Earthquake with magnitude of ML 2.0 on date 08-11-2018 and time 06:01:54 (Italy) in region 5 km SW Castiglione d'Orcia (SI)

A magnitude ML 2.0 earthquake occured in region: 5 km SW Castiglione d'Orcia (SI), on

  • 08-11-2018 05:01:54 (UTC)
  • 08-11-2018 06:01:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9810, 11.5700 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Castiglione d'Orcia SI 5 2346 2346
Seggiano GR 6 961 3307
San Quirico d'Orcia SI 9 2662 5969
Castel del Piano GR 10 4690 10659
Montalcino SI 11 5093 15752
Arcidosso GR 12 4285 20037
Pienza SI 14 2107 22144
Abbadia San Salvatore SI 14 6444 28588
Santa Fiora GR 17 2622 31210
Cinigiano GR 17 2618 33828
Piancastagnaio SI 18 4230 38058
Radicofani SI 19 1097 39155
Buonconvento SI 19 3173 42328
San Giovanni d'Asso SI 19 853 43181

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km SE of Siena (53903 inhabitants)
44 Km NE of Grosseto (82087 inhabitants)
60 Km SW of Arezzo (99543 inhabitants)
68 Km W of Perugia (166134 inhabitants)
76 Km NW of Viterbo (67173 inhabitants)
91 Km S of Firenze (382808 inhabitants)
92 Km SE of Scandicci (50609 inhabitants)
92 Km W of Foligno (57155 inhabitants)
100 Km W of Terni (111501 inhabitants)
101 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
Bulletin
Rev1000
ML 2.0 2018-11-08
05:01:54
42.9812 11.5697 10 2019-06-04
09:16:03
Bollettino Sismico Italiano INGV 63965161
Reviewed
Rev100
ML 2.1 2018-11-08
05:01:54
42.9947 11.6138 10 2018-11-08
05:11:06
Sala Sismica INGV-Roma 62885661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-08 05:01:54 ± 0.1
Latitude 42.9812 ± 0.0063
Longitude 11.5697 ± 0.0074
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 63965161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 632
Semi-minor axis of confidence ellipse (meter) 577
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 180
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 46
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.13850
Epicentral distance of station farthest from the epicenter (degree) 1.12415
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 63965161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-12-17 10:50:15

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 62885661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-08 05:11:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RUFI.EHE. 2018-11-08T05:02:22.75 0.1 undecidable manual S 357 95.1381 50 -0.01 86
IV.ASQU.HHZ. 2018-11-08T05:02:21.83 0.1 undecidable manual S 11 92.1411 50 -0.14 85
IV.PARC.HHZ. 2018-11-08T05:02:21.84 0.1 undecidable manual S 36 91.6416 50 0.02 87
IV.MURB.HHZ. 2018-11-08T05:02:20.20 0.1 undecidable manual S 68 83.4498 50 0.57 77
IV.MOMA.HNZ. 2018-11-08T05:02:19.87 0.3 undecidable manual S 103 83.6496 50 0.18 64
IV.MTCR.EHZ. 2018-11-08T05:02:16.04 0.3 undecidable manual P 339 124.7862 50 0.63 52
IV.OSSC.HHZ. 2018-11-08T05:02:14.86 0.1 undecidable manual S 337 65.5899 50 -0.01 91
IV.TRIF.HHZ. 2018-11-08T05:02:12.06 0.1 undecidable manual S 286 56.0994 50 -0.26 88
IV.CSNT.HHZ. 2018-11-08T05:02:12.53 0.1 undecidable manual S 338 59.0964 50 -0.6 80
IV.PIEI.HHZ. 2018-11-08T05:02:11.61 0.1 undecidable manual P 51 99.3228 50 0.12 84
IV.CRMI.HHZ. 2018-11-08T05:02:11.22 0.1 undecidable manual P 332 102.12 50 -0.7 71
IV.RUFI.EHE. 2018-11-08T05:02:11.52 0.1 undecidable manual P 357 95.1381 50 0.67 73
IV.PARC.HHZ. 2018-11-08T05:02:10.25 0.1 undecidable manual P 36 91.6416 50 -0.05 86
IV.ASSB.HHN. 2018-11-08T05:02:10.27 0.3 undecidable manual P 85 88.6446 50 0.43 60
IV.ASQU.HHZ. 2018-11-08T05:02:10.74 0.1 undecidable manual P 11 92.1411 50 0.35 81
IV.MOMA.HNZ. 2018-11-08T05:02:09.76 0.3 undecidable manual P 103 83.6496 50 0.68 56
IV.MURB.HHZ. 2018-11-08T05:02:09.39 0.1 undecidable manual P 68 83.4498 50 0.35 82
IV.RIBO.EHZ. 2018-11-08T05:02:08.40 0.1 undecidable manual S 265 42.624 50 -0.33 89
IV.CRE.HHZ. 2018-11-08T05:02:08.22 0.1 undecidable manual P 23 77.1672 50 0.14 87
IV.LATE.HHZ. 2018-11-08T05:02:08.97 0.1 undecidable manual S 155 45.0216 50 -0.41 87
IV.MAON.HHZ. 2018-11-08T05:02:07.95 0.1 undecidable manual P 210 70.9734 50 0.82 71
IV.FROS.HHZ. 2018-11-08T05:02:07.87 0.1 undecidable manual S 307 42.0246 50 -0.7 79
IV.ATTE.HHZ. 2018-11-08T05:02:06.34 0.1 undecidable manual P 69 67.8765 50 -0.31 85
IV.OSSC.HHZ. 2018-11-08T05:02:05.84 0.1 undecidable manual P 337 65.5899 50 -0.45 83
IV.TRIF.HHZ. 2018-11-08T05:02:05.64 0.1 undecidable manual P 286 56.0994 50 0.82 74
IV.CSNT.HHZ. 2018-11-08T05:02:04.72 0.1 undecidable manual P 338 59.0964 50 -0.56 81
IV.CAFI.HHZ. 2018-11-08T05:02:03.23 0.1 positive manual P 40 50.2164 50 -0.69 79
IV.RIBO.EHZ. 2018-11-08T05:02:03.27 0.1 undecidable manual P 265 42.624 50 0.52 85
IV.LATE.HHZ. 2018-11-08T05:02:03.34 0.1 undecidable manual P 155 45.0216 50 0.22 91
IV.MCIV.HHZ. 2018-11-08T05:02:02.94 0.1 undecidable manual S 159 24.0537 112 -0.63 84
TV.SF01.EHZ. 2018-11-08T05:02:02.05 0.1 undecidable manual S 182 18.7701 117 0.16 96
TV.SF03.EHN. 2018-11-08T05:02:02.40 0.1 undecidable manual S 154 21.9669 114 -0.47 90
IV.FROS.HHZ. 2018-11-08T05:02:02.61 0.1 undecidable manual P 307 42.0246 50 -0.05 95
TV.SF14.HHE. 2018-11-08T05:02:02.99 0.1 undecidable manual S 172 25.3524 111 -0.99 72
TV.SF13.HHE. 2018-11-08T05:02:01.73 0.1 undecidable manual S 167 18.4704 117 -0.07 98
TV.SF04.EHZ. 2018-11-08T05:02:01.22 0.1 undecidable manual S 155 17.7711 118 -0.35 93
IV.ARCI.HHZ. 2018-11-08T05:02:01.91 0.1 undecidable manual S 208 16.2726 121 0.79 80
TV.SF11.HHE. 2018-11-08T05:02:00.46 0.1 undecidable manual S 145 15.3735 122 -0.38 92
TV.SF03.EHN. 2018-11-08T05:01:59.51 0.1 positive manual P 154 21.9669 114 0.14 96
TV.SF14.HHE. 2018-11-08T05:01:59.76 0.1 positive manual P 172 25.3524 111 -0.24 94
TV.SF13.HHE. 2018-11-08T05:01:59.07 0.1 positive manual P 167 18.4704 117 0.32 93
IV.MCIV.HHZ. 2018-11-08T05:01:59.88 0.1 positive manual P 159 24.0537 112 0.11 96
TV.SF01.EHZ. 2018-11-08T05:01:59.16 0.1 positive manual P 182 18.7701 117 0.36 92
TV.SF04.EHZ. 2018-11-08T05:01:58.77 0.1 positive manual P 155 17.7711 118 0.16 97
IV.ARCI.HHZ. 2018-11-08T05:01:58.82 0.1 positive manual P 208 16.2726 121 0.47 91
TV.SF11.HHE. 2018-11-08T05:01:58.20 0.1 undecidable manual P 145 15.3735 122 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:1.9 0.00007935431500000001 0.48 AML other m 2018-11-08T05:02:29.80
IV.MCIV.HHE. ML:2.3 0.0011502815 0.256 AML other m 2018-11-08T05:02:05.26
IV.MCIV.HHN. ML:2.2 0.00102259025 0.2016 AML other m 2018-11-08T05:02:05.49
IV.FROS.HHE. ML:2.3 0.00063629295 0.4064 AML other m 2018-11-08T05:02:11.22
IV.FROS.HHN. ML:2.3 0.0006716847999999999 0.1696 AML other m 2018-11-08T05:02:09.14
IV.CAFI.HHN. ML:1.7 0.00011871795000000001 0.24 AML other m 2018-11-08T05:02:12.02
IV.CAFI.HNE. ML:1.9 0.0002179892 0.32 AML other m 2018-11-08T05:02:12.29
IV.CAFI.HNN. ML:1.7 0.00012160444400000001 0.32 AML other m 2018-11-08T05:02:12.28
IV.LATE.HHE. ML:1.9 0.00025819274999999995 0.2208 AML other m 2018-11-08T05:02:10.13
IV.CSNT.HHE. ML:1.9 0.00018135015000000001 0.24 AML other m 2018-11-08T05:02:13.44
IV.CSNT.HHN. ML:2.0 0.00019967045 0.2784 AML other m 2018-11-08T05:02:13.74
IV.OSSC.HHE. ML:1.8 0.00010584119999999999 0.1792 AML other m 2018-11-08T05:02:16.04
IV.OSSC.HNN. ML:2.0 0.00020448425 0.56 AML other m 2018-11-08T05:02:16.51
IV.ATTE.HHN. ML:2.0 0.00018689155 0.4224 AML other m 2018-11-08T05:02:17.65
IV.ATTE.HHE. ML:2.2 0.00024289215 0.5408 AML other m 2018-11-08T05:02:18.06
IV.CRE.HHN. ML:2.0 0.00016186325000000002 0.2592 AML other m 2018-11-08T05:02:21.54
IV.ASQU.HHE. ML:2.2 0.00019313415 0.32 AML other m 2018-11-08T05:02:23.05
IV.PIEI.HHE. ML:1.8 0.000057714315000000005 0.32 AML other m 2018-11-08T05:02:30.78
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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