RSNI - Manually revised location

MANUAL Location - Area: Francia , magnitude (M_L): 1.0
2021-04-10 23:22:23 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2021-04-12 08:22:19

Earthquake info - Manual location

Event - ID :	210410232203
Magnitude (M_L) :	1.0 +/- 0.2
Origin Time :	2021-04-10 23:22:23.802 (UTC)
Location :	Latitude: 45.358 N, Longitude: 6.300 E
Area :	Francia
Depth (km) :	6.08
Distances (km) :	44.2 --- Bardonecchia 55.2 --- Oulx 55.7 --- Salbertrand 56.1 --- Moncenisio 57.1 --- Exilles 57.1 --- Sauze d Oulx 58.3 --- Claviere 59.0 --- Novalesa 59.3 --- Cesana Torinese 59.8 --- Venaus 59.9 --- Chiomonte 60.9 --- Giaglione 62.1 --- Gravere 62.2 --- Mompantero 63.1 --- Pragelato 63.5 --- Sestriere 63.7 --- Susa 63.9 --- Sauze di Cesana 64.4 --- La Thuile 65.7 --- Meana di Susa

Quality location estimate: Erh: 2.1 km, Erz: 3 km, Nf: 24, Gap: 231 °, Rms: 0.32

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.
OGMO	FR	2021-04-10 23:22:30.820	0.018	0	0.44	0.36	2021-04-10 23:22:35.070	0.108	3	0.06	1.44	34.8
RSL	FR	2021-04-10 23:22:32.370	0.022	1	0.00	1.66	2021-04-10 23:22:37.513	0.231	6	-0.64	0.81	45.0
BNI	MN	2021-04-10 23:22:32.278	0.020	0	0.03	1.63	2021-04-10 23:22:37.700	0.134	4	-0.52	0.95	45.3
RRL	GU	2021-04-10 23:22:35.266	0.020	0	-0.12	1.49	2021-04-10 23:22:42.639	0.100	2	-1.00	0.33	62.4
OGAG	FR	2021-04-10 23:22:35.466	0.020	0	-0.53	0.90	2021-04-10 23:22:43.169	0.040	0	-1.69	0.10	66.5
BLANC	GU	2021-04-10 23:22:37.270	0.036	1	-0.10	1.52	2021-04-10 23:22:45.850	0.332	7	-0.72	0.75	73.8
MRGE	IV	2021-04-10 23:22:37.281	0.036	1	-0.33	1.13	2021-04-10 23:22:47.124	0.160	4	0.15	1.15	75.3
RSP	GU	2021-04-10 23:22:38.270	0.039	1	0.15	1.24	2021-04-10 23:22:47.669	0.274	7	-0.51	0.99	79.4
REMY	GU	2021-04-10 23:22:39.470	0.042	2	-0.02	1.53	2021-04-10 23:22:50.834	0.100	2	0.66	0.29	85.8
BHB	GU	2021-04-10 23:22:40.846	0.020	0	0.02	1.48	2021-04-10 23:22:52.248	0.040	0	-0.50	1.01	95.5
CIRO	GU	2021-04-10 23:22:42.190	0.020	0	-0.38	1.13	2021-04-10 23:22:53.325	0.040	0	-1.91	0.09	102.8
PZZ	GU	2021-04-10 23:22:44.158	0.020	0	0.26	0.97	2021-04-10 23:22:58.003	0.100	2	-0.47	1.03	114.6

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
RRL	GU	HH	1.33	4.20e-2	62.4	141
BLANC	GU	HH	0.85	1.42e-2	73.8	42
MRGE	IV	HH	0.84	1.14e-2	75.3	52
RSP	GU	HH	0.89	1.41e-2	79.4	107
REMY	GU	HH	0.95	1.27e-2	85.8	51
BHB	GU	HH	1.00	1.01e-2	95.5	127
CIRO	GU	HH	1.03	5.41e-3	102.8	74
PZZ	GU	HH	1.21	1.99e-2	114.6	146

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

HHZ

6.5909e-7

1.4938e-7

1.3491e-7

8.6602e-8

3.0088e-8

2.0390e-6

8.9948e-7

3.7908e-8

3.9677e-9

62.4

141

RRL

HHN

8.3789e-7

2.5319e-7

2.6808e-7

1.3002e-7

4.4606e-8

3.3142e-6

1.3375e-6

6.2290e-8

7.7939e-9

62.4

141

RRL

HHE

1.1733e-6

4.4500e-7

3.4594e-7

1.5704e-7

6.3757e-8

2.8754e-6

3.1279e-6

8.6400e-8

1.2571e-8

62.4

141

BLANC

HHZ

2.5898e-6

3.2496e-7

8.7258e-8

4.2370e-8

2.0022e-8

3.5271e-6

3.3643e-7

3.0310e-8

4.6388e-9

73.8

BLANC

HHN

3.3216e-6

3.6173e-7

1.1537e-7

5.4642e-8

2.7622e-8

3.2181e-6

6.3981e-7

3.9123e-8

7.3770e-9

73.8

BLANC

HHE

5.0356e-6

5.0721e-7

1.5162e-7

6.9192e-8

2.6043e-8

3.0903e-6

5.1279e-7

3.7389e-8

6.9372e-9

73.8

MRGE

HHZ

1.7993e-6

1.2521e-7

8.5551e-8

4.6300e-8

1.9674e-8

1.8465e-6

5.5423e-7

2.9350e-8

3.4233e-9

75.3

MRGE

HHN

3.2205e-6

2.7326e-7

9.2640e-8

4.4278e-8

2.6953e-8

4.1182e-6

4.2203e-7

3.8350e-8

6.1072e-9

75.3

MRGE

HHE

2.3479e-6

2.4001e-7

9.3554e-8

4.8395e-8

2.0554e-8

3.7258e-6

3.9870e-7

2.7489e-8

5.2526e-9

75.3

RSP

HHZ

1.7646e-6

2.4492e-7

7.6855e-8

3.3662e-8

1.4370e-8

2.5999e-6

3.1881e-7

2.3895e-8

4.0046e-9

79.4

107

RSP

HHN

1.0307e-6

1.9210e-7

1.2485e-7

3.6260e-8

1.9030e-8

2.8521e-6

4.9393e-7

2.5376e-8

4.9042e-9

79.4

107

RSP

HHE

1.3524e-6

2.1350e-7

1.5602e-7

3.7502e-8

2.2288e-8

4.9027e-6

7.3827e-7

3.1604e-8

5.7827e-9

79.4

107

REMY

HHZ

6.2298e-7

9.9849e-8

8.1806e-8

3.3531e-8

1.6878e-8

1.5216e-6

4.9643e-7

2.4367e-8

2.7981e-9

85.8

REMY

HHN

7.7292e-7

1.7112e-7

1.1594e-7

7.3023e-8

2.8463e-8

2.5193e-6

6.0902e-7

3.2960e-8

4.4400e-9

85.8

REMY

HHE

5.6857e-7

1.1185e-7

9.4802e-8

5.4929e-8

2.4773e-8

1.9491e-6

6.4147e-7

3.8859e-8

3.6622e-9

85.8

BHB

HHZ

5.9349e-7

9.6225e-8

7.5396e-8

2.9669e-8

2.1893e-8

1.9661e-6

3.5424e-7

4.5365e-8

2.6571e-9

95.5

127

BHB

HHN

5.0972e-7

9.4148e-8

8.0352e-8

3.4361e-8

1.8118e-8

1.8253e-6

3.1656e-7

3.0390e-8

2.4586e-9

95.5

127

BHB

HHE

4.4101e-7

8.4684e-8

5.2862e-8

4.0583e-8

6.3889e-8

1.2472e-6

2.3196e-7

1.5765e-7

1.4684e-8

95.5

127

CIRO

HHZ

2.9530e-7

4.2127e-8

4.3087e-8

1.9482e-8

9.4027e-9

6.3149e-7

2.2296e-7

1.1871e-8

1.5948e-9

102.8

CIRO

HHN

2.8417e-7

6.2430e-8

5.0983e-8

2.4403e-8

1.3661e-8

7.6328e-7

3.9345e-7

1.8377e-8

1.7391e-9

102.8

CIRO

HHE

2.7597e-7

4.2063e-8

3.4505e-8

1.7980e-8

9.1694e-9

9.2930e-7

2.0082e-7

1.2023e-8

1.4127e-9

102.8

PZZ

HHZ

6.2846e-7

1.2078e-7

1.1022e-7

6.6947e-8

3.1996e-8

1.7676e-6

5.3800e-7

3.4701e-8

3.7027e-9

114.6

146

PZZ

HHN

6.6277e-7

2.2453e-7

1.8071e-7

6.6200e-8

3.7774e-8

1.5929e-6

7.6563e-7

5.5343e-8

5.5432e-9

114.6

146

PZZ

HHE

6.3748e-7

1.7269e-7

1.5536e-7

5.8233e-8

4.5717e-8

1.7027e-6

9.3605e-7

6.0422e-8

4.4552e-9

114.6

146

*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)

MANUAL Location - Area: Francia , magnitude (ML): 1.0 2021-04-10 23:22:23 (UTC)

MANUAL Location - Area: Francia , magnitude (M_L): 1.0
2021-04-10 23:22:23 (UTC)