Earthquake with magnitude of ML 1.4 on date 13-02-2023 and time 19:29:36 (UTC) in region 4 km W Premilcuore (FC)

A magnitude ML 1.4 earthquake occured in region: 4 km W Premilcuore (FC), on

  • 13-02-2023 19:29:36 (UTC)
  • 13-02-2023 20:29:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9750, 11.7270 at 20 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
Premilcuore FC 4 799 799
Portico e San Benedetto FC 7 756 1555
San Godenzo FI 10 1167 2722
Tredozio FC 12 1212 3934
Rocca San Casciano FC 13 1910 5844
Marradi FI 14 3139 8983
Santa Sofia FC 15 4136 13119
Galeata FC 15 2516 15635
Civitella di Romagna FC 17 3786 19421
Londa FI 18 1840 21261
Dicomano FI 19 5515 26776

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km SW of Faenza (58541 inhabitants)
37 Km SW of Forlì (117913 inhabitants)
42 Km S of Imola (69797 inhabitants)
44 Km NE of Firenze (382808 inhabitants)
45 Km W of Cesena (96758 inhabitants)
50 Km E of Scandicci (50609 inhabitants)
51 Km E of Prato (191150 inhabitants)
58 Km N of Arezzo (99543 inhabitants)
62 Km SW of Ravenna (159116 inhabitants)
65 Km E of Pistoia (90315 inhabitants)
65 Km SE of Bologna (386663 inhabitants)
68 Km W of Rimini (147750 inhabitants)
80 Km NE of Siena (53903 inhabitants)
95 Km W of Pesaro (94582 inhabitants)
96 Km S of Ferrara (133155 inhabitants)
98 Km SE of Modena (184973 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 1.4 2023-02-13
19:29:36
43.9753 11.7267 20 2023-02-13
19:35:59
Sala Sismica INGV-Roma 114420151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-13 19:29:36 ± 0.21
Latitude 43.9753 ± 0.0063
Longitude 11.7267 ± 0.0087
Depth (km) 20 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 114420151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 770
Semi-minor axis of confidence ellipse (meter) 351
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.49283
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 114420151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-13 19:35:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PARC.HHZ. 2023-02-13T19:29:53.70 0.3 undecidable manual S 131 54.7008 102 0.1 70
IV.CRE.HHZ. 2023-02-13T19:29:50.86 0.6 undecidable manual S 155 43.4232 107 0.17 47
Y1.T1756.HNZ. 2023-02-13T19:29:48.33 0.3 undecidable manual S 73 31.3464 114 0.66 62
IV.IMOL.HNZ. 2023-02-13T19:29:48.43 3.0 undecidable manual S -0.86 0
IV.BRIS.HHZ. 2023-02-13T19:29:47.40 0.3 undecidable manual S 7 27.8499 118 0.59 65
IV.RUFI.EHZ. 2023-02-13T19:29:46.05 0.6 undecidable manual S 229 23.0547 124 0.32 47
IV.PARC.HHZ. 2023-02-13T19:29:45.90 0.1 positive manual P 131 54.7008 102 -0.38 88
IV.CRE.HHZ. 2023-02-13T19:29:44.54 0.6 negative manual P 155 43.4232 107 -0.06 48
IV.VMGN.HHZ. 2023-02-13T19:29:44.34 0.6 undecidable manual S 262 15.6732 137 0.13 50
IV.LMD.HHZ. 2023-02-13T19:29:43.09 0.3 undecidable manual S 352 11.3775 146 -0.41 71
IV.SFI.EHZ. 2023-02-13T19:29:43.82 0.6 undecidable manual S 129 12.3765 144 0.17 49
IV.BRIS.HHZ. 2023-02-13T19:29:42.43 0.3 negative manual P 7 27.8499 118 0.08 74
Y1.T1756.HNZ. 2023-02-13T19:29:42.59 0.1 undecidable manual P 73 31.3464 114 -0.25 95
IV.SEI.HHZ. 2023-02-13T19:29:42.92 0.6 undecidable manual P 287 30.6471 115 0.18 48
IV.RUFI.EHZ. 2023-02-13T19:29:41.90 0.3 positive manual P 229 23.0547 124 0.17 73
IV.VMGN.HHZ. 2023-02-13T19:29:40.96 0.1 undecidable manual P 262 15.6732 137 0.11 100
IV.LMD.HHZ. 2023-02-13T19:29:40.05 0.1 undecidable manual P 352 11.3775 146 -0.4 95
IV.SFI.EHZ. 2023-02-13T19:29:40.22 0.1 undecidable manual P 129 12.3765 144 -0.31 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:1.7 0.00033899999999999995 0.32 AML other m 2023-02-13T19:29:43.41
IV.LMD.HHN. ML:1.5 0.00021749999999999997 0.56 AML other m 2023-02-13T19:29:43.64
IV.SFI.EHE. ML:1.6 0.00030300000000000005 0.44 AML other m 2023-02-13T19:29:43.43
IV.SFI.EHN. ML:1.5 0.0002265 0.68 AML other m 2023-02-13T19:29:44.83
IV.BRIS.HHE. ML:1.4 0.0000977 0.28 AML other m 2023-02-13T19:29:47.69
IV.BRIS.HHN. ML:1.4 0.0001015 0.42 AML other m 2023-02-13T19:29:47.47
IV.CRE.HHN. ML:1.2 0.0000427 0.22 AML other m 2023-02-13T19:29:51.17
IV.CRE.HHE. ML:1.2 0.0000375 0.5 AML other m 2023-02-13T19:29:51.50
IV.PARC.HHE. ML:0.8 0.000015348463 0.384 AML other m 2023-02-13T19:29:57.73
IV.PARC.HHN. ML:1.1 0.000027524612 0.5888 AML other m 2023-02-13T19:29:56.82
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download