Earthquake with magnitude of ML 0.9 on date 28-06-2022 and time 11:55:19 (UTC) in region 5 km SE Impruneta (FI)

A magnitude ML 0.9 earthquake occured in region: 5 km SE Impruneta (FI), on

  • 28-06-2022 11:55:19 (UTC)
  • 28-06-2022 13:55:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6500, 11.2840 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 5 14615 14615
Greve in Chianti FI 8 13862 28477
San Casciano in Val di Pesa FI 8 17062 45539
Bagno a Ripoli FI 12 25611 71150
Tavarnelle Val di Pesa FI 13 7800 78950
Figline e Incisa Valdarno FI 14 23505 102455
Firenze FI 14 382808 485263
Scandicci FI 15 50609 535872
Barberino Val d'Elsa FI 15 4386 540258
Rignano sull'Arno FI 16 8651 548909
Montespertoli FI 17 13537 562446
Fiesole FI 18 13969 576415
Pontassieve FI 19 20603 597018
Radda in Chianti SI 20 1613 598631
Lastra a Signa FI 20 20156 618787
Castellina in Chianti SI 20 2859 621646

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km S of Firenze (382808 inhabitants)
15 Km SE of Scandicci (50609 inhabitants)
30 Km SE of Prato (191150 inhabitants)
37 Km N of Siena (53903 inhabitants)
43 Km SE of Pistoia (90315 inhabitants)
52 Km W of Arezzo (99543 inhabitants)
66 Km E of Lucca (89046 inhabitants)
71 Km E of Pisa (89158 inhabitants)
79 Km E of Livorno (159219 inhabitants)
86 Km SW of Imola (69797 inhabitants)
86 Km SW of Faenza (58541 inhabitants)
86 Km E of Viareggio (62467 inhabitants)
88 Km SW of Forlì (117913 inhabitants)
94 Km SW of Cesena (96758 inhabitants)
94 Km S of Bologna (386663 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
Reviewed
Rev100
ML 0.9 2022-06-28
11:55:19
43.6503 11.2842 9 2022-06-28
12:02:36
Sala Sismica INGV-Roma 106573601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-06-28 11:55:19 ± 0.09
Latitude 43.6503 ± 0.0036
Longitude 11.2842 ± 0.0050
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 106573601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 420
Semi-minor axis of confidence ellipse (meter) 199
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 100
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) 114
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.01529
Epicentral distance of station farthest from the epicenter (degree) 0.33725
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 106573601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-06-28 12:02:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRMI.HHZ. 2022-06-28T11:55:30.72 0.3 undecidable manual S 304 29.2485 107 0.37 67
IV.RUFI.EHZ. 2022-06-28T11:55:29.91 0.3 undecidable manual S 41 27.5502 108 0.12 71
IV.CSNT.HHZ. 2022-06-28T11:55:27.02 0.3 undecidable manual S 179 19.6692 114 -0.21 70
IV.BOSL.HHZ. 2022-06-28T11:55:26.38 0.3 undecidable manual P 13 31.9458 50 0.01 72
IV.MPPT.EHZ. 2022-06-28T11:55:26.98 0.3 undecidable manual P 336 37.4292 50 -0.23 68
IV.CRMI.HHZ. 2022-06-28T11:55:25.48 0.1 undecidable manual P 304 29.2485 107 -0.39 89
ZH.T1646.EHZ. 2022-06-28T11:55:25.84 0.3 undecidable manual S 274 14.1747 122 0.31 70
IV.RUFI.EHZ. 2022-06-28T11:55:25.80 0.1 undecidable manual P 41 27.5502 108 0.25 92
ZH.T1618.HNE. 2022-06-28T11:55:25.35 0.3 undecidable manual S 239 13.1757 124 0.08 73
IV.CSNT.HHZ. 2022-06-28T11:55:23.95 0.3 undecidable manual P 179 19.6692 114 -0.12 72
ZH.T1614.EHE. 2022-06-28T11:55:23.65 0.1 undecidable manual S 327 8.2806 137 -0.31 94
ZH.T1647.EHE. 2022-06-28T11:55:23.44 0.3 undecidable manual S 155 5.2947 149 0.1 74
ZH.T1646.EHZ. 2022-06-28T11:55:23.18 0.3 undecidable manual P 274 14.1747 122 0.09 73
ZH.T1648.EHZ. 2022-06-28T11:55:22.62 0.3 undecidable manual S 355 1.6983 169 -0.26 72
ZH.T1614.EHE. 2022-06-28T11:55:22.17 0.1 undecidable manual P 327 8.2806 137 0 100
ZH.T1618.HNE. 2022-06-28T11:55:22.98 0.1 undecidable manual P 239 13.1757 124 0.05 98
ZH.T1648.EHZ. 2022-06-28T11:55:21.60 0.1 undecidable manual P 355 1.6983 169 0.05 100
ZH.T1647.EHE. 2022-06-28T11:55:21.98 0.1 undecidable manual P 155 5.2947 149 0.16 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSNT.HHE. ML:1.0 0.00008733207500000001 0.1216 AML other m 2022-06-28T11:55:27.65
IV.CSNT.HHN. ML:0.8 0.00005730729499999999 0.16 AML other m 2022-06-28T11:55:27.68
ZH.T1646.EHE. ML:1.4 0.0002835124 0.2368 AML other m 2022-06-28T11:55:28.75
ZH.T1646.EHN. ML:1.4 0.00029511665 0.16 AML other m 2022-06-28T11:55:26.39
IV.CRMI.HHN. ML:0.5 0.0000174063965 0.2624 AML other m 2022-06-28T11:55:31.11
ZH.T1648.EHE. ML:0.0 0.0009100706000000001 0.096 AML other m 2022-06-28T11:55:22.77
ZH.T1648.EHN. ML:0.0 0.0010991641699999999 0.0768 AML other m 2022-06-28T11:55:22.96
IV.RUFI.EHE. ML:0.7 0.000025110009999999996 0.1792 AML other m 2022-06-28T11:55:30.33
IV.MPPT.EHE. ML:0.9 0.000029548035 0.3584 AML other m 2022-06-28T11:55:32.83
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