RSNI - Manually revised location

MANUAL Location - Area: Alpi Pennine , magnitude (M_L): 0.8
2024-11-29 08:51:50 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-11-29 09:44:53

Earthquake info - Manual location

Event - ID :	241129085124
Magnitude (M_L) :	0.8 +/- 0.2
Origin Time :	2024-11-29 08:51:50.229 (UTC)
Location :	Latitude: 45.861 N, Longitude: 6.973 E
Area :	Alpi Pennine
Depth (km) :	4.88
Distances (km) :	7.5 --- Courmayeur 10.7 --- Pre -Saint-Didier 12.4 --- Morgex 14.8 --- La Salle 15.9 --- La Thuile 16.5 --- Saint-Rhemy-En-Bosses 18.9 --- Saint-Oyen 20.3 --- Etroubles 21.2 --- Avise 21.9 --- Saint-Nicolas 23.0 --- Arvier 23.8 --- Allein 25.1 --- Introd 25.3 --- Villeneuve 25.9 --- Saint-Pierre 26.1 --- Ollomont 26.2 --- Doues 26.4 --- Valgrisenche 26.5 --- Gignod 26.7 --- Rhemes-Saint-Georges

Quality location estimate: Erh: 0.4 km, Erz: 0.2 km, Nf: 22, Gap: 129 °, Rms: 0.28

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.
COURM	FR	2024-11-29 08:51:52.060	0.004	0	0.02	1.96	2024-11-29 08:51:52.612	0.040	0	-0.61	0.77	7.8
BLANC	GU	2024-11-29 08:51:52.290	0.003	0	-0.06	1.59	2024-11-29 08:51:53.130	0.021	0	-0.66	0.64	9.0
MRGE	IV	2024-11-29 08:51:53.420	0.007	0	0.00	2.03	2024-11-29 08:51:55.133	0.050	1	-0.38	0.34	13.8
REMY	GU	2024-11-29 08:51:54.050	0.009	0	-0.02	1.99	2024-11-29 08:51:56.130	0.053	1	-0.51	0.71	16.2
RSL	FR	2024-11-29 08:51:56.962	0.020	0	0.02	1.81	2024-11-29 08:52:00.520	0.098	2	-0.87	0.29	33.4
DIX	CH	2024-11-29 08:51:58.811	0.020	0	0.03	1.62	2024-11-29 08:52:03.410	0.352	7	-1.22	0.25	41.9
LSD	GU	2024-11-29 08:51:58.954	0.020	0	-0.06	1.49	2024-11-29 08:52:04.042	0.462	9	-0.88	0.44	46.9
CIRO	GU	2024-11-29 08:52:00.290	0.020	0	-0.62	0.73	2024-11-29 08:52:06.720	0.703	9	-1.55	0.23	54.9
SENIN	CH	2024-11-29 08:52:02.069	0.020	0	-0.05	1.35	2024-11-29 08:52:08.890	0.285	7	-1.48	0.17	61.7

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
COURM	FR	HH	1.26	2.56e+0	7.8	189
BLANC	GU	HH	0.85	7.85e-1	9.0	239
MRGE	IV	HH	0.98	4.21e-1	13.8	146
REMY	GU	HH	0.56	1.41e-1	16.2	100
DIX	CH	HH	0.74	3.57e-2	41.9	54
LSD	GU	HH	0.83	3.50e-2	46.9	164
CIRO	GU	HH	0.86	1.45e-2	54.9	122
SENIN	CH	HH	0.91	2.41e-2	61.7	24

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.
(°)

COURM

HHZ

3.5552e-4

3.9891e-5

1.2682e-5

3.1819e-6

1.9717e-6

4.3126e-4

5.4914e-5

3.2822e-6

6.7029e-7

7.8

189

COURM

HHN

3.4160e-4

4.0972e-5

1.5194e-5

3.8752e-6

2.0172e-6

6.5780e-4

4.7691e-5

3.7006e-6

8.2037e-7

7.8

189

COURM

HHE

3.6809e-4

4.5651e-5

1.8839e-5

5.0238e-6

3.0084e-6

8.0739e-4

9.1497e-5

5.4264e-6

1.1761e-6

7.8

189

BLANC

HHZ

5.3132e-5

8.0416e-6

3.2544e-6

9.7310e-7

5.4359e-7

1.8133e-4

1.7672e-5

9.1453e-7

1.7299e-7

9.0

239

BLANC

HHN

1.0621e-4

1.5895e-5

5.0865e-6

1.7535e-6

1.0825e-6

2.1555e-4

1.6346e-5

1.8371e-6

3.2242e-7

9.0

239

BLANC

HHE

8.8654e-5

1.4846e-5

6.3550e-6

1.7406e-6

1.0276e-6

3.1463e-4

2.2840e-5

1.6932e-6

3.1113e-7

9.0

239

MRGE

HHZ

3.1771e-5

4.7800e-6

2.1446e-6

6.4593e-7

3.6443e-7

4.8666e-5

1.0570e-5

5.6056e-7

1.0807e-7

13.8

146

MRGE

HHN

4.8436e-5

5.6673e-6

2.8041e-6

1.0955e-6

6.0601e-7

9.5618e-5

1.6330e-5

9.2736e-7

1.4609e-7

13.8

146

MRGE

HHE

5.8948e-5

8.2311e-6

2.0289e-6

7.2062e-7

4.3047e-7

1.5099e-4

7.1734e-6

7.8676e-7

1.8102e-7

13.8

146

REMY

HHZ

7.5863e-6

9.5185e-7

4.7533e-7

1.5846e-7

7.6557e-8

2.0653e-5

2.5226e-6

1.1731e-7

2.1575e-8

16.2

100

REMY

HHN

1.8284e-5

2.2623e-6

9.5940e-7

3.9554e-7

1.9562e-7

3.5307e-5

4.6415e-6

3.1298e-7

5.4786e-8

16.2

100

REMY

HHE

1.0589e-5

1.2115e-6

5.6810e-7

2.4022e-7

9.9672e-8

1.7076e-5

2.7074e-6

1.3138e-7

2.4337e-8

16.2

100

DIX

HHZ

2.7571e-6

3.2117e-7

1.9151e-7

1.4391e-7

5.3069e-8

4.4356e-6

8.6776e-7

6.5022e-8

7.2956e-9

41.9

DIX

HHN

2.5286e-6

4.4206e-7

2.3859e-7

2.3454e-7

8.2264e-8

3.0278e-6

9.5038e-7

1.1398e-7

1.2683e-8

41.9

DIX

HHE

2.5175e-6

3.5294e-7

2.1366e-7

1.1269e-7

4.2147e-8

6.0598e-6

9.4558e-7

5.7586e-8

8.7809e-9

41.9

LSD

HHZ

1.7600e-6

2.4515e-7

1.1419e-7

5.3194e-8

2.0430e-8

4.0801e-6

3.4347e-7

3.2493e-8

5.3804e-9

46.9

164

LSD

HHN

3.1729e-6

4.9315e-7

1.3889e-7

3.8820e-8

2.1403e-8

8.8504e-6

5.4236e-7

4.0560e-8

9.8897e-9

46.9

164

LSD

HHE

6.1146e-6

7.3682e-7

2.4667e-7

8.5428e-8

5.6454e-8

1.4237e-5

8.8618e-7

1.0392e-7

1.8543e-8

46.9

164

CIRO

HHZ

1.1314e-6

1.6009e-7

6.6781e-8

3.0424e-8

1.3468e-8

1.4887e-6

3.0308e-7

2.0714e-8

3.2266e-9

54.9

122

CIRO

HHN

1.8531e-6

2.3910e-7

1.2068e-7

4.8640e-8

2.0210e-8

2.9004e-6

5.8919e-7

2.9346e-8

5.7336e-9

54.9

122

CIRO

HHE

1.4591e-6

1.3782e-7

6.9203e-8

3.1783e-8

1.6217e-8

1.7857e-6

4.1293e-7

2.2638e-8

3.9827e-9

54.9

122

SENIN

HHZ

1.3306e-6

2.0664e-7

1.4150e-7

5.4887e-8

2.8415e-8

2.7413e-6

5.2095e-7

3.6435e-8

5.2568e-9

61.7

SENIN

HHN

7.0126e-7

1.2326e-7

1.0783e-7

4.7573e-8

2.5182e-8

2.0283e-6

7.6699e-7

3.5474e-8

4.0658e-9

61.7

SENIN

HHE

1.3812e-6

2.7422e-7

1.8607e-7

7.9704e-8

6.1345e-8

3.0603e-6

1.0215e-6

9.5317e-8

2.3214e-8

61.7

*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: Alpi Pennine , magnitude (ML): 0.8 2024-11-29 08:51:50 (UTC)

MANUAL Location - Area: Alpi Pennine , magnitude (M_L): 0.8
2024-11-29 08:51:50 (UTC)