Earthquake with magnitude of ML 0.8 on date 23-06-2022 and time 20:02:12 (UTC) in region 5 km W Montespertoli (FI)

A magnitude ML 0.8 earthquake occured in region: 5 km W Montespertoli (FI), on

  • 23-06-2022 20:02:12 (UTC)
  • 23-06-2022 22:02:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6580, 11.0160 at 13 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
Montespertoli FI 5 13537 13537
Castelfiorentino FI 7 17504 31041
Montelupo Fiorentino FI 8 14098 45139
Empoli FI 9 48109 93248
Capraia e Limite FI 10 7670 100918
Certaldo FI 12 16121 117039
San Miniato PI 13 27934 144973
San Casciano in Val di Pesa FI 14 17062 162035
Gambassi Terme FI 14 4870 166905
Montaione FI 14 3700 170605
Lastra a Signa FI 15 20156 190761
Signa FI 15 19179 209940
Cerreto Guidi FI 16 10870 220810
Vinci FI 16 14604 235414
Tavarnelle Val di Pesa FI 17 7800 243214
Scandicci FI 17 50609 293823
Carmignano PO 17 14450 308273
Poggio a Caiano PO 18 10007 318280
Barberino Val d'Elsa FI 18 4386 322666
Fucecchio FI 18 23618 346284
Impruneta FI 20 14615 360899

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km SW of Scandicci (50609 inhabitants)
23 Km SW of Firenze (382808 inhabitants)
26 Km S of Prato (191150 inhabitants)
32 Km S of Pistoia (90315 inhabitants)
46 Km NW of Siena (53903 inhabitants)
46 Km E of Lucca (89046 inhabitants)
50 Km E of Pisa (89158 inhabitants)
58 Km E of Livorno (159219 inhabitants)
66 Km E of Viareggio (62467 inhabitants)
73 Km W of Arezzo (99543 inhabitants)
82 Km SE of Massa (69479 inhabitants)
87 Km SE of Carrara (63133 inhabitants)
95 Km SW of Imola (69797 inhabitants)
97 Km S of Bologna (386663 inhabitants)
98 Km SW of Faenza (58541 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 0.8 2022-06-23
20:02:12
43.6585 11.0165 13 2022-06-23
20:33:22
Sala Sismica INGV-Roma 106416651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-06-23 20:02:12 ± 0.12
Latitude 43.6585 ± 0.0081
Longitude 11.0165 ± 0.0087
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 106416651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 980
Semi-minor axis of confidence ellipse (meter) 0
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 213
Circular confidence region, given by single value of horizontal uncertainty (meter) 980.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.06655
Epicentral distance of station farthest from the epicenter (degree) 0.36063
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 106416651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-06-23 20:33:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PII.HHZ. 2022-06-23T20:02:25.26 0.3 undecidable manual S 280 40.0266 94 -0.27 68
IV.CSNT.HHZ. 2022-06-23T20:02:22.82 0.3 undecidable manual S 133 30.1476 96 -0.07 73
IV.PII.HHZ. 2022-06-23T20:02:20.35 0.1 undecidable manual P 280 40.0266 94 0.38 89
ZH.T1648.EHZ. 2022-06-23T20:02:20.57 0.3 undecidable manual S 88 21.3675 101 0 75
IV.CSNT.HHZ. 2022-06-23T20:02:18.10 0.3 undecidable manual P 133 30.1476 96 -0.34 69
IV.CRMI.HHZ. 2022-06-23T20:02:18.74 0.1 undecidable manual S 349 15.4734 112 -0.32 94
ZH.T1648.EHZ. 2022-06-23T20:02:17.39 0.3 undecidable manual P 88 21.3675 101 0.29 71
ZH.T1646.EHZ. 2022-06-23T20:02:17.49 0.1 undecidable manual S 89 7.3815 142 0.17 97
ZH.T1618.HNZ. 2022-06-23T20:02:17.93 0.3 undecidable manual S 127 12.7761 120 -0.48 69
IV.CRMI.HHZ. 2022-06-23T20:02:16.28 0.1 undecidable manual P 349 15.4734 112 0.05 100
ZH.T1646.EHZ. 2022-06-23T20:02:15.35 0.1 undecidable manual P 89 7.3815 142 0.12 99
ZH.T1618.HNZ. 2022-06-23T20:02:15.99 0.1 undecidable manual P 127 12.7761 120 0.14 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRMI.HHN. ML:0.7 0.0000406 0.16 AML other m 2022-06-23T20:02:18.95
IV.CRMI.HHE. ML:0.4 0.000017999999999999997 1.22 AML other m 2022-06-23T20:02:19.86
IV.PII.HHN. ML:1.0 0.00003295 0.6 AML other m 2022-06-23T20:02:25.24
IV.PII.HHE. ML:1.0 0.0000318 0.7 AML other m 2022-06-23T20:02:26.45
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