHHE3.7721e-67.3473e-75.0118e-73.5731e-71.8467e-77.6104e-63.3523e-61.9763e-72.8962e-857.639
COURMFRHHZ6.8039e-69.6239e-76.2890e-71.3556e-76.6135e-82.0418e-52.5162e-61.1332e-72.3399e-857.9245
COURMFRHHN8.1370e-61.3548e-68.8062e-73.7054e-71.3887e-73.4076e-52.9384e-62.0468e-73.5382e-857.9245
COURMFRHHE7.9505e-61.4448e-68.7870e-73.1572e-71.3062e-73.8058e-52.3457e-61.8568e-73.0798e-857.9245
LSD GUHHZ1.1229e-61.9148e-71.3699e-75.9908e-82.4970e-84.2302e-65.1686e-73.1668e-85.0691e-975.8211
LSD GUHHN1.3400e-61.7409e-71.1016e-73.6200e-81.3276e-83.4552e-65.4709e-71.8253e-83.6130e-975.8211
LSD GUHHE2.0762e-63.3799e-71.5744e-75.9044e-82.0846e-85.2207e-66.8706e-73.3186e-86.8321e-975.8211
FUSIOCHHHZ7.7784e-71.3095e-78.2011e-83.8083e-81.1842e-81.8839e-63.1207e-71.6152e-82.9707e-991.659
FUSIOCHHHN9.4647e-71.1758e-77.9845e-82.6954e-81.2743e-82.7393e-63.2309e-71.8244e-82.9225e-991.659
FUSIOCHHHE7.6011e-71.2419e-77.8789e-83.1475e-81.3316e-82.0823e-63.0479e-71.7564e-83.0872e-991.659
*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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