Earthquake with magnitude of ML 0.9 on date 12-02-2024 and time 22:05:16 (Italy) in region 4 km SW Palazzuolo sul Senio (FI)

A magnitude ML 0.9 earthquake occured in region: 4 km SW Palazzuolo sul Senio (FI), on

  • 12-02-2024 21:05:16 (UTC)
  • 12-02-2024 22:05:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0830, 11.5190 at 9 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
Palazzuolo sul Senio FI 4 1154 1154
Marradi FI 8 3139 4293
Firenzuola FI 12 4726 9019
Castel del Rio BO 15 1246 10265
Vicchio FI 17 8044 18309
Borgo San Lorenzo FI 18 18211 36520
Casola Valsenio RA 18 2617 39137
Tredozio FC 18 1212 40349
San Godenzo FI 19 1167 41516
Fontanelice BO 20 1943 43459

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km SW of Imola (69797 inhabitants)
37 Km SW of Faenza (58541 inhabitants)
41 Km NE of Prato (191150 inhabitants)
41 Km NE of Firenze (382808 inhabitants)
45 Km W of Forlì (117913 inhabitants)
45 Km NE of Scandicci (50609 inhabitants)
48 Km SE of Bologna (386663 inhabitants)
51 Km E of Pistoia (90315 inhabitants)
58 Km W of Cesena (96758 inhabitants)
66 Km SW of Ravenna (159116 inhabitants)
75 Km NW of Arezzo (99543 inhabitants)
78 Km SE of Modena (184973 inhabitants)
84 Km W of Rimini (147750 inhabitants)
84 Km S of Ferrara (133155 inhabitants)
86 Km E of Lucca (89046 inhabitants)
86 Km N of Siena (53903 inhabitants)
93 Km SE of Carpi (70699 inhabitants)
98 Km SE of Reggio nell'Emilia (171345 inhabitants)
98 Km E of Pisa (89158 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 2024-02-12
21:05:16
44.0833 11.5188 9 2024-02-12
21:14:12
Sala Sismica INGV-Roma 125243911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-12 21:05:16 ± 0.1
Latitude 44.0833 ± 0.0045
Longitude 11.5188 ± 0.0050
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125243911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 464
Semi-minor axis of confidence ellipse (meter) 108
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 187
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.06385
Epicentral distance of station farthest from the epicenter (degree) 0.29588
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 125243911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-12 21:14:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BOSL.HHZ. 2024-02-12T21:05:24.51 0.3 undecidable manual S 214 20.4684 114 0.24 71
IV.SFI.EHZ. 2024-02-12T21:05:23.02 0.1 undecidable manual P 127 32.8449 50 -0.2 94
IV.VISG.HHZ. 2024-02-12T21:05:22.15 0.3 undecidable manual S 330 13.4754 124 0 76
IV.VMGN.HHZ. 2024-02-12T21:05:22.22 0.3 undecidable manual S 176 14.3745 123 -0.17 73
IV.MOCL.EHZ. 2024-02-12T21:05:22.32 0.1 undecidable manual P 252 28.3494 108 -0.14 96
IV.BOSL.HHZ. 2024-02-12T21:05:21.25 0.6 positive manual P 214 20.4684 114 0.27 47
IV.SEI.HHZ. 2024-02-12T21:05:21.79 0.3 undecidable manual S 256 13.1757 125 -0.27 72
IV.VISG.HHZ. 2024-02-12T21:05:20.06 1.0 positive manual P 330 13.4754 124 0.3 24
IV.VMGN.HHZ. 2024-02-12T21:05:20.13 0.3 positive manual P 176 14.3745 123 0.23 72
IT.MRR.HGZ. 2024-02-12T21:05:20.33 0.1 undecidable manual S 108 7.0929 142 -0.17 98
IV.LMD.HHZ. 2024-02-12T21:05:20.18 0.1 undecidable manual P 92 15.0738 121 0.16 97
IV.SEI.HHZ. 2024-02-12T21:05:19.76 0.1 positive manual P 256 13.1757 125 0.05 100
IT.MRR.HGZ. 2024-02-12T21:05:18.90 0.1 undecidable manual P 108 7.0929 142 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHE. ML:1.4 0.00026900000000000003 0.54 AML other m 2024-02-12T21:05:22.02
IV.VMGN.HHE. ML:0.5 0.0000351 0.44 AML other m 2024-02-12T21:05:22.38
IV.SEI.HHN. ML:1.7 0.000519 0.18 AML other m 2024-02-12T21:05:22.42
IV.VISG.HHE. ML:0.5 0.0000329 0.2 AML other m 2024-02-12T21:05:23.05
IV.LMD.HHN. ML:0.9 0.00008195 0.24 AML other m 2024-02-12T21:05:23.21
IV.VISG.HHN. ML:0.6 0.000042800000000000004 0.1 AML other m 2024-02-12T21:05:23.54
IV.LMD.HHE. ML:0.8 0.00006975 1.66 AML other m 2024-02-12T21:05:23.14
IV.VMGN.HHN. ML:0.7 0.000048799999999999994 0.32 AML other m 2024-02-12T21:05:23.97
IV.MOCL.EHE. ML:0.9 0.0000444 0.6 AML other m 2024-02-12T21:05:26.53
IV.MOCL.EHN. ML:1.1 0.0000578 0.22 AML other m 2024-02-12T21:05:27.26
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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