MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.8
2020-09-16 09:20:10 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2020-09-16 09:35:33

RSNI Logo

Earthquake info - Manual location
Event - ID :200916091857
Magnitude (ML) :0.8 +/- 0.2
Origin Time :2020-09-16 09:20:10.005 (UTC)
Location : Latitude: 44.746 N, Longitude: 6.610 E
Area :Alpi Cozie
Depth (km) :11.02
Distances (km) : 24.3 --- Claviere
27.3 --- Cesana Torinese
29.4 --- Sauze di Cesana
31.8 --- Sestriere
35.8 --- Pontechianale
36.6 --- Oulx
37.0 --- Bellino
37.1 --- Sauze d Oulx
37.8 --- Bardonecchia
38.1 --- Prali
39.6 --- Pragelato
40.2 --- Casteldelfino
40.8 --- Bobbio Pellice
41.1 --- Salza di Pinerolo
42.4 --- Salbertrand
42.5 --- Acceglio
42.5 --- Massello
43.6 --- Crissolo
43.7 --- Villar Pellice
44.2 --- Elva

Quality location estimate: Erh: 1.7 km, Erz: 1.6 km, Nf: 12, Gap: 157 °, Rms: 0.18


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.
OGAGFR2020-09-16 09:20:12.8900.01200.021.522020-09-16 09:20:14.7600.0702-0.151.6113.2
RRLGU2020-09-16 09:20:15.3600.0180-0.181.382020-09-16 09:20:20.4230.04000.960.0927.5
SURFFR2020-09-16 09:20:16.8300.0422-0.051.782020-09-16 09:20:21.7800.1053-0.181.3735.3
BNIMN2020-09-16 09:20:17.0690.02000.021.572020-09-16 09:20:21.7540.0400-0.310.7636.3
PZZGU2020-09-16 09:20:19.8940.02000.610.172020-09-16 09:20:26.0750.04000.001.4149.6
BHBGU2020-09-16 09:20:21.3350.02001.220.072020-09-16 09:20:27.7210.04000.420.2853.8


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
RRL GUHH1.051.12e-127.536
PZZ GUHH0.663.58e-249.6123
BHB GUHH0.661.62e-253.879


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.
(°)
RRL GUHHZ7.7997e-73.7408e-73.8350e-73.3751e-71.1721e-72.0612e-62.5437e-61.5057e-71.4413e-827.536
RRL GUHHN1.5623e-66.5174e-76.2445e-77.0404e-72.3182e-72.6771e-63.8905e-62.7731e-72.9298e-827.536
RRL GUHHE1.3039e-64.4715e-74.4568e-74.4517e-71.9881e-71.9966e-62.4799e-61.8057e-71.6481e-827.536
PZZ GUHHZ7.1252e-71.7243e-72.1445e-79.7794e-83.7477e-81.9592e-61.7413e-64.8644e-85.5124e-949.6123
PZZ GUHHN9.4850e-73.0558e-72.6848e-71.3048e-76.0731e-82.0508e-62.3502e-67.4438e-88.9936e-949.6123
PZZ GUHHE1.1055e-63.4465e-73.4638e-71.2870e-76.4878e-82.1679e-62.9446e-68.9912e-81.0689e-849.6123
BHB GUHHZ3.4543e-79.7743e-81.0075e-75.8191e-82.2143e-81.1991e-67.3637e-72.3981e-83.6278e-953.879
BHB GUHHN3.7131e-71.0856e-71.1331e-76.0591e-82.2421e-86.6238e-78.3565e-72.9141e-83.2488e-953.879
BHB GUHHE3.7067e-71.2535e-71.1063e-77.2197e-84.2596e-86.8807e-78.3583e-75.6294e-84.6415e-953.879
*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