MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.7
2021-04-10 17:36:49 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2021-04-12 08:17:35

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Earthquake info - Manual location
Event - ID :210410173556
Magnitude (ML) :0.7 +/- 0.2
Origin Time :2021-04-10 17:36:49.386 (UTC)
Location : Latitude: 44.555 N, Longitude: 7.198 E
Area :Alpi Cozie
Depth (km) :5.54
Distances (km) : 2.8 --- Sampeyre
6.2 --- Macra
6.4 --- Frassino
7.8 --- Stroppo
8.1 --- Celle di Macra
8.5 --- San Damiano Macra
8.8 --- Elva
9.6 --- Melle
10.9 --- Casteldelfino
11.0 --- Cartignano
11.7 --- Valmala
13.0 --- Brossasco
13.4 --- Marmora
13.7 --- Oncino
13.8 --- Prazzo
14.0 --- Sanfront
14.2 --- Canosio
14.2 --- Roccabruna
14.5 --- Gambasca
14.7 --- Bellino

Quality location estimate: Erh: 1.2 km, Erz: 1.3 km, Nf: 28, Gap: 110 °, 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.
PZZGU2021-04-10 17:36:51.7200.0050-0.011.622021-04-10 17:36:53.0500.0320-0.361.2210.9
SURFFR2021-04-10 17:36:55.3800.0150-0.331.242021-04-10 17:36:58.9950.3898-1.360.1532.1
BHBGU2021-04-10 17:36:55.4400.01700.041.512021-04-10 17:36:59.4390.1002-0.061.4032.2
STVGU2021-04-10 17:36:56.1100.01900.021.552021-04-10 17:37:00.1800.1113-0.560.8336.4
ENRGU2021-04-10 17:36:56.8000.02110.031.512021-04-10 17:37:01.4700.1253-0.441.0640.7
ISOFR2021-04-10 17:36:57.6780.02000.290.362021-04-10 17:37:02.8090.1002-0.051.3543.3
GBOSGU2021-04-10 17:37:00.1090.0200-0.161.302021-04-10 17:37:07.5340.1002-0.201.3162.0
TURFFR2021-04-10 17:37:01.6670.02000.170.852021-04-10 17:37:09.2130.1002-0.830.5066.5
RSPGU2021-04-10 17:37:00.6000.0200-0.441.062021-04-10 17:37:08.4200.2406-0.720.6766.5
SAOFFR2021-04-10 17:37:01.2000.0200-0.770.492021-04-10 17:37:09.9080.1002-0.870.4469.5
MVIFFR2021-04-10 17:37:03.2700.02000.530.152021-04-10 17:37:12.1190.0400-0.201.2873.5
ROROGU2021-04-10 17:37:04.0330.0200-0.061.392021-04-10 17:37:14.1600.3467-0.040.9884.9
IMIGU2021-04-10 17:37:04.9170.0401-0.181.352021-04-10 17:37:15.6480.1002-0.570.8790.7
PCPGU2021-04-10 17:37:07.1700.0542-0.371.152021-04-10 17:37:20.9200.32770.550.42106.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH0.696.52e-110.9231
BHB GUHH0.715.11e-232.29
STV GUHH0.491.80e-236.4164
ENR GUHH0.826.26e-240.7154
ISO FRHH0.391.50e-243.3196
GBOS GUHH0.871.11e-262.0124
RSP GUHH0.591.06e-266.55
SAOF FRHH0.568.25e-369.5156
RORO GUHH1.041.72e-284.9125
IMI GUHH1.061.97e-290.7142
PCP GUHH0.836.26e-3106.990


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 GUHHZ4.7229e-56.5407e-64.3893e-61.3055e-67.3095e-78.6594e-51.6846e-51.1267e-61.8217e-710.9231
PZZ GUHHN5.1488e-59.8940e-65.7931e-62.2315e-61.0209e-61.1978e-43.0532e-51.4725e-61.9536e-710.9231
PZZ GUHHE5.0682e-57.7492e-64.3298e-61.3123e-66.2889e-79.5397e-51.6618e-51.0185e-61.8160e-710.9231
BHB GUHHZ7.6784e-61.0299e-64.1304e-71.1634e-77.8457e-82.2461e-51.4511e-61.3713e-72.4666e-832.29
BHB GUHHN6.0617e-61.0340e-64.2008e-71.2458e-76.4543e-81.3517e-52.3408e-61.0872e-72.3629e-832.29
BHB GUHHE1.0043e-51.1004e-63.4835e-71.4200e-75.9375e-81.2404e-51.2548e-61.2913e-72.4903e-832.29
STV GUHHZ3.2042e-64.4178e-72.1309e-75.1758e-82.8462e-85.5643e-69.4179e-74.7983e-81.0525e-836.4164
STV GUHHN2.6875e-63.4474e-71.5368e-73.9123e-82.1155e-85.3101e-65.3071e-72.8551e-87.1315e-936.4164
STV GUHHE3.5323e-64.4860e-71.5516e-74.2581e-82.2794e-88.6832e-66.8357e-74.3100e-89.3719e-936.4164
ENR GUHHZ7.7389e-67.2977e-71.9649e-74.9287e-82.9007e-81.0902e-57.4467e-75.9730e-81.2393e-840.7154
ENR GUHHN1.6830e-51.6970e-63.0827e-79.9565e-85.5453e-82.1964e-59.9042e-71.2022e-73.0484e-840.7154
ENR GUHHE2.3885e-52.1935e-63.4571e-79.4409e-85.5027e-82.0422e-51.4773e-61.3708e-73.8843e-840.7154
ISO FRHHZ1.7079e-62.7002e-71.2048e-73.7098e-81.9815e-85.1555e-64.3583e-72.9462e-85.6494e-943.3196
ISO FRHHN1.7858e-62.5451e-77.4940e-82.3758e-81.3379e-83.7054e-62.7547e-72.3759e-84.7485e-943.3196
ISO FRHHE2.3412e-63.1108e-71.2703e-73.3636e-81.6183e-86.6653e-64.0917e-72.6644e-85.6010e-943.3196
GBOS GUHHZ9.5204e-72.1629e-71.1317e-73.3744e-81.8783e-83.8163e-64.1798e-73.2856e-84.8796e-962.0124
GBOS GUHHN1.0391e-61.5796e-78.5093e-83.8016e-81.8058e-83.7187e-63.1877e-72.2143e-83.1663e-962.0124
GBOS GUHHE1.1513e-61.9969e-71.0324e-73.5845e-81.6181e-84.8648e-64.7888e-72.2700e-84.3093e-962.0124
RSP GUHHZ1.2342e-61.3183e-76.3831e-82.0954e-89.7600e-92.8419e-62.9144e-71.6051e-82.8004e-966.55
RSP GUHHN1.4809e-62.2813e-79.9056e-82.7833e-81.3060e-83.6241e-62.9502e-72.2853e-84.7828e-966.55
RSP GUHHE1.3926e-62.3777e-78.0379e-82.6515e-81.5260e-83.9973e-63.2511e-72.5022e-85.2828e-966.55
SAOF FRHHZ3.2738e-76.5741e-85.6590e-83.2139e-81.9907e-88.2480e-73.3407e-73.0590e-82.6237e-969.5156
SAOF FRHHN4.7114e-71.0750e-76.4216e-84.0780e-82.7861e-81.0989e-63.3941e-73.8182e-82.9620e-969.5156
SAOF FRHHE4.0703e-76.8651e-85.4414e-83.3529e-82.6861e-89.1843e-73.9272e-74.1887e-82.3029e-969.5156
RORO GUHHZ1.1105e-61.5893e-76.7554e-82.7713e-82.0844e-82.4303e-63.6619e-73.2825e-83.4885e-984.9125
RORO GUHHN1.0033e-61.9670e-79.8894e-83.1716e-82.5088e-82.3592e-65.6622e-73.4463e-84.4035e-984.9125
RORO GUHHE1.4071e-62.4088e-71.1167e-77.3620e-88.8712e-84.4225e-65.1859e-71.3697e-71.0636e-884.9125
IMI GUHHZ1.0804e-61.2977e-77.8634e-83.5894e-82.5848e-82.7619e-63.1967e-74.2976e-82.9647e-990.7142
IMI GUHHN2.1416e-62.4232e-71.2480e-77.8920e-81.2376e-73.3249e-66.2349e-72.5306e-72.4437e-890.7142
IMI GUHHE1.8798e-62.0170e-71.1987e-77.5311e-88.5379e-83.7144e-64.5369e-71.2300e-71.5942e-890.7142
PCP GUHHZ3.5488e-76.2414e-84.1508e-82.5156e-82.4694e-88.7516e-72.2757e-72.9988e-83.4259e-9106.990
PCP GUHHN5.2847e-78.7143e-84.8518e-82.3917e-82.8407e-81.0712e-62.5817e-73.6479e-83.0483e-9106.990
PCP GUHHE4.8893e-76.9568e-83.9970e-82.6466e-83.0944e-81.0773e-61.8505e-74.0320e-82.8802e-9106.990
*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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