MANUAL Location - Area: Zona Genova , magnitude (ML): 0.5
2023-08-05 16:38:40 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2023-08-05 20:21:56

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Earthquake info - Manual location
Event - ID :230805163819
Magnitude (ML) :0.5 +/- 0.1
Origin Time :2023-08-05 16:38:40.968 (UTC)
Location : Latitude: 44.399 N, Longitude: 8.754 E
Area :Zona Genova
Depth (km) :2.38
Distances (km) : 5.3 --- Mele
5.6 --- Arenzano
8.8 --- Cogoleto
11.7 --- Genova
12.1 --- Masone
14.6 --- Varazze
16.1 --- Campo Ligure
16.2 --- Ceranesi
16.3 --- Campomorone
16.5 --- Urbe
17.7 --- Celle Ligure
18.7 --- Mignanego
19.0 --- Serra Ricco
19.2 --- Tiglieto
19.4 --- Sant Olcese
19.6 --- Rossiglione
20.4 --- Stella
20.4 --- Albisola Superiore
21.5 --- Albisola Marina
22.8 --- Sassello

Quality location estimate: Erh: 1.7 km, Erz: 1.8 km, Nf: 12, Gap: 157 °, Rms: 0.06


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.
GNVIT2023-08-05 16:38:44.4020.06020.091.272023-08-05 16:38:46.9700.40980.270.4914.8
RNCAGU2023-08-05 16:38:44.5600.01300.011.772023-08-05 16:38:47.0700.0591-0.031.4717.8
PCPGU2023-08-05 16:38:45.4800.0150-0.011.722023-08-05 16:38:48.6900.07420.081.2323.1
RNSIT2023-08-05 16:38:45.1620.0200-1.350.002023-08-05 16:38:48.6750.0400-1.770.0026.3
QLNOIV2023-08-05 16:38:47.9670.0200-0.011.632023-08-05 16:38:52.8900.1263-0.100.8933.6
MSSAIV2023-08-05 16:38:51.9680.02000.011.382023-08-05 16:39:00.3420.04000.490.1561.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
GNV ITHG0.531.52e-114.876
RNCA GUHH0.469.36e-217.863
PCP GUHH0.557.95e-223.1314
RNS ITHN0.718.22e-226.333
QLNO IVHH0.291.94e-233.6256


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.
(°)
GNV ITHGZ1.3266e-59.9692e-74.7913e-72.9754e-71.9763e-71.1518e-52.5430e-62.4740e-72.1647e-814.876
GNV ITHGN1.9821e-51.3134e-61.0682e-68.8152e-75.9556e-71.3176e-53.9614e-67.2584e-75.8604e-814.876
GNV ITHGE1.6714e-51.3666e-67.4885e-73.2670e-71.8233e-71.4157e-52.7031e-62.1824e-73.4200e-814.876
RNCA GUHHZ6.8555e-69.3872e-73.7697e-71.0771e-75.8552e-81.6768e-51.3507e-69.5970e-81.7211e-817.863
RNCA GUHHN7.6965e-61.1088e-65.5678e-71.7671e-71.0525e-71.8372e-52.8378e-61.7933e-73.2639e-817.863
RNCA GUHHE1.0317e-51.6058e-66.9173e-71.9888e-71.2583e-72.1950e-52.1428e-61.9787e-73.8656e-817.863
PCP GUHHZ4.3445e-65.4707e-73.5505e-71.2934e-75.8397e-88.8798e-61.6645e-68.3466e-81.4705e-823.1314
PCP GUHHN6.3520e-68.6365e-75.7685e-72.4798e-71.2555e-71.0945e-53.4188e-61.9107e-72.6800e-823.1314
PCP GUHHE6.2666e-69.9638e-73.4803e-79.0523e-85.1500e-88.2287e-61.9783e-68.3277e-82.0820e-823.1314
RNS ITHNZ6.6206e-69.4763e-74.8497e-72.8666e-71.5098e-71.1353e-52.3258e-61.7198e-71.8107e-826.333
RNS ITHNN4.6346e-66.5683e-76.1442e-73.5642e-71.7446e-71.0680e-53.2353e-62.1716e-72.1656e-826.333
RNS ITHNE5.5224e-69.7403e-79.3330e-73.7384e-71.6124e-71.1781e-54.5005e-62.1699e-72.6210e-826.333
QLNO IVHHZ1.0166e-61.5417e-79.3163e-82.5176e-82.1510e-83.4078e-64.6475e-73.7554e-83.8896e-933.6256
QLNO IVHHN1.2828e-61.8877e-71.0588e-73.1596e-82.2267e-82.8482e-65.1391e-73.5502e-85.2465e-933.6256
QLNO IVHHE1.2591e-62.5935e-71.3020e-75.6579e-89.1622e-83.3119e-65.1330e-71.8964e-71.7067e-833.6256
MSSA IVHHZ3.1005e-64.6429e-71.2994e-73.9107e-83.8259e-81.5187e-53.9920e-75.4924e-81.0912e-861.498
MSSA IVHHN4.1248e-65.6262e-72.2460e-75.1689e-83.4943e-82.1320e-55.6992e-75.4443e-81.4328e-861.498
MSSA IVHHE7.3641e-61.0771e-63.7198e-71.1258e-71.5169e-74.0883e-58.8368e-72.3958e-73.1256e-861.498
*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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