Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 06-09-2024 and time 02:07:28 (Italy) in region 3 km SW Fontanelice (BO)

A magnitude ML 1.5 earthquake occured in region: 3 km SW Fontanelice (BO), on

  • 06-09-2024 00:07:28 (UTC)
  • 06-09-2024 02:07:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2340, 11.5380 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Fontanelice BO 3 1943 1943
Castel del Rio BO 3 1246 3189
Borgo Tossignano BO 6 3288 6477
Casola Valsenio RA 7 2617 9094
Casalfiumanese BO 10 3438 12532
Palazzuolo sul Senio FI 13 1154 13686
Monterenzio BO 15 6035 19721
Riolo Terme RA 16 5720 25441
Dozza BO 16 6652 32093
Monghidoro BO 18 3749 35842
Loiano BO 18 4294 40136
Firenzuola FI 18 4726 44862
Marradi FI 19 3139 48001
Brisighella RA 19 7639 55640
Castel San Pietro Terme BO 19 20811 76451
Imola BO 19 69797 146248

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km SW of Imola (69797 inhabitants)
28 Km W of Faenza (58541 inhabitants)
33 Km SE of Bologna (386663 inhabitants)
40 Km W of Forlì (117913 inhabitants)
53 Km NE of Prato (191150 inhabitants)
56 Km NE of Firenze (382808 inhabitants)
57 Km W of Ravenna (159116 inhabitants)
57 Km W of Cesena (96758 inhabitants)
60 Km NE of Pistoia (90315 inhabitants)
60 Km NE of Scandicci (50609 inhabitants)
67 Km SE of Modena (184973 inhabitants)
67 Km S of Ferrara (133155 inhabitants)
80 Km SE of Carpi (70699 inhabitants)
84 Km W of Rimini (147750 inhabitants)
89 Km SE of Reggio nell'Emilia (171345 inhabitants)
90 Km NW of Arezzo (99543 inhabitants)
93 Km E of Lucca (89046 inhabitants)
95 Km S of Rovigo (51867 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 1.5 2024-09-06
00:07:28		 44.2338 11.5385 24 2024-09-06
00:15:44		 Sala Sismica INGV-Roma 131242131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-09-06 00:07:28 ± 0.37
Latitude 44.2338 ± 0.0135
Longitude 11.5385 ± 0.0176
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 131242131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1353
Semi-minor axis of confidence ellipse (meter) 949
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 225
Circular confidence region, given by single value of horizontal uncertainty (meter) 1350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.08723
Epicentral distance of station farthest from the epicenter (degree) 0.27879
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 131242131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-09-06 00:15:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VMGN.HHZ. 2024-09-06T00:07:40.44 0.3 undecidable manual S 181 30.9468 121 0.58 63
IT.MRR.HGZ. 2024-09-06T00:07:37.30 0.3 undecidable manual S 165 19.5693 135 -0.13 75
IT.MOG.HNZ. 2024-09-06T00:07:37.73 0.3 undecidable manual S 111 19.4694 135 0.31 71
IV.VISG.HHZ. 2024-09-06T00:07:35.83 0.3 undecidable manual S 239 9.6792 155 -0.08 76
IV.VMGN.HHZ. 2024-09-06T00:07:34.92 0.1 undecidable manual P 181 30.9468 121 0.01 99
IV.SEI.HHZ. 2024-09-06T00:07:34.07 0.1 undecidable manual P 216 24.5532 128 -0.02 100
IT.MOG.HNZ. 2024-09-06T00:07:33.30 0.1 undecidable manual P 111 19.4694 135 -0.2 97
IV.MTRZ.HHZ. 2024-09-06T00:07:33.28 0.1 positive manual P 314 12.5763 148 0.44 94
IT.MRR.HGZ. 2024-09-06T00:07:33.16 0.1 undecidable manual P 165 19.5693 135 -0.35 94
IV.VISG.HHZ. 2024-09-06T00:07:32.33 0.1 undecidable manual P 239 9.6792 155 -0.3 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHE. ML:1.1 0.0000825 0.12 AML other m 2024-09-06T00:07:35.86
IV.VISG.HHN. ML:1.2 0.00009214999999999999 1.46 AML other m 2024-09-06T00:07:36.05
IV.MTRZ.HNE. ML:1.7 0.00027800000000000004 1.6 AML other m 2024-09-06T00:07:38.86
IV.SEI.HHN. ML:1.6 0.0001645 1.24 AML other m 2024-09-06T00:07:39.11
IV.MTRZ.HHE. ML:1.7 0.00027550000000000003 0.78 AML other m 2024-09-06T00:07:39.68
IV.SEI.HHE. ML:1.4 0.0001086 1.42 AML other m 2024-09-06T00:07:39.11
IV.MTRZ.HHN. ML:1.7 0.000304 1.56 AML other m 2024-09-06T00:07:39.09
IV.MTRZ.HNN. ML:1.7 0.00031 1.56 AML other m 2024-09-06T00:07:39.88
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