Earthquake with magnitude of ML 1.6 on date 14-02-2019 and time 15:39:14 (Italy) in region 3 km SW Arcidosso (GR)

A magnitude ML 1.6 earthquake occured in region: 3 km SW Arcidosso (GR), on

  • 14-02-2019 14:39:14 (UTC)
  • 14-02-2019 15:39:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8590, 11.5090 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Arcidosso GR 3 4285 4285
Castel del Piano GR 5 4690 8975
Santa Fiora GR 7 2622 11597
Roccalbegna GR 8 1044 12641
Seggiano GR 9 961 13602
Cinigiano GR 10 2618 16220
Abbadia San Salvatore SI 14 6444 22664
Semproniano GR 15 1059 23723
Piancastagnaio SI 15 4230 27953
Castell'Azzara GR 18 1476 29429
Castiglione d'Orcia SI 19 2346 31775
Campagnatico GR 19 2412 34187

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Grosseto (82087 inhabitants)
53 Km S of Siena (53903 inhabitants)
69 Km NW of Viterbo (67173 inhabitants)
74 Km SW of Arezzo (99543 inhabitants)
77 Km W of Perugia (166134 inhabitants)
88 Km N of Civitavecchia (52991 inhabitants)
98 Km W of Foligno (57155 inhabitants)
99 Km W of Terni (111501 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 2019-02-14
14:39:14
42.8593 11.5093 7 2019-08-22
08:25:14
Bollettino Sismico Italiano INGV 71274881
Reviewed
Rev100
ML 1.5 2019-02-14
14:39:14
42.8512 11.5152 9 2019-02-14
15:37:06
Sala Sismica INGV-Roma 65541531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-14 14:39:14 ± 0.13
Latitude 42.8593 ± 0.0081
Longitude 11.5093 ± 0.0074
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 71274881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 794
Semi-minor axis of confidence ellipse (meter) 609
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 29
Circular confidence region, given by single value of horizontal uncertainty (meter) 790.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 18
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) 0.43527
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 71274881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-10 06:56:06

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 65541531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-14 15:37:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.SLC1.HGZ. 2019-02-14T14:41:02.19 3.0 undecidable manual Sn -0.21 0
IV.MTGR.HHZ. 2019-02-14T14:40:39.83 3.0 negative manual Pg 13.55 0
IV.MCRV.HHZ. 2019-02-14T14:40:18.40 3.0 undecidable manual Pg 15.07 0
CH.MUGIO.HHZ. 2019-02-14T14:39:56.55 3.0 undecidable manual Pg 8.41 0
IV.TRTR.HHZ. 2019-02-14T14:39:42.71 3.0 negative manual Pg 5.17 0
IV.RIBO.EHE. 2019-02-14T14:39:28.34 0.6 undecidable manual S 285 38.9277 50 -0.25 46
IV.FROS.CHE. 2019-02-14T14:39:23.84 0.6 undecidable manual P 324 48.3183 50 -0.41 43
IV.RIBO.EHE. 2019-02-14T14:39:23.07 0.6 undecidable manual P 285 38.9277 50 0.27 45
IV.LATE.HHN. 2019-02-14T14:39:23.33 0.6 undecidable manual P 139 36.3414 101 1.01 35
TV.SF11.HHE. 2019-02-14T14:39:20.25 0.1 undecidable manual S 86 13.875 118 -0.07 98
TV.SF03.EHE. 2019-02-14T14:39:20.87 0.1 undecidable manual S 114 15.6732 115 -0.01 99
IV.MCIV.CHZ. 2019-02-14T14:39:20.83 0.3 undecidable manual S 123 16.2726 114 -0.26 70
TV.SF14.HHE. 2019-02-14T14:39:20.08 0.1 undecidable manual S 143 14.3745 117 -0.41 92
TV.SF13.HHE. 2019-02-14T14:39:19.22 0.1 undecidable manual S 117 10.0788 126 0.02 100
TV.SF04.EHZ. 2019-02-14T14:39:19.74 0.3 undecidable manual S 102 12.5763 120 -0.2 72
TV.SF01.EHZ. 2019-02-14T14:39:18.48 0.1 undecidable manual S 140 6.8931 137 0.12 98
TV.SF11.HHE. 2019-02-14T14:39:18.02 0.1 undecidable manual P 86 13.875 118 -0.01 99
TV.SF03.EHE. 2019-02-14T14:39:18.50 0.1 undecidable manual P 114 15.6732 115 0.14 97
IV.MCIV.CHZ. 2019-02-14T14:39:18.60 0.1 undecidable manual P 123 16.2726 114 0.13 97
TV.SF14.HHE. 2019-02-14T14:39:17.97 0.1 undecidable manual P 143 14.3745 117 -0.16 96
TV.SF01.EHZ. 2019-02-14T14:39:17.01 0.1 undecidable manual P 140 6.8931 137 0.11 98
TV.SF13.HHE. 2019-02-14T14:39:17.57 0.1 undecidable manual P 117 10.0788 126 0.19 97
TV.SF04.EHZ. 2019-02-14T14:39:17.87 0.1 undecidable manual P 102 12.5763 120 0.06 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
TV.SF01.EHN. ML:1.5 0.000561 1.04 AML other m 2019-02-14T14:39:18.59
TV.SF01.EHE. ML:1.4 0.0004595 0.96 AML other m 2019-02-14T14:39:19.38
TV.SF04.EHE. ML:1.9 0.0010585 0.24 AML other m 2019-02-14T14:39:20.54
TV.SF04.EHN. ML:1.8 0.000781 0.16 AML other m 2019-02-14T14:39:21.08
IV.MCIV.CHE. ML:1.5 0.0002875 0.24 AML other m 2019-02-14T14:39:21.68
IV.MCIV.CHN. ML:1.6 0.0003625 0.24 AML other m 2019-02-14T14:39:21.71
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