MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.1
2021-03-02 08:13:23 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2021-03-02 09:22:14

RSNI Logo

Earthquake info - Manual location
Event - ID :210302081259
Magnitude (ML) :0.1 +/- 0.2
Origin Time :2021-03-02 08:13:23.548 (UTC)
Location : Latitude: 44.559 N, Longitude: 6.912 E
Area :Alpi Cozie
Depth (km) :8.68
Distances (km) : 8.6 --- Bellino
11.1 --- Acceglio
11.6 --- Pontechianale
12.9 --- Casteldelfino
14.0 --- Prazzo
14.2 --- Elva
17.6 --- Canosio
17.9 --- Stroppo
18.1 --- Argentera
18.2 --- Marmora
22.1 --- Macra
22.1 --- Sampeyre
22.8 --- Celle di Macra
24.9 --- Crissolo
25.6 --- Oncino
25.7 --- Pietraporzio
26.5 --- Ostana
27.6 --- Sambuco
28.2 --- San Damiano Macra
28.7 --- Frassino

Quality location estimate: Erh: 1.2 km, Erz: 2.5 km, Nf: 12, Gap: 124 °, Rms: 0.12


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.
SURFFR2021-03-02 08:13:27.2800.01200.520.052021-03-02 08:13:29.1400.05410.001.7314.6
PZZGU2021-03-02 08:13:27.6700.01300.001.852021-03-02 08:13:29.8140.0651-0.850.0819.9
BHBGU2021-03-02 08:13:31.3760.0200-0.051.562021-03-02 08:13:36.4090.0400-0.530.1642.4
RRLGU2021-03-02 08:13:31.7500.05320.041.542021-03-02 08:13:37.0720.5719-0.420.4942.8
ISOFR2021-03-02 08:13:31.7410.0200-0.031.642021-03-02 08:13:37.1850.0400-0.210.7144.2
STVGU2021-03-02 08:13:32.3950.02000.091.282021-03-02 08:13:38.5500.14740.140.9248.8


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH0.207.15e-219.9110
BHB GUHH-0.055.18e-342.442
RRL GUHH0.085.13e-342.8347
ISO FRHH-0.144.27e-344.2165
STV GUHH0.286.22e-348.8137


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 GUHHZ7.0943e-67.4895e-73.9657e-71.0334e-74.5404e-81.2195e-51.4477e-67.6178e-81.5163e-819.9110
PZZ GUHHN9.0250e-61.0262e-65.9891e-72.0420e-71.0991e-71.4512e-52.8739e-61.5095e-72.2257e-819.9110
PZZ GUHHE7.9687e-61.0112e-65.2130e-71.7833e-71.0482e-71.8588e-52.3176e-61.7472e-72.6348e-819.9110
BHB GUHHZ1.0526e-61.1570e-76.0715e-82.7644e-81.8399e-82.2478e-62.1734e-73.3789e-83.1433e-942.442
BHB GUHHN7.0326e-79.6764e-84.6062e-81.8644e-81.9211e-81.3527e-61.5987e-73.6956e-82.0936e-942.442
BHB GUHHE8.2455e-71.0743e-74.6813e-82.7655e-82.3124e-81.1563e-61.6396e-75.0570e-82.4726e-942.442
RRL GUHHZ5.8216e-77.3981e-82.7075e-81.5951e-81.1261e-81.4977e-61.2343e-71.7244e-81.7553e-942.8347
RRL GUHHN5.0882e-77.5124e-84.1268e-81.8874e-81.2584e-81.3070e-61.8490e-71.6599e-81.9469e-942.8347
RRL GUHHE5.3623e-77.2796e-83.8304e-81.8052e-81.3381e-81.1034e-61.6885e-71.4582e-81.6247e-942.8347
ISO FRHHZ4.6611e-76.4398e-83.2130e-82.5587e-83.5810e-87.4557e-71.2895e-76.4823e-85.4184e-944.2165
ISO FRHHN5.8470e-77.0545e-82.7273e-81.1783e-81.0487e-81.1035e-61.0931e-72.2018e-82.1090e-944.2165
ISO FRHHE6.8566e-76.7661e-83.3667e-81.5584e-81.0175e-88.6233e-71.9485e-71.5870e-81.7006e-944.2165
STV GUHHZ9.4678e-71.0256e-74.5260e-81.6134e-81.2649e-82.2488e-61.3782e-71.9783e-82.5918e-948.8137
STV GUHHN9.7057e-71.3494e-74.4242e-81.6713e-81.2372e-81.9455e-62.0949e-71.7841e-83.0958e-948.8137
STV GUHHE9.6378e-71.5073e-73.7926e-81.2960e-88.3459e-92.5774e-61.4097e-71.4277e-82.7044e-948.8137
*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