RSNI - Manually revised location

MANUAL Location - Area: Val di Taro , magnitude (M_L): 1.3
2026-09-28 06:34:12 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-09-28 10:32:54

Earthquake info - Manual location

Event - ID :	260928063307
Magnitude (M_L) :	1.3 +/- 0.2
Origin Time :	2026-09-28 06:34:12.171 (UTC)
Location :	Latitude: 44.501 N, Longitude: 9.898 E
Area :	Val di Taro
Depth (km) :	13.79
Distances (km) :	7.3 --- Berceto 7.8 --- Valmozzola 10.4 --- Borgo Val di Taro 13.7 --- Pontremoli 14.2 --- Solignano 15.3 --- Corniglio 16.6 --- Albareto 18.6 --- Varsi 18.7 --- Compiano 19.0 --- Filattiera 19.5 --- Terenzo 19.6 --- Zeri 19.7 --- Bardi 20.4 --- Monchio delle Corti 20.4 --- Mulazzo 21.0 --- Calestano 21.3 --- Bedonia 21.7 --- Tornolo 21.9 --- Bagnone 22.7 --- Varano de Melegari

Quality location estimate: Erh: 0.9 km, Erz: 1.4 km, Nf: 26, Gap: 170 °, Rms: 0.20

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	2026-09-28 06:34:15.834	0.020	0	-0.08	1.38	2026-09-28 06:34:18.658	0.040	0	0.04	1.70	19.4
GRAM	GU	2026-09-28 06:34:15.850	0.013	0	-0.00	1.92	2026-09-28 06:34:18.660	0.063	1	0.21	0.78	19.8
BGN	IT	2026-09-28 06:34:16.852	0.020	0	-0.01	1.89	2026-09-28 06:34:20.223	0.040	0	0.02	1.68	25.5
VRL	IT	2026-09-28 06:34:17.402	0.020	0	0.01	1.89	2026-09-28 06:34:21.128	0.040	0	-0.07	1.43	28.3
AUL	IT	2026-09-28 06:34:18.576	0.020	0	0.02	1.81	2026-09-28 06:34:23.259	0.040	0	0.13	1.21	35.9
CAR	IT	2026-09-28 06:34:19.298	0.020	0	0.20	0.77	2026-09-28 06:34:24.142	0.040	0	-0.06	1.37	38.6
MSSA	IV	2026-09-28 06:34:18.930	0.022	1	-0.44	0.78	2026-09-28 06:34:24.180	0.115	3	-0.57	0.59	39.4
EQUI	GU	2026-09-28 06:34:19.900	0.044	2	-0.37	0.70	2026-09-28 06:34:25.570	0.184	5	-0.49	0.68	44.7
SARM	GU	2026-09-28 06:34:21.540	0.030	1	-0.62	0.49	2026-09-28 06:34:29.140	0.165	5	-0.45	0.73	55.3
VLC	MN	2026-09-28 06:34:21.577	0.020	0	-0.48	0.75	2026-09-28 06:34:29.194	0.040	0	-0.15	1.10	56.2
CME	IT	2026-09-28 06:34:24.145	0.020	0	-0.45	0.75	2026-09-28 06:34:32.219	0.040	0	-1.45	0.00	70.2
RNCA	GU	2026-09-28 06:34:25.367	0.020	0	0.17	1.02	2026-09-28 06:34:34.814	0.232	6	0.46	0.44	76.5
PCP	GU	2026-09-28 06:34:31.016	0.020	0	0.92	0.08	2026-09-28 06:34:43.461	0.040	0	1.09	0.07	108.3

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
BVT	IT	HN	1.39	6.88e-1	19.4	285
GRAM	GU	HH	1.41	1.26e+0	19.8	95
BGN	IT	HG	1.20	2.67e-1	25.5	159
VRL	IT	HN	1.18	2.09e-1	28.3	240
AUL	IT	HN	1.40	2.22e-1	35.9	170
CAR	IT	HN	1.14	1.05e-1	38.6	218
SARM	GU	EH	1.15	6.28e-2	55.3	131
VLC	MN	HH	0.81	1.65e-2	56.2	134
CME	IT	HN	1.73	1.20e-1	70.2	152
PCP	GU	HH	1.11	1.17e-2	108.3	273

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

3.8983e-5

4.1238e-6

2.6385e-6

1.1714e-6

4.3828e-7

4.1973e-5

1.1123e-5

6.0864e-7

1.0965e-7

19.4

285

BVT

HNN

7.5691e-5

1.2249e-5

5.2619e-6

1.5282e-6

8.0945e-7

2.4041e-4

2.3888e-5

1.3283e-6

2.5676e-7

19.4

285

BVT

HNE

4.9814e-5

7.7700e-6

5.9066e-6

2.3561e-6

1.0781e-6

1.8196e-4

2.3790e-5

1.4281e-6

2.4875e-7

19.4

285

GRAM

HHZ

6.1475e-5

6.8298e-6

3.5334e-6

1.2382e-6

6.1957e-7

8.5560e-5

1.6052e-5

9.0352e-7

1.5434e-7

19.8

GRAM

HHN

1.2320e-4

2.1387e-5

1.0561e-5

2.9893e-6

1.5037e-6

2.4202e-4

6.3814e-5

2.3754e-6

4.6689e-7

19.8

GRAM

HHE

1.0442e-4

1.9863e-5

1.0676e-5

3.7250e-6

1.9577e-6

2.4245e-4

5.5039e-5

3.1105e-6

5.0588e-7

19.8

BGN

HGZ

2.6467e-5

3.5740e-6

1.1962e-6

5.0403e-7

2.5260e-7

1.2059e-4

4.7752e-6

3.8522e-7

9.6020e-8

25.5

159

BGN

HGN

5.4549e-5

6.9257e-6

2.3951e-6

7.1128e-7

4.0384e-7

1.6480e-4

7.4739e-6

6.0201e-7

1.5637e-7

25.5

159

BGN

HGE

3.6054e-5

4.6513e-6

1.8701e-6

6.3156e-7

2.9468e-7

8.2622e-5

5.3898e-6

5.2968e-7

9.7187e-8

25.5

159

VRL

HNZ

9.3146e-6

1.2175e-6

6.6206e-7

3.4678e-7

2.1007e-7

2.2422e-5

3.5610e-6

2.5639e-7

3.2544e-8

28.3

240

VRL

HNN

3.0287e-5

4.3557e-6

1.7926e-6

4.8659e-7

2.7135e-7

1.1217e-4

5.5293e-6

5.1470e-7

1.0845e-7

28.3

240

VRL

HNE

3.0384e-5

3.4920e-6

1.5718e-6

5.1607e-7

2.2380e-7

7.9071e-5

7.2560e-6

3.6046e-7

8.4697e-8

28.3

240

AUL

HNZ

9.3789e-6

1.1548e-6

8.9464e-7

4.2050e-7

1.8703e-7

1.0909e-5

4.8842e-6

2.7586e-7

3.0488e-8

35.9

170

AUL

HNN

9.9220e-6

2.2393e-6

1.5887e-6

5.6895e-7

2.3863e-7

1.3929e-5

1.3074e-5

3.3611e-7

5.4823e-8

35.9

170

AUL

HNE

1.9115e-5

2.5304e-6

2.5078e-6

9.1071e-7

3.3500e-7

1.9475e-5

1.2540e-5

4.4680e-7

7.1026e-8

35.9

170

CAR

HNZ

7.2668e-6

1.1734e-6

6.8197e-7

3.7637e-7

1.6425e-7

1.3177e-5

2.7590e-6

2.5159e-7

2.8462e-8

38.6

218

CAR

HNN

1.2436e-5

1.7642e-6

9.2195e-7

4.4569e-7

2.0914e-7

3.3530e-5

4.4923e-6

2.3757e-7

3.9209e-8

38.6

218

CAR

HNE

1.6026e-5

1.8960e-6

8.0316e-7

3.7910e-7

2.2091e-7

2.1048e-5

3.6474e-6

2.9558e-7

3.9664e-8

38.6

218

MSSA

HHZ

4.3516e-6

6.6717e-7

3.7429e-7

1.2230e-7

7.1403e-8

1.0081e-5

1.5913e-6

1.0529e-7

1.3858e-8

39.4

236

MSSA

HHN

6.6886e-6

1.3498e-6

8.1479e-7

2.2842e-7

1.0772e-7

2.1419e-5

3.3250e-6

1.6517e-7

2.8824e-8

39.4

236

MSSA

HHE

5.5814e-6

9.6468e-7

6.9723e-7

2.2257e-7

1.0065e-7

1.4963e-5

3.5189e-6

1.3957e-7

2.4581e-8

39.4

236

EQUI

HHZ

1.7100e-6

2.9729e-7

1.4986e-7

5.4309e-8

2.8145e-8

3.9851e-6

9.3275e-7

4.7210e-8

7.3979e-9

44.7

151

EQUI

HHN

2.2699e-6

2.9791e-7

2.2996e-7

9.4282e-8

4.8156e-8

5.0925e-6

1.0569e-6

5.4461e-8

7.4958e-9

44.7

151

EQUI

HHE

3.3472e-6

4.7336e-7

2.1880e-7

8.0701e-8

3.8727e-8

5.2458e-6

8.7822e-7

5.4648e-8

1.0132e-8

44.7

151

SARM

EHZ

1.0552e-6

2.8390e-7

2.2333e-7

8.0010e-8

3.4932e-8

3.9187e-6

1.1844e-6

4.8494e-8

6.7591e-9

55.3

131

SARM

EHN

2.0329e-6

6.8398e-7

5.6972e-7

2.7294e-7

1.1822e-7

5.4450e-6

2.6284e-6

1.6351e-7

1.8019e-8

55.3

131

SARM

EHE

1.5770e-6

3.8612e-7

3.0793e-7

1.4505e-7

6.1256e-8

3.6560e-6

2.4323e-6

8.7062e-8

1.0316e-8

55.3

131

VLC

HHZ

1.7539e-6

1.5399e-7

8.0879e-8

3.3252e-8

2.2432e-8

2.6350e-6

3.2195e-7

4.3180e-8

3.1866e-9

56.2

134

VLC

HHN

1.3368e-6

2.0026e-7

1.2612e-7

4.8485e-8

2.6315e-8

4.8536e-6

7.0175e-7

3.3968e-8

4.7648e-9

56.2

134

VLC

HHE

1.7080e-6

1.9577e-7

1.1186e-7

7.1778e-8

5.5410e-8

3.9436e-6

3.8458e-7

9.4508e-8

8.0225e-9

56.2

134

CME

HNZ

4.0353e-6

6.6254e-7

6.3238e-7

3.2338e-7

1.5489e-7

1.0597e-5

2.7457e-6

1.6674e-7

2.1520e-8

70.2

152

CME

HNN

6.4575e-6

1.1979e-6

1.1067e-6

6.0921e-7

2.7775e-7

1.3642e-5

5.7926e-6

3.0973e-7

3.7505e-8

70.2

152

CME

HNE

5.1213e-6

1.1011e-6

8.1143e-7

3.8415e-7

2.1265e-7

1.5493e-5

3.9925e-6

2.2477e-7

2.9398e-8

70.2

152

RNCA

HHZ

2.4486e-6

4.5835e-7

2.7581e-7

9.6085e-8

4.4972e-8

7.2985e-6

1.3896e-6

7.5231e-8

1.0451e-8

76.5

268

RNCA

HHN

3.7848e-6

8.2415e-7

6.0125e-7

1.8899e-7

8.2376e-8

8.7420e-6

3.6913e-6

1.2161e-7

2.0814e-8

76.5

268

RNCA

HHE

5.3687e-6

1.3355e-6

8.0217e-7

2.3561e-7

1.1549e-7

1.8678e-5

4.7154e-6

1.6703e-7

3.0613e-8

76.5

268

PCP

HHZ

2.7896e-7

6.2945e-8

6.1911e-8

3.3404e-8

1.4521e-8

9.8450e-7

4.6623e-7

2.3519e-8

2.3895e-9

108.3

273

PCP

HHN

4.1502e-7

1.1606e-7

9.9817e-8

4.8592e-8

2.7969e-8

1.4383e-6

5.9181e-7

3.7621e-8

3.4910e-9

108.3

273

PCP

HHE

4.3438e-7

8.7073e-8

7.0518e-8

2.5839e-8

1.3886e-8

1.6697e-6

3.6380e-7

1.8340e-8

2.8873e-9

108.3

273

*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): 1.3 2026-09-28 06:34:12 (UTC)

MANUAL Location - Area: Val di Taro , magnitude (M_L): 1.3
2026-09-28 06:34:12 (UTC)