MANUAL Location - Area: Appennino ligure , magnitude (ML): 0.6
2020-07-05 14:32:48 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2020-07-06 09:40:06

RSNI Logo

Earthquake info - Manual location
Event - ID :200705143239
Magnitude (ML) :0.6 +/- 0.2
Origin Time :2020-07-05 14:32:48.547 (UTC)
Location : Latitude: 44.930 N, Longitude: 8.804 E
Area :Appennino ligure
Depth (km) :34.46
Distances (km) : 5.9 --- Tortona
6.0 --- Sale
6.4 --- Piovera
7.8 --- Alluvioni Cambio
8.5 --- Castelnuovo Scrivia
8.8 --- Rivarone
9.4 --- Viguzzolo
9.6 --- Montecastello
9.9 --- Bassignana
10.0 --- Guazzora
10.2 --- Carbonara Scrivia
10.6 --- Pietra Marazzi
10.7 --- Pontecurone
10.9 --- Sarezzano
11.0 --- Villaromagnano
11.5 --- Spineto Scrivia
11.6 --- Castellar Guidobono
11.6 --- Gambarana
11.6 --- Alzano Scrivia
11.8 --- Isola Sant Antonio

Quality location estimate: Erh: 1.5 km, Erz: 1.4 km, Nf: 10, Gap: 185 °, Rms: 0.10


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.
ROTMGU2020-07-05 14:32:57.4730.10040.041.232020-07-05 14:33:03.8790.2005-0.040.9750.5
PCPGU2020-07-05 14:32:58.6530.0200-0.031.282020-07-05 14:33:06.0470.04000.021.1459.4
GORRGU2020-07-05 14:32:59.7560.06020.051.232020-07-05 14:33:08.0070.1604-0.160.8763.3
QLNOGU2020-07-05 14:33:03.0300.10040.270.642020-07-05 14:33:13.2120.1604-0.220.7484.1
TRAVGU2020-07-05 14:33:05.2580.0803-0.051.112020-07-05 14:33:17.8270.1604-0.130.79110.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
ROTM GUHH0.769.79e-250.5256
PCP GUHH0.418.95e-359.4205
GORR GUHH0.912.27e-263.3133
QLNO GUHH0.444.11e-384.1208


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.
(°)
ROTM GUHHZ4.9909e-65.5081e-74.0245e-72.0431e-77.4743e-88.2789e-62.4568e-61.0040e-71.3003e-850.5256
ROTM GUHHN7.0354e-61.3061e-68.3305e-75.0983e-72.9312e-71.9670e-54.7528e-64.1162e-74.5717e-850.5256
ROTM GUHHE6.8333e-68.2957e-75.6881e-73.2183e-71.3764e-78.9524e-63.1221e-61.4886e-72.0614e-850.5256
PCP GUHHZ5.9608e-78.9594e-85.4501e-81.7339e-81.0274e-89.2898e-72.5694e-71.3421e-82.2994e-959.4205
PCP GUHHN7.9010e-71.2768e-78.1345e-82.3701e-81.1972e-82.2011e-63.8408e-72.1158e-83.0767e-959.4205
PCP GUHHE9.8607e-71.4503e-75.3926e-81.5512e-89.3224e-92.1329e-61.9016e-71.2574e-83.1014e-959.4205
GORR GUHHZ1.3562e-61.4092e-71.1031e-77.9214e-83.8664e-81.9148e-66.1649e-74.8617e-86.6086e-963.3133
GORR GUHHN1.2164e-61.8508e-71.8816e-77.1322e-82.6195e-82.5149e-61.1013e-63.4426e-84.6295e-963.3133
GORR GUHHE1.0106e-62.1969e-72.1567e-77.1215e-84.0913e-83.6919e-69.1724e-75.6874e-87.3711e-963.3133
QLNO GUHHZ2.8814e-75.7345e-83.5459e-82.5234e-83.4243e-88.3992e-71.3956e-76.3688e-84.9137e-984.1208
QLNO GUHHN4.6802e-76.0848e-83.8118e-81.7957e-89.9493e-91.0314e-61.4554e-71.4231e-81.4748e-984.1208
QLNO GUHHE4.6257e-75.9037e-83.7000e-81.5248e-81.0436e-87.0724e-71.9280e-71.6003e-81.3747e-984.1208
TRAV GUHHZ1.7230e-61.9750e-78.2756e-82.3532e-81.3404e-83.0771e-64.1120e-72.2316e-85.1275e-9110.9308
TRAV GUHHN4.7259e-65.9818e-71.2824e-74.3705e-82.6908e-86.5103e-64.3205e-75.1042e-81.2954e-8110.9308
TRAV GUHHE3.4713e-64.0753e-71.3787e-74.3649e-82.2842e-88.4457e-68.0435e-74.1831e-88.9563e-9110.9308
*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)

rsni