Earthquake with magnitude of ML 0.9 on date 09-12-2022 and time 02:21:50 (UTC) in region 6 km SE Monghidoro (BO)

A magnitude ML 0.9 earthquake occured in region: 6 km SE Monghidoro (BO), on

  • 09-12-2022 02:21:50 (UTC)
  • 09-12-2022 03:21:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1760, 11.3540 at 8 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 6 3749 3749
Firenzuola FI 7 4726 8475
San Benedetto Val di Sambro BO 11 4315 12790
Loiano BO 11 4294 17084
Castel del Rio BO 13 1246 18330
Monzuno BO 13 6328 24658
Castiglione dei Pepoli BO 16 5648 30306
Palazzuolo sul Senio FI 17 1154 31460
Monterenzio BO 17 6035 37495
Grizzana Morandi BO 18 3916 41411
Fontanelice BO 19 1943 43354

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SW of Imola (69797 inhabitants)
36 Km S of Bologna (386663 inhabitants)
39 Km NE of Prato (191150 inhabitants)
44 Km NE of Pistoia (90315 inhabitants)
44 Km W of Faenza (58541 inhabitants)
46 Km N of Firenze (382808 inhabitants)
48 Km N of Scandicci (50609 inhabitants)
55 Km W of Forlì (117913 inhabitants)
62 Km SE of Modena (184973 inhabitants)
71 Km W of Cesena (96758 inhabitants)
73 Km W of Ravenna (159116 inhabitants)
77 Km S of Ferrara (133155 inhabitants)
77 Km SE of Carpi (70699 inhabitants)
77 Km E of Lucca (89046 inhabitants)
82 Km SE of Reggio nell'Emilia (171345 inhabitants)
90 Km NW of Arezzo (99543 inhabitants)
92 Km NE of Pisa (89158 inhabitants)
95 Km E of Viareggio (62467 inhabitants)
95 Km N of Siena (53903 inhabitants)
98 Km W of Rimini (147750 inhabitants)
98 Km E of Massa (69479 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 0.9 2022-12-09
02:21:50
44.1758 11.3537 8 2022-12-09
02:28:55
Sala Sismica INGV-Roma 112646581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-09 02:21:50 ± 0.15
Latitude 44.1758 ± 0.0054
Longitude 11.3537 ± 0.0063
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 112646581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 598
Semi-minor axis of confidence ellipse (meter) 139
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 339
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.05936
Epicentral distance of station farthest from the epicenter (degree) 0.32196
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 112646581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-09 02:28:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRIS.HHZ. 2022-12-09T02:22:02.61 0.3 undecidable manual S 81 33.2445 103 0.26 69
IV.MPPT.EHZ. 2022-12-09T02:22:01.76 0.1 undecidable manual S 221 32.0457 103 -0.18 95
IV.BOSL.HHZ. 2022-12-09T02:22:00.60 0.1 undecidable manual S 177 27.2505 106 0.29 94
IV.VMGN.HHE. 2022-12-09T02:22:00.36 0.3 undecidable manual S 150 28.3494 105 -0.35 70
IV.MOCL.EHE. 2022-12-09T02:21:59.20 0.3 undecidable manual S 216 23.4543 108 0.14 74
IV.ZCCA.HHZ. 2022-12-09T02:21:58.36 0.6 positive manual P 303 35.742 102 0.54 41
IV.FNVD.HHZ. 2022-12-09T02:21:57.57 0.3 undecidable manual S 267 18.3705 113 0.15 74
IV.BRIS.HHZ. 2022-12-09T02:21:57.51 0.3 negative manual P 81 33.2445 103 0.17 71
IV.SEI.HHZ. 2022-12-09T02:21:56.41 0.3 undecidable manual S 178 13.4754 120 0.52 69
IV.MPPT.EHZ. 2022-12-09T02:21:56.69 0.3 undecidable manual P 221 32.0457 103 -0.41 68
IV.VMGN.HHE. 2022-12-09T02:21:56.00 0.1 undecidable manual P 150 28.3494 105 -0.39 92
IV.BOSL.HHZ. 2022-12-09T02:21:56.01 0.6 negative manual P 177 27.2505 106 -0.16 49
IV.MOCL.EHE. 2022-12-09T02:21:55.44 0.1 undecidable manual P 216 23.4543 108 0 100
IV.FNVD.HHZ. 2022-12-09T02:21:54.33 0.1 positive manual P 267 18.3705 113 -0.16 98
IV.SEI.HHZ. 2022-12-09T02:21:53.76 0.1 positive manual P 178 13.4754 120 0.15 99
IV.VISG.HHE. 2022-12-09T02:21:53.93 0.3 undecidable manual S 77 6.5934 139 -0.08 74
IV.VISG.HHE. 2022-12-09T02:21:52.28 0.3 undecidable manual P 77 6.5934 139 -0.25 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BOSL.HHN. ML:0.6 0.0000235 0.48 AML other m 2022-12-09T02:22:00.97
IV.BOSL.HHE. ML:0.7 0.0000312 0.28 AML other m 2022-12-09T02:22:00.73
IV.BRIS.HHE. ML:1.0 0.0000381 0.4 AML other m 2022-12-09T02:22:03.50
IV.BRIS.HHN. ML:1.2 0.0000674 0.26 AML other m 2022-12-09T02:22:03.62
IV.SEI.HHE. ML:0.0 0.00045499999999999995 1.72 AML other m 2022-12-09T02:21:57.90
IV.SEI.HHN. ML:0.0 0.00138 0.2 AML other m 2022-12-09T02:21:56.95
IV.MPPT.EHE. ML:0.9 0.000042076019999999996 0.24 AML other m 2022-12-09T02:22:02.21
IV.MPPT.EHN. ML:1.0 0.000043943415 0.24 AML other m 2022-12-09T02:22:02.24
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