Earthquake with magnitude of ML 1.3 on date 09-05-2022 and time 15:16:25 (UTC) in region 3 km S Impruneta (FI)

A magnitude ML 1.3 earthquake occured in region: 3 km S Impruneta (FI), on

  • 09-05-2022 15:16:25 (UTC)
  • 09-05-2022 17:16:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6640, 11.2490 at 7 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 11 25611 71150
Firenze FI 12 382808 453958
Scandicci FI 12 50609 504567
Tavarnelle Val di Pesa FI 13 7800 512367
Montespertoli FI 14 13537 525904
Barberino Val d'Elsa FI 15 4386 530290
Figline e Incisa Valdarno FI 16 23505 553795
Fiesole FI 16 13969 567764
Lastra a Signa FI 17 20156 587920
Rignano sull'Arno FI 18 8651 596571
Signa FI 18 19179 615750
Sesto Fiorentino FI 19 48958 664708
Montelupo Fiorentino FI 20 14098 678806
Campi Bisenzio FI 20 46166 724972
Pontassieve FI 20 20603 745575

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)
77 Km E of Livorno (159219 inhabitants)
83 Km E of Viareggio (62467 inhabitants)
85 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)
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 1.3 2022-05-09
15:16:25
43.6637 11.2492 7 2022-05-09
15:27:41
Sala Sismica INGV-Roma 104407101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-09 15:16:25 ± 0.09
Latitude 43.6637 ± 0.0036
Longitude 11.2492 ± 0.0050
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 104407101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 391
Semi-minor axis of confidence ellipse (meter) 174
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 90
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 18
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50992
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 104407101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-09 15:27:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2022-05-09T15:17:04.09 3.0 undecidable manual S 0 0
IV.CRE.HHZ. 2022-05-09T15:16:44.21 0.6 undecidable manual S 95 56.5989 50 0.48 42
IV.FROS.CHZ. 2022-05-09T15:16:41.19 3.0 undecidable manual S 0
IV.ZCCA.HHZ. 2022-05-09T15:16:41.15 3.0 undecidable manual P 0.01 0
IV.FROS.CHZ. 2022-05-09T15:16:38.29 3.0 undecidable manual P 0
IV.BOSL.HHZ. 2022-05-09T15:16:36.24 0.6 undecidable manual S 19 31.3464 103 -0.23 46
IV.CRE.HHZ. 2022-05-09T15:16:35.89 1.0 negative manual P 95 56.5989 50 -0.06 23
IV.RUFI.EHN. 2022-05-09T15:16:35.43 0.6 undecidable manual S 47 28.4493 104 -0.08 48
IV.CRMI.HNN. 2022-05-09T15:16:34.86 0.6 undecidable manual S 304 26.0517 106 0.14 47
IV.CSNT.HHZ. 2022-05-09T15:16:32.68 0.6 undecidable manual S 171 21.3675 109 -0.47 45
IV.BOSL.HHZ. 2022-05-09T15:16:31.72 0.6 positive manual P 19 31.3464 103 -0.04 48
IV.OSSC.HHZ. 2022-05-09T15:16:31.21 0.6 undecidable manual S 181 15.5733 115 -0.06 49
IV.RUFI.EHN. 2022-05-09T15:16:31.16 0.1 undecidable manual P 47 28.4493 104 -0.04 97
IV.CRMI.HNN. 2022-05-09T15:16:30.52 0.1 undecidable manual P 304 26.0517 106 -0.22 93
ZH.T1646.HNE. 2022-05-09T15:16:30.57 0.6 undecidable manual S 268 11.2776 123 0.6 43
ZH.T1647.EHE. 2022-05-09T15:16:29.17 0.6 undecidable manual S 141 8.0808 132 0.09 49
IV.CSNT.HHZ. 2022-05-09T15:16:29.99 0.6 undecidable manual P 171 21.3675 109 0.15 48
IV.OSSC.HHZ. 2022-05-09T15:16:28.47 0.6 undecidable manual P 181 15.5733 115 -0.28 47
ZH.T1648.EHE. 2022-05-09T15:16:28.10 0.6 undecidable manual S 85 2.6973 160 0.1 50
ZH.T1646.HNE. 2022-05-09T15:16:27.88 0.3 undecidable manual P 268 11.2776 123 -0.13 73
ZH.T1647.EHE. 2022-05-09T15:16:27.60 0.1 undecidable manual P 141 8.0808 132 0.11 99
ZH.T1648.EHE. 2022-05-09T15:16:26.95 0.1 undecidable manual P 85 2.6973 160 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OSSC.HHE. ML:1.2 0.000170902 0.2944 AML other m 2022-05-09T15:16:31.53
IV.OSSC.HHN. ML:1.2 0.0001515 1.68 AML other m 2022-05-09T15:16:32.88
IV.CSNT.HHN. ML:1.1 0.000083078685 0.896 AML other m 2022-05-09T15:16:36.42
IV.CSNT.HHE. ML:1.0 0.00008154637000000001 0.2944 AML other m 2022-05-09T15:16:35.49
IV.BOSL.HHE. ML:1.1 0.00005755 0.38 AML other m 2022-05-09T15:16:36.57
IV.BOSL.HHN. ML:0.9 0.000039099999999999995 0.44 AML other m 2022-05-09T15:16:36.58
IV.ZCCA.HHE. ML:1.8 0.00007777739 0.512 AML other m 2022-05-09T15:16:54.45
IV.ZCCA.HHN. ML:1.7 0.000070614955 0.4864 AML other m 2022-05-09T15:16:54.70
IV.ZCCA.HNE. ML:2.1 0.00018970175 1.6768 AML other m 2022-05-09T15:17:16.51
IV.ZCCA.HNN. ML:2.6 0.0006259014 0.6272 AML other m 2022-05-09T15:16:42.12
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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