Earthquake with magnitude of ML 1.1 on date 08-06-2021 and time 13:14:50 (Italy) in region 1 km W Santa Fiora (GR)

A magnitude ML 1.1 earthquake occured in region: 1 km W Santa Fiora (GR), on

  • 08-06-2021 11:14:50 (UTC)
  • 08-06-2021 13:14:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8290, 11.5770 at 4 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
Santa Fiora GR 1 2622 2622
Arcidosso GR 6 4285 6907
Roccalbegna GR 7 1044 7951
Castel del Piano GR 8 4690 12641
Piancastagnaio SI 10 4230 16871
Abbadia San Salvatore SI 10 6444 23315
Seggiano GR 11 961 24276
Semproniano GR 11 1059 25335
Castell'Azzara GR 12 1476 26811
Cinigiano GR 16 2618 29429
Radicofani SI 17 1097 30526
Sorano GR 20 3428 33954
Castiglione d'Orcia SI 20 2346 36300

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Grosseto (82087 inhabitants)
58 Km SE of Siena (53903 inhabitants)
63 Km NW of Viterbo (67173 inhabitants)
73 Km W of Perugia (166134 inhabitants)
75 Km SW of Arezzo (99543 inhabitants)
84 Km N of Civitavecchia (52991 inhabitants)
92 Km W of Terni (111501 inhabitants)
93 Km W of Foligno (57155 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 1.1 2021-06-08
11:14:50
42.8287 11.5767 4 2021-06-08
11:27:48
Sala Sismica INGV-Roma 90933211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-08 11:14:50 ± 0.08
Latitude 42.8287 ± 0.0027
Longitude 11.5767 ± 0.0025
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 90933211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 257
Semi-minor axis of confidence ellipse (meter) 92
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 4
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.08903
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 90933211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-08 11:27:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ACATE.EHZ. 2021-06-08T11:16:31.78 3.0 undecidable manual Pg 14.04 0
OT.OT14.EHZ. 2021-06-08T11:16:31.91 3.0 undecidable manual Sg 18.190001 0
GU.RSP.HNZ. 2021-06-08T11:16:30.53 3.0 undecidable manual Sg 11.93 0
IV.MILZ.HHZ. 2021-06-08T11:16:22.89 3.0 undecidable manual Pg 18.26 0
AC.VLO.HHZ. 2021-06-08T11:16:09.91 3.0 undecidable manual Pn -3.69 0
IV.IOCA.HHZ. 2021-06-08T11:16:05.70 3.0 undecidable manual Sn -1.74 0
IV.AGLI.HHZ. 2021-06-08T11:16:03.96 3.0 undecidable manual Sn -0.97 0
IV.SGG.HHZ. 2021-06-08T11:16:03.74 3.0 undecidable manual Sg 4.1 0
CR.STON.BHZ. 2021-06-08T11:16:02.88 3.0 undecidable manual Pg 18.6 0
IV.MTGR.HHZ. 2021-06-08T11:15:59.24 3.0 undecidable manual Pn -2.81 0
IV.SALO.HNZ. 2021-06-08T11:15:54.00 3.0 undecidable manual Sg 8.32 0
IV.SARZ.HHZ. 2021-06-08T11:15:52.47 3.0 undecidable manual Sg 2.3 0
MN.TRI.HHZ. 2021-06-08T11:15:49.49 3.0 undecidable manual Sn -3.92 0
IV.ZEN8.EHZ. 2021-06-08T11:15:44.20 3.0 undecidable manual Sg -0.59 0
IV.CRND.HNZ. 2021-06-08T11:15:40.20 3.0 undecidable manual Sn -6.36 0
IV.FAGN.HHZ. 2021-06-08T11:15:40.48 3.0 undecidable manual Sg 6.42 0
IV.VOBA.EHZ. 2021-06-08T11:15:38.03 3.0 undecidable manual Sn -8.33 0
IV.MNTT.EHZ. 2021-06-08T11:15:29.92 3.0 undecidable manual Sg 6.17 0
IV.TOLF.HHZ. 2021-06-08T11:15:27.11 3.0 undecidable manual Sg 1.74 0
IV.QLNO.HHZ. 2021-06-08T11:15:25.97 3.0 undecidable manual Pg 5.71 0
IV.TST02.HHZ. 2021-06-08T11:15:24.08 3.0 undecidable manual Pg 6.15 0
IV.NDIM.HHZ. 2021-06-08T11:15:24.84 3.0 undecidable manual Sg -1.92 0
IV.SMA1.EHZ. 2021-06-08T11:15:23.26 3.0 undecidable manual Sn -1.54 0
IV.PP3.EHZ. 2021-06-08T11:15:21.83 3.0 undecidable manual Sg -0.41 0
IV.CRND.HNZ. 2021-06-08T11:15:18.76 3.0 undecidable manual Pg 2.53 0
ST.RONC.EHZ. 2021-06-08T11:15:16.26 3.0 positive manual Pn -3.76 0
IV.EUCT.HNZ. 2021-06-08T11:15:13.83 3.0 negative manual Pn -5.42 0
GU.GSCL.HHZ. 2021-06-08T11:15:01.62 3.0 positive manual Pg 0.75 0
IV.GAVE.EHZ. 2021-06-08T11:15:01.75 3.0 positive manual Pg 1.63 0
IV.CRMI.HNZ. 2021-06-08T11:15:01.22 3.0 undecidable manual Sn -0.8 0
IV.BARO.EHZ. 2021-06-08T11:15:00.41 3.0 undecidable manual Pn -1.48 0
IV.TOLF.HHZ. 2021-06-08T11:14:59.94 3.0 undecidable manual Pn -4.39 0
IV.FIR.HHZ. 2021-06-08T11:14:59.58 3.0 undecidable manual Sn 3.66 0
IV.MPPT.EHZ. 2021-06-08T11:14:59.07 3.0 undecidable manual Sn -3.63 0
IV.MCIV.CHZ. 2021-06-08T11:14:54.32 0.6 undecidable manual S 124 9.879 109 -0.26 47
TV.SF03.EHE. 2021-06-08T11:14:54.31 0.3 undecidable manual S 108 9.2796 110 -0.1 73
TV.SF14.HHZ. 2021-06-08T11:14:54.09 0.6 undecidable manual S 159 8.6802 112 -0.13 48
IV.ARCI.HHZ. 2021-06-08T11:14:54.12 0.6 undecidable manual S 287 8.5803 112 -0.07 49
TV.SF11.HHZ. 2021-06-08T11:14:54.37 0.6 undecidable manual S 62 9.4794 110 -0.08 49
TV.SF04.EHZ. 2021-06-08T11:14:53.68 0.3 undecidable manual S 83 6.8931 117 0.05 74
IV.RIBO.EHZ.01 2021-06-08T11:14:53.76 3.0 negative manual P 0.1 0
IV.MCIV.CHZ. 2021-06-08T11:14:53.11 0.1 undecidable manual P 124 9.879 109 0.06 98
TV.SF03.EHE. 2021-06-08T11:14:53.04 0.1 undecidable manual P 108 9.2796 110 0.09 98
IV.EL6.EHZ. 2021-06-08T11:14:53.57 3.0 undecidable manual Pn -3.52 0
TV.SF01.EHZ. 2021-06-08T11:14:52.47 0.6 undecidable manual S 210 2.0979 148 0.09 49
TV.SF11.HHZ. 2021-06-08T11:14:52.98 0.1 undecidable manual P 62 9.4794 110 0 99
IV.CRMI.HHZ. 2021-06-08T11:14:52.90 3.0 undecidable manual P 1.69 0
TV.SF04.EHZ. 2021-06-08T11:14:52.58 0.1 undecidable manual P 83 6.8931 117 0.08 98
TV.SF14.HHZ. 2021-06-08T11:14:52.95 0.1 undecidable manual P 159 8.6802 112 0.11 97
IV.ARCI.HHZ. 2021-06-08T11:14:52.73 0.1 negative manual P 287 8.5803 112 -0.09 98
TV.SF01.EHZ. 2021-06-08T11:14:51.81 0.1 undecidable manual P 210 2.0979 148 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
TV.SF04.EHN. ML:0.0 0.0005074999999999999 0.18 AML other m 2021-06-08T11:14:54.40
IV.MCIV.CHE. ML:1.1 0.00020850000000000003 0.2 AML other m 2021-06-08T11:14:54.77
IV.MCIV.CHN. ML:1.1 0.000241 1.42 AML other m 2021-06-08T11:14:55.99
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