MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.6
2020-07-04 02:16:03 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2020-07-06 08:14:46

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Earthquake info - Manual location
Event - ID :200704021537
Magnitude (ML) :0.6 +/- 0.2
Origin Time :2020-07-04 02:16:03.242 (UTC)
Location : Latitude: 44.465 N, Longitude: 6.963 E
Area :Alpi Cozie
Depth (km) :5.96
Distances (km) : 2.5 --- Acceglio
7.6 --- Prazzo
7.8 --- Argentera
9.5 --- Canosio
10.4 --- Marmora
13.1 --- Elva
13.7 --- Bellino
13.8 --- Stroppo
14.4 --- Pietraporzio
16.4 --- Casteldelfino
16.5 --- Sambuco
17.3 --- Celle di Macra
17.5 --- Macra
18.3 --- Pontechianale
20.6 --- Castelmagno
22.0 --- Sampeyre
23.3 --- San Damiano Macra
24.1 --- Vinadio
25.6 --- Pradleves
25.7 --- Cartignano

Quality location estimate: Erh: 1 km, Erz: 1 km, Nf: 32, Gap: 110 °, Rms: 0.37


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.
SURFFR2020-07-04 02:16:05.7800.0060-0.491.052020-07-04 02:16:07.5800.0350-0.960.4813.5
PZZGU2020-07-04 02:16:06.6600.0080-0.011.682020-07-04 02:16:08.1500.0481-1.030.4314.9
ISOFR2020-07-04 02:16:09.5700.01700.041.552020-07-04 02:16:13.0700.3027-0.710.7532.7
STVGU2020-07-04 02:16:10.2900.0200-0.021.602020-07-04 02:16:14.9590.1203-0.221.1738.4
ENRGU2020-07-04 02:16:11.0360.0200-0.441.062020-07-04 02:16:16.6270.2657-0.530.9245.2
BHBGU2020-07-04 02:16:12.0900.02410.031.502020-07-04 02:16:17.7900.2807-0.440.9948.0
OGAGFR2020-07-04 02:16:12.4790.08030.031.392020-07-04 02:16:18.4440.1604-0.550.8949.4
RRLGU2020-07-04 02:16:12.7900.0261-0.421.052020-07-04 02:16:18.9700.3848-1.330.2653.2
TURFFR2020-07-04 02:16:15.2890.02000.121.102020-07-04 02:16:22.9600.3057-0.610.8464.5
SAOFFR2020-07-04 02:16:16.3600.02000.061.302020-07-04 02:16:24.4900.0400-0.910.5471.3
GBOSGU2020-07-04 02:16:16.2410.0200-0.121.292020-07-04 02:16:25.3710.22960.021.0074.3
ESCAFR2020-07-04 02:16:17.6100.0643-0.041.332020-07-04 02:16:27.1930.0400-0.570.8778.4
RSPGU2020-07-04 02:16:17.7520.02000.310.402020-07-04 02:16:27.1580.0400-0.301.1279.9
MGROGU2020-07-04 02:16:17.5580.0200-0.590.852020-07-04 02:16:28.0940.0400-0.480.9782.4
ROROGU2020-07-04 02:16:19.9190.0200-0.141.252020-07-04 02:16:31.8210.04000.120.9296.3
IMIGU2020-07-04 02:16:20.0950.0200-0.061.302020-07-04 02:16:30.5580.1303-1.410.1796.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH0.291.48e-114.969
ISO FRHH0.271.97e-232.7168
STV GUHH0.773.12e-238.4130
ENR GUHH0.744.22e-245.2126
BHB GUHH0.451.27e-248.030
RRL GUHH0.721.45e-253.2345
SAOF FRHH0.649.52e-371.3138
RSP GUHH0.658.06e-379.917
MGRO GUHH0.891.21e-282.4125


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.
(°)
PZZ GUHHZ1.9509e-52.5327e-69.0095e-72.2412e-71.3554e-74.2819e-53.3226e-62.4659e-75.6046e-814.969
PZZ GUHHN1.9741e-52.2434e-69.1062e-73.3774e-71.4988e-73.7762e-53.8586e-62.2900e-74.8219e-814.969
PZZ GUHHE2.2555e-52.8984e-61.1361e-63.2140e-71.5760e-74.2874e-54.2281e-62.7229e-75.8061e-814.969
ISO FRHHZ4.6080e-64.0925e-71.2914e-74.0002e-82.2972e-84.4137e-63.9216e-73.8890e-87.9743e-932.7168
ISO FRHHN3.9701e-64.5787e-71.1871e-72.9789e-81.7036e-85.3525e-65.1106e-73.1840e-89.5444e-932.7168
ISO FRHHE3.6303e-63.7316e-71.4215e-74.7089e-82.6581e-85.8931e-67.9221e-74.4629e-88.0856e-932.7168
STV GUHHZ3.4010e-64.6883e-72.9523e-71.0431e-75.2544e-85.9041e-61.8285e-67.6879e-81.1421e-838.4130
STV GUHHN4.9905e-65.4826e-72.6132e-78.5328e-84.2592e-89.6265e-61.1407e-66.2263e-81.1536e-838.4130
STV GUHHE2.9423e-64.4820e-72.1917e-77.8708e-83.6945e-85.9620e-61.1075e-65.3337e-89.1290e-938.4130
ENR GUHHZ6.6374e-66.9814e-71.6309e-75.7797e-83.7454e-88.6446e-65.5425e-76.0309e-81.2967e-845.2126
ENR GUHHN1.4681e-51.4128e-62.8515e-79.1260e-84.9484e-81.7850e-51.7174e-69.6673e-82.4614e-845.2126
ENR GUHHE1.9285e-51.6740e-62.7409e-78.2634e-84.3348e-81.4885e-51.4108e-61.0337e-73.1500e-845.2126
BHB GUHHZ2.2443e-62.7250e-79.1669e-82.7165e-81.5483e-84.2771e-63.3961e-72.5135e-85.0685e-948.030
BHB GUHHN1.3048e-61.5903e-79.7159e-82.9472e-81.5969e-83.0185e-65.5569e-72.2955e-83.5692e-948.030
BHB GUHHE2.1469e-62.7388e-79.1495e-83.2287e-81.4320e-84.5140e-64.2520e-72.4553e-85.8695e-948.030
RRL GUHHZ7.6024e-71.0553e-76.5908e-83.4528e-81.5551e-82.0363e-64.1257e-72.3679e-82.7182e-953.2345
RRL GUHHN1.0799e-62.0034e-71.3671e-74.8950e-82.6521e-83.1872e-66.1401e-73.8862e-85.2173e-953.2345
RRL GUHHE1.0955e-61.6835e-71.3475e-74.6841e-82.1711e-84.1485e-66.7677e-73.7781e-84.7307e-953.2345
SAOF FRHHZ4.0538e-79.1807e-87.5477e-84.0064e-81.9560e-81.2724e-64.3618e-72.8892e-82.4342e-971.3138
SAOF FRHHN4.6975e-77.1509e-84.5089e-82.7582e-81.9888e-81.2652e-62.2724e-72.5703e-82.3733e-971.3138
SAOF FRHHE6.9353e-71.1787e-76.9477e-84.1657e-82.4290e-81.5473e-63.5478e-73.5859e-83.0760e-971.3138
GBOS GUHHZ1.4931e-62.5362e-71.6095e-75.1667e-83.0366e-83.8031e-64.3869e-74.9036e-86.8265e-974.3109
GBOS GUHHN1.1240e-62.5728e-71.5956e-75.9906e-82.2537e-82.9699e-67.7651e-73.2415e-86.2099e-974.3109
GBOS GUHHE8.1891e-72.1186e-71.5164e-75.3979e-82.2998e-83.5804e-68.5632e-73.1553e-84.9331e-974.3109
RSP GUHHZ8.3984e-79.9613e-85.4927e-82.8515e-81.1327e-81.4518e-62.2646e-71.8474e-82.9695e-979.917
RSP GUHHN1.2571e-61.3554e-77.3095e-83.4487e-83.9723e-81.9036e-62.9149e-75.7808e-81.0682e-879.917
RSP GUHHE9.9960e-71.3573e-77.9314e-82.2636e-81.2300e-82.4627e-63.4554e-71.8921e-83.2083e-979.917
MGRO GUHHZ4.2336e-77.6175e-86.1026e-83.5144e-81.8025e-81.0921e-62.6496e-72.3742e-82.7767e-982.4125
MGRO GUHHN9.0318e-71.3012e-78.8678e-84.5511e-82.8838e-82.5954e-63.5848e-75.4500e-83.8809e-982.4125
MGRO GUHHE7.6926e-71.4238e-79.2397e-84.4606e-82.9909e-81.4231e-64.5652e-73.7388e-84.8953e-982.4125
RORO GUHHZ1.0817e-61.5113e-71.0331e-74.5756e-82.8183e-83.2971e-63.2560e-73.6032e-83.8874e-996.3114
RORO GUHHN1.5887e-62.3392e-71.4647e-74.1563e-82.1083e-82.4482e-69.2317e-73.7028e-85.7970e-996.3114
RORO GUHHE1.4316e-51.3413e-64.4336e-76.1882e-77.2341e-76.4892e-63.1611e-61.0554e-67.3827e-896.3114
IMI GUHHZ7.2623e-71.2530e-75.8444e-84.5609e-83.1936e-81.6317e-63.3596e-74.5803e-83.8491e-996.6129
IMI GUHHN2.1538e-62.6200e-71.6392e-71.0940e-74.9807e-83.2491e-67.7039e-75.4746e-88.4616e-996.6129
IMI GUHHE1.4861e-61.8840e-79.1433e-84.3085e-83.3906e-82.4126e-63.3013e-74.4935e-86.9877e-996.6129
*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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