Earthquake with magnitude of ML 1.4 on date 24-02-2020 and time 13:05:33 (Italy) in region 5 km NE Firenzuola (FI)

A magnitude ML 1.4 earthquake occured in region: 5 km NE Firenzuola (FI), on

  • 24-02-2020 12:05:33 (UTC)
  • 24-02-2020 13:05:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.14, 11.43 at 8 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Firenzuola FI 5 4726 4726
Palazzuolo sul Senio FI 10 1154 5880
Castel del Rio BO 10 1246 7126
Monghidoro BO 12 3749 10875
Loiano BO 17 4294 15169
Marradi FI 17 3139 18308
Fontanelice BO 17 1943 20251
San Benedetto Val di Sambro BO 18 4315 24566
Casola Valsenio RA 18 2617 27183
Monzuno BO 20 6328 33511
Borgo Tossignano BO 20 3288 36799

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SW of Imola (69797 inhabitants)
39 Km NE of Prato (191150 inhabitants)
40 Km W of Faenza (58541 inhabitants)
40 Km S of Bologna (386663 inhabitants)
44 Km NE of Firenze (382808 inhabitants)
47 Km E of Pistoia (90315 inhabitants)
47 Km NE of Scandicci (50609 inhabitants)
50 Km W of Forlì (117913 inhabitants)
65 Km W of Cesena (96758 inhabitants)
69 Km W of Ravenna (159116 inhabitants)
69 Km SE of Modena (184973 inhabitants)
79 Km S of Ferrara (133155 inhabitants)
81 Km E of Lucca (89046 inhabitants)
83 Km SE of Carpi (70699 inhabitants)
84 Km NW of Arezzo (99543 inhabitants)
89 Km SE of Reggio nell'Emilia (171345 inhabitants)
91 Km W of Rimini (147750 inhabitants)
92 Km N of Siena (53903 inhabitants)
95 Km NE of Pisa (89158 inhabitants)
99 Km E of Viareggio (62467 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
Bulletin
Rev1000
ML 1.4 2020-02-24
12:05:33
44.14 11.43 8 2020-07-18
21:08:40
Bollettino Sismico Italiano INGV 80086951
Reviewed
Rev100
ML 1.5 2020-02-24
12:05:33
44.13 11.42 0 2020-02-24
12:10:32
Sala Sismica INGV-Roma 76772321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-24 12:05:33 ± 0.12
Latitude 44.14 ± 0.01
Longitude 11.43 ± 0.01
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80086951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 624
Semi-minor axis of confidence ellipse (meter) 460
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 209
Circular confidence region, given by single value of horizontal uncertainty (meter) 620
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 25
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
Epicentral distance of station farthest from the epicenter (degree) 0.43257
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0
Num. used stations 2
Type of magnitude ML
Reference to an origin 76772321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-24 12:10:32

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 80086951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-11 10:02:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.FOSV.EHZ. 2020-02-24T12:05:50.05 3.0 negative manual Pn -2.5 0
IV.ASQU.HHZ. 2020-02-24T12:05:49.36 0.6 undecidable manual S 143 0.4326 50 0.21 46
IV.FIR.HHZ. 2020-02-24T12:05:47.94 3.0 undecidable manual P 0
IV.SFI.EHZ. 2020-02-24T12:05:47.71 0.6 undecidable manual S 128 0.3831 50 0.01 48
IV.MPPT.EHZ. 2020-02-24T12:05:45.03 0.6 undecidable manual S 233 0.3049 103 -0.15 48
IV.RINC.HHZ. 2020-02-24T12:05:44.94 0.6 undecidable manual S 153 0.286 104 0.46 45
IV.FNVD.HHE. 2020-02-24T12:05:42.21 0.6 undecidable manual S 277 0.2203 108 0.17 48
IV.LMD.HHZ. 2020-02-24T12:05:42.29 0.6 undecidable manual S 108 0.2104 108 0.6 43
IV.ASQU.HHZ. 2020-02-24T12:05:42.05 0.1 undecidable manual P 143 0.4326 50 -0.33 89
IV.SFI.EHZ. 2020-02-24T12:05:41.56 0.1 undecidable manual P 128 0.3831 50 0.01 97
IV.MPPT.EHZ. 2020-02-24T12:05:40.20 0.1 undecidable manual P 233 0.3049 103 0.1 96
IV.RUFI.EHZ. 2020-02-24T12:05:40.42 0.3 undecidable manual P 169 0.3094 103 0.22 70
IV.RINC.HHZ. 2020-02-24T12:05:39.30 0.1 undecidable manual P 153 0.286 104 -0.39 91
IV.RONT.HHZ. 2020-02-24T12:05:39.92 0.6 undecidable manual S 179 0.1484 115 0.46 46
IV.FNVD.HHE. 2020-02-24T12:05:38.30 0.1 undecidable manual P 277 0.2203 108 0.02 99
IV.LMD.HHZ. 2020-02-24T12:05:38.08 0.1 undecidable manual P 108 0.2104 108 0 100
IV.BRIS.HHZ. 2020-02-24T12:05:38.67 0.1 undecidable manual P 71 0.2563 105 -0.38 92
IV.MTRZ.HNE. 2020-02-24T12:05:38.22 0.1 undecidable manual P 359 0.1709 112 0.98 74
IV.SEI.HHZ. 2020-02-24T12:05:38.02 0.6 undecidable manual S 210 0.1007 125 0.16 49
IV.NDIM.HNZ. 2020-02-24T12:05:36.87 3.0 undecidable manual Sn 0.05 0
IV.VISG.HHZ. 2020-02-24T12:05:36.00 0.6 undecidable manual S 6 0.0468 146 -0.38 48
IV.RONT.HHZ. 2020-02-24T12:05:36.72 0.1 undecidable manual P 179 0.1484 115 -0.07 100
IV.SEI.HHZ. 2020-02-24T12:05:35.44 0.1 negative manual P 210 0.1007 125 -0.43 93
IV.VISG.HHZ. 2020-02-24T12:05:34.77 0.1 positive manual P 6 0.0468 146 -0.24 98
IV.MODE.. 2020-02-24T12:05:22.24 3.0 undecidable manual Pg 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHE. ML:0 0.000699 0.84 AML other m 2020-02-24T12:05:36.27
IV.VISG.HHN. ML:0 0.0008735 0.66 AML other m 2020-02-24T12:05:37.17
IV.RONT.HHN. ML:1.6 0.000366 1.34 AML other m 2020-02-24T12:05:42.13
IV.SEI.HHN. ML:1.6 0.0006410379 0.5824 AML other m 2020-02-24T12:05:42.26
IV.SEI.HHE. ML:1.6 0.0004828158 0.3584 AML other m 2020-02-24T12:05:40.05
IV.RONT.HHE. ML:1.4 0.00024445155 0.32 AML other m 2020-02-24T12:05:42.01
IV.LMD.HHE. ML:0.8 4.3302495E-5 0.256 AML other m 2020-02-24T12:05:45.37
IV.LMD.HHN. ML:0.9 5.542805E-5 0.6848 AML other m 2020-02-24T12:05:47.93
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