RSNI - Manually revised location

MANUAL Location - Area: Pianura padana emiliana , magnitude (M_L): 1.6
2025-07-06 12:34:59 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-07-07 09:39:39

Earthquake info - Manual location

Event - ID :	250706123444
Magnitude (M_L) :	1.6 +/- 0.2
Origin Time :	2025-07-06 12:34:59.435 (UTC)
Location :	Latitude: 44.891 N, Longitude: 11.152 E
Area :	Pianura padana emiliana
Depth (km) :	12.05
Distances (km) :	5.6 --- San Felice sul Panaro 6.8 --- Mirandola 7.9 --- Medolla 10.1 --- Poggio Rusco 10.2 --- San Giovanni del Dosso 11.3 --- Cavezzo 11.4 --- Camposanto 12.2 --- San Possidonio 12.7 --- Villa Poma 12.9 --- Finale Emilia 13.0 --- San Giacomo delle Segnate 13.0 --- Magnacavallo 13.4 --- Schivenoglia 13.6 --- Concordia sulla Secchia 15.2 --- San Prospero 16.5 --- Pieve di Coriano 17.0 --- Sermide 17.4 --- Carbonara di Po 18.0 --- Revere 18.3 --- Borgofranco sul Po

Quality location estimate: Erh: 1.2 km, Erz: 0.8 km, Nf: 25, Gap: 152 °, Rms: 0.30

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.
CAVE	IV	2025-07-06 12:35:03.520	0.008	0	0.00	1.67	2025-07-06 12:35:07.240	0.052	1	0.38	1.31	17.1
SERM	IV	2025-07-06 12:35:04.430	0.010	0	-0.01	1.66	2025-07-06 12:35:08.838	0.395	8	0.37	1.13	21.1
ZCCA	IV	2025-07-06 12:35:12.440	0.032	1	-1.02	0.09	--:--	-.---	-	-.--	-.--	62.8
GSCL	GU	2025-07-06 12:35:15.138	0.150	6	-0.17	1.04	2025-07-06 12:35:28.251	0.360	7	0.71	0.81	75.9
BALD	NI	2025-07-06 12:35:17.950	0.100	4	1.20	0.25	2025-07-06 12:35:30.417	0.250	6	0.33	1.17	92.8
GRAM	GU	2025-07-06 12:35:18.178	0.100	4	-0.23	0.89	2025-07-06 12:35:33.458	0.160	4	0.09	1.22	97.5
GARG	NI	2025-07-06 12:35:18.850	0.130	6	1.39	0.19	2025-07-06 12:35:31.560	0.327	7	0.20	1.13	97.6
SARM	GU	2025-07-06 12:35:18.901	0.150	6	0.22	1.42	--:--	-.---	-	-.--	-.--	99.3
POPM	GU	2025-07-06 12:35:19.089	0.120	5	0.17	1.45	--:--	-.---	-	-.--	-.--	99.9
CARD	GU	2025-07-06 12:35:20.980	0.055	2	0.44	1.21	2025-07-06 12:35:36.460	0.519	9	-0.27	0.78	110.6
DOSS	ST	2025-07-06 12:35:19.350	0.055	2	0.11	1.47	2025-07-06 12:35:33.650	0.331	7	-0.19	0.92	110.7
EQUI	GU	2025-07-06 12:35:23.015	0.180	7	2.18	0.01	2025-07-06 12:35:37.803	0.250	6	0.70	0.82	113.7
RUFI	IV	2025-07-06 12:35:21.280	0.075	3	-1.70	0.00	--:--	-.---	-	-.--	-.--	121.1
GAGG	ST	2025-07-06 12:35:23.450	0.067	3	0.29	1.37	2025-07-06 12:35:40.533	0.160	4	-0.48	0.63	133.9
CTI	IV	2025-07-06 12:35:22.990	0.067	3	0.45	1.17	--:--	-.---	-	-.--	-.--	134.8
MSSA	IV	2025-07-06 12:35:26.510	0.073	3	0.45	1.17	--:--	-.---	-	-.--	-.--	144.8

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
GSCL	GU	HH	1.45	5.35e-2	75.9	217
GRAM	GU	HH	1.74	1.05e-1	97.5	243
CARD	GU	HH	1.80	4.99e-2	110.6	209
EQUI	GU	HH	1.46	2.09e-2	113.7	225

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.
(°)

GSCL

HHZ

8.0794e-7

1.6240e-7

1.7359e-7

9.3809e-8

4.3795e-8

1.7676e-6

9.9558e-7

5.0896e-8

5.2686e-9

75.9

217

GSCL

HHN

1.9012e-6

5.3705e-7

5.2463e-7

1.9385e-7

8.7529e-8

3.3420e-6

3.1058e-6

1.1453e-7

1.4534e-8

75.9

217

GSCL

HHE

1.4653e-6

3.8839e-7

4.0057e-7

1.3970e-7

6.1917e-8

2.6243e-6

1.9963e-6

7.7035e-8

1.0333e-8

75.9

217

BALD

HHZ

8.0836e-6

1.7224e-6

1.2224e-6

4.4216e-7

2.0612e-7

2.6237e-5

4.8661e-6

2.7205e-7

3.9317e-8

92.8

344

BALD

HHN

1.5284e-5

4.0020e-6

3.3645e-6

1.2687e-6

5.1778e-7

5.2649e-5

1.4689e-5

7.1601e-7

1.0413e-7

92.8

344

BALD

HHE

1.9604e-5

5.4601e-6

4.7181e-6

1.6960e-6

6.0566e-7

5.9649e-5

2.7304e-5

8.9202e-7

1.3885e-7

92.8

344

GRAM

HHZ

1.6373e-6

4.2835e-7

3.4622e-7

1.5679e-7

6.6224e-8

3.6846e-6

1.4672e-6

8.7311e-8

1.0882e-8

97.5

243

GRAM

HHN

3.2808e-6

1.0494e-6

8.4217e-7

3.4021e-7

1.4194e-7

5.3179e-6

5.8761e-6

1.9289e-7

2.6488e-8

97.5

243

GRAM

HHE

2.5395e-6

7.2752e-7

6.7499e-7

3.8968e-7

1.2949e-7

4.5630e-6

3.5966e-6

1.6597e-7

1.9717e-8

97.5

243

GARG

EHZ

6.6693e-6

1.4410e-6

1.3948e-6

4.4477e-7

2.1476e-7

2.6782e-5

7.5740e-6

3.0154e-7

4.3828e-8

97.6

337

GARG

EHN

1.0035e-5

2.4832e-6

2.0547e-6

7.3058e-7

3.3465e-7

1.8777e-5

1.4330e-5

4.3736e-7

7.8298e-8

97.6

337

GARG

EHE

9.2993e-6

2.4815e-6

2.4644e-6

9.2281e-7

4.2624e-7

2.2211e-5

2.0773e-5

5.8570e-7

6.9061e-8

97.6

337

CARD

HHZ

1.3421e-6

2.1955e-7

1.5528e-7

8.6474e-8

3.9879e-8

3.3812e-6

7.5607e-7

5.2406e-8

6.0016e-9

110.6

209

CARD

HHN

2.8279e-6

5.6629e-7

4.5527e-7

1.9360e-7

8.4551e-8

1.1018e-5

1.9072e-6

1.1091e-7

1.4673e-8

110.6

209

CARD

HHE

2.7639e-6

4.6060e-7

3.8110e-7

1.8590e-7

8.8617e-8

1.0222e-5

1.3939e-6

1.3087e-7

1.3086e-8

110.6

209

EQUI

HHZ

1.8787e-6

2.4501e-7

1.7772e-7

7.7019e-8

2.9857e-8

2.4503e-6

1.3049e-6

3.7466e-8

6.2077e-9

113.7

225

EQUI

HHN

6.3482e-7

1.9512e-7

1.9044e-7

9.9157e-8

3.7684e-8

1.4468e-6

1.4827e-6

4.8529e-8

5.1405e-9

113.7

225

EQUI

HHE

7.3561e-7

2.4872e-7

2.0011e-7

8.7346e-8

3.6392e-8

1.6392e-6

1.2918e-6

4.8193e-8

7.1925e-9

113.7

225

*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: Pianura padana emiliana , magnitude (ML): 1.6 2025-07-06 12:34:59 (UTC)

MANUAL Location - Area: Pianura padana emiliana , magnitude (M_L): 1.6
2025-07-06 12:34:59 (UTC)