RSNI - Manually revised location

MANUAL Location - Area: Appennino modenese , magnitude (M_L): 1.0
2025-06-02 13:47:25 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-06-03 07:36:14

Earthquake info - Manual location

Event - ID :	250602134632
Magnitude (M_L) :	1.0 +/- 0.2
Origin Time :	2025-06-02 13:47:25.683 (UTC)
Location :	Latitude: 44.360 N, Longitude: 10.834 E
Area :	Appennino modenese
Depth (km) :	21.38
Distances (km) :	2.7 --- Pavullo nel Frignano 8.3 --- Serramazzoni 8.8 --- Polinago 9.9 --- Lama Mocogno 12.6 --- Guiglia 12.8 --- Zocca 13.2 --- Montese 14.3 --- Prignano sulla Secchia 15.2 --- Sestola 15.3 --- Montecreto 15.3 --- Palagano 15.4 --- Marano sul Panaro 16.1 --- Castel d Aiano 16.8 --- Montefiorino 17.1 --- Fanano 18.4 --- Castelvetro di Modena 18.8 --- Maranello 18.8 --- Castellarano 19.4 --- Savigno 19.5 --- Vignola

Quality location estimate: Erh: 0.5 km, Erz: 0.6 km, Nf: 18, Gap: 188 °, Rms: 0.34

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.
ZCCA	IV	2025-06-02 13:47:30.990	0.010	0	0.00	2.16	2025-06-02 13:47:35.900	0.072	2	0.75	0.35	24.9
GSCL	GU	2025-06-02 13:47:31.540	0.012	0	0.01	2.09	2025-06-02 13:47:35.750	0.086	2	-0.03	1.55	29.5
POPM	GU	2025-06-02 13:47:33.330	0.018	0	-0.02	1.97	2025-06-02 13:47:39.070	0.123	3	0.02	1.31	41.7
BDI	IV	2025-06-02 13:47:33.760	0.019	0	-0.00	1.95	2025-06-02 13:47:39.569	0.130	4	-0.16	0.98	44.1
SARM	GU	2025-06-02 13:47:33.967	0.020	0	-0.03	1.89	2025-06-02 13:47:40.210	0.134	4	0.11	1.12	45.5
VLC	MN	2025-06-02 13:47:36.015	0.020	0	1.75	0.21	2025-06-02 13:47:41.514	0.040	0	0.96	0.38	47.4
CARD	GU	2025-06-02 13:47:36.579	0.020	0	1.66	0.22	2025-06-02 13:47:41.800	0.234	6	0.15	0.91	51.3
SEI	IV	2025-06-02 13:47:37.453	0.020	0	0.91	0.39	2025-06-02 13:47:44.230	0.242	6	-0.80	0.07	58.2
MAIM	GU	2025-06-02 13:47:37.780	0.100	4	1.22	0.13	2025-06-02 13:47:44.935	0.040	0	0.56	0.31	60.6

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
ZCCA	IV	HH	1.16	2.54e-1	24.9	95
GSCL	GU	HH	1.24	2.26e-1	29.5	267
POPM	GU	HH	0.97	1.24e-1	41.7	190
BDI	IV	HH	1.07	8.78e-2	44.1	210
CARD	GU	HH	1.15	6.19e-2	51.3	217
MAIM	GU	HH	0.65	1.23e-2	60.6	209

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.
(°)

ZCCA

HHZ

1.3425e-5

2.0983e-6

1.8129e-6

1.0612e-6

4.1370e-7

2.2725e-5

1.2144e-5

5.7017e-7

6.5448e-8

24.9

ZCCA

HHN

1.2775e-5

2.7352e-6

2.0443e-6

1.0296e-6

4.7644e-7

1.3705e-5

1.4331e-5

6.5854e-7

8.6376e-8

24.9

ZCCA

HHE

1.4065e-5

1.9323e-6

1.6101e-6

1.2269e-6

5.6983e-7

1.9162e-5

6.9422e-6

7.3122e-7

7.0689e-8

24.9

GSCL

HHZ

3.8452e-6

6.9296e-7

5.7538e-7

2.2827e-7

8.7222e-8

8.6394e-6

2.4779e-6

1.2245e-7

1.9779e-8

29.5

267

GSCL

HHN

6.0277e-6

2.2049e-6

1.5918e-6

6.8364e-7

2.9341e-7

1.8302e-5

9.3846e-6

4.0120e-7

5.3796e-8

29.5

267

GSCL

HHE

7.6610e-6

2.6976e-6

1.8346e-6

5.7340e-7

2.6489e-7

2.2532e-5

1.1033e-5

4.2560e-7

7.3090e-8

29.5

267

POPM

HHZ

5.0339e-6

1.1786e-6

5.4659e-7

1.7799e-7

9.7582e-8

1.2842e-5

2.2738e-6

1.5497e-7

2.5516e-8

41.7

190

POPM

HHN

6.3600e-6

1.4591e-6

9.6795e-7

2.2442e-7

1.3861e-7

1.7958e-5

4.4128e-6

1.9780e-7

3.4716e-8

41.7

190

POPM

HHE

5.4415e-6

1.5924e-6

1.0337e-6

3.3610e-7

1.6978e-7

1.0380e-5

6.1986e-6

2.2989e-7

4.2259e-8

41.7

190

BDI

HHZ

3.8253e-6

6.0625e-7

4.1738e-7

1.2991e-7

6.8505e-8

8.2648e-6

2.3599e-6

9.9615e-8

1.6704e-8

44.1

210

BDI

HHN

4.5890e-6

9.7359e-7

8.6550e-7

4.0844e-7

1.3637e-7

1.1805e-5

5.1119e-6

2.0148e-7

2.5544e-8

44.1

210

BDI

HHE

4.8049e-6

8.9044e-7

6.5628e-7

2.5357e-7

9.4405e-8

1.3678e-5

3.0897e-6

1.4307e-7

2.4095e-8

44.1

210

SARM

EHZ

2.4802e-6

3.8769e-7

2.4673e-7

8.5373e-8

3.8212e-8

5.4129e-6

1.6018e-6

5.3736e-8

9.5951e-9

45.5

241

SARM

EHN

2.1292e-6

2.6558e-7

1.7952e-7

8.8342e-8

3.6713e-8

5.1638e-6

8.3488e-7

4.5291e-8

6.8109e-9

45.5

241

SARM

EHE

1.9386e-6

2.7008e-7

1.8533e-7

1.1310e-7

4.6959e-8

3.8192e-6

7.6477e-7

5.2634e-8

6.4755e-9

45.5

241

VLC

HHZ

1.9103e-6

2.8336e-7

1.4236e-7

7.8012e-8

3.6087e-8

3.0913e-6

5.7807e-7

5.3951e-8

7.6650e-9

47.4

238

VLC

HHN

1.1393e-6

1.5863e-7

1.1855e-7

4.8619e-8

2.0169e-8

2.5944e-6

6.8606e-7

2.8118e-8

5.8595e-9

47.4

238

VLC

HHE

1.1732e-6

1.4776e-7

1.0512e-7

5.2504e-8

2.3280e-8

2.0274e-6

5.2166e-7

2.9177e-8

3.4218e-9

47.4

238

CARD

HHZ

4.0290e-6

3.7306e-7

2.0534e-7

8.8166e-8

4.1083e-8

8.5855e-6

9.7659e-7

5.4976e-8

8.0352e-9

51.3

217

CARD

HHN

5.9067e-6

6.2499e-7

4.5180e-7

2.0054e-7

7.1220e-8

1.2132e-5

2.0604e-6

8.7506e-8

1.5284e-8

51.3

217

CARD

HHE

6.3969e-6

1.1746e-6

5.3229e-7

1.6071e-7

8.6990e-8

2.9643e-5

1.9081e-6

1.5160e-7

2.7456e-8

51.3

217

SEI

HHZ

9.0200e-7

2.7907e-7

3.4470e-7

1.5898e-7

5.7347e-8

2.0319e-6

2.1990e-6

7.7478e-8

8.9185e-9

58.2

129

SEI

HHN

1.6808e-6

5.3663e-7

5.4867e-7

3.1643e-7

1.1919e-7

2.7646e-6

3.2648e-6

1.3861e-7

1.7125e-8

58.2

129

SEI

HHE

4.0708e-6

6.8662e-7

6.5821e-7

3.9601e-7

1.5118e-7

4.8056e-6

4.1997e-6

2.1129e-7

2.2677e-8

58.2

129

MAIM

HHZ

4.4748e-7

8.2269e-8

6.9828e-8

3.5724e-8

1.5147e-8

1.2590e-6

3.5743e-7

1.7119e-8

2.3098e-9

60.6

209

MAIM

HHN

5.5790e-7

1.2632e-7

1.1530e-7

6.5690e-8

3.4399e-8

2.0391e-6

8.1699e-7

4.2743e-8

3.7020e-9

60.6

209

MAIM

HHE

5.5849e-7

1.2236e-7

9.8340e-8

5.9671e-8

2.3399e-8

1.9122e-6

6.5024e-7

2.5724e-8

3.4709e-9

60.6

209

*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: Appennino modenese , magnitude (ML): 1.0 2025-06-02 13:47:25 (UTC)

MANUAL Location - Area: Appennino modenese , magnitude (M_L): 1.0
2025-06-02 13:47:25 (UTC)