RSNI - Manually revised location

MANUAL Location - Area: Val di Taro , magnitude (M_L): 1.2
2024-12-31 11:29:08 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-01-01 13:20:27

Earthquake info - Manual location

Event - ID :	241231112810
Magnitude (M_L) :	1.2 +/- 0.2
Origin Time :	2024-12-31 11:29:08.472 (UTC)
Location :	Latitude: 44.458 N, Longitude: 9.796 E
Area :	Val di Taro
Depth (km) :	5.02
Distances (km) :	4.2 --- Borgo Val di Taro 7.6 --- Albareto 11.2 --- Pontremoli 11.5 --- Compiano 12.0 --- Zeri 14.0 --- Tornolo 14.2 --- Valmozzola 14.2 --- Bedonia 16.4 --- Berceto 17.3 --- Mulazzo 17.9 --- Filattiera 18.4 --- Zignago 18.4 --- Varese Ligure 20.0 --- Bardi 20.6 --- Sesta Godano 22.1 --- Villafranca in Lunigiana 22.2 --- Bagnone 22.7 --- Solignano 23.0 --- Carro 23.1 --- Rocchetta di Vara

Quality location estimate: Erh: 0.8 km, Erz: 0.7 km, Nf: 20, Gap: 109 °, Rms: 0.11

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.
BVT	IT	2024-12-31 11:29:11.115	0.020	0	0.03	1.62	2024-12-31 11:29:12.850	0.040	0	-0.04	1.56	10.8
VRL	IT	2024-12-31 11:29:11.845	0.020	0	0.11	1.10	2024-12-31 11:29:14.020	0.040	0	-0.05	1.54	15.7
GRAM	GU	2024-12-31 11:29:13.460	0.012	0	0.52	0.10	2024-12-31 11:29:16.889	0.076	2	0.96	0.04	22.5
CAR	IT	2024-12-31 11:29:13.824	0.020	0	0.05	1.53	2024-12-31 11:29:17.511	0.040	0	-0.14	1.00	27.9
AUL	IT	2024-12-31 11:29:14.459	0.020	0	0.17	0.67	2024-12-31 11:29:18.309	0.040	0	-0.04	1.41	31.5
EQUI	GU	2024-12-31 11:29:16.429	0.020	0	-0.06	1.44	2024-12-31 11:29:22.015	0.100	2	-0.06	1.12	43.5
GORR	GU	2024-12-31 11:29:16.624	0.020	0	0.01	1.56	2024-12-31 11:29:22.630	0.143	4	-0.29	0.55	43.6
PLMA	IV	2024-12-31 11:29:16.766	0.020	0	-0.05	1.48	2024-12-31 11:29:22.542	0.257	7	-0.44	0.36	45.9
SARM	GU	2024-12-31 11:29:19.090	0.032	1	0.05	1.36	2024-12-31 11:29:26.484	0.193	5	-0.10	0.84	57.2
RNCA	GU	2024-12-31 11:29:20.770	0.115	5	0.71	0.12	2024-12-31 11:29:28.755	0.214	6	0.28	0.60	67.3

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
BVT	IT	HN	1.58	3.01e+0	10.8	332
GRAM	GU	HH	1.08	4.65e-1	22.5	80
CAR	IT	HN	1.52	4.72e-1	27.9	211
EQUI	GU	HH	0.92	5.04e-2	43.5	139
GORR	GU	HH	1.22	9.99e-2	43.6	293
PLMA	IV	HH	1.07	6.23e-2	45.9	174
SARM	GU	EH	1.12	5.50e-2	57.2	122
RNCA	GU	HH	1.23	4.21e-2	67.3	272

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.
(°)

BVT

HNZ

1.2737e-4

1.5349e-5

1.1360e-5

8.2364e-6

3.5239e-6

1.4518e-4

5.0724e-5

4.4680e-6

4.6461e-7

10.8

332

BVT

HNN

1.7342e-4

2.4969e-5

1.5682e-5

6.2057e-6

2.5900e-6

3.2236e-4

6.9390e-5

3.5335e-6

7.3897e-7

10.8

332

BVT

HNE

2.3813e-4

5.9233e-5

2.3821e-5

1.1160e-5

5.3870e-6

4.3855e-4

1.5886e-4

7.1813e-6

9.2841e-7

10.8

332

GRAM

HHZ

2.1746e-5

3.0626e-6

2.1372e-6

7.0544e-7

2.8372e-7

2.6431e-5

1.3714e-5

4.2935e-7

6.5918e-8

22.5

GRAM

HHN

1.8904e-5

5.2787e-6

4.5889e-6

1.5757e-6

6.5577e-7

4.9349e-5

3.2968e-5

9.1081e-7

1.4657e-7

22.5

GRAM

HHE

2.2136e-5

5.6467e-6

4.6343e-6

1.4581e-6

6.0280e-7

5.5677e-5

2.3871e-5

9.0235e-7

1.3481e-7

22.5

CAR

HNZ

2.0501e-5

2.8259e-6

1.6156e-6

5.2465e-7

2.4812e-7

3.9849e-5

1.1077e-5

3.6612e-7

5.8426e-8

27.9

211

CAR

HNN

3.9459e-5

6.8111e-6

4.2630e-6

9.8228e-7

5.8819e-7

7.0449e-5

2.3552e-5

9.3425e-7

1.6440e-7

27.9

211

CAR

HNE

4.3084e-5

8.0540e-6

3.9951e-6

1.0078e-6

4.8988e-7

9.8535e-5

2.6039e-5

8.1337e-7

1.7430e-7

27.9

211

EQUI

HHZ

4.8207e-6

5.4203e-7

2.5528e-7

1.1408e-7

4.5730e-8

7.4693e-6

8.6259e-7

6.3337e-8

1.1601e-8

43.5

139

EQUI

HHN

5.4547e-6

5.9720e-7

3.3413e-7

1.5017e-7

6.5639e-8

8.8190e-6

1.5578e-6

8.3232e-8

1.3485e-8

43.5

139

EQUI

HHE

6.1280e-6

7.3237e-7

4.2930e-7

3.0823e-7

1.6839e-7

8.0987e-6

1.8935e-6

1.9310e-7

1.6955e-8

43.5

139

GORR

HHZ

3.3286e-6

6.6350e-7

6.2120e-7

2.5267e-7

1.0372e-7

7.0277e-6

3.7719e-6

1.4614e-7

2.0006e-8

43.6

293

GORR

HHN

4.5842e-6

1.3756e-6

1.0578e-6

3.1995e-7

1.6834e-7

1.0700e-5

5.0115e-6

2.4386e-7

3.1099e-8

43.6

293

GORR

HHE

4.9016e-6

1.2046e-6

9.1078e-7

3.0795e-7

1.4783e-7

2.0824e-5

5.5030e-6

1.9624e-7

2.6392e-8

43.6

293

PLMA

HHZ

6.7407e-6

7.5297e-7

3.5726e-7

1.1640e-7

5.3651e-8

8.8900e-6

1.8340e-6

8.9070e-8

1.4226e-8

45.9

174

PLMA

HHN

1.1252e-5

1.1387e-6

6.1072e-7

1.6284e-7

7.4193e-8

1.4128e-5

2.5041e-6

1.3381e-7

2.4081e-8

45.9

174

PLMA

HHE

8.9568e-6

1.2276e-6

6.2724e-7

1.6056e-7

8.3212e-8

1.5790e-5

1.8008e-6

1.3821e-7

2.3916e-8

45.9

174

SARM

EHZ

1.6671e-6

2.7856e-7

2.2061e-7

8.8189e-8

4.0646e-8

4.9251e-6

1.4914e-6

5.6311e-8

6.9602e-9

57.2

122

SARM

EHN

2.6368e-6

5.9652e-7

4.9450e-7

2.1091e-7

7.6429e-8

4.7583e-6

2.6612e-6

1.2021e-7

1.7378e-8

57.2

122

SARM

EHE

2.1664e-6

5.3393e-7

3.7636e-7

1.5057e-7

6.2331e-8

4.5501e-6

2.6246e-6

8.7973e-8

1.2926e-8

57.2

122

RNCA

HHZ

2.4034e-6

2.8089e-7

2.1329e-7

9.8336e-8

3.9820e-8

4.8784e-6

1.1775e-6

5.5802e-8

6.6249e-9

67.3

272

RNCA

HHN

1.8792e-6

3.6089e-7

3.8269e-7

1.6827e-7

5.3162e-8

5.3591e-6

1.7718e-6

6.9670e-8

9.5923e-9

67.3

272

RNCA

HHE

3.1372e-6

6.0280e-7

4.4636e-7

1.7426e-7

9.8467e-8

1.0433e-5

1.6114e-6

1.5645e-7

1.4661e-8

67.3

272

*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: Val di Taro , magnitude (ML): 1.2 2024-12-31 11:29:08 (UTC)

MANUAL Location - Area: Val di Taro , magnitude (M_L): 1.2
2024-12-31 11:29:08 (UTC)