Earthquake with magnitude of ML 0.8 on date 03-10-2023 and time 03:03:02 (UTC) in region 3 km S Vergato (BO)

A magnitude ML 0.8 earthquake occured in region: 3 km S Vergato (BO), on

  • 03-10-2023 03:03:02 (UTC)
  • 03-10-2023 05:03:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2550, 11.1060 at 10 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
Vergato BO 3 7639 7639
Grizzana Morandi BO 4 3916 11555
Castel d'Aiano BO 9 1906 13461
Camugnano BO 10 1885 15346
San Benedetto Val di Sambro BO 11 4315 19661
Castel di Casio BO 12 3448 23109
Marzabotto BO 12 6779 29888
Castiglione dei Pepoli BO 13 5648 35536
Montese MO 13 3353 38889
Zocca MO 13 4719 43608
Monzuno BO 13 6328 49936
Gaggio Montano BO 15 4878 54814
Alto Reno Terme BO 15 6960 61774
Monghidoro BO 17 3749 65523
Loiano BO 17 4294 69817
Sambuca Pistoiese PT 19 1626 71443
Sasso Marconi BO 19 14735 86178
Lizzano in Belvedere BO 20 2212 88390

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SW of Bologna (386663 inhabitants)
39 Km NE of Pistoia (90315 inhabitants)
42 Km N of Prato (191150 inhabitants)
46 Km SE of Modena (184973 inhabitants)
50 Km W of Imola (69797 inhabitants)
55 Km N of Firenze (382808 inhabitants)
56 Km N of Scandicci (50609 inhabitants)
61 Km SE of Carpi (70699 inhabitants)
62 Km W of Faenza (58541 inhabitants)
62 Km SE of Reggio nell'Emilia (171345 inhabitants)
66 Km NE of Lucca (89046 inhabitants)
75 Km W of Forlì (117913 inhabitants)
76 Km SW of Ferrara (133155 inhabitants)
81 Km E of Massa (69479 inhabitants)
81 Km NE of Viareggio (62467 inhabitants)
82 Km NE of Pisa (89158 inhabitants)
83 Km E of Carrara (63133 inhabitants)
87 Km SE of Parma (192836 inhabitants)
89 Km W of Ravenna (159116 inhabitants)
92 Km W of Cesena (96758 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 0.8 2023-10-03
03:03:02
44.2552 11.1065 10 2023-10-03
03:07:39
Sala Sismica INGV-Roma 121693621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-03 03:03:02 ± 0.07
Latitude 44.2552 ± 0.0036
Longitude 11.1065 ± 0.0050
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121693621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 451
Semi-minor axis of confidence ellipse (meter) 348
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 329
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29768
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 121693621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-03 03:07:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIR.HHZ. 2023-10-03T03:03:28.08 3.0 undecidable manual P 0
IV.SEI.HHZ. 2023-10-03T03:03:13.17 0.6 undecidable manual S 138 29.9478 50 0.26 48
IV.PSL.EHZ. 2023-10-03T03:03:13.19 0.3 undecidable manual S 208 30.747 50 0.07 75
IV.MPPT.EHZ. 2023-10-03T03:03:13.77 0.3 undecidable manual S 182 33.0447 50 0.05 75
IV.MOCL.EHE. 2023-10-03T03:03:12.42 0.3 undecidable manual S 168 28.3494 50 -0.06 76
IV.VISG.HHE. 2023-10-03T03:03:12.24 0.3 undecidable manual S 106 27.0507 50 0.11 75
IV.BOSL.HHZ. 2023-10-03T03:03:10.51 3.0 undecidable manual S 0
IV.MOCL.EHE. 2023-10-03T03:03:08.06 0.1 undecidable manual P 168 28.3494 50 -0.09 100
IV.SEI.HHZ. 2023-10-03T03:03:08.31 0.6 positive manual P 138 29.9478 50 -0.09 50
IV.PSL.EHZ. 2023-10-03T03:03:08.45 0.1 positive manual P 208 30.747 50 -0.07 100
IV.MPPT.EHZ. 2023-10-03T03:03:08.90 0.3 positive manual P 182 33.0447 50 0.03 75
IV.FNVD.HHZ. 2023-10-03T03:03:07.24 0.6 undecidable manual S 172 9.7791 136 0.1 52
IV.VISG.HHE. 2023-10-03T03:03:07.81 0.1 undecidable manual P 106 27.0507 50 -0.14 99
IV.BOSL.HHZ. 2023-10-03T03:03:06.65 3.0 undecidable manual P 0
IV.ZCCA.HHZ. 2023-10-03T03:03:06.04 0.6 positive manual P 316 14.7741 125 0.2 50
IV.FNVD.HHZ. 2023-10-03T03:03:04.98 0.3 positive manual P 172 9.7791 136 -0.09 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FNVD.HHN. ML:0.4 0.00003455 0.56 AML other m 2023-10-03T03:03:07.41
IV.FNVD.HHE. ML:0.6 0.0000563 0.2 AML other m 2023-10-03T03:03:08.72
IV.SEI.HHN. ML:1.0 0.0000479 0.76 AML other m 2023-10-03T03:03:13.59
IV.SEI.HHE. ML:0.8 0.00002965 0.86 AML other m 2023-10-03T03:03:13.54
IV.MPPT.EHN. ML:0.8 0.00003115 0.2 AML other m 2023-10-03T03:03:14.57
IV.MPPT.EHE. ML:0.9 0.0000339 0.58 AML other m 2023-10-03T03:03:14.48
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