Earthquake with magnitude of ML 1.0 on date 19-09-2023 and time 17:01:41 (Italy) in region 3 km W Tredozio (FC)

A magnitude ML 1.0 earthquake occured in region: 3 km W Tredozio (FC), on

  • 19-09-2023 15:01:41 (UTC)
  • 19-09-2023 17:01:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0830, 11.7080 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 3 1212 1212
Marradi FI 8 3139 4351
Portico e San Benedetto FC 9 756 5107
Modigliana FC 11 4560 9667
Rocca San Casciano FC 11 1910 11577
Premilcuore FC 13 799 12376
Palazzuolo sul Senio FI 13 1154 13530
Dovadola FC 15 1653 15183
Brisighella RA 16 7639 22822
Casola Valsenio RA 17 2617 25439
San Godenzo FI 19 1167 26606
Galeata FC 19 2516 29122

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km SW of Faenza (58541 inhabitants)
30 Km S of Imola (69797 inhabitants)
31 Km SW of Forlì (117913 inhabitants)
43 Km W of Cesena (96758 inhabitants)
50 Km NE of Firenze (382808 inhabitants)
54 Km E of Prato (191150 inhabitants)
54 Km SW of Ravenna (159116 inhabitants)
54 Km SE of Bologna (386663 inhabitants)
55 Km NE of Scandicci (50609 inhabitants)
65 Km E of Pistoia (90315 inhabitants)
69 Km W of Rimini (147750 inhabitants)
70 Km N of Arezzo (99543 inhabitants)
84 Km S of Ferrara (133155 inhabitants)
88 Km SE of Modena (184973 inhabitants)
90 Km NE of Siena (53903 inhabitants)
98 Km W of Pesaro (94582 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 1.0 2023-09-19
15:01:41
44.083 11.708 7 2023-09-19
15:09:46
Sala Sismica INGV-Roma 121234321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-19 15:01:41 ± 0.14
Latitude 44.0830 ± 0.0036
Longitude 11.7080 ± 0.0063
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 121234321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 491
Semi-minor axis of confidence ellipse (meter) 201
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 289
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 17
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) 0.28419
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 121234321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-19 15:09:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRAC.EHZ. 2023-09-19T15:03:30.94 3.0 undecidable manual Sn 6.73 0
CH.MUGIO.HHZ. 2023-09-19T15:03:11.26 3.0 undecidable manual Sg 9.43 0
SL.BOJS.BHZ. 2023-09-19T15:03:04.52 3.0 undecidable manual Sg 11.78 0
IV.CAR1.HNZ. 2023-09-19T15:03:02.52 3.0 undecidable manual Pg 17.67 0
7C.SPAOL.HNZ. 2023-09-19T15:02:59.22 3.0 positive manual Pn -0.88 0
IV.SERS.HHZ. 2023-09-19T15:02:56.91 3.0 negative manual Pn 6.67 0
OT.OT14.EHZ. 2023-09-19T15:02:55.89 3.0 undecidable manual Sn 1.89 0
IY.CHCE.HHZ.00 2023-09-19T15:02:54.62 3.0 negative manual Pn 2.09 0
GU.GBOS.HHZ. 2023-09-19T15:02:54.36 3.0 undecidable manual Sn -4.55 0
IV.SPS2.HHZ. 2023-09-19T15:02:52.97 3.0 positive manual Pn 7.75 0
MN.TRI.HHZ. 2023-09-19T15:02:48.36 3.0 undecidable manual Sg 6.64 0
GU.GORR.HHZ. 2023-09-19T15:02:40.46 3.0 undecidable manual Sg 1.82 0
IV.CAPA.HHZ. 2023-09-19T15:02:39.07 3.0 negative manual Pg 16.450001 0
GU.GBOS.HHZ. 2023-09-19T15:02:29.80 3.0 undecidable manual Pg 9.49 0
IV.ASSB.HHZ. 2023-09-19T15:02:13.92 3.0 undecidable manual Sg 18.860001 0
MN.TRI.HHZ. 2023-09-19T15:02:04.38 3.0 negative manual Pn -6.27 0
IV.CSNT.HHZ. 2023-09-19T15:02:01.21 3.0 undecidable manual Sn 2.27 0
IV.RUFI.EHN. 2023-09-19T15:01:52.42 0.3 undecidable manual S 210 31.4463 102 -0.19 70
IV.BOSL.HHZ. 2023-09-19T15:01:52.71 0.3 undecidable manual S 238 31.5462 102 0.08 72
IV.SEI.HHN. 2023-09-19T15:01:51.31 0.3 undecidable manual S 264 28.0497 104 -0.14 72
IV.MMO1.EHZ. 2023-09-19T15:01:50.61 3.0 undecidable manual Pn 1.31 0
IV.RINC.EHZ. 2023-09-19T15:01:50.07 0.3 undecidable manual S 200 23.2545 106 0.22 71
IV.VISG.HHZ. 2023-09-19T15:01:50.46 0.3 undecidable manual S 298 24.753 105 0.11 72
IV.VMGN.HHZ. 2023-09-19T15:01:49.06 0.3 undecidable manual S 225 19.9689 109 0.29 70
IV.BOSL.HHZ. 2023-09-19T15:01:47.77 0.1 undecidable manual P 238 31.5462 102 -0.13 95
IV.RUFI.EHN. 2023-09-19T15:01:47.71 0.1 undecidable manual P 210 31.4463 102 -0.18 94
IV.VISG.HHZ. 2023-09-19T15:01:46.46 0.1 undecidable manual P 298 24.753 105 -0.12 96
IV.ARVD.HHZ. 2023-09-19T15:01:46.83 3.0 undecidable manual P 1.73 0
IV.SEI.HHN. 2023-09-19T15:01:46.97 0.1 undecidable manual P 264 28.0497 104 -0.25 93
IV.RINC.EHZ. 2023-09-19T15:01:46.29 0.1 undecidable manual P 200 23.2545 106 -0.01 99
IV.VMGN.HHZ. 2023-09-19T15:01:45.84 0.1 undecidable manual P 225 19.9689 109 0.17 96
IT.MRR.HGN. 2023-09-19T15:01:45.46 0.3 undecidable manual S 256 8.5803 128 0.21 73
IT.MOG.HNE. 2023-09-19T15:01:44.30 0.1 undecidable manual P 26 10.7781 122 0.31 95
IV.LMD.HHZ. 2023-09-19T15:01:43.46 0.6 undecidable manual S 185 0.5994 175 -0.35 48
IT.MRR.HGN. 2023-09-19T15:01:43.72 0.1 undecidable manual P 256 8.5803 128 0.08 100
IV.LMD.HHZ. 2023-09-19T15:01:42.66 0.1 undecidable manual P 185 0.5994 175 -0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VMGN.HHN. ML:0.9 0.00006565 0.28 AML other m 2023-09-19T15:01:49.62
IV.VMGN.HHE. ML:0.8 0.000049916355000000006 0.1792 AML other m 2023-09-19T15:01:49.63
IV.VISG.HHE. ML:0.6 0.000022628995 0.1024 AML other m 2023-09-19T15:01:51.03
IV.VISG.HHN. ML:0.8 0.00003845 0.14 AML other m 2023-09-19T15:01:51.35
IV.LMD.HHE. ML:0.0 0.0052956415 0.0896 AML other m 2023-09-19T15:01:43.52
IV.LMD.HHN. ML:0.0 0.012909365 0.1408 AML other m 2023-09-19T15:01:43.58
IV.RINC.EHE. ML:1.1 0.00007995826 0.1664 AML other m 2023-09-19T15:01:50.27
IV.RINC.EHN. ML:1.0 0.00006803029499999998 0.1792 AML other m 2023-09-19T15:01:50.41
IV.ARVD.HHE. ML:1.3 0.000016367505000000002 0.0768 AML other m 2023-09-19T15:01:49.63
IV.ARVD.HHN. ML:1.4 0.00002093823 0.064 AML other m 2023-09-19T15:01:49.59
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