Earthquake with magnitude of ML 1.7 on date 28-07-2023 and time 21:31:06 (Italy) in region 4 km W Serramazzoni (MO)

A magnitude ML 1.7 earthquake occured in region: 4 km W Serramazzoni (MO), on

  • 28-07-2023 19:31:06 (UTC)
  • 28-07-2023 21:31:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4250, 10.7440 at 24 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Serramazzoni MO 4 8282 8282
Prignano sulla Secchia MO 4 3747 12029
Polinago MO 9 1672 13701
Castellarano RE 10 15232 28933
Montefiorino MO 12 2203 31136
Pavullo nel Frignano MO 12 17383 48519
Lama Mocogno MO 13 2734 51253
Sassuolo MO 13 40853 92106
Palagano MO 14 2194 94300
Baiso RE 14 3315 97615
Fiorano Modenese MO 14 17160 114775
Maranello MO 15 17359 132134
Toano RE 16 4463 136597
Viano RE 17 3374 139971
Guiglia MO 17 3931 143902
Marano sul Panaro MO 18 5060 148962
Carpineti RE 18 4064 153026
Castelvetro di Modena MO 18 11185 164211
Casalgrande RE 18 19310 183521
Formigine MO 19 34323 217844
Montecreto MO 20 940 218784
Frassinoro MO 20 1926 220710
Scandiano RE 20 25483 246193

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SW of Modena (184973 inhabitants)
32 Km S of Reggio nell'Emilia (171345 inhabitants)
41 Km S of Carpi (70699 inhabitants)
48 Km W of Bologna (386663 inhabitants)
53 Km SE of Parma (192836 inhabitants)
56 Km N of Pistoia (90315 inhabitants)
64 Km NE of Carrara (63133 inhabitants)
64 Km NE of Massa (69479 inhabitants)
67 Km NW of Prato (191150 inhabitants)
67 Km NE of Lucca (89046 inhabitants)
73 Km NE of Viareggio (62467 inhabitants)
78 Km W of Imola (69797 inhabitants)
81 Km E of La Spezia (93959 inhabitants)
82 Km NW of Scandicci (50609 inhabitants)
83 Km SW of Ferrara (133155 inhabitants)
83 Km NE of Pisa (89158 inhabitants)
84 Km NW of Firenze (382808 inhabitants)
92 Km W of Faenza (58541 inhabitants)
97 Km SE of Cremona (71901 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.7 2023-07-28
19:31:06
44.4253 10.744 24 2023-07-28
19:53:23
Sala Sismica INGV-Roma 119666271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-28 19:31:06 ± 0.2
Latitude 44.4253 ± 0.0108
Longitude 10.7440 ± 0.0139
Depth (km) 24 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119666271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1255
Semi-minor axis of confidence ellipse (meter) 197
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 147
Circular confidence region, given by single value of horizontal uncertainty (meter) 1260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.98930
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 18
Type of magnitude ML
Reference to an origin 119666271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-28 19:53:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2023-07-28T19:32:42.49 0.6 undecidable manual Sn 3.22 0
SI.LUSI.HHZ. 2023-07-28T19:31:54.55 0.6 undecidable manual Sg 0.63 0.96
IV.CSP1.EHZ. 2023-07-28T19:31:49.05 3.0 undecidable manual Pg 7.31 0
IV.FIAM.HHZ. 2023-07-28T19:31:48.20 3.0 negative manual Pn -1 0
ST.OZOL.EHZ. 2023-07-28T19:31:38.60 1.0 negative manual P 6 220.8123 54 -0.8 11
IV.MAGA.HHZ. 2023-07-28T19:31:30.53 0.6 positive manual P 357 150.0387 54 -0.06 39
GU.GORR.HHZ. 2023-07-28T19:31:26.31 0.1 undecidable manual P 280 116.5944 97 0.29 80
MN.VLC.HHZ. 2023-07-28T19:31:20.70 0.6 undecidable manual S 224 40.9257 114 0.04 49
GU.POPM.HHZ. 2023-07-28T19:31:20.72 0.6 undecidable manual S 179 42.2244 113 -0.26 47
IV.PII.HHZ. 2023-07-28T19:31:20.03 0.1 undecidable manual P 193 79.9644 101 -0.42 84
GU.SARM.EHZ. 2023-07-28T19:31:19.88 0.6 undecidable manual S 226 38.2284 116 -0.12 49
IV.MPPT.EHZ. 2023-07-28T19:31:18.20 0.1 undecidable manual P 152 58.7967 106 0.93 73
GU.MAIM.HHZ. 2023-07-28T19:31:18.03 0.1 undecidable manual P 200 60.2952 105 0.54 85
IV.ERBM.EHN. 2023-07-28T19:31:18.05 0.6 undecidable manual S 269 26.2515 127 0.78 40
IV.ZCCA.HHZ. 2023-07-28T19:31:16.46 0.6 undecidable manual S 114 20.1687 135 0.41 47
MN.VLC.HHZ. 2023-07-28T19:31:15.14 0.6 undecidable manual P 224 40.9257 114 0.46 45
IV.PDN10.EHZ. 2023-07-28T19:31:15.91 0.6 undecidable manual S 100
IV.BDI.HHZ. 2023-07-28T19:31:15.00 0.6 positive manual P 196 41.9247 113 0.18 47
GU.GSCL.HHZ. 2023-07-28T19:31:14.67 0.6 undecidable manual S 236 14.874 145 -0.46 47
GU.POPM.HHZ. 2023-07-28T19:31:14.45 0.6 undecidable manual P 179 42.2244 113 -0.41 45
GU.SARM.EHZ. 2023-07-28T19:31:14.22 0.1 undecidable manual P 226 38.2284 116 -0.08 98
IV.FNVD.HHZ. 2023-07-28T19:31:14.21 0.1 undecidable manual P 133 41.5251 113 -0.55 86
IV.ERBM.EHN. 2023-07-28T19:31:12.39 0.1 undecidable manual P 269 26.2515 127 -0.33 95
IV.ZCCA.HHZ. 2023-07-28T19:31:12.16 0.1 undecidable manual P 114 20.1687 135 0.14 100
GU.GSCL.HHZ. 2023-07-28T19:31:11.09 0.1 positive manual P 236 14.874 145 -0.4 95
IV.PDN10.EHZ. 2023-07-28T19:31:10.69 0.1 undecidable manual P 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GSCL.HHE. ML:2.3 0.0010554999999999998 0.16 AML other m 2023-07-28T19:31:15.16
GU.GSCL.HHN. ML:2.3 0.0011895 0.16 AML other m 2023-07-28T19:31:15.19
IV.ZCCA.HHN. ML:0.0 0.00043999999999999996 0.36 AML other m 2023-07-28T19:31:18.48
IV.ZCCA.HNN. ML:0.0 0.0004885 0.38 AML other m 2023-07-28T19:31:18.49
IV.ZCCA.HHE. ML:0.0 0.00044 0.38 AML other m 2023-07-28T19:31:18.56
IV.ZCCA.HNE. ML:0.0 0.000407 0.34 AML other m 2023-07-28T19:31:18.58
IV.FNVD.HHE. ML:1.4 0.00007055000000000001 0.56 AML other m 2023-07-28T19:31:21.35
IV.FNVD.HHN. ML:1.4 0.000079 0.16 AML other m 2023-07-28T19:31:21.09
MN.VLC.HHN. ML:0.8 0.0000195 0.58 AML other m 2023-07-28T19:31:21.64
IV.BDI.HHN. ML:1.4 0.00007235 0.48 AML other m 2023-07-28T19:31:22.25
MN.VLC.HHE. ML:1.0 0.0000293 1.22 AML other m 2023-07-28T19:31:22.80
GU.POPM.HHE. ML:1.2 0.000045350000000000005 0.72 AML other m 2023-07-28T19:31:23.06
GU.POPM.HHN. ML:1.2 0.0000457 1.64 AML other m 2023-07-28T19:31:23.92
IV.BDI.HHE. ML:1.4 0.00007545 0.56 AML other m 2023-07-28T19:31:23.69
GU.GORR.HHE. ML:0.0 0.00004295 0.8 AML other m 2023-07-28T19:31:46.38
GU.GORR.HHN. ML:0.0 0.0000634 0.32 AML other m 2023-07-28T19:31:46.72
IV.MAGA.HHN. ML:1.8 0.000034200000000000005 0.64 AML other m 2023-07-28T19:31:49.84
IV.MAGA.HHE. ML:2.1 0.00006154999999999999 1.42 AML other m 2023-07-28T19:31:50.79
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download