Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 25-03-2024 and time 03:04:14 (Italy) in region 7 km NW Palazzuolo sul Senio (FI)

A magnitude ML 1.4 earthquake occured in region: 7 km NW Palazzuolo sul Senio (FI), on

  • 25-03-2024 02:04:14 (UTC)
  • 25-03-2024 03:04:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1530, 11.4880 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.

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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 7 1154 1154
Castel del Rio BO 7 1246 2400
Firenzuola FI 9 4726 7126
Fontanelice BO 13 1943 9069
Marradi FI 13 3139 12208
Casola Valsenio RA 13 2617 14825
Monghidoro BO 16 3749 18574
Borgo Tossignano BO 16 3288 21862
Loiano BO 19 4294 26156
Casalfiumanese BO 19 3438 29594

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SW of Imola (69797 inhabitants)
35 Km W of Faenza (58541 inhabitants)
40 Km SE of Bologna (386663 inhabitants)
43 Km NE of Prato (191150 inhabitants)
45 Km W of Forlì (117913 inhabitants)
46 Km NE of Firenze (382808 inhabitants)
50 Km NE of Scandicci (50609 inhabitants)
52 Km E of Pistoia (90315 inhabitants)
60 Km W of Cesena (96758 inhabitants)
64 Km W of Ravenna (159116 inhabitants)
71 Km SE of Modena (184973 inhabitants)
77 Km S of Ferrara (133155 inhabitants)
83 Km NW of Arezzo (99543 inhabitants)
85 Km SE of Carpi (70699 inhabitants)
86 Km E of Lucca (89046 inhabitants)
87 Km W of Rimini (147750 inhabitants)
91 Km SE of Reggio nell'Emilia (171345 inhabitants)
94 Km N of Siena (53903 inhabitants)
100 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 1.4 2024-03-25
02:04:14		 44.1533 11.4877 9 2024-03-25
02:16:28		 Sala Sismica INGV-Roma 126138821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-25 02:04:14 ± 0.13
Latitude 44.1533 ± 0.0054
Longitude 11.4877 ± 0.0088
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 126138821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 618
Semi-minor axis of confidence ellipse (meter) 371
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.51081
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 126138821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-25 02:16:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.EHZ. 2024-03-25T02:04:28.19 0.6 undecidable manual S 134 39.7269 50 0.11 47
GU.CARD.HHZ. 2024-03-25T02:04:26.91 3.0 negative manual P -2.07 0
IV.CRMI.HHZ. 2024-03-25T02:04:25.40 0.6 undecidable manual P 226 56.6988 50 0.45 43
IV.MOCL.EHZ. 2024-03-25T02:04:25.72 0.3 undecidable manual S 236 29.4483 106 0.58 65
IV.BOSL.HHZ. 2024-03-25T02:04:23.82 0.3 undecidable manual S 200 26.2515 108 -0.26 71
IV.VMGN.HHZ. 2024-03-25T02:04:23.03 0.3 undecidable manual S 171 22.3554 111 0.23 71
IV.MTRZ.HHZ. 2024-03-25T02:04:22.41 0.3 undecidable manual S 344 18.3705 115 0.88 58
IV.SFI.EHZ. 2024-03-25T02:04:22.01 0.3 undecidable manual P 134 39.7269 50 -0.32 68
IV.IMOL.EHZ. 2024-03-25T02:04:21.13 0.6 undecidable manual P 41 30.5472 106 0.29 46
IV.BOSL.HHZ. 2024-03-25T02:04:20.08 0.6 positive manual P 200 26.2515 108 0.06 49
IV.MOCL.EHZ. 2024-03-25T02:04:20.27 0.6 undecidable manual P 236 29.4483 106 -0.36 46
IV.FNVD.HHZ. 2024-03-25T02:04:20.07 0.1 positive manual P 273 29.0487 107 -0.48 89
IV.RINC.EHZ. 2024-03-25T02:04:20.57 1.0 negative manual P 162 31.1466 106 -0.37 23
IV.SEI.HHZ. 2024-03-25T02:04:20.89 0.3 undecidable manual S 223 15.0738 120 0.39 70
IT.MRR.HGZ. 2024-03-25T02:04:20.40 0.3 undecidable manual S 137 13.4754 123 0.35 71
IV.VMGN.HHZ. 2024-03-25T02:04:19.17 0.1 undecidable manual P 171 22.3554 111 -0.11 98
IV.LMD.HHZ. 2024-03-25T02:04:18.35 0.6 positive manual P 116 19.3695 114 -0.38 46
IV.MTRZ.HHZ. 2024-03-25T02:04:18.62 0.1 undecidable manual P 344 18.3705 115 0.07 99
IV.SEI.HHZ. 2024-03-25T02:04:17.90 0.1 positive manual P 223 15.0738 120 -0.06 100
IV.VISG.HHN. 2024-03-25T02:04:17.59 0.3 undecidable manual S 313 5.7942 146 -0.51 69
IT.MRR.HGZ. 2024-03-25T02:04:17.68 0.3 undecidable manual P 137 13.4754 123 -0.01 76
IV.VISG.HHN. 2024-03-25T02:04:16.19 0.3 undecidable manual P 313 5.7942 146 -0.38 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHN. ML:2.4 0.0026349999999999998 1.72 AML other m 2024-03-25T02:04:23.87
IV.BOSL.HHN. ML:0.8 0.000033299999999999996 0.2 AML other m 2024-03-25T02:04:24.80
IV.LMD.HHN. ML:1.4 0.000186837 0.22 AML other m 2024-03-25T02:04:24.99
IV.SEI.HHE. ML:1.9 0.00079338855 1.58 AML other m 2024-03-25T02:04:24.87
IV.LMD.HHE. ML:1.3 0.0001705687 0.26 AML other m 2024-03-25T02:04:25.70
IV.VMGN.HHE. ML:1.2 0.000106 1.54 AML other m 2024-03-25T02:04:26.87
IV.VMGN.HHN. ML:1.2 0.00009421487000000001 0.34 AML other m 2024-03-25T02:04:26.12
IV.MTRZ.HHN. ML:1.8 0.0005164999999999999 0.42 AML other m 2024-03-25T02:04:26.50
IV.BOSL.HHE. ML:0.7 0.000029464915 0.14 AML other m 2024-03-25T02:04:27.79
IV.MTRZ.HHE. ML:1.8 0.0005005 0.34 AML other m 2024-03-25T02:04:27.11
IV.MOCL.EHE. ML:1.4 0.00013608634999999998 0.14 AML other m 2024-03-25T02:04:28.70
IV.RINC.EHE. ML:1.4 0.0001285 0.3 AML other m 2024-03-25T02:04:28.94
IV.MOCL.EHN. ML:1.6 0.0001831705 0.24 AML other m 2024-03-25T02:04:29.09
IV.SFI.EHN. ML:1.2 0.00004806237 0.16 AML other m 2024-03-25T02:04:32.15
IV.SFI.EHE. ML:1.1 0.000042857536500000004 0.16 AML other m 2024-03-25T02:04:32.69
IV.MTRZ.HNE. ML:1.8 0.0004905636500000001 2.85 AML other m 2024-03-25T02:04:25.87
IV.MTRZ.HNN. ML:1.8 0.00047552669999999995 0.26 AML other m 2024-03-25T02:04:26.50
IV.CRMI.HHE. ML:1.1 0.00002847134 0.56 AML other m 2024-03-25T02:04:39.07
IV.CRMI.HHN. ML:1.4 0.000062386025 0.5 AML other m 2024-03-25T02:04:39.32
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