MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.5
2024-07-25 12:37:28 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-07-25 16:35:28

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Earthquake info - Manual location
Event - ID :240725123703
Magnitude (ML) :0.5 +/- 0.2
Origin Time :2024-07-25 12:37:28.006 (UTC)
Location : Latitude: 44.553 N, Longitude: 6.853 E
Area :Alpi Cozie
Depth (km) :1.27
Distances (km) : 13.4 --- Bellino
13.8 --- Acceglio
15.9 --- Pontechianale
17.7 --- Casteldelfino
17.7 --- Prazzo
18.5 --- Argentera
18.8 --- Elva
21.1 --- Canosio
21.7 --- Marmora
22.3 --- Stroppo
26.5 --- Macra
26.9 --- Sampeyre
27.0 --- Celle di Macra
27.2 --- Pietraporzio
29.2 --- Crissolo
29.5 --- Sambuco
30.1 --- Oncino
30.9 --- Ostana
32.6 --- Castelmagno
32.7 --- San Damiano Macra

Quality location estimate: Erh: 0.8 km, Erz: 0.5 km, Nf: 20, Gap: 114 °, Rms: 0.14


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.
SURFFR2024-07-25 12:37:30.5900.00900.410.312024-07-25 12:37:31.7500.0310-0.051.708.7
PZZGU2024-07-25 12:37:32.7400.01500.051.632024-07-25 12:37:36.0500.0651-0.081.5221.6
OGAGFR2024-07-25 12:37:35.1900.02000.001.752024-07-25 12:37:40.3270.04000.131.2036.1
RRLGU2024-07-25 12:37:36.0400.0301-0.240.772024-07-25 12:37:41.7960.2476-0.141.0241.4
ISOFR2024-07-25 12:37:35.8780.0200-0.740.052024-07-25 12:37:42.6780.10020.071.2943.9
BHBGU2024-07-25 12:37:36.8850.02000.021.672024-07-25 12:37:40.5800.4048-2.430.0045.2
ENRGU2024-07-25 12:37:38.6810.0200-0.051.592024-07-25 12:37:46.6410.04000.370.5757.6
RSPGU2024-07-25 12:37:41.5550.0200-0.211.012024-07-25 12:37:51.4760.04000.041.1873.8
PIAFFR2024-07-25 12:37:43.3240.02000.990.012024-07-25 12:37:52.1900.0400-0.250.9077.8
GBOSGU2024-07-25 12:37:43.5970.10040.191.012024-07-25 12:37:53.9380.2747-0.190.8485.7


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH0.641.69e-121.6104
OGAG FRHH0.482.66e-236.1317
RRL GUHH0.652.00e-241.4353
ISO FRHH0.291.15e-243.9159
BHB GUHH0.411.30e-245.246
ENR GUHH0.823.14e-257.6128
RSP GUHH0.274.00e-373.826
PIAF FRHH0.771.04e-277.8128


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 GUHHZ1.1093e-51.6464e-61.0533e-63.8930e-72.2839e-72.4713e-55.4643e-63.1991e-74.1315e-821.6104
PZZ GUHHN1.3613e-51.6085e-61.2891e-64.4712e-72.3900e-72.0119e-56.0302e-63.1698e-74.2989e-821.6104
PZZ GUHHE1.6576e-51.9965e-61.4128e-65.4413e-72.9146e-72.2716e-57.9577e-64.0279e-75.8060e-821.6104
OGAG FRHHZ7.3564e-71.8958e-71.8873e-71.2052e-77.3891e-81.9575e-69.0552e-71.0620e-75.8645e-936.1317
OGAG FRHHN5.6866e-72.0211e-71.5305e-71.4726e-71.3344e-71.6925e-67.0460e-71.9811e-78.8772e-936.1317
OGAG FRHHE8.0296e-72.4371e-72.1135e-71.5100e-77.2863e-81.3000e-61.1543e-68.6554e-88.1554e-936.1317
RRL GUHHZ7.8236e-71.2677e-71.0626e-77.0321e-82.7302e-82.1327e-66.0470e-73.1515e-83.8915e-941.4353
RRL GUHHN1.0695e-62.5561e-72.0509e-76.2760e-83.0306e-84.1613e-69.3787e-73.8356e-86.2591e-941.4353
RRL GUHHE7.9472e-71.9945e-71.7315e-76.5670e-82.8535e-82.5890e-68.9788e-73.7197e-85.0274e-941.4353
ISO FRHHZ7.3386e-71.4126e-78.4749e-83.2856e-81.9413e-82.0854e-63.7190e-72.4033e-83.4930e-943.9159
ISO FRHHN7.1287e-71.0897e-78.7856e-83.0438e-81.7170e-81.5966e-64.5810e-72.2595e-82.9752e-943.9159
ISO FRHHE7.3330e-71.2694e-71.1410e-74.4935e-82.3115e-82.0111e-67.9982e-72.6528e-83.5826e-943.9159
BHB GUHHZ1.9804e-62.3129e-71.2801e-74.6021e-82.7155e-86.0551e-64.0196e-74.6404e-84.9408e-945.246
BHB GUHHN1.0538e-61.5564e-71.1580e-73.7508e-81.9803e-81.9068e-64.2613e-73.1134e-83.3741e-945.246
BHB GUHHE1.1364e-62.0225e-71.2937e-75.4168e-82.4725e-82.8880e-65.6706e-74.0648e-85.4324e-945.246
ENR GUHHZ1.5383e-62.4884e-71.5873e-77.9320e-83.9489e-84.1634e-69.0070e-76.4001e-86.4041e-957.6128
ENR GUHHN3.5430e-65.3932e-73.0952e-71.1336e-74.7332e-87.2775e-62.6359e-67.2388e-81.3874e-857.6128
ENR GUHHE3.4080e-65.6764e-72.6417e-78.1893e-84.2071e-86.6691e-61.9715e-65.5203e-81.3264e-857.6128
RSP GUHHZ3.5353e-73.8390e-82.1399e-81.0494e-85.0920e-95.8122e-71.1209e-76.6282e-97.2446e-1073.826
RSP GUHHN2.7951e-75.0590e-83.8102e-82.3886e-81.4586e-81.0028e-61.6907e-71.9964e-81.3309e-973.826
RSP GUHHE2.9844e-75.3595e-83.4864e-81.4436e-81.2877e-88.9000e-71.6188e-72.4266e-81.7834e-973.826
PIAF FRHHZ4.5048e-71.0124e-78.8861e-85.9452e-85.1937e-81.0579e-64.4307e-78.2352e-86.2999e-977.8128
PIAF FRHHN4.4772e-71.1655e-79.6073e-84.3828e-82.7252e-81.3038e-64.5264e-74.4093e-83.0696e-977.8128
PIAF FRHHE3.9845e-77.3089e-87.0612e-82.9015e-81.6853e-81.4660e-64.6700e-72.3626e-82.4705e-977.8128
GBOS GUHHZ5.5229e-71.7071e-71.1738e-73.8489e-81.9653e-81.1541e-65.1685e-72.6686e-83.8594e-985.7113
GBOS GUHHN4.3815e-71.2527e-71.1434e-75.2292e-82.7950e-89.9124e-78.9365e-73.8051e-84.1145e-985.7113
GBOS GUHHE4.9419e-71.6441e-71.3494e-75.5665e-82.9301e-81.5931e-61.0915e-64.3036e-85.3179e-985.7113
*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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