Earthquake with magnitude of ML 0.9 on date 13-12-2023 and time 14:29:47 (UTC) in region 5 km SW Tredozio (FC)

A magnitude ML 0.9 earthquake occured in region: 5 km SW Tredozio (FC), on

  • 13-12-2023 14:29:47 (UTC)
  • 13-12-2023 15:29:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0490, 11.7090 at 3 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
Tredozio FC 5 1212 1212
Portico e San Benedetto FC 6 756 1968
Marradi FI 8 3139 5107
Premilcuore FC 10 799 5906
Rocca San Casciano FC 11 1910 7816
Modigliana FC 14 4560 12376
Palazzuolo sul Senio FI 15 1154 13530
San Godenzo FI 15 1167 14697
Dovadola FC 17 1653 16350
Galeata FC 17 2516 18866
Civitella di Romagna FC 19 3786 22652
Santa Sofia FC 20 4136 26788
Brisighella RA 20 7639 34427

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km SW of Faenza (58541 inhabitants)
33 Km SW of Forlì (117913 inhabitants)
34 Km S of Imola (69797 inhabitants)
44 Km W of Cesena (96758 inhabitants)
48 Km NE of Firenze (382808 inhabitants)
52 Km E of Prato (191150 inhabitants)
53 Km NE of Scandicci (50609 inhabitants)
57 Km SW of Ravenna (159116 inhabitants)
58 Km SE of Bologna (386663 inhabitants)
65 Km E of Pistoia (90315 inhabitants)
66 Km N of Arezzo (99543 inhabitants)
69 Km W of Rimini (147750 inhabitants)
87 Km NE of Siena (53903 inhabitants)
88 Km S of Ferrara (133155 inhabitants)
91 Km SE of Modena (184973 inhabitants)
98 Km W of Pesaro (94582 inhabitants)
99 Km E of Lucca (89046 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 2023-12-13
14:29:47
44.0488 11.7088 3 2023-12-13
14:39:06
Sala Sismica INGV-Roma 124001031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-13 14:29:47 ± 0.17
Latitude 44.0488 ± 0.0063
Longitude 11.7088 ± 0.0063
Depth (km) 3 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124001031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 589
Semi-minor axis of confidence ellipse (meter) 403
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 185
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 16
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) 0.29138
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 124001031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-13 14:39:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHZ. 2023-12-13T14:31:30.83 3.0 negative manual Pg 18.35 0
GU.SATI.HHZ. 2023-12-13T14:31:20.36 3.0 undecidable manual Sn 0.69 0
IV.MRB1.HHZ. 2023-12-13T14:31:12.28 3.0 undecidable manual Sg 9.84 0
IV.PAOL.HHZ. 2023-12-13T14:30:59.12 3.0 undecidable manual Sn -1.84 0
IV.SALB.HHZ. 2023-12-13T14:30:50.21 3.0 negative manual Pn 3.73 0
IV.GIUL.HHZ. 2023-12-13T14:30:46.32 3.0 undecidable manual Sg 5.1 0
IV.CMPR.HHZ. 2023-12-13T14:30:39.76 3.0 undecidable manual Pn 4.06 0
IV.MRB1.HNZ. 2023-12-13T14:30:35.83 3.0 undecidable manual Pg 11.48 0
IV.PLMA.HHZ. 2023-12-13T14:30:33.93 3.0 undecidable manual Sn 0.68 0
GU.RORO.HHZ. 2023-12-13T14:30:25.07 3.0 undecidable manual Pn -0.59 0
GU.CANO.HHZ. 2023-12-13T14:30:25.36 3.0 negative manual Pn 1.32 0
IV.CSP1.EHZ. 2023-12-13T14:30:04.94 3.0 undecidable manual Sn 0.05 0
IT.MCS.HGN. 2023-12-13T14:29:58.73 0.3 undecidable manual S 101 32.3454 95 0 73
IV.BOSL.HHZ. 2023-12-13T14:29:57.77 0.3 undecidable manual S 244 29.748 96 -0.06 72
IV.VISG.HHZ. 2023-12-13T14:29:56.86 0.3 undecidable manual S 306 26.8509 96 0.03 73
IV.MMO1.EHZ. 2023-12-13T14:29:56.17 3.0 undecidable manual Pn 1.24 0
IT.MCS.HGN. 2023-12-13T14:29:54.71 0.1 undecidable manual P 101 32.3454 95 0.74 79
IV.SFI.EHZ. 2023-12-13T14:29:54.28 0.3 undecidable manual S 145 19.3695 99 0 74
IV.VMGN.HHZ. 2023-12-13T14:29:54.38 0.3 undecidable manual S 233 17.4714 100 0.75 61
IT.MOG.HNE. 2023-12-13T14:29:53.00 0.3 undecidable manual S 19 14.2746 102 0.48 68
IV.VISG.HHZ. 2023-12-13T14:29:52.44 0.6 undecidable manual P 306 26.8509 96 -0.44 45
IV.BOSL.HHZ. 2023-12-13T14:29:52.99 0.1 undecidable manual P 244 29.748 96 -0.46 88
IT.MRR.HGN. 2023-12-13T14:29:51.08 0.3 undecidable manual S 281 8.5803 109 0.46 69
IV.VMGN.HHZ. 2023-12-13T14:29:50.99 0.1 undecidable manual P 233 17.4714 100 -0.04 99
IT.MOG.HNE. 2023-12-13T14:29:50.16 0.1 undecidable manual P 19 14.2746 102 -0.22 96
IV.SFI.EHZ. 2023-12-13T14:29:50.97 0.1 undecidable manual P 145 19.3695 99 -0.43 91
IV.CAFI.HHZ. 2023-12-13T14:29:49.56 3.0 undecidable manual P -0.9 0
IT.MRR.HGN. 2023-12-13T14:29:49.23 0.1 undecidable manual P 281 8.5803 109 -0.06 100
IV.LMD.HHZ. 2023-12-13T14:29:48.08 0.1 undecidable manual P 358 3.1968 133 -0.26 97
IV.LMD.HHZ. 2023-12-13T14:29:48.88 0.1 undecidable manual S 358 3.1968 133 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:0.0 0.0022612698999999997 0.064 AML other m 2023-12-13T14:29:48.99
IV.LMD.HHN. ML:0.0 0.002632583 0.0768 AML other m 2023-12-13T14:29:49.05
IV.SFI.EHN. ML:1.0 0.00008967448999999999 0.096 AML other m 2023-12-13T14:29:54.98
IV.SFI.EHE. ML:0.8 0.000061104785 0.0768 AML other m 2023-12-13T14:29:55.07
IV.CAFI.HNE. ML:1.5 0.00004678649 1.1328 AML other m 2023-12-13T14:29:55.11
IV.CAFI.HNN. ML:1.5 0.0000407762 0.8576 AML other m 2023-12-13T14:30:20.47
IV.CAFI.HHE. ML:1.4 0.000033531455 2.144 AML other m 2023-12-13T14:30:06.00
IV.CAFI.HHN. ML:1.5 0.0000428222 2.7968 AML other m 2023-12-13T14:30:21.98
IV.SFI.HNE. ML:1.2 0.0001237491 0.6848 AML other m 2023-12-13T14:30:06.41
IV.SFI.HNN. ML:1.1 0.000115576445 0.7552 AML other m 2023-12-13T14:29:53.54
IV.VMGN.HHE. ML:0.3 0.000021891877 0.1216 AML other m 2023-12-13T14:29:55.09
IV.VMGN.HHN. ML:0.6 0.000033398894999999996 0.1216 AML other m 2023-12-13T14:29:54.51
IV.VISG.HHE. ML:0.5 0.0000217067 0.384 AML other m 2023-12-13T14:29:56.00
IV.VISG.HHN. ML:0.7 0.000028054725000000003 0.0768 AML other m 2023-12-13T14:29:58.26
IV.BOSL.HHE. ML:0.3 0.000010173775499999999 1.1584 AML other m 2023-12-13T14:30:18.44
IV.BOSL.HHN. ML:0.5 0.000014270105 0.1792 AML other m 2023-12-13T14:29:57.93
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