MANUAL Location - Area: Mar Ligure , magnitude (ML): 1.0
2020-07-03 05:33:13 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2020-07-03 07:58:19

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Earthquake info - Manual location
Event - ID :200703053249
Magnitude (ML) :1.0 +/- 0.2
Origin Time :2020-07-03 05:33:13.633 (UTC)
Location : Latitude: 43.884 N, Longitude: 8.206 E
Area :Mar Ligure
Depth (km) :11.54
Distances (km) : 8.7 --- Cervo
9.1 --- Andora
9.8 --- San Bartolomeo al Mare
10.4 --- Diano Marina
11.5 --- Laigueglia
12.2 --- Diano Castello
12.3 --- Diano San Pietro
13.3 --- Villa Faraldi
14.0 --- Alassio
14.3 --- Imperia
15.3 --- Diano Arentino
16.9 --- Pontedassio
17.9 --- Stellanello
18.6 --- Albenga
18.9 --- Villanova d Albenga
19.0 --- Garlenda
19.6 --- Testico
19.6 --- San Lorenzo al Mare
19.7 --- Chiusanico
20.1 --- Chiusavecchia

Quality location estimate: Erh: 1.5 km, Erz: 2.2 km, Nf: 34, Gap: 237 °, Rms: 0.29


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.
IMIGU2020-07-03 05:33:18.2500.0110-0.530.742020-07-03 05:33:22.4500.0832-0.111.5628.1
ROROGU2020-07-03 05:33:19.2640.02000.031.492020-07-03 05:33:23.3100.20050.051.2930.2
CANOGU2020-07-03 05:33:20.5100.0170-0.171.492020-07-03 05:33:25.7960.04000.111.2938.1
MGROGU2020-07-03 05:33:20.3500.0211-0.570.712020-07-03 05:33:26.1600.1143-0.221.3438.7
GBOSGU2020-07-03 05:33:22.4420.0200-0.241.302020-07-03 05:33:29.7880.04000.750.2450.9
QLNOGU2020-07-03 05:33:22.7000.0241-0.610.612020-07-03 05:33:29.3900.3467-0.890.3651.7
BURYGU2020-07-03 05:33:23.3820.02000.300.682020-07-03 05:33:29.4400.1645-0.351.1054.5
SAOFFR2020-07-03 05:33:23.4300.02000.011.532020-07-03 05:33:30.5400.16450.051.2854.8
TURFFR2020-07-03 05:33:25.5300.0311-0.161.482020-07-03 05:33:34.4000.20160.081.1766.9
ESCAFR2020-07-03 05:33:25.6100.0321-0.081.572020-07-03 05:33:35.0240.04000.730.2868.2
ENRGU2020-07-03 05:33:26.9430.02000.300.742020-07-03 05:33:36.4820.04000.690.3174.8
PCPGU2020-07-03 05:33:27.3000.03810.111.272020-07-03 05:33:36.4000.4809-0.600.6878.9
STVGU2020-07-03 05:33:27.5000.0381-0.341.092020-07-03 05:33:37.1800.4188-0.570.7281.9
MVIFFR2020-07-03 05:33:29.8930.02001.250.082020-07-03 05:33:39.3200.2747-0.111.1285.2
ISOFR2020-07-03 05:33:30.8600.02000.031.412020-07-03 05:33:43.9540.13031.140.1699.0
PZZGU2020-07-03 05:33:32.7700.0532-0.051.422020-07-03 05:33:46.5490.13030.031.12111.8
SURFFR2020-07-03 05:33:35.7200.0623-0.161.332020-07-03 05:33:51.5390.1303-0.251.04129.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
IMI GUHH0.719.64e-228.1277
RORO GUHH0.961.21e-130.2336
CANO GUHH0.885.92e-238.14
MGRO GUHH0.784.57e-238.7299
GBOS GUHH0.851.58e-250.9324
QLNO GUHH1.145.87e-251.713
BURY GUHH0.993.79e-254.5258
SAOF FRHH0.772.21e-254.8283
ENR GUHH1.274.99e-274.8302
PCP GUHH1.062.18e-278.920
STV GUHH1.432.89e-281.9300
ISO FRHH1.021.07e-299.0290
PZZ GUHH1.383.13e-2111.8309


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.
(°)
IMI GUHHZ9.7859e-61.0460e-64.3359e-71.5337e-76.6097e-81.3837e-51.7807e-61.0014e-72.0297e-828.1277
IMI GUHHN2.2139e-52.1476e-68.9719e-72.3122e-71.2652e-72.0951e-55.1607e-62.1980e-74.0803e-828.1277
IMI GUHHE1.5517e-52.0302e-66.7206e-71.7817e-71.0122e-73.1416e-53.1779e-61.9297e-74.5913e-828.1277
RORO GUHHZ2.2298e-51.8390e-63.8298e-71.0060e-75.7135e-82.7846e-51.3041e-61.1844e-73.4752e-830.2336
RORO GUHHN2.6318e-52.1018e-64.2382e-71.0133e-76.2746e-82.8356e-51.3503e-61.4945e-73.8039e-830.2336
RORO GUHHE3.8883e-53.3497e-67.0448e-73.6340e-72.1354e-74.1873e-53.0779e-63.4933e-75.8701e-830.2336
CANO GUHHZ1.0865e-59.0393e-73.0477e-77.6738e-84.0821e-81.0927e-51.1103e-66.8171e-81.6358e-838.14
CANO GUHHN9.5115e-61.1998e-65.5706e-71.2949e-76.7965e-81.7597e-52.5999e-61.1849e-72.5204e-838.14
CANO GUHHE9.2388e-61.1956e-65.1991e-71.7266e-78.8051e-81.7696e-52.1660e-61.4381e-72.3797e-838.14
MGRO GUHHZ1.1463e-51.3853e-62.2047e-78.3059e-83.4125e-87.2110e-69.9913e-76.0144e-81.1689e-838.7299
MGRO GUHHN6.5703e-68.3308e-73.4548e-79.4729e-84.6469e-81.5426e-51.6381e-67.4111e-81.7561e-838.7299
MGRO GUHHE6.4560e-69.3581e-73.6753e-71.1367e-75.6690e-81.7388e-51.6828e-69.5975e-81.9510e-838.7299
GBOS GUHHZ2.1896e-62.6595e-71.1627e-73.9342e-81.7597e-85.0833e-65.5729e-72.8998e-85.6996e-950.9324
GBOS GUHHN2.9343e-63.1895e-71.3252e-74.8939e-83.1356e-86.1217e-64.9125e-74.7116e-87.5311e-950.9324
GBOS GUHHE3.1594e-62.7803e-71.0759e-73.0773e-81.5781e-83.9876e-64.6082e-72.4065e-84.7999e-950.9324
QLNO GUHHZ5.9789e-66.0884e-72.5234e-71.1583e-74.6744e-86.7658e-61.0299e-66.5362e-81.0889e-851.713
QLNO GUHHN1.0752e-59.7564e-73.6552e-71.0235e-74.8918e-81.3063e-51.5196e-67.1661e-82.2109e-851.713
QLNO GUHHE1.0628e-59.3816e-74.1646e-72.0413e-77.4787e-81.6696e-51.6036e-61.1371e-71.9546e-851.713
BURY GUHHZ5.0550e-64.9609e-71.9905e-76.1617e-83.4561e-81.0271e-58.9046e-75.7291e-81.0979e-854.5258
BURY GUHHN1.1420e-51.0714e-62.7593e-78.3679e-84.8655e-81.1405e-51.0013e-69.7589e-82.3376e-854.5258
BURY GUHHE9.4730e-68.3447e-72.9094e-71.5173e-71.0549e-71.2495e-51.5753e-61.7447e-71.8845e-854.5258
SAOF FRHHZ2.6437e-64.0259e-71.7744e-76.0803e-82.3632e-85.4311e-67.9363e-74.1115e-87.5203e-954.8283
SAOF FRHHN4.0461e-63.9108e-71.9527e-76.7710e-85.3042e-87.2582e-68.9002e-79.2053e-89.2000e-954.8283
SAOF FRHHE5.8376e-65.3570e-71.8090e-76.4886e-83.1962e-85.7054e-67.4607e-75.3954e-81.0969e-854.8283
ENR GUHHZ4.6762e-64.4548e-71.7101e-75.2304e-82.4707e-88.8374e-68.7440e-74.3774e-88.9396e-974.8302
ENR GUHHN1.8828e-51.6740e-63.3342e-78.6945e-84.8924e-81.8156e-51.6853e-61.1225e-73.4248e-874.8302
ENR GUHHE1.7205e-51.4933e-62.5773e-79.1336e-85.1956e-81.3486e-59.3376e-71.1385e-72.8464e-874.8302
PCP GUHHZ1.8603e-61.9323e-71.2351e-74.3992e-81.7529e-83.2551e-65.7827e-72.8863e-85.0396e-978.920
PCP GUHHN2.7345e-63.6335e-71.6640e-75.5634e-82.4152e-86.6405e-65.2751e-74.0406e-88.0911e-978.920
PCP GUHHE2.7021e-63.8889e-71.8917e-78.1018e-83.0991e-87.1527e-66.8046e-73.9597e-88.8936e-978.920
STV GUHHZ2.9873e-63.7247e-71.9789e-77.3923e-83.4415e-85.8314e-67.4088e-75.3563e-88.6484e-981.9300
STV GUHHN3.3909e-63.6599e-72.6237e-79.4170e-83.9932e-84.6738e-61.4082e-65.9529e-89.2298e-981.9300
STV GUHHE4.7040e-65.0257e-72.2960e-76.1189e-83.2420e-89.3290e-61.2215e-65.3796e-81.0095e-881.9300
ISO FRHHZ8.4563e-78.2241e-84.6900e-82.0333e-81.1471e-81.5648e-62.0449e-71.4708e-81.8493e-999.0290
ISO FRHHN1.1671e-61.5679e-78.4580e-83.7170e-82.2598e-81.8878e-64.0660e-73.1956e-84.0223e-999.0290
ISO FRHHE8.1125e-79.5520e-84.8371e-81.7590e-81.1903e-81.4055e-62.3877e-71.8137e-82.1092e-999.0290
PZZ GUHHZ1.3252e-63.2513e-72.6790e-78.1995e-83.4941e-83.4634e-62.2197e-64.7230e-88.6117e-9111.8309
PZZ GUHHN1.5130e-62.8277e-72.7532e-79.6049e-84.8018e-83.8850e-62.5110e-67.3396e-89.8628e-9111.8309
PZZ GUHHE1.2084e-62.3778e-72.1793e-78.4328e-84.1238e-83.9199e-61.1179e-67.1596e-87.8227e-9111.8309
*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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