MANUAL Location - Area: Zona Genova , magnitude (ML): 0.7
2023-08-05 12:48:39 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2023-08-05 20:06:21

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Earthquake info - Manual location
Event - ID :230805124757
Magnitude (ML) :0.7 +/- 0.1
Origin Time :2023-08-05 12:48:39.322 (UTC)
Location : Latitude: 44.420 N, Longitude: 8.763 E
Area :Zona Genova
Depth (km) :5.63
Distances (km) : 3.3 --- Mele
6.5 --- Arenzano
10.0 --- Cogoleto
10.2 --- Masone
10.7 --- Genova
14.1 --- Ceranesi
14.1 --- Campomorone
14.1 --- Campo Ligure
15.9 --- Urbe
16.1 --- Varazze
16.6 --- Mignanego
17.0 --- Serra Ricco
17.7 --- Sant Olcese
17.8 --- Rossiglione
17.8 --- Tiglieto
19.2 --- Celle Ligure
21.3 --- Stella
21.3 --- Fraconalto
22.0 --- Albisola Superiore
22.3 --- Busalla

Quality location estimate: Erh: 0.8 km, Erz: 0.8 km, Nf: 14, Gap: 140 °, Rms: 0.12


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.
RNCAGU2023-08-05 12:48:42.6400.03410.011.932023-08-05 12:48:44.6900.0611-0.290.5017.0
GENLGU2023-08-05 12:48:42.8850.02000.071.612023-08-05 12:48:45.2770.0400-0.031.7417.4
PCPGU2023-08-05 12:48:43.6200.0130-0.021.882023-08-05 12:48:46.8100.07620.161.0422.9
QLNOIV2023-08-05 12:48:46.1410.0200-0.041.712023-08-05 12:48:50.8370.1002-0.340.5935.3
GORRGU2023-08-05 12:48:47.5000.0723-0.370.452023-08-05 12:48:52.8200.1995-1.230.0047.3
CANOGU2023-08-05 12:48:49.6650.06021.440.002023-08-05 12:48:54.8570.04000.151.1248.4
MSSAIV2023-08-05 12:48:50.3370.02000.420.172023-08-05 12:48:57.6140.04000.071.2561.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
RNCA GUHH0.561.28e-117.069
GENL GUEH0.581.29e-117.495
PCP GUHH0.681.08e-122.9308
QLNO IVHH0.563.28e-235.3252
GORR GUHH0.652.28e-247.363
CANO GUHH0.954.33e-248.4241


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.
(°)
RNCA GUHHZ9.7441e-61.1590e-64.6912e-71.2904e-77.2658e-81.6697e-52.1942e-61.1681e-72.5087e-817.069
RNCA GUHHN1.6839e-52.4183e-69.4502e-73.7506e-72.2196e-73.6690e-54.2502e-63.2733e-76.6162e-817.069
RNCA GUHHE1.2702e-51.4836e-68.2018e-72.0821e-71.1365e-72.4548e-52.9435e-61.8012e-73.4554e-817.069
GENL GUEHZ1.7694e-51.9231e-63.8144e-71.7221e-78.1929e-81.8812e-51.6847e-61.1660e-72.4271e-817.495
GENL GUEHN1.3391e-51.7279e-68.4609e-72.6832e-71.9653e-72.8390e-53.1327e-62.9194e-74.2781e-817.495
GENL GUEHE1.5616e-52.3848e-61.1318e-63.0605e-71.6084e-74.0017e-53.0377e-62.6250e-75.8273e-817.495
PCP GUHHZ7.7154e-61.0637e-63.9668e-71.6753e-79.7846e-81.1447e-51.7641e-61.4964e-71.6901e-822.9308
PCP GUHHN8.4180e-61.3117e-67.6200e-73.4363e-71.6409e-71.6785e-54.8294e-62.4474e-73.4342e-822.9308
PCP GUHHE4.9731e-67.3536e-74.0362e-79.7947e-85.9295e-81.5355e-52.1108e-69.5518e-81.6843e-822.9308
QLNO IVHHZ6.8215e-68.7443e-71.9951e-76.9688e-84.2588e-86.7731e-69.2467e-77.3183e-81.7136e-835.3252
QLNO IVHHN7.5712e-69.6462e-72.1166e-78.2128e-84.2179e-87.8854e-69.2438e-77.8621e-81.8944e-835.3252
QLNO IVHHE3.8886e-65.1034e-71.4749e-75.1512e-82.5208e-83.5745e-66.1433e-74.7118e-81.0733e-835.3252
GORR GUHHZ1.3382e-61.9447e-71.2593e-74.8013e-82.4382e-83.6021e-66.7527e-73.7563e-84.6390e-947.363
GORR GUHHN1.4636e-62.7897e-71.8129e-77.6544e-83.7844e-83.2140e-68.7830e-75.5471e-87.0508e-947.363
GORR GUHHE3.1995e-65.0416e-72.5150e-78.0243e-83.8767e-85.3213e-68.3735e-75.9961e-88.3539e-947.363
CANO GUHHZ1.4434e-51.3542e-61.9417e-76.7619e-85.7601e-85.8436e-67.9574e-71.1467e-72.0568e-848.4241
CANO GUHHN1.4052e-51.1933e-63.0214e-71.2240e-74.9219e-86.9024e-61.9038e-67.7908e-82.2628e-848.4241
CANO GUHHE5.0104e-65.1873e-74.1028e-71.4414e-79.0570e-85.9311e-62.5467e-61.3025e-71.6678e-848.4241
MSSA IVHHZ4.7002e-66.9849e-71.9604e-75.2216e-84.3911e-82.3781e-55.8639e-78.4758e-81.5806e-861.4101
MSSA IVHHN6.4985e-61.0810e-63.6491e-78.1641e-85.7011e-83.2123e-51.0035e-61.0250e-72.4305e-861.4101
MSSA IVHHE1.2781e-51.8087e-65.7198e-71.3959e-78.9842e-85.2175e-51.5370e-61.6327e-74.0220e-861.4101
*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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