Earthquake with magnitude of ML 0.3 on date 19-09-2023 and time 17:24:40 (UTC) in region 5 km W Tredozio (FC)

A magnitude ML 0.3 earthquake occured in region: 5 km W Tredozio (FC), on

  • 19-09-2023 17:24:40 (UTC)
  • 19-09-2023 19:24:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0830, 11.6860 at 7 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
Marradi FI 6 3139 4351
Portico e San Benedetto FC 10 756 5107
Palazzuolo sul Senio FI 12 1154 6261
Modigliana FC 12 4560 10821
Rocca San Casciano FC 13 1910 12731
Premilcuore FC 14 799 13530
Casola Valsenio RA 17 2617 16147
Dovadola FC 17 1653 17800
Brisighella RA 17 7639 25439
San Godenzo FI 18 1167 26606

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SW of Faenza (58541 inhabitants)
30 Km S of Imola (69797 inhabitants)
32 Km W of Forlì (117913 inhabitants)
45 Km W of Cesena (96758 inhabitants)
49 Km NE of Firenze (382808 inhabitants)
52 Km E of Prato (191150 inhabitants)
53 Km SE of Bologna (386663 inhabitants)
54 Km NE of Scandicci (50609 inhabitants)
55 Km SW of Ravenna (159116 inhabitants)
64 Km E of Pistoia (90315 inhabitants)
70 Km N of Arezzo (99543 inhabitants)
70 Km W of Rimini (147750 inhabitants)
84 Km S of Ferrara (133155 inhabitants)
87 Km SE of Modena (184973 inhabitants)
90 Km NE of Siena (53903 inhabitants)
98 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 0.3 2023-09-19
17:24:40
44.0832 11.6863 7 2023-09-19
17:38:52
Sala Sismica INGV-Roma 121238501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-19 17:24:40 ± 0.1
Latitude 44.0832 ± 0.0036
Longitude 11.6863 ± 0.0050
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121238501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 396
Semi-minor axis of confidence ellipse (meter) 103
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 219
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50182
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 121238501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-19 17:38:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CIMI.HNZ. 2023-09-19T17:26:33.92 3.0 undecidable manual Pg 15.33 0
IV.SACR.HHZ. 2023-09-19T17:26:25.85 3.0 undecidable manual Sg 2.69 0
IV.MOCO.HNZ. 2023-09-19T17:25:51.17 3.0 undecidable manual Pg 8.37 0
IV.VAGA.HHZ. 2023-09-19T17:25:42.91 3.0 negative manual Pg 6.6 0
GU.TRAV.HHZ. 2023-09-19T17:25:38.25 3.0 negative manual Pg 4.71 0
IV.GIUL.HHZ. 2023-09-19T17:25:28.98 3.0 undecidable manual Pg -0.56 0
MN.TRI.HHZ. 2023-09-19T17:25:23.41 3.0 positive manual Pg 1.86 0
SI.BOSI.HHZ. 2023-09-19T17:25:23.97 3.0 negative manual Pg -0.15 0
IV.BRMO.HHZ. 2023-09-19T17:25:18.95 3.0 positive manual Pn -6.92 0
IV.CAMP.HHZ. 2023-09-19T17:25:12.15 3.0 undecidable manual Pn -6.8 0
IV.RIBO.EHZ.01 2023-09-19T17:25:03.65 3.0 undecidable manual P -4.06 0
IV.BOSL.HHE. 2023-09-19T17:24:51.30 0.6 undecidable manual S 236 30.0477 103 -0.01 48
IV.RUFI.EHZ. 2023-09-19T17:24:51.41 0.3 undecidable manual S 207 30.6471 102 -0.09 71
IV.CRE.HHZ. 2023-09-19T17:24:50.86 0.3 undecidable manual P 158 55.6998 50 -0.3 65
IV.VISG.HHZ. 2023-09-19T17:24:49.21 0.3 undecidable manual S 300 23.2545 106 0.2 70
IV.SFI.EHZ. 2023-09-19T17:24:49.15 0.3 undecidable manual S 147 23.5542 106 0.02 73
IV.SEI.HHZ. 2023-09-19T17:24:49.89 0.3 undecidable manual S 263 26.3514 104 -0.15 71
IV.RINC.EHZ. 2023-09-19T17:24:48.93 0.3 undecidable manual S 196 22.755 107 0.09 72
IV.VMGN.HHZ. 2023-09-19T17:24:48.12 0.3 undecidable manual S 221 18.7701 110 0.57 65
IV.BOSL.HHE. 2023-09-19T17:24:46.70 0.1 undecidable manual P 236 30.0477 103 -0.09 95
IV.RUFI.EHZ. 2023-09-19T17:24:46.69 0.1 undecidable manual P 207 30.6471 102 -0.21 92
IV.SEI.HHZ. 2023-09-19T17:24:45.81 0.1 undecidable manual P 263 26.3514 104 -0.25 92
IV.VISG.HHZ. 2023-09-19T17:24:45.45 0.1 undecidable manual P 300 23.2545 106 -0.01 98
IV.SFI.EHZ. 2023-09-19T17:24:45.63 0.1 undecidable manual P 147 23.5542 106 0.1 96
IV.RINC.EHZ. 2023-09-19T17:24:45.45 0.1 undecidable manual P 196 22.755 107 0.09 96
IV.VMGN.HHZ. 2023-09-19T17:24:44.81 0.1 undecidable manual P 221 18.7701 110 0.19 95
IT.MRR.HGE. 2023-09-19T17:24:43.82 0.3 undecidable manual S 252 6.993 134 -0.16 73
IT.MOG.HNN. 2023-09-19T17:24:43.60 0.1 undecidable manual P 34 11.5773 120 0.3 94
IT.MRR.HGE. 2023-09-19T17:24:42.58 0.1 undecidable manual P 252 6.993 134 0.02 100
IV.LMD.HHE. 2023-09-19T17:24:42.68 0.6 undecidable manual S 111 1.7982 165 -0.37 47
IV.LMD.HHE. 2023-09-19T17:24:41.89 0.1 undecidable manual P 111 1.7982 165 -0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VMGN.HHN. ML:0.4 0.000020951835 0.384 AML other m 2023-09-19T17:24:48.45
IV.VMGN.HHE. ML:0.2 0.000012597878500000001 0.1664 AML other m 2023-09-19T17:24:49.02
IV.VISG.HHE. ML:0.2 0.000010854742500000001 0.1536 AML other m 2023-09-19T17:24:51.35
IV.VISG.HHN. ML:0.4 0.000017047395 0.1408 AML other m 2023-09-19T17:24:50.27
IV.RUFI.EHE. ML:0.0 0.00000748975 0.32 AML other m 2023-09-19T17:24:52.06
IV.RUFI.EHN. ML:0.5 0.0000161774995 0.3968 AML other m 2023-09-19T17:24:51.81
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download