Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 06-10-2019 and time 16:03:12 (Italy) in region 3 km NE Piancastagnaio (SI)

A magnitude ML 2.1 earthquake occured in region: 3 km NE Piancastagnaio (SI), on

  • 06-10-2019 14:03:12 (UTC)
  • 06-10-2019 16:03:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8670, 11.7150 at 7 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.

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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
Piancastagnaio SI 3 4230 4230
Abbadia San Salvatore SI 3 6444 10674
Radicofani SI 6 1097 11771
Castell'Azzara GR 10 1476 13247
Santa Fiora GR 11 2622 15869
San Casciano dei Bagni SI 13 1632 17501
Arcidosso GR 14 4285 21786
Seggiano GR 15 961 22747
Castel del Piano GR 15 4690 27437
Proceno VT 15 557 27994
Castiglione d'Orcia SI 17 2346 30340
Acquapendente VT 18 5506 35846
Cetona SI 19 2755 38601
Sarteano SI 19 4717 43318
Roccalbegna GR 19 1044 44362

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km E of Grosseto (82087 inhabitants)
59 Km SE of Siena (53903 inhabitants)
59 Km NW of Viterbo (67173 inhabitants)
61 Km W of Perugia (166134 inhabitants)
68 Km S of Arezzo (99543 inhabitants)
81 Km W of Foligno (57155 inhabitants)
83 Km W of Terni (111501 inhabitants)
86 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 2.1 2019-10-06
14:03:12		 42.8668 11.7152 7 2020-02-28
16:42:00		 Bollettino Sismico Italiano INGV 73636811
Reviewed
Rev100 		ML 2.0 2019-10-06
14:03:12		 42.8718 11.723 6 2019-10-06
14:12:23		 Sala Sismica INGV-Roma 73084701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-06 14:03:12 ± 0.07
Latitude 42.8668 ± 0.0063
Longitude 11.7152 ± 0.0061
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73636811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 619
Semi-minor axis of confidence ellipse (meter) 506
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 182
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 57
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.21229
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 66
Type of magnitude ML
Reference to an origin 73084701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-06 14:12:23

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 66
Type of magnitude ML
Reference to an origin 73636811
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-29 08:39:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.BNI.HHZ. 2019-10-06T14:05:08.82 3.0 undecidable manual Sn 1.03 0
OX.ZOU2.HHZ. 2019-10-06T14:05:06.26 3.0 undecidable manual Sg 9.74 0
IT.ORP.HGZ. 2019-10-06T14:04:41.42 3.0 undecidable manual Sn 2.05 0
IV.MAGA.HHZ. 2019-10-06T14:04:34.28 3.0 undecidable manual Sn -3.11 0
IV.SPS2.HHZ. 2019-10-06T14:04:33.41 3.0 negative manual Pn 5.61 0
IV.CSLB.HHZ. 2019-10-06T14:04:33.86 3.0 undecidable manual Pn 2.69 0
GU.SATI.HHZ. 2019-10-06T14:04:31.65 3.0 undecidable manual Pg 16.52 0
IV.ZONE.HHZ. 2019-10-06T14:04:12.56 3.0 negative manual Pg 10.77 0
IV.MAGA.HHZ. 2019-10-06T14:04:10.78 3.0 negative manual Pg 10.44 0
IV.BADI.EHZ. 2019-10-06T14:03:39.10 0.6 undecidable manual S 31 83.1501 50 0.7 37
IV.OSSC.HHZ. 2019-10-06T14:03:38.30 1.0 undecidable manual S 333 82.1511 50 0.17 22
IV.SMA1.EHZ. 2019-10-06T14:03:37.30 1.0 undecidable manual P 101 134.5653 50 1.79 9
IV.MOCL.EHZ. 2019-10-06T14:03:36.56 0.6 undecidable manual P 341 133.3665 50 1.23 26
IV.BARO.EHZ. 2019-10-06T14:03:35.70 1.0 undecidable manual S 158 73.9704 50 -0.24 22
IV.CSNT.HHZ. 2019-10-06T14:03:35.40 0.6 undecidable manual S 333 75.5688 50 -0.96 34
IV.ATMI.HHZ. 2019-10-06T14:03:34.60 1.0 undecidable manual S 41 68.4759 50 0.12 23
IV.CASP.HHZ. 2019-10-06T14:03:33.70 0.6 undecidable manual S 263 69.6747 50 -1.1 32
IV.ATTE.HHZ. 2019-10-06T14:03:32.60 0.6 undecidable manual S 54 63.492 50 -0.54 41
IV.ASQU.HHE. 2019-10-06T14:03:31.30 0.6 undecidable manual P 3 103.3188 50 0.6 37
IV.PIEI.HHZ. 2019-10-06T14:03:30.48 0.3 undecidable manual P 41 99.5226 50 0.37 60
IV.PARC.HHZ. 2019-10-06T14:03:29.79 0.3 undecidable manual P 26 96.5256 50 0.15 64
IV.SSP9.EHZ. 2019-10-06T14:03:28.64 0.6 undecidable manual P 23 85.3479 50 0.71 37
IV.ATFO.HHZ. 2019-10-06T14:03:28.40 0.6 undecidable manual P 51 88.7445 50 -0.06 44
IV.OSSC.HHZ. 2019-10-06T14:03:27.44 0.1 undecidable manual P 333 82.1511 50 0.01 90
IV.CESX.HHZ. 2019-10-06T14:03:27.14 1.0 undecidable manual P 112 76.5678 50 0.57 20
IV.BADI.EHZ. 2019-10-06T14:03:27.67 0.1 undecidable manual P 31 83.1501 50 0.08 88
IV.BARO.EHZ. 2019-10-06T14:03:26.30 0.1 undecidable manual P 158 73.9704 50 0.13 89
IV.MURB.HHZ. 2019-10-06T14:03:26.78 0.3 undecidable manual P 56 78.9654 50 -0.16 66
IV.CSNT.HHZ. 2019-10-06T14:03:26.29 0.1 undecidable manual P 333 75.5688 50 -0.13 89
IV.MAON.HHZ. 2019-10-06T14:03:25.43 0.3 undecidable manual P 225 68.0763 50 0.16 67
IV.CASP.HHZ. 2019-10-06T14:03:25.83 0.1 undecidable manual P 263 69.6747 50 0.32 86
IV.MOMA.HHZ. 2019-10-06T14:03:25.36 0.3 undecidable manual P 95 69.8745 50 -0.18 66
IV.ATMI.HHZ. 2019-10-06T14:03:25.02 0.3 undecidable manual P 41 68.4759 50 -0.31 65
IV.ATTE.HHZ. 2019-10-06T14:03:24.06 0.1 undecidable manual P 54 63.492 50 -0.5 84
IV.FROS.CHZ. 2019-10-06T14:03:24.18 3.0 positive manual P 0.07 0
IV.MGAB.HHZ. 2019-10-06T14:03:23.70 0.6 undecidable manual S 81 32.6451 102 -0.71 41
IV.LATE.HHZ. 2019-10-06T14:03:22.80 0.6 undecidable manual S 166 28.9488 103 -0.37 46
IV.MGAB.HHZ. 2019-10-06T14:03:19.00 0.1 undecidable manual P 81 32.6451 102 -0.51 88
IV.ARCI.HHZ. 2019-10-06T14:03:19.90 0.6 undecidable manual S 265 19.5693 110 -0.13 49
IV.SACS.HHZ. 2019-10-06T14:03:19.10 0.6 undecidable manual S 97 15.9729 114 0.25 48
IV.LATE.HHZ. 2019-10-06T14:03:18.80 0.1 positive manual P 166 28.9488 103 0 99
TV.SF14.HHE. 2019-10-06T14:03:18.10 0.6 undecidable manual S 213 14.874 115 -0.41 47
IV.ARCI.HHZ. 2019-10-06T14:03:17.40 0.1 positive manual P 265 19.5693 110 0.41 92
TV.SF13.HHE. 2019-10-06T14:03:17.10 0.6 undecidable manual S 235 9.4794 126 0.21 49
IV.MCIV.CHZ. 2019-10-06T14:03:17.29 3.0 undecidable manual S 0.04 0
TV.SF01.EHZ. 2019-10-06T14:03:17.20 0.6 undecidable manual S 244 13.7751 117 -0.98 38
IV.SACS.HHZ. 2019-10-06T14:03:16.54 0.1 positive manual P 97 15.9729 114 0.23 97
TV.SF03.EHZ. 2019-10-06T14:03:16.60 0.6 undecidable manual S 199 7.4814 133 0.23 49
TV.SF14.HHE. 2019-10-06T14:03:16.03 0.1 undecidable manual P 213 14.874 115 -0.08 100
TV.SF04.EHZ. 2019-10-06T14:03:16.30 0.6 undecidable manual S 232 5.5944 141 0.37 48
IV.MCIV.CHZ. 2019-10-06T14:03:15.69 3.0 positive manual P 0.28 0
TV.SF04.EHZ. 2019-10-06T14:03:15.14 0.1 undecidable manual P 232 5.5944 141 0.52 92
TV.SF13.HHE. 2019-10-06T14:03:15.53 0.1 undecidable manual P 235 9.4794 126 0.36 95
TV.SF01.EHZ. 2019-10-06T14:03:15.11 0.1 undecidable manual P 244 13.7751 117 -0.81 81
TV.SF03.EHZ. 2019-10-06T14:03:15.33 0.1 undecidable manual P 199 7.4814 133 0.46 93
TV.SF11.HHE. 2019-10-06T14:03:14.08 0.1 undecidable manual P 274 2.997 157 -0.26 98
TV.SF11.HHE. 2019-10-06T14:03:14.90 0.6 undecidable manual S 274 2.997 157 -0.54 46
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
TV.SF01.EHN. ML:2.7 0.006311964 0.2176 AML other m 2019-10-06T14:03:17.36
IV.MCIV.CHE. ML:2.7 0.0070088469999999995 0.2816 AML other m 2019-10-06T14:03:17.67
IV.MCIV.CHN. ML:2.9 0.0115589355 0.288 AML other m 2019-10-06T14:03:18.36
TV.SF01.EHE. ML:2.8 0.008441046 0.3008 AML other m 2019-10-06T14:03:18.92
IV.ARCI.HHN. ML:2.4 0.0019270024999999999 0.2816 AML other m 2019-10-06T14:03:21.49
IV.ARCI.HNN. ML:2.4 0.0018742995000000002 0.2752 AML other m 2019-10-06T14:03:21.49
IV.ARCI.HHE. ML:2.3 0.001490695 0.2944 AML other m 2019-10-06T14:03:22.28
IV.ARCI.HNE. ML:2.2 0.0014169019999999998 0.3072 AML other m 2019-10-06T14:03:22.28
IV.SACS.HHE. ML:2.3 0.0018790715 1.36 AML other m 2019-10-06T14:03:23.06
IV.SACS.HNE. ML:2.3 0.001852496 1.3728 AML other m 2019-10-06T14:03:23.06
IV.MGAB.HHN. ML:2.1 0.0006147294 0.16 AML other m 2019-10-06T14:03:25.38
IV.MGAB.HNN. ML:2.1 0.000555947 0.1408 AML other m 2019-10-06T14:03:25.39
IV.SACS.HNN. ML:2.2 0.0014601825000000001 0.5888 AML other m 2019-10-06T14:03:25.65
IV.SACS.HHN. ML:2.2 0.0015636245 0.6016 AML other m 2019-10-06T14:03:25.95
IV.MGAB.HHE. ML:2.0 0.0004921732999999999 0.2368 AML other m 2019-10-06T14:03:26.79
IV.LATE.HHE. ML:2.7 0.002571677 0.3648 AML other m 2019-10-06T14:03:26.95
IV.BARO.EHE. ML:3.0 0.0015074619999999998 0.8224 AML other m 2019-10-06T14:03:27.76
IV.LATE.HHN. ML:2.7 0.0028168689999999996 0.1792 AML other m 2019-10-06T14:03:27.65
IV.MGAB.HNE. ML:1.9 0.00038906855 0.2368 AML other m 2019-10-06T14:03:29.52
IV.SSP9.EHN. ML:1.8 0.00009141648999999999 0.72 AML other m 2019-10-06T14:03:30.88
IV.MOMA.HNN. ML:2.4 0.00044626944999999994 0.8064 AML other m 2019-10-06T14:03:32.87
IV.ATTE.HHN. ML:2.1 0.000248636 0.2432 AML other m 2019-10-06T14:03:33.60
IV.ATTE.HHE. ML:2.1 0.0002341505 0.3584 AML other m 2019-10-06T14:03:35.30
IV.ATMI.HHE. ML:2.5 0.00064011735 0.4416 AML other m 2019-10-06T14:03:35.39
IV.ATMI.HHN. ML:2.7 0.0008900356000000001 0.32 AML other m 2019-10-06T14:03:36.46
IV.FROS.CHE. ML:2.1 0.00027655045 1.5776 AML other m 2019-10-06T14:03:36.04
IV.CSNT.HHN. ML:1.6 0.00006385180500000002 0.2624 AML other m 2019-10-06T14:03:37.20
IV.CSNT.HHE. ML:1.6 0.000065521775 1.6416 AML other m 2019-10-06T14:03:38.95
IV.CASP.HHE. ML:1.5 0.00005561358 0.32 AML other m 2019-10-06T14:03:38.15
IV.FROS.CHN. ML:2.0 0.00019935885 0.4288 AML other m 2019-10-06T14:03:38.36
IV.MAON.HHE. ML:1.9 0.00013095807000000002 0.4032 AML other m 2019-10-06T14:03:38.19
IV.MAON.HNN. ML:2.1 0.00022455314999999997 1.1552 AML other m 2019-10-06T14:03:39.96
IV.MAON.HHN. ML:1.8 0.00010736911499999998 1.584 AML other m 2019-10-06T14:03:39.97
IV.MURB.HHN. ML:2.6 0.00059032425 1.6992 AML other m 2019-10-06T14:03:40.13
IV.MOMA.HNE. ML:1.9 0.0001244426 1.6032 AML other m 2019-10-06T14:03:41.11
IV.ATFO.HHN. ML:2.2 0.00017118555 0.3584 AML other m 2019-10-06T14:03:41.21
IV.MOMA.HHE. ML:1.8 0.000095627825 0.3392 AML other m 2019-10-06T14:03:41.43
IV.BADI.EHE. ML:1.8 0.000082495615 1.6608 AML other m 2019-10-06T14:03:42.06
IV.OSSC.HNE. ML:1.9 0.00011403339 1.3984 AML other m 2019-10-06T14:03:42.18
IV.OSSC.HHN. ML:1.6 0.000054424605 0.32 AML other m 2019-10-06T14:03:42.39
IV.MURB.HNN. ML:2.6 0.00055006025 0.288 AML other m 2019-10-06T14:03:42.28
IV.MOMA.HHN. ML:1.7 0.000084788275 0.2816 AML other m 2019-10-06T14:03:42.28
IV.BARO.HNE. ML:2.1 0.0002071956 0.4672 AML other m 2019-10-06T14:03:42.94
IV.BARO.HNN. ML:2.1 0.0001793644 1.6096 AML other m 2019-10-06T14:03:42.06
IV.CASP.HHN. ML:1.5 0.000049910445 0.5632 AML other m 2019-10-06T14:03:43.21
IV.MURB.HHE. ML:2.6 0.00063070325 0.3008 AML other m 2019-10-06T14:03:44.45
IV.MURB.HNE. ML:2.6 0.0005457898 0.3392 AML other m 2019-10-06T14:03:44.63
IV.MAON.HNE. ML:1.9 0.00012792443500000001 0.4416 AML other m 2019-10-06T14:03:44.88
IV.PARC.HHE. ML:1.7 0.000055061874999999994 1.4432 AML other m 2019-10-06T14:03:45.76
IV.CESX.HHE. ML:1.7 0.000067894335 0.64 AML other m 2019-10-06T14:03:45.19
IV.BADI.EHN. ML:1.8 0.00009009526 0.3008 AML other m 2019-10-06T14:03:45.32
IV.ASSB.HHE. ML:1.7 0.00007476472500000001 0.5248 AML other m 2019-10-06T14:03:46.44
IV.ASSB.HHN. ML:1.7 0.00007050428000000001 0.4608 AML other m 2019-10-06T14:03:47.31
IV.PARC.HHN. ML:1.9 0.00008161685 0.3392 AML other m 2019-10-06T14:03:47.47
IV.CESX.HHN. ML:1.7 0.00007511393499999999 0.5376 AML other m 2019-10-06T14:03:47.47
IV.OSSC.HHE. ML:1.5 0.000044592140000000006 0.64 AML other m 2019-10-06T14:03:47.49
IV.ATFO.HHE. ML:2.0 0.000128491285 0.4992 AML other m 2019-10-06T14:03:47.72
IV.PIEI.HHE. ML:1.9 0.00007749052 1.68 AML other m 2019-10-06T14:03:48.04
IV.OSSC.HNN. ML:2.1 0.00015349445 1.3984 AML other m 2019-10-06T14:03:49.11
IV.PIEI.HHN. ML:1.6 0.000040334515 0.4032 AML other m 2019-10-06T14:03:49.58
IV.MOCL.EHN. ML:1.7 0.000028953020499999998 0.7808 AML other m 2019-10-06T14:03:50.31
IV.SSP9.EHE. ML:1.9 0.00010252186000000001 0.8192 AML other m 2019-10-06T14:03:51.85
IV.BARO.EHN. ML:3.2 0.0025596144999999997 0.0832 AML other m 2019-10-06T14:03:52.79
IV.SMA1.EHN. ML:2.2 0.00008847398 0.8 AML other m 2019-10-06T14:03:57.69
IV.MOCL.EHE. ML:1.7 0.00003234306 0.7424 AML other m 2019-10-06T14:04:01.61
IV.SMA1.EHE. ML:2.1 0.00008190989 0.7744 AML other m 2019-10-06T14:04:04.54
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
Waveforms Seismic signals in miniseed + resp format Download