Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 09-05-2022 and time 05:12:48 (Italy) in region 4 km SW Impruneta (FI)

A magnitude ML 2.4 earthquake occured in region: 4 km SW Impruneta (FI), on

  • 09-05-2022 03:12:48 (UTC)
  • 09-05-2022 05:12:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6540, 11.2380 at 7 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.

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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
Impruneta FI 4 14615 14615
San Casciano in Val di Pesa FI 4 17062 31677
Greve in Chianti FI 10 13862 45539
Tavarnelle Val di Pesa FI 12 7800 53339
Scandicci FI 13 50609 103948
Bagno a Ripoli FI 13 25611 129559
Firenze FI 13 382808 512367
Montespertoli FI 13 13537 525904
Barberino Val d'Elsa FI 14 4386 530290
Lastra a Signa FI 17 20156 550446
Figline e Incisa Valdarno FI 17 23505 573951
Fiesole FI 18 13969 587920
Signa FI 18 19179 607099
Rignano sull'Arno FI 19 8651 615750
Montelupo Fiorentino FI 19 14098 629848
Certaldo FI 20 16121 645969

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SE of Scandicci (50609 inhabitants)
13 Km S of Firenze (382808 inhabitants)
28 Km SE of Prato (191150 inhabitants)
38 Km N of Siena (53903 inhabitants)
40 Km SE of Pistoia (90315 inhabitants)
56 Km W of Arezzo (99543 inhabitants)
63 Km E of Lucca (89046 inhabitants)
68 Km E of Pisa (89158 inhabitants)
76 Km E of Livorno (159219 inhabitants)
83 Km E of Viareggio (62467 inhabitants)
87 Km SW of Imola (69797 inhabitants)
87 Km SW of Faenza (58541 inhabitants)
90 Km SW of Forlì (117913 inhabitants)
94 Km S of Bologna (386663 inhabitants)
97 Km SW of Cesena (96758 inhabitants)
98 Km E of Massa (69479 inhabitants)
100 Km N of Grosseto (82087 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 2.4 2022-05-09
03:12:48		 43.6543 11.2382 7 2023-01-31
19:03:32		 Bollettino Sismico Italiano INGV 108590951
Reviewed
Rev100 		ML 2.4 2022-05-09
03:12:48		 43.656 11.2532 7 2022-05-09
03:19:48		 Sala Sismica INGV-Roma 104372591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-09 03:12:48 ± 0.07
Latitude 43.6543 ± 0.0036
Longitude 11.2382 ± 0.0062
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 108590951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 364
Semi-minor axis of confidence ellipse (meter) 361
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 274
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 50
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 56
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.12051
Epicentral distance of station farthest from the epicenter (degree) 2.80858
Number of stations at which the event was observed 39
Number of stations from which data was used for origin computation 39
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 64
Type of magnitude ML
Reference to an origin 104372591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-09 03:19:48

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 76
Type of magnitude ML
Reference to an origin 108590951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-10-18 14:29:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.KOSI.HHZ. 2022-05-09T03:13:34.88 0.3 undecidable manual P 2 311.7546 38 0.63 17
ST.DOSS.HHZ. 2022-05-09T03:13:25.94 0.3 undecidable manual P 359 246.9639 38 -0.25 32
ST.VARA.EHZ. 2022-05-09T03:13:25.55 0.6 undecidable manual P 354 242.3796 38 -0.07 23
IV.EL6.EHZ. 2022-05-09T03:13:14.81 0.6 undecidable manual P 103 154.2345 50 0.9 29
IV.ASSB.HHZ. 2022-05-09T03:13:12.45 0.6 undecidable manual P 120 133.1667 50 1.79 19
IV.ARVD.HHZ. 2022-05-09T03:13:12.83 0.6 undecidable manual P 97 137.9619 50 1.43 24
GU.GRAM.HHZ. 2022-05-09T03:13:11.44 0.3 undecidable manual P 315 131.6682 50 1.01 45
IV.MAGO.CHE. 2022-05-09T03:13:08.40 0.6 undecidable manual S 228 62.9925 50 0.04 47
IV.VISG.HHZ. 2022-05-09T03:13:08.00 0.6 undecidable manual S 15 61.2942 50 0.08 46
IV.FNVD.HHZ. 2022-05-09T03:13:07.30 0.6 undecidable manual S 351 57.6978 50 0.35 44
IV.LMD.HHZ. 2022-05-09T03:13:07.50 0.6 undecidable manual S 38 60.0954 50 -0.09 46
GU.POPM.HHZ. 2022-05-09T03:13:07.40 0.6 undecidable manual S 319 57.9975 50 0.38 44
IV.CRE.HHZ. 2022-05-09T03:13:06.60 0.6 undecidable manual S 94 57.3981 50 -0.27 45
GU.EQUI.HHZ. 2022-05-09T03:13:06.79 0.3 undecidable manual P 304 103.6185 50 0.68 55
IV.ATPI.EHZ. 2022-05-09T03:13:05.33 0.6 undecidable manual P 103 96.2259 50 0.35 41
IV.ATVO.HHZ. 2022-05-09T03:13:05.59 0.3 undecidable manual P 107 98.7234 50 0.24 63
IV.ATMI.HHZ. 2022-05-09T03:13:05.08 0.3 undecidable manual P 113 90.1431 50 1.05 48
IV.CASP.HHZ. 2022-05-09T03:13:05.99 0.3 undecidable manual P 198 100.4217 50 0.38 61
IV.ARCI.HHZ. 2022-05-09T03:13:04.33 0.6 undecidable manual P 168 91.0422 50 0.16 43
GU.GSCL.HHZ. 2022-05-09T03:13:04.91 0.6 undecidable manual P 326 93.0402 50 0.44 40
IV.FROS.CHE. 2022-05-09T03:13:04.00 0.6 undecidable manual S 188 49.8168 50 -0.83 38
IV.ZCCA.HHZ. 2022-05-09T03:13:03.02 0.1 undecidable manual P 345 80.0643 50 0.55 80
IV.SEI.HHZ. 2022-05-09T03:13:03.30 0.6 undecidable manual S 12 45.4212 50 -0.36 45
IV.PARC.HHZ. 2022-05-09T03:13:02.47 0.3 undecidable manual P 90 80.2641 50 -0.04 68
IV.RIBO.EHZ. 2022-05-09T03:13:02.48 0.3 undecidable manual P 191 79.7646 50 0.05 68
IV.MOCL.EHZ. 2022-05-09T03:13:01.70 0.6 undecidable manual S 353 39.1275 50 -0.3 46
GU.CARD.HHZ. 2022-05-09T03:13:01.38 0.1 undecidable manual P 305 73.1712 50 -0.04 91
IV.MPPT.EHZ. 2022-05-09T03:13:00.40 0.3 undecidable manual S 341 35.6421 101 -0.43 68
IV.BDI.HHZ. 2022-05-09T03:13:00.87 0.1 negative manual P 312 68.4759 50 0.17 90
IV.CAFI.HHZ. 2022-05-09T03:13:00.57 0.1 positive manual P 121 68.7756 50 -0.17 90
IV.LMD.HHZ. 2022-05-09T03:12:59.10 0.1 negative manual P 38 60.0954 50 -0.3 89
GU.MAIM.HHZ. 2022-05-09T03:12:59.87 0.1 negative manual P 296 66.2781 50 -0.49 84
IV.VISG.HHZ. 2022-05-09T03:12:59.54 0.1 positive manual P 15 61.2942 50 -0.05 93
IV.MAGO.CHE. 2022-05-09T03:12:59.71 0.1 positive manual P 228 62.9925 50 -0.14 91
IV.FNVD.HHZ. 2022-05-09T03:12:59.10 0.1 negative manual P 351 57.6978 50 0.07 93
IV.BOSL.HHZ. 2022-05-09T03:12:59.20 0.6 undecidable manual S 20 32.5452 102 -0.58 43
IV.CRE.HHZ. 2022-05-09T03:12:58.55 0.3 negative manual P 94 57.3981 50 -0.44 65
IV.CRMI.HHZ. 2022-05-09T03:12:58.20 0.6 undecidable manual S 307 25.9518 105 0.64 43
IV.PII.HHZ. 2022-05-09T03:12:58.82 0.1 negative manual P 278 57.6978 50 -0.21 91
IV.RUFI.EHE. 2022-05-09T03:12:58.70 0.3 undecidable manual S 47 29.748 103 -0.14 73
GU.POPM.HHZ. 2022-05-09T03:12:58.58 0.3 undecidable manual P 319 57.9975 50 -0.49 64
IV.FROS.CHE. 2022-05-09T03:12:57.41 0.1 positive manual P 188 49.8168 50 -0.4 89
IV.SEI.HHZ. 2022-05-09T03:12:56.92 0.1 positive manual P 12 45.4212 50 -0.21 93
IV.MPPT.EHZ. 2022-05-09T03:12:55.03 0.1 negative manual P 341 35.6421 101 -0.47 89
IT.FIE.HGZ. 2022-05-09T03:12:55.00 0.6 undecidable manual S 15 17.5713 112 0.22 49
IV.MOCL.EHZ. 2022-05-09T03:12:55.66 0.1 negative manual P 353 39.1275 50 -0.51 88
IV.CSNT.HHZ. 2022-05-09T03:12:55.20 0.6 undecidable manual S 168 20.5683 109 -0.56 45
IV.RUFI.EHE. 2022-05-09T03:12:54.17 0.1 positive manual P 47 29.748 103 -0.18 96
IV.BOSL.HHZ. 2022-05-09T03:12:54.68 0.1 positive manual P 20 32.5452 102 -0.21 95
IV.OSSC.HHZ. 2022-05-09T03:12:54.00 0.6 undecidable manual S 178 14.5743 116 0.17 49
IV.CRMI.HHZ. 2022-05-09T03:12:53.51 0.1 negative manual P 307 25.9518 105 -0.1 98
IV.FIR.HHZ. 2022-05-09T03:12:53.80 0.6 undecidable manual S 6 13.3755 118 0.33 48
IT.FIE.HGZ. 2022-05-09T03:12:52.44 0.1 negative manual P 15 17.5713 112 0.43 93
IV.CSNT.HHZ. 2022-05-09T03:12:52.40 0.1 positive manual P 168 20.5683 109 -0.17 98
IV.FIR.HHZ. 2022-05-09T03:12:51.59 0.1 positive manual P 6 13.3755 118 0.34 96
IV.OSSC.HHZ. 2022-05-09T03:12:51.57 0.1 positive manual P 178 14.5743 116 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIR.HHE. ML:3.2 0.02085 0.2 AML other m 2022-05-09T03:12:54.41
IV.FIR.HNE. ML:3.3 0.0215 0.2 AML other m 2022-05-09T03:12:54.41
IV.FIR.HNN. ML:3.1 0.0147 0.34 AML other m 2022-05-09T03:12:54.68
IV.FIR.HHN. ML:3.1 0.01405 0.32 AML other m 2022-05-09T03:12:54.68
IV.OSSC.HHE. ML:3.0 0.010385 0.24 AML other m 2022-05-09T03:12:54.50
IV.OSSC.HHN. ML:2.7 0.00501 1.3 AML other m 2022-05-09T03:12:55.22
IV.CSNT.HHE. ML:2.8 0.00483 1.14 AML other m 2022-05-09T03:12:57.57
IV.CSNT.HHN. ML:2.6 0.0034649999999999998 0.3 AML other m 2022-05-09T03:12:58.26
IV.CRMI.HNN. ML:2.3 0.001145 0.54 AML other m 2022-05-09T03:12:59.20
IV.CRMI.HHE. ML:2.1 0.000716 0.6 AML other m 2022-05-09T03:12:59.41
IV.CRMI.HNE. ML:2.2 0.001003 0.6 AML other m 2022-05-09T03:12:59.42
IV.CRMI.HHN. ML:2.3 0.0011505 0.68 AML other m 2022-05-09T03:12:59.63
IV.BOSL.HHE. ML:2.7 0.0021500000000000004 0.2 AML other m 2022-05-09T03:12:59.77
IV.BOSL.HHN. ML:2.5 0.0013900000000000002 0.26 AML other m 2022-05-09T03:13:00.14
IV.MPPT.EHN. ML:2.6 0.001655 1.38 AML other m 2022-05-09T03:13:00.21
IV.MPPT.EHE. ML:2.8 0.00273 1.46 AML other m 2022-05-09T03:13:00.20
IV.MOCL.EHN. ML:3.1 0.004229999999999999 0.26 AML other m 2022-05-09T03:13:03.06
IV.MOCL.EHE. ML:3.0 0.003785 0.3 AML other m 2022-05-09T03:13:03.74
IV.PII.HHE. ML:2.7 0.0011315 0.26 AML other m 2022-05-09T03:13:06.69
IV.PII.HHN. ML:2.7 0.001153 1.18 AML other m 2022-05-09T03:13:06.85
IV.CRE.HHE. ML:2.4 0.000551 0.44 AML other m 2022-05-09T03:13:07.29
IV.SEI.HHN. ML:3.2 0.0045449999999999996 0.44 AML other m 2022-05-09T03:13:07.74
IV.LMD.HHE. ML:2.5 0.0006495 1.62 AML other m 2022-05-09T03:13:07.93
IV.SEI.HHE. ML:2.8 0.0020499999999999997 0.4 AML other m 2022-05-09T03:13:08.46
IV.VISG.HHE. ML:2.5 0.0007035 0.48 AML other m 2022-05-09T03:13:08.41
IV.LMD.HHN. ML:2.6 0.0008950000000000001 0.82 AML other m 2022-05-09T03:13:08.55
IV.FNVD.HHE. ML:2.7 0.0011014999999999998 0.34 AML other m 2022-05-09T03:13:08.75
IV.CRE.HHN. ML:2.4 0.0005785 1.18 AML other m 2022-05-09T03:13:08.60
IV.VISG.HHN. ML:2.4 0.0005285 0.42 AML other m 2022-05-09T03:13:08.63
GU.POPM.HHE. ML:2.4 0.0005105 0.28 AML other m 2022-05-09T03:13:09.62
IV.CAFI.HHN. ML:2.0 0.0001805 0.84 AML other m 2022-05-09T03:13:09.65
IV.CAFI.HHE. ML:2.2 0.000268 0.6 AML other m 2022-05-09T03:13:09.72
GU.POPM.HHN. ML:2.5 0.0006799999999999999 0.74 AML other m 2022-05-09T03:13:10.41
GU.MAIM.HHE. ML:1.8 0.000125 0.44 AML other m 2022-05-09T03:13:10.19
IV.FNVD.HHN. ML:2.7 0.001155 0.7 AML other m 2022-05-09T03:13:10.90
IV.BDI.HNN. ML:2.2 0.00027 1.64 AML other m 2022-05-09T03:13:12.93
GU.CARD.HHN. ML:2.2 0.00022499999999999997 0.4 AML other m 2022-05-09T03:13:13.63
IV.BDI.HHN. ML:2.2 0.000243 0.74 AML other m 2022-05-09T03:13:13.27
IV.PARC.HHE. ML:2.0 0.0001475 0.84 AML other m 2022-05-09T03:13:13.77
GU.CARD.HHE. ML:2.2 0.00027749999999999997 0.36 AML other m 2022-05-09T03:13:14.04
IV.BDI.HHE. ML:2.3 0.00033199999999999994 0.36 AML other m 2022-05-09T03:13:14.63
IV.BDI.HNE. ML:2.3 0.00033499999999999996 1.08 AML other m 2022-05-09T03:13:14.31
GU.MAIM.HHN. ML:2.2 0.00025550000000000003 0.4 AML other m 2022-05-09T03:13:15.25
IV.PARC.HHN. ML:2.3 0.0002785 0.58 AML other m 2022-05-09T03:13:16.46
IV.ZCCA.HHE. ML:2.4 0.0003445 0.42 AML other m 2022-05-09T03:13:17.48
IV.ZCCA.HNE. ML:2.4 0.00035299999999999996 0.42 AML other m 2022-05-09T03:13:17.48
IV.ARCI.HHN. ML:2.2 0.000167 0.38 AML other m 2022-05-09T03:13:17.63
IV.ARCI.HHE. ML:2.1 0.000155 1.52 AML other m 2022-05-09T03:13:17.87
IV.CASP.HHN. ML:1.8 0.0000698 0.82 AML other m 2022-05-09T03:13:20.80
IV.ATVO.HHE. ML:2.5 0.000289 1.48 AML other m 2022-05-09T03:13:21.04
GU.GSCL.HHN. ML:2.3 0.00021349999999999999 1.4 AML other m 2022-05-09T03:13:22.94
IV.ATVO.HHN. ML:2.4 0.00023050000000000002 0.74 AML other m 2022-05-09T03:13:22.42
GU.EQUI.HHN. ML:2.2 0.0001375 0.28 AML other m 2022-05-09T03:13:22.51
IV.ATMI.HHE. ML:2.6 0.0004215 1.16 AML other m 2022-05-09T03:13:22.65
GU.EQUI.HHE. ML:2.0 0.0001055 0.56 AML other m 2022-05-09T03:13:22.69
IV.ATPI.EHN. ML:2.2 0.000184 0.62 AML other m 2022-05-09T03:13:23.52
GU.GSCL.HHE. ML:2.3 0.00020600000000000002 0.7 AML other m 2022-05-09T03:13:23.52
IV.CASP.HHE. ML:2.0 0.0000931 1.58 AML other m 2022-05-09T03:13:23.82
IV.ZCCA.HHN. ML:2.4 0.000336 0.82 AML other m 2022-05-09T03:13:24.65
IV.ZCCA.HNN. ML:2.4 0.0003735 0.8 AML other m 2022-05-09T03:13:24.64
IV.ATPI.EHE. ML:2.2 0.0001605 0.82 AML other m 2022-05-09T03:13:24.07
IV.ATMI.HHN. ML:2.7 0.0005745 1.2 AML other m 2022-05-09T03:13:25.87
GU.GRAM.HHE. ML:2.4 0.00017299999999999998 1.66 AML other m 2022-05-09T03:13:35.12
GU.GRAM.HHN. ML:2.4 0.0001525 1.06 AML other m 2022-05-09T03:13:36.23
IV.ASSB.HHN. ML:2.2 0.0000954 0.58 AML other m 2022-05-09T03:13:37.78
IV.ARVD.HHN. ML:2.0 0.000060150000000000005 0.52 AML other m 2022-05-09T03:13:37.50
IV.ASSB.HHE. ML:2.0 0.0000624 1.2 AML other m 2022-05-09T03:13:37.67
IV.ARVD.HHE. ML:1.9 0.0000445 0.48 AML other m 2022-05-09T03:13:42.89
ST.VARA.HNN. ML:3.0 0.0001965 1.34 AML other m 2022-05-09T03:14:03.24
ST.DOSS.HHN. ML:2.5 0.00006145 1.22 AML other m 2022-05-09T03:14:06.34
ST.VARA.HNE. ML:2.9 0.0001526 0.58 AML other m 2022-05-09T03:14:08.59
ST.DOSS.HHE. ML:2.5 0.000054449999999999995 0.68 AML other m 2022-05-09T03:14:11.92
SI.KOSI.HHN. ML:2.4 0.000025750000000000002 0.42 AML other m 2022-05-09T03:14:28.63
SI.KOSI.HHE. ML:2.6 0.00003835 0.9 AML other m 2022-05-09T03:14:31.61
IX.RSF3.HHE.02 ML:3.1 0.00005745 0.68 AML other m 2022-05-09T03:15:06.41
IX.RSF3.HHN.02 ML:3.1 0.00004895 1.32 AML other m 2022-05-09T03:15:06.13
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
Waveforms Seismic signals in miniseed + resp format Download