Earthquake with magnitude of ML 1.2 on date 09-05-2022 and time 19:49:09 (Italy) in region 3 km S Impruneta (FI)

A magnitude ML 1.2 earthquake occured in region: 3 km S Impruneta (FI), on

  • 09-05-2022 17:49:09 (UTC)
  • 09-05-2022 19:49:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6610, 11.2460 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
Impruneta FI 3 14615 14615
San Casciano in Val di Pesa FI 5 17062 31677
Greve in Chianti FI 10 13862 45539
Bagno a Ripoli FI 12 25611 71150
Scandicci FI 12 50609 121759
Firenze FI 12 382808 504567
Tavarnelle Val di Pesa FI 12 7800 512367
Montespertoli FI 14 13537 525904
Barberino Val d'Elsa FI 14 4386 530290
Figline e Incisa Valdarno FI 17 23505 553795
Lastra a Signa FI 17 20156 573951
Fiesole FI 17 13969 587920
Signa FI 18 19179 607099
Rignano sull'Arno FI 18 8651 615750
Sesto Fiorentino FI 20 48958 664708
Montelupo Fiorentino FI 20 14098 678806
Campi Bisenzio FI 20 46166 724972

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km SE of Scandicci (50609 inhabitants)
12 Km S of Firenze (382808 inhabitants)
27 Km SE of Prato (191150 inhabitants)
39 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)
86 Km SW of Imola (69797 inhabitants)
86 Km SW of Faenza (58541 inhabitants)
89 Km SW of Forlì (117913 inhabitants)
93 Km S of Bologna (386663 inhabitants)
96 Km SW of Cesena (96758 inhabitants)
98 Km E of Massa (69479 inhabitants)
101 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
Reviewed
Rev100
ML 1.2 2022-05-09
17:49:09
43.6607 11.2458 9 2022-05-09
17:55:49
Sala Sismica INGV-Roma 104411271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-09 17:49:09 ± 0.06
Latitude 43.6607 ± 0.0036
Longitude 11.2458 ± 0.0050
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 104411271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 419
Semi-minor axis of confidence ellipse (meter) 314
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 260
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.53330
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 104411271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-09 17:55:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZOVE.EHZ. 2022-05-09T17:50:06.38 3.0 undecidable manual Sg 2.18 0
IV.PTQR.HHZ. 2022-05-09T17:49:51.43 3.0 undecidable manual Pg 5.01 0
IV.SSFR.HHZ. 2022-05-09T17:49:49.80 3.0 undecidable manual S 1.89 0
IV.LMD.HHZ. 2022-05-09T17:49:28.30 1.0 undecidable manual S 38 59.1963 50 0.44 21
IV.CRE.HHZ. 2022-05-09T17:49:27.50 0.6 undecidable manual S 94 56.8986 50 0.25 44
IV.PII.HHZ. 2022-05-09T17:49:26.72 0.6 undecidable manual S 277 58.1973 50 -0.89 35
IV.SEI.HHZ. 2022-05-09T17:49:24.39 0.6 undecidable manual S 12 44.622 50 0.42 43
IV.MOCL.EHZ. 2022-05-09T17:49:22.37 0.6 undecidable manual S 352 38.5281 50 0.01 47
IV.MPPT.EHZ. 2022-05-09T17:49:21.22 0.6 undecidable manual S 339 35.2425 50 -0.25 45
IV.LMD.HHZ. 2022-05-09T17:49:20.28 1.0 undecidable manual P 38 59.1963 50 0.37 21
IV.BOSL.HHZ. 2022-05-09T17:49:20.11 0.6 undecidable manual S 19 31.746 105 -0.34 45
IV.CRE.HHZ. 2022-05-09T17:49:19.79 0.6 positive manual P 94 56.8986 50 0.23 44
IV.PII.HHZ. 2022-05-09T17:49:19.96 0.6 positive manual P 277 58.1973 50 0.19 44
IV.RUFI.EHZ. 2022-05-09T17:49:19.25 0.6 undecidable manual S 47 28.8489 106 -0.25 46
IV.CRMI.HHZ. 2022-05-09T17:49:18.62 0.6 undecidable manual S 305 26.0517 108 0.05 48
IV.SEI.HHZ. 2022-05-09T17:49:17.83 0.6 undecidable manual P 12 44.622 50 0.16 45
IV.CSNT.HHZ. 2022-05-09T17:49:16.63 0.6 undecidable manual S 170 21.0678 112 -0.32 46
IV.MOCL.EHZ. 2022-05-09T17:49:16.36 1.0 undecidable manual P 352 38.5281 50 -0.38 22
IV.BOSL.HHZ. 2022-05-09T17:49:15.62 0.1 undecidable manual P 19 31.746 105 -0.01 96
IV.MPPT.EHZ. 2022-05-09T17:49:15.84 1.0 undecidable manual P 339 35.2425 50 -0.38 22
IV.OSSC.HHZ. 2022-05-09T17:49:15.30 0.6 undecidable manual S 180 15.1737 119 0.2 47
IV.RUFI.EHZ. 2022-05-09T17:49:15.13 0.1 positive manual P 47 28.8489 106 0.05 96
ZH.T1646.EHN. 2022-05-09T17:49:14.60 0.6 undecidable manual S 269 10.9779 128 0.71 41
IV.CRMI.HHZ. 2022-05-09T17:49:14.46 0.6 positive manual P 305 26.0517 108 -0.09 48
IV.CSNT.HHZ. 2022-05-09T17:49:13.34 0.1 negative manual P 170 21.0678 112 -0.27 93
ZH.T1647.HNN. 2022-05-09T17:49:13.18 0.6 undecidable manual S 138 7.9809 137 0.08 49
IV.OSSC.HHZ. 2022-05-09T17:49:12.48 0.6 negative manual P 180 15.1737 119 -0.06 49
ZH.T1646.EHN. 2022-05-09T17:49:12.11 0.3 undecidable manual P 269 10.9779 128 0.26 71
ZH.T1648.HNZ. 2022-05-09T17:49:12.02 0.3 undecidable manual S 79 2.997 161 -0.17 73
ZH.T1647.HNN. 2022-05-09T17:49:11.52 0.3 undecidable manual P 138 7.9809 137 0.13 73
ZH.T1648.HNZ. 2022-05-09T17:49:10.82 0.1 undecidable manual P 79 2.997 161 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OSSC.HHE. ML:1.3 0.0001835 1.5 AML other m 2022-05-09T17:49:15.75
IV.OSSC.HHN. ML:1.2 0.000168 0.32 AML other m 2022-05-09T17:49:17.79
IV.CSNT.HHE. ML:1.2 0.0001245 0.84 AML other m 2022-05-09T17:49:19.44
IV.CRMI.HHN. ML:1.2 0.00008599999999999999 0.24 AML other m 2022-05-09T17:49:19.13
IV.CRMI.HHE. ML:0.8 0.0000422 1.54 AML other m 2022-05-09T17:49:19.91
IV.RUFI.EHN. ML:1.2 0.0000812 0.2 AML other m 2022-05-09T17:49:19.93
IV.RUFI.EHE. ML:1.3 0.0001059 1.74 AML other m 2022-05-09T17:49:19.12
IV.CSNT.HHN. ML:1.2 0.0001135 0.5 AML other m 2022-05-09T17:49:20.60
IV.BOSL.HHE. ML:1.1 0.0000538 0.42 AML other m 2022-05-09T17:49:20.49
IV.BOSL.HHN. ML:0.9 0.00003915 1.1 AML other m 2022-05-09T17:49:20.73
IV.MPPT.EHE. ML:0.8 0.00002485 0.34 AML other m 2022-05-09T17:49:21.82
IV.MPPT.EHN. ML:0.8 0.00002605 0.16 AML other m 2022-05-09T17:49:23.67
IV.SEI.HHE. ML:1.3 0.00005830000000000001 1.06 AML other m 2022-05-09T17:49:25.89
IV.SEI.HHN. ML:1.7 0.00014150000000000002 0.68 AML other m 2022-05-09T17:49:27.11
IV.PII.HHE. ML:1.3 0.0000457 1.22 AML other m 2022-05-09T17:49:27.13
IV.PII.HHN. ML:1.4 0.00005785 1.68 AML other m 2022-05-09T17:49:28.06
IV.LMD.HHE. ML:1.5 0.00006445000000000001 0.32 AML other m 2022-05-09T17:49:29.42
IV.LMD.HHN. ML:1.4 0.00004845 0.66 AML other m 2022-05-09T17:49:29.40
IV.CRE.HHE. ML:1.0 0.00002295 0.24 AML other m 2022-05-09T17:49:31.62
IV.CRE.HHN. ML:1.0 0.000025399999999999997 0.3 AML other m 2022-05-09T17:49:31.91
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
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