Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 10-06-2023 and time 02:00:09 (Italy) in region Abbadia San Salvatore (SI)

A magnitude ML 1.9 earthquake occured in region: Abbadia San Salvatore (SI), on

  • 10-06-2023 00:00:09 (UTC)
  • 10-06-2023 02:00:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8810, 11.6790 at 7 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Abbadia San Salvatore SI 0 6444 6444
Piancastagnaio SI 4 4230 10674
Radicofani SI 8 1097 11771
Santa Fiora GR 9 2622 14393
Seggiano GR 11 961 15354
Arcidosso GR 11 4285 19639
Castel del Piano GR 12 4690 24329
Castell'Azzara GR 12 1476 25805
Castiglione d'Orcia SI 15 2346 28151
San Casciano dei Bagni SI 16 1632 29783
Roccalbegna GR 17 1044 30827
Proceno VT 19 557 31384
Sarteano SI 20 4717 36101
Semproniano GR 20 1059 37160

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km E of Grosseto (82087 inhabitants)
56 Km SE of Siena (53903 inhabitants)
62 Km NW of Viterbo (67173 inhabitants)
63 Km W of Perugia (166134 inhabitants)
67 Km S of Arezzo (99543 inhabitants)
84 Km W of Foligno (57155 inhabitants)
87 Km W of Terni (111501 inhabitants)
88 Km N of Civitavecchia (52991 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 1.9 2023-06-10
00:00:09		 42.8807 11.6787 7 2023-06-10
00:09:45		 Sala Sismica INGV-Roma 118254281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-10 00:00:09 ± 0.08
Latitude 42.8807 ± 0.0072
Longitude 11.6787 ± 0.0061
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118254281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 781
Semi-minor axis of confidence ellipse (meter) 449
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 189
Circular confidence region, given by single value of horizontal uncertainty (meter) 780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 23
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) 0.86874
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 44
Type of magnitude ML
Reference to an origin 118254281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-10 00:09:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RNI2.HHZ. 2023-06-10T00:00:49.82 3.0 negative manual Pg 3.93 0
IV.ATCC.EHZ. 2023-06-10T00:00:36.27 3.0 undecidable manual S -0.58 0
IV.MURB.HHZ. 2023-06-10T00:00:35.90 3.0 undecidable manual S 0.4 0
IV.MF5.EHZ. 2023-06-10T00:00:33.64 3.0 undecidable manual P -0.19 0
IV.ATMI.HHZ. 2023-06-10T00:00:31.60 0.3 undecidable manual S 43 69.375 50 0.22 66
IV.CSNT.HHZ. 2023-06-10T00:00:31.48 0.6 undecidable manual S 335 72.8715 50 -0.84 36
IV.NRCA.HHZ. 2023-06-10T00:00:31.98 3.0 undecidable manual P 1.71 0
IV.CSP1.EHZ. 2023-06-10T00:00:30.88 3.0 undecidable manual P -0.55 0
IV.RUFI.EHZ. 2023-06-10T00:00:29.04 3.0 negative manual P 0.6 0
IV.SFI.EHZ. 2023-06-10T00:00:29.91 3.0 undecidable manual P 0.28 0
IV.RINC.EHZ. 2023-06-10T00:00:29.83 3.0 positive manual P 0.63 0
IV.PIEI.HHZ. 2023-06-10T00:00:28.67 3.0 negative manual P 1.38 0
IV.FROS.CHZ. 2023-06-10T00:00:28.34 0.6 undecidable manual S 311 55.8996 50 0.54 42
IV.ARRO.EHZ. 2023-06-10T00:00:27.48 3.0 negative manual P 0.83 0
IV.CAFI.HHZ. 2023-06-10T00:00:27.01 0.6 undecidable manual S 25 54.9006 50 -0.53 42
IV.CESI.HHZ. 2023-06-10T00:00:27.99 3.0 undecidable manual P 0.52 0
IV.PARC.HHZ. 2023-06-10T00:00:26.53 0.6 positive manual P 28 96.4257 50 0.24 41
IV.CRE.HHZ. 2023-06-10T00:00:25.12 0.1 undecidable manual P 15 84.7485 50 0.62 76
IV.ATPI.EHZ. 2023-06-10T00:00:25.51 3.0 undecidable manual P 0.59 0
IV.MURB.HHZ. 2023-06-10T00:00:24.01 3.0 negative manual P -0.03 0
IV.ATCC.EHZ. 2023-06-10T00:00:24.91 3.0 negative manual P 0.11 0
IV.OSSC.HHZ. 2023-06-10T00:00:23.57 0.1 undecidable manual P 334 79.4649 50 -0.1 88
IV.TOLF.HHZ. 2023-06-10T00:00:23.90 3.0 negative manual P -2.94 0
IV.BARO.EHZ. 2023-06-10T00:00:23.24 3.0 undecidable manual P -0.59 0
IV.TRIF.CHZ. 2023-06-10T00:00:22.50 3.0 negative manual P 0.21 0
IV.ATMI.HHZ. 2023-06-10T00:00:22.00 0.6 negative manual P 43 69.375 50 -0.11 45
IV.CSNT.HHZ. 2023-06-10T00:00:22.43 0.1 positive manual P 335 72.8715 50 -0.22 87
IV.CASP.HHZ. 2023-06-10T00:00:21.79 3.0 negative manual P -0.48 0
IV.MGAB.HHZ. 2023-06-10T00:00:21.73 0.6 undecidable manual S 84 35.4423 101 -0.23 46
IV.FROS.CHZ. 2023-06-10T00:00:20.06 0.1 undecidable manual P 311 55.8996 50 0.02 93
IV.RIBO.EHZ. 2023-06-10T00:00:19.50 3.0 positive manual P -0.17 0
IV.CAFI.HHZ. 2023-06-10T00:00:19.68 0.1 positive manual P 25 54.9006 50 -0.21 90
IV.MALA5.EHZ. 2023-06-10T00:00:17.07 0.3 undecidable manual S 311 21.4674 107 -0.19 72
IV.MGAB.HHZ. 2023-06-10T00:00:16.31 0.1 positive manual P 84 35.4423 101 -0.36 90
IV.SACS.HHZ. 2023-06-10T00:00:16.75 0.6 undecidable manual S 101 19.0698 109 0.27 47
IV.LATE.HHZ. 2023-06-10T00:00:15.42 3.0 undecidable manual P -0.62 0
IV.ARCI.HHZ. 2023-06-10T00:00:15.54 0.3 undecidable manual S 259 16.872 112 -0.2 72
IV.MALA5.EHZ. 2023-06-10T00:00:14.24 0.1 undecidable manual P 311 21.4674 107 0.28 94
IV.MCIV.CHZ. 2023-06-10T00:00:13.61 0.3 undecidable manual S 181 11.3775 121 -0.41 70
IV.SACS.HHZ. 2023-06-10T00:00:13.88 0.3 undecidable manual P 101 19.0698 109 0.37 70
IV.ARCI.HHZ. 2023-06-10T00:00:13.35 0.1 positive manual P 259 16.872 112 0.27 95
IV.MCIV.CHZ. 2023-06-10T00:00:12.20 0.1 positive manual P 181 11.3775 121 0.11 99
TV.SF11.HHZ. 2023-06-10T00:00:11.71 0.3 undecidable manual S 179 1.2987 169 -0.12 76
TV.SF11.HHZ. 2023-06-10T00:00:10.98 0.1 undecidable manual P 179 1.2987 169 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCIV.CHN. ML:2.8 0.008675 0.12 AML other m 2023-06-10T00:00:12.37
IV.MCIV.CHE. ML:2.8 0.009545 0.2 AML other m 2023-06-10T00:00:13.76
IV.ARCI.HNN. ML:2.3 0.00202 0.88 AML other m 2023-06-10T00:00:15.63
IV.ARCI.HHN. ML:2.4 0.0021349999999999997 0.88 AML other m 2023-06-10T00:00:15.63
IV.ARCI.HHE. ML:2.3 0.0019299999999999999 0.48 AML other m 2023-06-10T00:00:16.96
IV.ARCI.HNE. ML:2.3 0.001875 0.48 AML other m 2023-06-10T00:00:16.72
IV.SACS.HHE. ML:1.8 0.000532 1.24 AML other m 2023-06-10T00:00:17.77
IV.SACS.HNE. ML:1.9 0.000624 1.54 AML other m 2023-06-10T00:00:17.77
IV.SACS.HHN. ML:1.9 0.00061 1.6 AML other m 2023-06-10T00:00:17.08
IV.SACS.HNN. ML:1.9 0.00065 1.62 AML other m 2023-06-10T00:00:17.08
IV.LATE.HHN. ML:2.9 0.00352 0.5 AML other m 2023-06-10T00:00:21.10
IV.LATE.HHE. ML:2.8 0.0027400000000000002 1.4 AML other m 2023-06-10T00:00:21.88
IV.MGAB.HHN. ML:2.0 0.0003755 1.64 AML other m 2023-06-10T00:00:23.00
IV.MGAB.HNE. ML:1.9 0.0003025 0.42 AML other m 2023-06-10T00:00:23.48
IV.MGAB.HNN. ML:2.0 0.000363 0.76 AML other m 2023-06-10T00:00:24.54
IV.MGAB.HHE. ML:1.8 0.000251 0.18 AML other m 2023-06-10T00:00:25.77
IV.CRE.HHN. ML:1.6 0.00005215 1.26 AML other m 2023-06-10T00:00:29.03
IV.FROS.CHE. ML:2.3 0.000415 0.38 AML other m 2023-06-10T00:00:31.56
IV.CAFI.HHE. ML:1.5 0.000071 0.52 AML other m 2023-06-10T00:00:31.35
IV.ATMI.HHE. ML:2.3 0.00033299999999999996 1.42 AML other m 2023-06-10T00:00:33.85
IV.FROS.CHN. ML:2.1 0.000273 0.48 AML other m 2023-06-10T00:00:33.18
IV.CSNT.HHN. ML:1.6 0.00006030000000000001 0.42 AML other m 2023-06-10T00:00:33.24
IV.PARC.HHN. ML:1.5 0.0000327 0.46 AML other m 2023-06-10T00:00:33.02
IV.TRIF.CHN. ML:1.7 0.0000791 1.28 AML other m 2023-06-10T00:00:33.00
IV.ATMI.HHN. ML:2.3 0.0003635 1.74 AML other m 2023-06-10T00:00:33.05
IV.CASP.HHN. ML:1.4 0.000040650000000000006 0.94 AML other m 2023-06-10T00:00:34.65
IV.CASP.HHE. ML:1.2 0.000032149999999999995 0.74 AML other m 2023-06-10T00:00:35.57
IV.TRIF.CHE. ML:1.7 0.00007915 1.68 AML other m 2023-06-10T00:00:35.00
IV.CSNT.HHE. ML:1.5 0.0000563 0.46 AML other m 2023-06-10T00:00:36.29
IV.MURB.HHE. ML:2.5 0.000411 0.22 AML other m 2023-06-10T00:00:36.54
IV.BARO.EHE. ML:2.0 0.000136 0.4 AML other m 2023-06-10T00:00:36.48
IV.BARO.EHN. ML:1.8 0.000105 0.36 AML other m 2023-06-10T00:00:37.21
IV.MURB.HHN. ML:2.5 0.00047999999999999996 0.5 AML other m 2023-06-10T00:00:39.48
IV.ATPI.EHN. ML:1.7 0.0000655 0.32 AML other m 2023-06-10T00:00:39.27
IV.OSSC.HHN. ML:1.3 0.00003075 0.44 AML other m 2023-06-10T00:00:39.88
IV.OSSC.HHE. ML:1.4 0.00003395 0.42 AML other m 2023-06-10T00:00:40.07
IV.ATPI.EHE. ML:1.6 0.0000514 0.54 AML other m 2023-06-10T00:00:40.80
IV.ARRO.EHE. ML:1.4 0.00002985 0.24 AML other m 2023-06-10T00:00:41.70
IV.CRE.HHE. ML:1.4 0.0000327 0.68 AML other m 2023-06-10T00:00:42.14
IV.ATCC.EHE. ML:2.0 0.000135 0.36 AML other m 2023-06-10T00:00:42.39
IV.ARRO.EHN. ML:1.5 0.0000344 1.28 AML other m 2023-06-10T00:00:42.95
IV.ATCC.EHN. ML:1.8 0.00008585000000000001 0.34 AML other m 2023-06-10T00:00:43.23
IV.PARC.HHE. ML:1.5 0.00003485 0.46 AML other m 2023-06-10T00:00:43.93
TV.SF11.HHE. ML:0.0 0.019644825 0.1024 AML other m 2023-06-10T00:00:11.78
TV.SF11.HHN. ML:0.0 0.025768435 0.1152 AML other m 2023-06-10T00:00:11.74
IV.RIBO.EHE.01 ML:1.9 0.0002081112 0.2176 AML other m 2023-06-10T00:00:30.07
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