Earthquake with magnitude of ML 1.1 on date 11-05-2022 and time 03:07:10 (Italy) in region 3 km S Impruneta (FI)

A magnitude ML 1.1 earthquake occured in region: 3 km S Impruneta (FI), on

  • 11-05-2022 01:07:10 (UTC)
  • 11-05-2022 03:07:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6580, 11.2500 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
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
Tavarnelle Val di Pesa FI 12 7800 78950
Scandicci FI 13 50609 129559
Firenze FI 13 382808 512367
Montespertoli FI 14 13537 525904
Barberino Val d'Elsa FI 14 4386 530290
Figline e Incisa Valdarno FI 16 23505 553795
Fiesole FI 17 13969 567764
Lastra a Signa FI 17 20156 587920
Rignano sull'Arno FI 18 8651 596571
Signa FI 19 19179 615750
Sesto Fiorentino FI 20 48958 664708

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km S of Firenze (382808 inhabitants)
13 Km SE of Scandicci (50609 inhabitants)
28 Km SE of Prato (191150 inhabitants)
38 Km N of Siena (53903 inhabitants)
41 Km SE of Pistoia (90315 inhabitants)
55 Km W of Arezzo (99543 inhabitants)
64 Km E of Lucca (89046 inhabitants)
69 Km E of Pisa (89158 inhabitants)
77 Km E of Livorno (159219 inhabitants)
84 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)
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 1.1 2022-05-11
01:07:10
43.6583 11.2505 8 2023-01-31
19:03:28
Bollettino Sismico Italiano INGV 108008011
Reviewed
Rev100
ML 1.1 2022-05-11
01:07:10
43.6637 11.2595 6 2022-05-11
01:15:44
Sala Sismica INGV-Roma 104463961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-11 01:07:10 ± 0.04
Latitude 43.6583 ± 0.0018
Longitude 11.2505 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 108008011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 232
Semi-minor axis of confidence ellipse (meter) 231
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
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 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.02428
Epicentral distance of station farthest from the epicenter (degree) 0.52790
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 108008011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-08-02 09:53:41

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 104463961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-11 01:15:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2022-05-11T01:07:29.08 0.6 undecidable manual S 318 58.2972 50 0.25 43
IV.SFI.EHZ. 2022-05-11T01:07:27.97 0.6 undecidable manual S 60 55.0005 50 0.01 46
IV.SEI.HHZ. 2022-05-11T01:07:25.21 0.6 undecidable manual S 11 44.7219 50 -0.01 46
IV.ASQU.HHZ. 2022-05-11T01:07:25.57 0.6 undecidable manual S 70 45.8208 50 0.06 46
IV.MOCL.EHZ. 2022-05-11T01:07:23.39 0.6 undecidable manual S 352 38.8278 50 -0.25 45
IV.BOSL.HHZ. 2022-05-11T01:07:21.30 0.6 undecidable manual S 18 31.8459 105 -0.3 45
IV.PII.HHZ. 2022-05-11T01:07:20.90 0.3 undecidable manual P 277 58.5969 50 -0.11 67
IV.RUFI.EHZ. 2022-05-11T01:07:20.24 0.6 undecidable manual S 46 28.749 106 -0.34 45
GU.POPM.HHZ. 2022-05-11T01:07:20.83 1.0 undecidable manual P 318 58.2972 50 -0.13 22
IV.CRE.HHZ. 2022-05-11T01:07:20.88 0.3 undecidable manual P 94 56.499 50 0.21 65
IV.SFI.EHZ. 2022-05-11T01:07:20.78 0.3 undecidable manual P 60 55.0005 50 0.33 64
IV.SEI.HHZ. 2022-05-11T01:07:19.03 0.3 undecidable manual P 11 44.7219 50 0.16 68
IV.CRMI.HHZ. 2022-05-11T01:07:19.89 0.6 undecidable manual S 305 26.5512 107 0.05 48
IV.ASQU.HHZ. 2022-05-11T01:07:18.80 0.3 undecidable manual P 70 45.8208 50 -0.24 66
IV.MOCL.EHZ. 2022-05-11T01:07:17.86 0.3 undecidable manual P 352 38.8278 50 -0.1 69
IV.CSNT.HHZ. 2022-05-11T01:07:17.79 0.6 undecidable manual S 171 20.7681 112 -0.17 47
IV.OSSC.HHZ. 2022-05-11T01:07:16.22 0.6 undecidable manual S 181 14.9739 119 0.09 48
IV.RUFI.EHZ. 2022-05-11T01:07:16.17 0.1 undecidable manual P 46 28.749 106 -0.02 95
IT.FIE.HGE. 2022-05-11T01:07:16.95 0.6 undecidable manual S 12 16.872 116 0.23 47
IV.BOSL.HHZ. 2022-05-11T01:07:16.65 0.1 undecidable manual P 18 31.8459 105 -0.13 93
IV.CRMI.HHZ. 2022-05-11T01:07:15.43 0.3 undecidable manual P 305 26.5512 107 -0.33 67
IV.FIR.HNE. 2022-05-11T01:07:15.75 0.6 undecidable manual S 2 12.876 123 0.25 47
IV.CSNT.HHZ. 2022-05-11T01:07:14.45 0.1 undecidable manual P 171 20.7681 112 -0.23 93
IT.FIE.HGE. 2022-05-11T01:07:14.14 0.3 undecidable manual P 12 16.872 116 0.18 71
ZH.T1647.EHZ. 2022-05-11T01:07:14.24 0.6 undecidable manual S 139 7.5813 138 0.16 48
ZH.T1646.EHN. 2022-05-11T01:07:14.94 0.6 undecidable manual S 270 11.3775 126 -0.14 48
ZH.T1646.EHN. 2022-05-11T01:07:13.28 0.1 undecidable manual P 270 11.3775 126 0.26 93
IV.OSSC.HHZ. 2022-05-11T01:07:13.63 0.1 undecidable manual P 181 14.9739 119 0.01 98
IV.FIR.HNE. 2022-05-11T01:07:13.36 0.3 undecidable manual P 2 12.876 123 0.1 72
ZH.T1648.HNN. 2022-05-11T01:07:13.04 0.6 undecidable manual S 73 2.6973 162 -0.17 48
ZH.T1647.EHZ. 2022-05-11T01:07:12.57 0.1 undecidable manual P 139 7.5813 138 0.13 97
ZH.T1648.HNN. 2022-05-11T01:07:11.94 0.1 undecidable manual P 73 2.6973 162 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OSSC.HHN. ML:1.2 0.000155 0.82 AML other m 2022-05-11T01:07:16.29
IV.OSSC.HHE. ML:1.3 0.0001985 0.58 AML other m 2022-05-11T01:07:17.19
IV.CSNT.HHN. ML:1.1 0.00008625 0.58 AML other m 2022-05-11T01:07:18.52
IV.CSNT.HHE. ML:1.3 0.00013350000000000002 1.74 AML other m 2022-05-11T01:07:19.10
IV.CRMI.HHE. ML:0.9 0.0000455 0.42 AML other m 2022-05-11T01:07:20.12
IV.CRMI.HHN. ML:1.0 0.000051 0.18 AML other m 2022-05-11T01:07:20.30
IV.BOSL.HHE. ML:1.0 0.00004295 0.2 AML other m 2022-05-11T01:07:21.59
IV.BOSL.HHN. ML:0.8 0.0000287 1.02 AML other m 2022-05-11T01:07:22.59
IV.MOCL.EHN. ML:1.3 0.0000727 0.76 AML other m 2022-05-11T01:07:23.83
IV.MOCL.EHE. ML:1.4 0.000095 0.28 AML other m 2022-05-11T01:07:25.47
IV.ASQU.HHN. ML:1.0 0.000030050000000000002 1.16 AML other m 2022-05-11T01:07:25.99
IV.ASQU.HHE. ML:0.8 0.0000214 1.44 AML other m 2022-05-11T01:07:26.93
IV.SEI.HHN. ML:1.6 0.00011850000000000001 0.2 AML other m 2022-05-11T01:07:26.94
IV.SFI.EHE. ML:1.3 0.0000477 0.28 AML other m 2022-05-11T01:07:28.61
IV.SFI.EHN. ML:1.2 0.00003595 0.28 AML other m 2022-05-11T01:07:28.71
IV.SEI.HHE. ML:1.4 0.00007165 0.54 AML other m 2022-05-11T01:07:29.55
IV.CRE.HHE. ML:1.0 0.000021850000000000003 1.56 AML other m 2022-05-11T01:07:30.83
IV.CRE.HHN. ML:1.0 0.0000205 0.42 AML other m 2022-05-11T01:07:31.13
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