Earthquake with magnitude of ML 1.3 on date 06-05-2020 and time 19:33:24 (Italy) in region 3 km NE Castelfiorentino (FI)

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

  • 06-05-2020 17:33:24 (UTC)
  • 06-05-2020 19:33:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6240, 11.0070 at 10 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
Castelfiorentino FI 3 17504 17504
Montespertoli FI 6 13537 31041
Certaldo FI 9 16121 47162
Gambassi Terme FI 10 4870 52032
Montaione FI 11 3700 55732
Empoli FI 12 48109 103841
Montelupo Fiorentino FI 12 14098 117939
Capraia e Limite FI 14 7670 125609
San Miniato PI 14 27934 153543
San Casciano in Val di Pesa FI 15 17062 170605
Tavarnelle Val di Pesa FI 15 7800 178405
Barberino Val d'Elsa FI 16 4386 182791
San Gimignano SI 18 7820 190611
Lastra a Signa FI 18 20156 210767
Cerreto Guidi FI 18 10870 221637
Palaia PI 19 4612 226249
Signa FI 19 19179 245428
Vinci FI 19 14604 260032
Fucecchio FI 20 23618 283650

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km SW of Scandicci (50609 inhabitants)
26 Km SW of Firenze (382808 inhabitants)
30 Km S of Prato (191150 inhabitants)
35 Km S of Pistoia (90315 inhabitants)
43 Km NW of Siena (53903 inhabitants)
47 Km SE of Lucca (89046 inhabitants)
50 Km E of Pisa (89158 inhabitants)
57 Km E of Livorno (159219 inhabitants)
67 Km E of Viareggio (62467 inhabitants)
73 Km W of Arezzo (99543 inhabitants)
83 Km SE of Massa (69479 inhabitants)
89 Km SE of Carrara (63133 inhabitants)
96 Km N of Grosseto (82087 inhabitants)
99 Km SW of Imola (69797 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 2020-05-06
17:33:24
43.6238 11.007 10 2020-05-06
17:39:56
Sala Sismica INGV-Roma 78900581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-06 17:33:24 ± 0.15
Latitude 43.6238 ± 0.0072
Longitude 11.0070 ± 0.0149
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78900581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1255
Semi-minor axis of confidence ellipse (meter) 497
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 55
Circular confidence region, given by single value of horizontal uncertainty (meter) 1260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 15
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.55218
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 78900581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-06 17:39:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFE.HHZ. 2020-05-06T17:35:17.70 3.0 undecidable manual Sn 0.14 0
IV.ROSPO.HHZ. 2020-05-06T17:35:06.34 3.0 undecidable manual Sg 9.82 0
RF.GEPF.HHZ. 2020-05-06T17:34:55.01 3.0 undecidable manual Sg 1.51 0
IV.SPS2.HHZ. 2020-05-06T17:34:54.83 3.0 negative manual Pn 1.86 0
IV.AGLI.HHZ. 2020-05-06T17:34:49.20 3.0 undecidable manual Sg 3.02 0
IV.LRP.EHZ. 2020-05-06T17:34:45.78 3.0 undecidable manual Sn 0.79 0
CR.ZAG.BHZ. 2020-05-06T17:34:35.78 3.0 negative manual Pn 5.87 0
IV.CAPR.HNZ. 2020-05-06T17:34:32.83 3.0 undecidable manual Sg 1.98 0
IV.MMO1.EHZ. 2020-05-06T17:34:23.46 3.0 undecidable manual Sg 0.03 0
ZM.T1368.EHZ. 2020-05-06T17:34:22.03 3.0 negative manual Pn 0.36 0
IV.SENA.HHZ. 2020-05-06T17:34:22.00 3.0 undecidable manual Pg 4.26 0
IV.PTRJ.HNZ. 2020-05-06T17:34:19.28 3.0 undecidable manual Pn -0.08 0
IV.ROSPO.HHZ. 2020-05-06T17:34:18.82 3.0 positive manual Pn 2.71 0
IV.QLNO.HHZ. 2020-05-06T17:33:58.67 3.0 negative manual Pn -0.99 0
IV.RM33.HNZ. 2020-05-06T17:33:56.01 3.0 undecidable manual Pn -3.06 0
GU.GORR.HHZ. 2020-05-06T17:33:55.54 3.0 undecidable manual Pg 2.09 0
IV.BDI.HHZ. 2020-05-06T17:33:42.52 0.6 undecidable manual S 326 58.7967 50 0.12 46
GU.CARD.HHZ. 2020-05-06T17:33:42.74 0.6 undecidable manual S 317 61.2942 50 -0.33 43
GU.POPM.HHZ. 2020-05-06T17:33:40.38 0.6 undecidable manual S 337 50.8158 50 0.1 46
IV.FROS.CHZ. 2020-05-06T17:33:39.02 0.3 undecidable manual S 165 47.5191 50 -0.36 66
IV.PII.HHZ. 2020-05-06T17:33:36.55 0.6 undecidable manual S 286 40.2264 50 -0.88 37
GU.CARD.HHZ. 2020-05-06T17:33:35.08 0.6 undecidable manual P 317 61.2942 50 0.07 46
IV.CSNT.HHZ. 2020-05-06T17:33:34.01 0.6 undecidable manual S 126 28.2495 50 -0.23 47
IV.BDI.HHZ. 2020-05-06T17:33:34.94 0.3 undecidable manual P 326 58.7967 50 0.32 66
GU.POPM.HHZ. 2020-05-06T17:33:33.87 0.3 negative manual P 337 50.8158 50 0.47 64
IV.FROS.CHZ. 2020-05-06T17:33:33.15 0.1 undecidable manual P 165 47.5191 50 0.27 90
IV.MAGO.CHZ. 2020-05-06T17:33:33.28 0.3 undecidable manual P 216 48.0186 50 0.32 67
IV.PII.HHZ. 2020-05-06T17:33:31.78 0.1 undecidable manual P 286 40.2264 50 0.03 96
IV.CRMI.HHZ. 2020-05-06T17:33:31.16 0.3 undecidable manual S 353 19.1697 117 -0.35 70
IV.CSNT.HHZ. 2020-05-06T17:33:29.79 0.3 negative manual P 126 28.2495 50 -0.13 72
IV.CRMI.HHZ. 2020-05-06T17:33:28.35 0.1 positive manual P 353 19.1697 117 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRMI.HHN. ML:0.9 0.00005945 1.16 AML other m 2020-05-06T17:33:31.38
IV.CRMI.HHE. ML:1.1 0.000105 0.56 AML other m 2020-05-06T17:33:31.31
IV.CSNT.HHE. ML:1.0 0.00004895 0.36 AML other m 2020-05-06T17:33:34.57
IV.CSNT.HHN. ML:1.1 0.00006955 0.28 AML other m 2020-05-06T17:33:34.92
IV.PII.HHE. ML:1.7 0.0001545 0.96 AML other m 2020-05-06T17:33:36.71
IV.PII.HHN. ML:1.8 0.000201 0.36 AML other m 2020-05-06T17:33:36.71
IV.FROS.CHE. ML:1.7 0.0001385 0.38 AML other m 2020-05-06T17:33:39.26
IV.FROS.CHN. ML:1.7 0.000133 0.86 AML other m 2020-05-06T17:33:40.33
GU.POPM.HHN. ML:1.4 0.0000645 0.98 AML other m 2020-05-06T17:33:40.10
IV.MAGO.CHN. ML:1.1 0.000034949999999999996 1 AML other m 2020-05-06T17:33:40.74
IV.MAGO.CHE. ML:1.1 0.0000353 1.14 AML other m 2020-05-06T17:33:40.74
GU.POPM.HHE. ML:1.4 0.00006145 0.3 AML other m 2020-05-06T17:33:42.29
GU.CARD.HHE. ML:1.2 0.0000362 1.5 AML other m 2020-05-06T17:33:43.13
GU.CARD.HHN. ML:1.3 0.00004055 0.52 AML other m 2020-05-06T17:33:44.84
IV.BDI.HHE. ML:1.1 0.000025 1.28 AML other m 2020-05-06T17:33:46.14
IV.BDI.HHN. ML:1.2 0.0000284 0.36 AML other m 2020-05-06T17:33:47.65
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