MANUAL Location - Area: Appennino forlivese , magnitude (ML): 2.3
2020-07-04 03:22:12 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2020-07-06 08:29:45

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Earthquake info - Manual location
Event - ID :200704032107
Magnitude (ML) :2.3 +/- 0.2
Origin Time :2020-07-04 03:22:12.714 (UTC)
Location : Latitude: 44.160 N, Longitude: 11.634 E
Area :Appennino forlivese
Depth (km) :26.68
Distances (km) : 7.2 --- Casola Valsenio
8.5 --- Palazzuolo sul Senio
9.4 --- Marradi
11.8 --- Castel del Rio
12.4 --- Tredozio
12.6 --- Fontanelice
12.7 --- Modigliana
13.4 --- Brisighella
13.8 --- Borgo Tossignano
14.8 --- Riolo Terme
15.5 --- Casalfiumanese
19.1 --- Portico e San Benedetto
20.0 --- Rocca San Casciano
20.7 --- Dovadola
20.7 --- Firenzuola
22.2 --- Castel Bolognese
22.3 --- Dozza
22.6 --- Imola
23.2 --- Premilcuore
24.4 --- Faenza

Quality location estimate: Erh: 1.2 km, Erz: 0.7 km, Nf: 32, Gap: 126 °, Rms: 0.25


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.
LMDIV2020-07-04 03:22:18.1300.0140-0.520.562020-07-04 03:22:22.2700.0892-0.960.2528.8
IMOLIV2020-07-04 03:22:19.3200.0904-0.520.592020-07-04 03:22:25.4340.2987-0.111.2135.7
MTRZIV2020-07-04 03:22:19.6600.0190-0.021.812020-07-04 03:22:25.4750.11630.281.0736.1
SEIIV2020-07-04 03:22:19.6100.0190-0.031.772020-07-04 03:22:25.0150.1233-0.031.5636.9
RUFIIV2020-07-04 03:22:21.5400.02310.151.572020-07-04 03:22:27.9190.14940.041.4945.7
ASQUIV2020-07-04 03:22:22.3200.02910.121.672020-07-04 03:22:29.4780.04000.001.5950.5
POPMGU2020-07-04 03:22:26.3700.03910.111.622020-07-04 03:22:36.3620.0400-0.131.3276.1
RAVAIV2020-07-04 03:22:28.7000.0422-1.050.232020-07-04 03:22:41.7090.2496-1.060.3082.2
CSNTIV2020-07-04 03:22:27.9900.15470.011.482020-07-04 03:22:38.6670.2737-0.530.7585.4
GSCLGU2020-07-04 03:22:29.6780.0803-0.141.352020-07-04 03:22:42.9540.13030.510.6390.1
CAVEIV2020-07-04 03:22:30.2860.0602-1.780.022020-07-04 03:22:42.6270.1303-4.070.0096.7
CARDGU2020-07-04 03:22:29.1020.05020.101.562020-07-04 03:22:43.2540.10022.210.0097.0
MAIMGU2020-07-04 03:22:29.3300.0512-0.061.522020-07-04 03:22:41.4060.1604-0.350.9699.0
SARMGU2020-07-04 03:22:30.5510.10040.291.072020-07-04 03:22:44.0860.20050.810.27102.1
PIIIV2020-07-04 03:22:30.1200.0542-0.241.122020-07-04 03:22:43.2120.2005-0.480.80104.7
EQUIGU2020-07-04 03:22:33.0700.06230.410.752020-07-04 03:22:47.3540.16040.111.11121.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
MTRZ IVHH2.543.01e+036.1316
GSCL GUHH2.332.72e-190.1285
CARD GUHH2.071.28e-197.0261


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.
(°)
MTRZ IVHHZ3.7385e-59.4005e-68.6601e-64.5245e-61.8487e-68.5451e-56.6263e-52.4865e-63.0383e-736.1316
MTRZ IVHHN7.7620e-52.1250e-52.2890e-58.9355e-63.8204e-62.1029e-41.7446e-44.8530e-66.0840e-736.1316
MTRZ IVHHE8.3870e-52.6248e-52.5835e-51.2874e-56.5283e-61.9600e-41.7357e-47.7051e-69.4785e-736.1316
SEI IVHHZ1.3346e-43.3477e-53.4054e-52.0536e-59.4395e-61.7484e-41.7828e-41.2582e-51.2271e-636.9242
SEI IVHHN2.6395e-48.9257e-59.0789e-56.4292e-52.9517e-55.5538e-44.6817e-43.8646e-53.7829e-636.9242
SEI IVHHE9.8741e-53.9214e-53.8828e-52.8350e-51.1096e-52.0049e-41.7003e-41.4315e-51.3352e-636.9242
ASQU IVHHZ7.8816e-62.2853e-62.2740e-61.4537e-67.5683e-72.0098e-51.5197e-58.8219e-77.3154e-850.5163
ASQU IVHHN9.2419e-63.5093e-63.5637e-62.2026e-61.4588e-62.6538e-52.4603e-52.3121e-61.0393e-750.5163
ASQU IVHHE9.5837e-63.3874e-63.3505e-61.7747e-66.9311e-72.2186e-52.6793e-59.5288e-71.1296e-750.5163
POPM GUHHZ6.1437e-61.0621e-61.0598e-67.0754e-74.3285e-71.7598e-56.6775e-66.0257e-74.3525e-876.1260
POPM GUHHN7.5558e-62.3204e-62.1725e-61.0415e-65.7152e-71.8360e-51.2754e-56.1333e-76.9059e-876.1260
POPM GUHHE6.0352e-61.8485e-61.7987e-68.2107e-73.9497e-71.2215e-51.3636e-54.5964e-75.5344e-876.1260
GSCL GUHHZ2.4986e-68.7329e-76.2441e-75.4904e-72.5788e-74.5620e-63.1873e-62.8166e-72.2044e-890.1285
GSCL GUHHN3.2338e-61.8990e-61.3860e-61.8857e-69.2294e-76.0657e-68.1482e-69.0183e-77.8238e-890.1285
GSCL GUHHE2.5852e-61.0073e-61.0826e-68.0513e-73.9505e-73.6735e-67.7178e-63.9583e-74.1389e-890.1285
CARD GUHHZ3.5602e-65.5849e-74.4058e-72.2671e-71.0345e-71.4324e-52.3346e-61.2542e-71.4089e-897.0261
CARD GUHHN5.9674e-61.4142e-61.3321e-66.5044e-72.3822e-72.4682e-56.9748e-63.0178e-74.3995e-897.0261
CARD GUHHE4.6201e-61.1131e-68.9609e-74.9527e-72.0359e-71.7775e-53.1712e-62.2590e-72.8708e-897.0261
MAIM GUHHZ1.2767e-65.0518e-74.8681e-73.3041e-71.4439e-74.9720e-63.5385e-61.6033e-71.7427e-899.0254
MAIM GUHHN1.3109e-64.7498e-75.4291e-73.4166e-71.6795e-73.6483e-63.2458e-62.0136e-71.8947e-899.0254
MAIM GUHHE2.4726e-61.0237e-68.5447e-74.5801e-72.0551e-74.8284e-66.4711e-62.8128e-73.0406e-899.0254
SARM GUEHZ1.0187e-63.9301e-74.3568e-72.7512e-71.1778e-74.3300e-62.8797e-61.6554e-71.3897e-8102.1272
SARM GUEHN1.6472e-68.3096e-76.7803e-75.8551e-72.2578e-73.9971e-62.5054e-62.8294e-72.4974e-8102.1272
SARM GUEHE1.6219e-68.2164e-77.4549e-76.8444e-73.0221e-72.5341e-64.3628e-63.6573e-72.7708e-8102.1272
PII IVHHZ2.1575e-67.5874e-77.4100e-72.7546e-71.0311e-74.6789e-65.2378e-61.4886e-72.2545e-8104.7242
PII IVHHN2.0427e-66.5719e-76.5474e-72.7585e-71.2304e-73.7642e-66.0702e-61.3584e-71.8998e-8104.7242
PII IVHHE1.9081e-67.2824e-77.1825e-74.0490e-71.7945e-73.2041e-64.7663e-62.4008e-72.3004e-8104.7242
EQUI GUHHZ1.8595e-63.0560e-73.0586e-72.3238e-71.3266e-75.0827e-61.4596e-61.7311e-71.0298e-8121.1271
EQUI GUHHN5.0404e-71.3846e-71.4325e-79.4386e-84.7741e-82.2337e-69.5743e-75.9236e-84.5640e-9121.1271
EQUI GUHHE1.2261e-63.5162e-73.7079e-72.1333e-71.1868e-72.7725e-62.5209e-61.4466e-71.0858e-8121.1271
*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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