Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 01-07-2019 and time 11:23:00 (UTC) in region 6 km SW Cetona (SI)

A magnitude ML 1.4 earthquake occured in region: 6 km SW Cetona (SI), on

  • 01-07-2019 11:23:00 (UTC)
  • 01-07-2019 13:23:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9250, 11.8490 at 11 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cetona SI 6 2755 2755
San Casciano dei Bagni SI 6 1632 4387
Radicofani SI 7 1097 5484
Sarteano SI 8 4717 10201
Chiusi SI 13 8704 18905
Città della Pieve PG 13 7712 26617
Abbadia San Salvatore SI 15 6444 33061
Chianciano Terme SI 15 7105 40166
Fabro TR 15 2876 43042
Piancastagnaio SI 15 4230 47272
Allerona TR 16 1794 49066
Monteleone d'Orvieto TR 17 1467 50533
Proceno VT 19 557 51090
Montepulciano SI 20 14097 65187
Montegabbione TR 20 1216 66403

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km W of Perugia (166134 inhabitants)
60 Km NW of Viterbo (67173 inhabitants)
60 Km S of Arezzo (99543 inhabitants)
61 Km SE of Siena (53903 inhabitants)
63 Km E of Grosseto (82087 inhabitants)
70 Km W of Foligno (57155 inhabitants)
77 Km NW of Terni (111501 inhabitants)
93 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 1.4 2019-07-01
11:23:00		 42.9252 11.8487 11 2019-07-01
11:34:16		 Sala Sismica INGV-Roma 70095391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-01 11:23:00 ± 0.06
Latitude 42.9252 ± 0.0045
Longitude 11.8487 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 70095391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 545
Semi-minor axis of confidence ellipse (meter) 264
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 147
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.66190
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 70095391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-01 11:34:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTTG.HHZ. 2019-07-01T11:24:37.71 3.0 negative manual Pg 18.07 0
CH.FUORN.HHZ. 2019-07-01T11:24:33.65 3.0 undecidable manual Sn 2.13 0
IT.ORP.HGZ. 2019-07-01T11:24:29.10 3.0 undecidable manual Sg 12.73 0
IV.MARS.EHZ. 2019-07-01T11:24:18.65 3.0 negative manual Pn 4.19 0
IV.PTRJ.HHZ. 2019-07-01T11:24:09.17 3.0 undecidable manual Sn 3.8 0
IV.SGG.HHZ. 2019-07-01T11:24:09.99 3.0 undecidable manual Sg 6.84 0
IV.CNCS.HNZ. 2019-07-01T11:24:09.17 3.0 undecidable manual Sn -0.71 0
CH.DIX.HHZ. 2019-07-01T11:24:09.49 3.0 undecidable manual Pn 9.76 0
IV.NOCI.HHZ. 2019-07-01T11:23:57.14 3.0 negative manual Pn -1.82 0
IV.LIK.EHZ.01 2019-07-01T11:23:52.31 3.0 undecidable manual Sn 0 0
MN.TRI.HHZ. 2019-07-01T11:23:39.39 3.0 positive manual Pn 3.7 0
IV.CADC.HNZ. 2019-07-01T11:23:34.66 3.0 undecidable manual Pn -0.59 0
IV.VVLD.HHZ. 2019-07-01T11:23:23.98 3.0 positive manual Pn 1.28 0
IV.ATTE.HHZ. 2019-07-01T11:23:16.97 0.3 undecidable manual S 53 50.9157 50 0.01 72
IV.CAFI.HNZ. 2019-07-01T11:23:15.50 0.3 undecidable manual S 12 45.8208 50 -0.1 72
IV.ATPI.HNZ. 2019-07-01T11:23:13.85 0.3 undecidable manual P 37 73.4709 50 0.23 67
IV.LATE.HHZ. 2019-07-01T11:23:12.69 0.3 undecidable manual S 186 34.743 50 0.04 74
IV.ATVO.HHZ. 2019-07-01T11:23:12.86 0.6 undecidable manual P 42 67.8765 50 0.1 46
IV.MURB.HNZ. 2019-07-01T11:23:12.94 0.6 undecidable manual P 55 66.378 50 0.42 43
IV.ATMI.HHZ. 2019-07-01T11:23:11.24 0.6 undecidable manual P 37 56.6988 50 0.21 46
IV.MOMA.HHZ. 2019-07-01T11:23:11.68 0.6 undecidable manual P 103 60.1953 50 0.11 47
IV.ARCI.HHZ. 2019-07-01T11:23:11.61 0.3 undecidable manual S 255 31.4463 50 -0.15 72
TV.SF14.HHE. 2019-07-01T11:23:10.15 0.6 undecidable manual S 225 26.8509 50 -0.38 46
TV.SF01.EHZ. 2019-07-01T11:23:10.18 0.6 undecidable manual S 242 26.3514 50 -0.24 48
IV.ATTE.HHZ. 2019-07-01T11:23:09.63 0.6 undecidable manual P 53 50.9157 50 -0.51 43
IV.MCIV.CHE. 2019-07-01T11:23:09.48 0.6 undecidable manual S 221 21.4674 50 0.38 47
IV.CAFI.HNZ. 2019-07-01T11:23:09.08 0.3 undecidable manual P 12 45.8208 50 -0.28 69
TV.SF13.HHE. 2019-07-01T11:23:09.30 0.3 undecidable manual S 238 22.0668 50 0.03 76
TV.SF03.EHE. 2019-07-01T11:23:08.43 0.3 undecidable manual S 224 18.9699 119 0.05 75
IV.ARCI.HHZ. 2019-07-01T11:23:07.35 0.3 undecidable manual P 255 31.4463 50 0.21 72
TV.SF04.EHZ. 2019-07-01T11:23:07.95 0.6 undecidable manual S 237 18.2706 120 -0.21 50
IV.LATE.HHZ. 2019-07-01T11:23:07.92 0.1 undecidable manual P 186 34.743 50 0.27 95
TV.SF11.HHE. 2019-07-01T11:23:07.03 0.6 undecidable manual S 246 15.1737 125 -0.23 50
IV.MCIV.CHE. 2019-07-01T11:23:06.00 0.3 undecidable manual P 221 21.4674 50 0.4 70
TV.SF14.HHE. 2019-07-01T11:23:06.03 0.3 undecidable manual P 225 26.8509 50 -0.4 69
TV.SF01.EHZ. 2019-07-01T11:23:06.55 0.3 undecidable manual P 242 26.3514 50 0.19 74
IV.SACS.HHZ. 2019-07-01T11:23:05.58 0.3 undecidable manual S 150 9.7791 137 -0.28 75
TV.SF13.HHE. 2019-07-01T11:23:05.79 0.3 undecidable manual P 238 22.0668 50 0.09 75
TV.SF03.EHE. 2019-07-01T11:23:05.34 0.6 undecidable manual P 224 18.9699 119 0.15 49
TV.SF04.EHZ. 2019-07-01T11:23:05.25 0.3 positive manual P 237 18.2706 120 0.19 73
TV.SF11.HHE. 2019-07-01T11:23:04.69 0.6 undecidable manual P 246 15.1737 125 0.15 49
IV.SACS.HHZ. 2019-07-01T11:23:03.48 0.1 positive manual P 150 9.7791 137 -0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
TV.SF01.EHE. ML:1.5 0.0001588722 0.384 AML other m 2019-07-01T11:23:12.16
TV.SF01.EHN. ML:1.2 0.00009671937999999999 0.3584 AML other m 2019-07-01T11:23:10.79
IV.ARCI.HHE. ML:1.0 0.00004753187 0.5568 AML other m 2019-07-01T11:23:15.98
IV.ARCI.HHN. ML:1.1 0.000060739340000000006 0.3392 AML other m 2019-07-01T11:23:12.50
IV.ARCI.HNE. ML:1.5 0.00013120685 0.5888 AML other m 2019-07-01T11:23:16.58
IV.ARCI.HNN. ML:1.5 0.0001540177 0.8768 AML other m 2019-07-01T11:23:23.91
IV.LATE.HHE. ML:1.5 0.00012921785 0.3008 AML other m 2019-07-01T11:23:19.29
IV.LATE.HHN. ML:1.6 0.00015715795 0.3264 AML other m 2019-07-01T11:23:19.72
IV.MOMA.HHE. ML:1.3 0.000039256415 0.32 AML other m 2019-07-01T11:23:28.08
IV.MOMA.HHN. ML:1.2 0.00003724019 0.2432 AML other m 2019-07-01T11:23:25.83
IV.MOMA.HNN. ML:2.4 0.0004951664 0.9984 AML other m 2019-07-01T11:23:15.68
IV.VVLD.HHE. ML:1.6 0.000013836474999999999 0.064 AML other m 2019-07-01T11:23:28.02
IV.VVLD.HHN. ML:1.5 0.000010068035500000001 0.0832 AML other m 2019-07-01T11:23:28.28
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