Earthquake with magnitude of ML 0.7 on date 09-10-2023 and time 09:47:30 (UTC) in region 7 km E Monghidoro (BO)

A magnitude ML 0.7 earthquake occured in region: 7 km E Monghidoro (BO), on

  • 09-10-2023 09:47:30 (UTC)
  • 09-10-2023 11:47:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2050, 11.4080 at 6 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
Monghidoro BO 8 3749 3749
Castel del Rio BO 8 1246 4995
Firenzuola FI 10 4726 9721
Loiano BO 10 4294 14015
Fontanelice BO 13 1943 15958
Monzuno BO 14 6328 22286
Monterenzio BO 14 6035 28321
San Benedetto Val di Sambro BO 14 4315 32636
Palazzuolo sul Senio FI 15 1154 33790
Borgo Tossignano BO 17 3288 37078
Casola Valsenio RA 17 2617 39695
Casalfiumanese BO 20 3438 43133

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km SW of Imola (69797 inhabitants)
33 Km S of Bologna (386663 inhabitants)
39 Km W of Faenza (58541 inhabitants)
44 Km NE of Prato (191150 inhabitants)
49 Km NE of Pistoia (90315 inhabitants)
50 Km N of Firenze (382808 inhabitants)
51 Km W of Forlì (117913 inhabitants)
53 Km NE of Scandicci (50609 inhabitants)
62 Km SE of Modena (184973 inhabitants)
67 Km W of Cesena (96758 inhabitants)
67 Km W of Ravenna (159116 inhabitants)
72 Km S of Ferrara (133155 inhabitants)
77 Km SE of Carpi (70699 inhabitants)
83 Km SE of Reggio nell'Emilia (171345 inhabitants)
83 Km E of Lucca (89046 inhabitants)
90 Km NW of Arezzo (99543 inhabitants)
94 Km W of Rimini (147750 inhabitants)
97 Km NE of Pisa (89158 inhabitants)
99 Km N of Siena (53903 inhabitants)
100 Km E of Viareggio (62467 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 0.7 2023-10-09
09:47:30
44.2047 11.4085 6 2023-10-09
09:56:52
Sala Sismica INGV-Roma 121926321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-09 09:47:30 ± 0.34
Latitude 44.2047 ± 0.0081
Longitude 11.4085 ± 0.0163
Depth (km) 6 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121926321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1058
Semi-minor axis of confidence ellipse (meter) 850
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 102
Circular confidence region, given by single value of horizontal uncertainty (meter) 1060.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.20774
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 121926321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-09 09:56:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.MAIM.HHZ. 2023-10-09T09:47:44.53 3.0 undecidable manual P 0.31 0
IV.FNVD.HHZ. 2023-10-09T09:47:38.49 0.3 undecidable manual S 260 23.0547 105 0.11 73
IV.SEI.HHZ. 2023-10-09T09:47:36.79 0.3 undecidable manual S 193 17.1717 109 0.38 69
IV.MTRZ.HNZ. 2023-10-09T09:47:35.72 1.0 undecidable manual S 6 12.0768 117 0.93 19
IV.FNVD.HHZ. 2023-10-09T09:47:34.56 0.1 positive manual P 260 23.0547 105 -0.32 93
IV.SEI.HHZ. 2023-10-09T09:47:33.75 0.1 undecidable manual P 193 17.1717 109 0 100
IV.VISG.HHZ. 2023-10-09T09:47:32.35 0.3 undecidable manual S 130 2.6973 156 -0.05 76
IV.MTRZ.HNZ. 2023-10-09T09:47:32.85 0.1 undecidable manual P 6 12.0768 117 0.05 100
IV.VISG.HHZ. 2023-10-09T09:47:31.19 0.1 undecidable manual P 130 2.6973 156 -0.24 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHE. ML:0.0 0.000081079975 0.064 AML other m 2023-10-09T09:47:32.52
IV.FNVD.HHN. ML:0.5 0.00001845199 0.1216 AML other m 2023-10-09T09:47:38.62
IV.FNVD.HHE. ML:0.8 0.000037900000000000006 0.08 AML other m 2023-10-09T09:47:38.80
IV.SEI.HHE. ML:0.7 0.00004376019000000001 0.16 AML other m 2023-10-09T09:47:37.41
IV.SEI.HHN. ML:1.2 0.00014014774999999998 0.1792 AML other m 2023-10-09T09:47:37.11
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