Earthquake with magnitude of ML 1.1 on date 10-05-2022 and time 06:37:17 (Italy) in region 2 km S Impruneta (FI)

A magnitude ML 1.1 earthquake occured in region: 2 km S Impruneta (FI), on

  • 10-05-2022 04:37:17 (UTC)
  • 10-05-2022 06:37:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6680, 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 2 14615 14615
San Casciano in Val di Pesa FI 5 17062 31677
Greve in Chianti FI 11 13862 45539
Bagno a Ripoli FI 11 25611 71150
Firenze FI 11 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
Fiesole FI 16 13969 544259
Figline e Incisa Valdarno FI 16 23505 567764
Lastra a Signa FI 16 20156 587920
Rignano sull'Arno FI 18 8651 596571
Signa FI 18 19179 615750
Sesto Fiorentino FI 19 48958 664708
Campi Bisenzio FI 19 46166 710874
Pontassieve FI 20 20603 731477
Montelupo Fiorentino FI 20 14098 745575

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km S of Firenze (382808 inhabitants)
12 Km SE of Scandicci (50609 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)
85 Km SW of Faenza (58541 inhabitants)
89 Km SW of Forlì (117913 inhabitants)
92 Km S of Bologna (386663 inhabitants)
95 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
Bulletin
Rev1000
ML 1.1 2022-05-10
04:37:17
43.6683 11.2505 8 2023-01-31
19:03:36
Bollettino Sismico Italiano INGV 109219481
Reviewed
Rev100
ML 1.1 2022-05-10
04:37:17
43.6625 11.2467 6 2022-05-10
05:05:31
Sala Sismica INGV-Roma 104431051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-10 04:37:17 ± 0.11
Latitude 43.6683 ± 0.0045
Longitude 11.2505 ± 0.0062
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 109219481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 460
Semi-minor axis of confidence ellipse (meter) 450
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 59
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52700
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 109219481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-01 14:40:00

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 104431051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-10 05:05:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTRJ.HHZ. 2022-05-10T04:39:03.96 3.0 undecidable manual Sg 10.87 0
IV.GATE.HHZ. 2022-05-10T04:38:57.28 3.0 undecidable manual Sn 1.52 0
GU.RORO.HHZ. 2022-05-10T04:38:24.75 3.0 undecidable manual Sn -2.19 0
IV.PTRJ.HHZ. 2022-05-10T04:38:16.81 3.0 positive manual Pg 5.41 0
SI.BOSI.HHZ. 2022-05-10T04:38:06.25 3.0 negative manual Pg 3.42 0
GU.BURY.HHZ. 2022-05-10T04:38:05.44 3.0 undecidable manual Pn 4 0
IV.LPEL.HHZ. 2022-05-10T04:38:05.21 3.0 negative manual Pg 2.73 0
IV.SNTG.HHZ. 2022-05-10T04:38:03.50 3.0 undecidable manual S 0.82 0
IV.ARVD.HHZ. 2022-05-10T04:37:57.25 3.0 undecidable manual S -3.78 0
IV.SBPO.HNZ. 2022-05-10T04:37:40.51 3.0 negative manual P -2.76 0
IV.MPPT.EHZ. 2022-05-10T04:37:29.66 0.6 undecidable manual S 338 34.5432 50 -0.14 47
IV.PII.HHZ. 2022-05-10T04:37:28.16 0.3 undecidable manual P 276 58.497 50 -0.14 67
IV.BOSL.HHZ. 2022-05-10T04:37:28.33 0.3 undecidable manual S 19 30.747 105 -0.26 68
IV.LMD.HHZ. 2022-05-10T04:37:28.88 0.3 undecidable manual P 39 58.2972 50 0.62 59
IV.RUFI.EHZ. 2022-05-10T04:37:27.49 0.3 undecidable manual S 48 28.0497 107 -0.18 70
IV.CRMI.HHZ. 2022-05-10T04:37:26.81 0.3 undecidable manual S 303 25.9518 108 -0.17 70
IV.MPPT.EHZ. 2022-05-10T04:37:24.32 0.3 undecidable manual P 338 34.5432 50 -0.29 68
IT.FIE.HGZ. 2022-05-10T04:37:24.13 0.3 undecidable manual S 13 15.7731 118 0.4 68
IV.CSNT.HHZ. 2022-05-10T04:37:24.87 3.0 undecidable manual S -0.2 0
IV.OSSC.HHZ. 2022-05-10T04:37:23.31 3.0 undecidable manual S 0.18 0
IV.RUFI.EHZ. 2022-05-10T04:37:23.39 0.1 undecidable manual P 48 28.0497 107 0.01 97
IV.BOSL.HHZ. 2022-05-10T04:37:23.96 0.1 undecidable manual P 19 30.747 105 0.05 95
ZH.T1646.HNZ. 2022-05-10T04:37:22.96 0.6 undecidable manual S 265 11.4774 126 0.51 45
IV.CRMI.HHZ. 2022-05-10T04:37:22.79 0.1 undecidable manual P 303 25.9518 108 -0.19 93
IV.CSNT.HHZ. 2022-05-10T04:37:21.69 3.0 undecidable manual P -0.14 0
ZH.T1647.HNZ. 2022-05-10T04:37:21.63 0.3 undecidable manual S 144 8.3805 135 -0.01 75
IT.FIE.HGZ. 2022-05-10T04:37:21.46 0.3 undecidable manual P 13 15.7731 118 0.35 69
ZH.T1646.HNZ. 2022-05-10T04:37:20.49 0.1 undecidable manual P 265 11.4774 126 0.12 97
IV.OSSC.HHZ. 2022-05-10T04:37:20.84 3.0 undecidable manual P 0.13 0
ZH.T1648.HNZ. 2022-05-10T04:37:20.23 0.6 undecidable manual S 97 2.5974 163 -0.34 47
ZH.T1647.HNZ. 2022-05-10T04:37:19.91 0.1 undecidable manual P 144 8.3805 135 0.01 100
ZH.T1648.HNZ. 2022-05-10T04:37:19.13 0.1 undecidable manual P 97 2.5974 163 -0.15 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OSSC.HHN. ML:1.2 0.000148 1.58 AML other m 2022-05-10T04:37:23.17
IV.OSSC.HHE. ML:1.4 0.00023449999999999998 0.54 AML other m 2022-05-10T04:37:24.57
IV.CSNT.HHN. ML:1.1 0.00009295000000000001 0.5 AML other m 2022-05-10T04:37:26.10
IV.CSNT.HHE. ML:1.0 0.00007635 1.68 AML other m 2022-05-10T04:37:26.11
IV.CRMI.HHN. ML:1.0 0.0000551 0.6 AML other m 2022-05-10T04:37:27.70
IV.BOSL.HHE. ML:1.0 0.00005095 1.8 AML other m 2022-05-10T04:37:28.01
IV.BOSL.HHN. ML:0.9 0.00003835 0.96 AML other m 2022-05-10T04:37:29.06
IV.CRMI.HHE. ML:0.7 0.0000277 0.44 AML other m 2022-05-10T04:37:29.16
IV.MPPT.EHE. ML:0.9 0.00003445 1.28 AML other m 2022-05-10T04:37:29.24
IV.MPPT.EHN. ML:0.8 0.00002375 1.54 AML other m 2022-05-10T04:37:29.16
IV.LMD.HHE. ML:1.2 0.0000371 0.34 AML other m 2022-05-10T04:37:37.63
IV.LMD.HHN. ML:1.1 0.00002315 0.42 AML other m 2022-05-10T04:37:39.44
IV.PII.HHN. ML:1.3 0.0000414 0.78 AML other m 2022-05-10T04:37:40.76
IV.PII.HHE. ML:1.2 0.00003505 0.32 AML other m 2022-05-10T04:37:40.45
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