Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 16-06-2019 and time 02:09:15 (Italy) in region 5 km N San Casciano dei Bagni (SI)

A magnitude ML 1.6 earthquake occured in region: 5 km N San Casciano dei Bagni (SI), on

  • 16-06-2019 00:09:15 (UTC)
  • 16-06-2019 02:09:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9170, 11.8760 at 11 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
San Casciano dei Bagni SI 5 1632 1632
Cetona SI 6 2755 4387
Sarteano SI 8 4717 9104
Radicofani SI 9 1097 10201
Città della Pieve PG 11 7712 17913
Fabro TR 13 2876 20789
Chiusi SI 13 8704 29493
Allerona TR 14 1794 31287
Monteleone d'Orvieto TR 14 1467 32754
Chianciano Terme SI 16 7105 39859
Abbadia San Salvatore SI 17 6444 46303
Piancastagnaio SI 17 4230 50533
Montegabbione TR 18 1216 51749
Ficulle TR 18 1669 53418
Proceno VT 18 557 53975
Piegaro PG 18 3669 57644
Acquapendente VT 19 5506 63150
Parrano TR 20 534 63684
Paciano PG 20 975 64659

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km W of Perugia (166134 inhabitants)
59 Km NW of Viterbo (67173 inhabitants)
61 Km S of Arezzo (99543 inhabitants)
63 Km SE of Siena (53903 inhabitants)
65 Km E of Grosseto (82087 inhabitants)
68 Km W of Foligno (57155 inhabitants)
74 Km NW of Terni (111501 inhabitants)
92 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 1.6 2019-06-16
00:09:15		 42.9168 11.876 11 2019-11-13
14:30:53		 Bollettino Sismico Italiano INGV 70149901
Reviewed
Rev100 		ML 1.6 2019-06-16
00:09:15		 42.937 11.871 9 2019-06-16
00:17:59		 Sala Sismica INGV-Roma 69565121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-06-16 00:09:15 ± 0.06
Latitude 42.9168 ± 0.0045
Longitude 11.8760 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 70149901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 573
Semi-minor axis of confidence ellipse (meter) 232
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 146
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.76083
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 13
Type of magnitude ML
Reference to an origin 70149901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-03 07:44:05

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 69565121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-06-16 00:17:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATMI.HHZ. 2019-06-16T00:09:32.07 0.6 undecidable manual S 34 56.0994 50 -0.6 40
IV.ATTE.HHN. 2019-06-16T00:09:31.18 0.3 undecidable manual S 51 49.7169 50 0.23 67
IV.CAFI.HHZ. 2019-06-16T00:09:30.10 0.3 undecidable manual S 9 46.3203 50 0.05 70
IV.OSSC.HNE. 2019-06-16T00:09:29.96 0.6 undecidable manual P 323 84.4488 50 0.35 41
IV.CSNT.HHZ. 2019-06-16T00:09:28.91 0.3 undecidable manual P 323 77.7666 50 0.32 63
IV.ATCC.EHZ. 2019-06-16T00:09:27.39 3.0 undecidable manual P -0.32 0
IV.FROS.CHE. 2019-06-16T00:09:27.28 0.3 undecidable manual P 299 66.7776 50 0.39 63
IV.LATE.HHZ. 2019-06-16T00:09:26.82 0.3 undecidable manual S 190 34.1436 50 0.03 72
IV.MURB.HHZ. 2019-06-16T00:09:26.93 3.0 negative manual P 0 0
IV.ATMI.HHZ. 2019-06-16T00:09:25.33 0.3 undecidable manual P 34 56.0994 50 0.08 69
TV.SF01.EHZ. 2019-06-16T00:09:24.95 0.3 undecidable manual S 246 27.9498 50 -0.2 71
TV.SF14.HHZ. 2019-06-16T00:09:24.57 0.3 undecidable manual S 230 27.8499 50 -0.54 65
IV.CAFI.HHZ. 2019-06-16T00:09:23.43 0.3 undecidable manual P 9 46.3203 50 -0.31 67
IV.ATTE.HHN. 2019-06-16T00:09:23.96 0.3 undecidable manual P 51 49.7169 50 -0.3 66
IV.MCIV.CHZ. 2019-06-16T00:09:23.86 0.3 undecidable manual S 227 22.3554 50 0.22 71
TV.SF13.HHZ. 2019-06-16T00:09:23.84 0.6 undecidable manual S 242 23.5542 50 -0.13 48
IV.MGAB.HHZ. 2019-06-16T00:09:22.54 0.3 undecidable manual S 91 19.1697 119 -0.18 72
IV.LATE.HHZ. 2019-06-16T00:09:22.36 0.3 undecidable manual P 190 34.1436 50 0.5 65
TV.SF04.EHZ. 2019-06-16T00:09:22.70 0.3 undecidable manual S 243 19.6692 118 -0.17 72
TV.SF03.EHZ. 2019-06-16T00:09:22.57 0.3 undecidable manual S 231 19.9689 118 -0.39 69
TV.SF11.HHZ. 2019-06-16T00:09:21.97 0.3 undecidable manual S 252 16.872 122 -0.06 74
TV.SF01.EHZ. 2019-06-16T00:09:21.33 0.3 undecidable manual P 246 27.9498 50 0.42 67
TV.SF13.HHZ. 2019-06-16T00:09:20.23 0.3 undecidable manual P 242 23.5542 50 0 74
IV.MCIV.CHZ. 2019-06-16T00:09:20.15 0.3 undecidable manual P 227 22.3554 50 0.11 73
TV.SF14.HHZ. 2019-06-16T00:09:20.45 0.3 undecidable manual P 230 27.8499 50 -0.44 67
IV.MGAB.HHZ. 2019-06-16T00:09:19.24 0.3 undecidable manual P 91 19.1697 119 -0.26 71
TV.SF04.EHZ. 2019-06-16T00:09:19.67 0.3 undecidable manual P 243 19.6692 118 0.08 73
TV.SF03.EHZ. 2019-06-16T00:09:19.85 0.3 undecidable manual P 231 19.9689 118 0.2 71
IV.SACS.HHZ. 2019-06-16T00:09:19.97 0.1 undecidable manual S 160 7.9809 143 0.25 96
TV.SF11.HHZ. 2019-06-16T00:09:19.14 0.3 undecidable manual P 252 16.872 122 0.03 74
IV.SACS.HHZ. 2019-06-16T00:09:17.84 0.1 positive manual P 160 7.9809 143 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MGAB.HNN. ML:1.7 0.00034899999999999997 1.22 AML other m 2019-06-16T00:09:23.09
IV.MGAB.HHN. ML:1.7 0.00039600000000000003 0.82 AML other m 2019-06-16T00:09:24.09
IV.MCIV.CHN. ML:1.5 0.00022 0.4 AML other m 2019-06-16T00:09:24.51
IV.MCIV.CHE. ML:1.6 0.00029549999999999997 0.3 AML other m 2019-06-16T00:09:25.47
IV.MGAB.HHE. ML:1.8 0.0005415 1.58 AML other m 2019-06-16T00:09:26.97
IV.MGAB.HNE. ML:1.8 0.000475 1.48 AML other m 2019-06-16T00:09:27.99
IV.LATE.HHN. ML:1.7 0.000192 1.54 AML other m 2019-06-16T00:09:31.15
IV.LATE.HHE. ML:1.6 0.000155 0.32 AML other m 2019-06-16T00:09:32.63
IV.ATMI.HHE. ML:0.0 0.0000802 0.28 AML other m 2019-06-16T00:09:34.61
IV.ATCC.EHN. ML:1.5 0.0000494 0.54 AML other m 2019-06-16T00:09:42.63
IV.ATMI.HHN. ML:0.0 0.00009905 0.5 AML other m 2019-06-16T00:09:42.46
IV.ATCC.EHE. ML:1.6 0.0000632 0.44 AML other m 2019-06-16T00:09:47.25
TV.SF04.EHN. ML:1.6 0.00030763229999999995 0.28 AML other m 2019-06-16T00:09:23.73
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