MANUAL Location - Area: Alpi Marittime , magnitude (ML): 0.2
2024-04-26 07:41:05 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-04-26 08:49:24

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Earthquake info - Manual location
Event - ID :240426074045
Magnitude (ML) :0.2 +/- 0.2
Origin Time :2024-04-26 07:41:05.911 (UTC)
Location : Latitude: 44.406 N, Longitude: 6.820 E
Area :Alpi Marittime
Depth (km) :7.58
Distances (km) : 9.4 --- Argentera
15.6 --- Acceglio
18.2 --- Pietraporzio
20.6 --- Prazzo
21.5 --- Sambuco
21.6 --- Canosio
22.5 --- Marmora
25.0 --- Bellino
26.1 --- Elva
26.8 --- Stroppo
28.5 --- Casteldelfino
29.2 --- Pontechianale
29.8 --- Celle di Macra
30.1 --- Vinadio
30.3 --- Macra
31.1 --- Castelmagno
33.3 --- Aisone
35.1 --- Sampeyre
35.7 --- San Damiano Macra
36.6 --- Pradleves

Quality location estimate: Erh: 1.5 km, Erz: 2.4 km, Nf: 16, Gap: 213 °, Rms: 0.16


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.
SURFFR2024-04-26 07:41:08.9640.05020.420.472024-04-26 07:41:10.4870.0400-0.011.6111.3
PZZGU2024-04-26 07:41:11.7270.02000.101.182024-04-26 07:41:14.9750.0400-0.760.0127.5
ISOFR2024-04-26 07:41:12.1660.02000.051.512024-04-26 07:41:15.9620.0400-0.320.4131.8
STVGU2024-04-26 07:41:14.1090.0200-0.101.372024-04-26 07:41:19.7740.0400-0.031.3844.8
ENRGU2024-04-26 07:41:15.4190.0200-0.081.402024-04-26 07:41:22.0320.04000.021.3152.2
RRLGU2024-04-26 07:41:16.6040.0200-0.091.362024-04-26 07:41:24.4230.04000.121.1358.1
BHBGU2024-04-26 07:41:17.2960.08030.530.352024-04-26 07:41:24.1590.0400-0.190.9659.8
TURFFR2024-04-26 07:41:18.5730.02000.400.532024-04-26 07:41:26.9710.04000.171.0266.5


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH0.012.57e-227.564
ISO FRHH-0.099.00e-331.8143
STV GUHH0.368.82e-344.8114
ENR GUHH0.501.81e-252.2112
RRL GUHH0.032.45e-358.1358
BHB GUHH0.194.42e-359.836
TURF FRHH0.508.02e-366.5136


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.
(°)
PZZ GUHHZ3.3439e-64.9643e-71.9210e-74.2713e-82.6695e-86.9431e-66.8415e-74.7980e-89.9661e-927.564
PZZ GUHHN3.6821e-65.1137e-72.0554e-75.9278e-83.3201e-89.1976e-66.5620e-75.7401e-81.1853e-827.564
PZZ GUHHE3.4123e-64.9528e-72.3672e-75.8781e-82.8954e-88.1552e-67.7440e-75.0360e-81.0298e-827.564
ISO FRHHZ2.0916e-62.3452e-75.8023e-81.6929e-81.0225e-83.2672e-62.1727e-72.0021e-84.8314e-931.8143
ISO FRHHN3.2345e-62.8108e-75.6212e-81.8236e-81.0377e-82.7595e-61.7558e-72.0929e-85.2067e-931.8143
ISO FRHHE2.3003e-62.1214e-75.9976e-82.2096e-81.4342e-83.1496e-62.1493e-72.1839e-84.5427e-931.8143
STV GUHHZ9.1540e-71.2851e-75.6957e-81.8649e-81.0283e-81.9593e-63.6567e-71.3747e-83.3876e-944.8114
STV GUHHN1.6545e-61.7037e-76.5984e-81.9174e-81.5483e-83.5080e-62.1684e-72.6608e-83.3441e-944.8114
STV GUHHE1.0601e-61.2915e-75.3106e-81.6109e-88.4355e-92.7538e-62.1830e-71.3916e-82.6802e-944.8114
ENR GUHHZ2.2498e-62.4022e-77.0965e-82.8117e-81.9404e-82.4296e-62.6531e-72.8752e-84.2677e-952.2112
ENR GUHHN6.4356e-65.9045e-71.2331e-74.6326e-83.0046e-85.8934e-65.5480e-75.2786e-81.1314e-852.2112
ENR GUHHE7.1221e-65.5939e-79.3803e-83.2990e-82.3234e-84.2956e-63.2349e-74.8682e-81.0948e-852.2112
RRL GUHHZ2.1540e-71.8651e-89.8819e-97.9403e-96.7430e-92.8525e-74.2296e-81.0214e-85.8879e-1058.1358
RRL GUHHN1.8516e-72.6849e-82.1824e-89.5460e-97.2700e-93.2269e-78.9084e-81.1306e-87.0845e-1058.1358
RRL GUHHE2.4985e-72.0316e-81.6768e-89.7170e-96.8530e-92.9106e-78.1638e-81.0130e-88.0307e-1058.1358
BHB GUHHZ5.8375e-77.2119e-84.1207e-81.8931e-88.9680e-92.1139e-61.7052e-71.2946e-81.5420e-959.836
BHB GUHHN4.6004e-76.2982e-83.9216e-81.8721e-88.6783e-99.9068e-72.7084e-71.2244e-81.4418e-959.836
BHB GUHHE5.5599e-76.9173e-83.9089e-82.2998e-81.0101e-81.1345e-61.8460e-71.1652e-81.7573e-959.836
TURF FRHHZ2.4800e-73.7458e-82.3367e-81.6227e-81.3329e-84.7941e-71.0226e-72.0168e-81.1351e-966.5136
TURF FRHHN2.9387e-76.3945e-84.1879e-83.5005e-85.2696e-81.0220e-62.1216e-77.9745e-88.2292e-966.5136
TURF FRHHE2.6186e-74.7655e-83.7927e-82.2124e-81.5529e-88.1188e-72.0553e-72.3293e-81.6445e-966.5136
*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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