Earthquake with magnitude of ML 1.6 on date 09-02-2019 and time 07:41:38 (Italy) in region 1 km NW Proceno (VT)

A magnitude ML 1.6 earthquake occured in region: 1 km NW Proceno (VT), on

  • 09-02-2019 06:41:38 (UTC)
  • 09-02-2019 07:41:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7650, 11.8180 at 6 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
Proceno VT 1 557 557
Acquapendente VT 5 5506 6063
Onano VT 8 995 7058
Castell'Azzara GR 10 1476 8534
Grotte di Castro VT 11 2683 11217
San Lorenzo Nuovo VT 11 2091 13308
Sorano GR 12 3428 16736
San Casciano dei Bagni SI 13 1632 18368
Gradoli VT 14 1353 19721
Allerona TR 14 1794 21515
Piancastagnaio SI 14 4230 25745
Castel Giorgio TR 15 2131 27876
Castel Viscardo TR 15 2938 30814
Latera VT 15 836 31650
Radicofani SI 15 1097 32747
Abbadia San Salvatore SI 17 6444 39191
Pitigliano GR 19 3818 43009
Bolsena VT 19 3991 47000
Fabro TR 20 2876 49876

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km NW of Viterbo (67173 inhabitants)
57 Km E of Grosseto (82087 inhabitants)
60 Km SW of Perugia (166134 inhabitants)
72 Km W of Terni (111501 inhabitants)
73 Km SE of Siena (53903 inhabitants)
75 Km N of Civitavecchia (52991 inhabitants)
75 Km W of Foligno (57155 inhabitants)
78 Km S of Arezzo (99543 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 2019-02-09
06:41:38
42.7647 11.8177 6 2019-08-22
08:24:50
Bollettino Sismico Italiano INGV 65574731
Reviewed
Rev100
ML 1.6 2019-02-09
06:41:38
42.7605 11.7957 11 2019-02-09
07:26:29
Sala Sismica INGV-Roma 65342651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-09 06:41:38 ± 0.08
Latitude 42.7647 ± 0.0045
Longitude 11.8177 ± 0.0049
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65574731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 432
Semi-minor axis of confidence ellipse (meter) 386
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 349
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.93080
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 65342651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-09 07:26:29

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 65574731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-06-12 23:33:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MILN.HNZ. 2019-02-09T06:43:02.92 3.0 undecidable manual Sn -4.7 0
IV.SPS2.HHZ. 2019-02-09T06:43:01.88 3.0 undecidable manual P 9.15 0
IV.SBPO.HNZ. 2019-02-09T06:42:49.98 3.0 undecidable manual Sg 1.75 0
IV.TDS.HHZ. 2019-02-09T06:42:47.92 3.0 undecidable manual P -1.17 0
CH.BERNI.HHZ. 2019-02-09T06:42:45.29 3.0 positive manual P 6.4 0
IV.ZONE.HHZ. 2019-02-09T06:42:34.30 3.0 undecidable manual P 4.1 0
IV.BRSN.EHZ. 2019-02-09T06:42:33.49 3.0 undecidable manual Sg 2.49 0
IV.SARZ.HHZ. 2019-02-09T06:42:23.60 3.0 positive manual P -2.88 0
IV.SFI.EHZ. 2019-02-09T06:42:03.98 3.0 undecidable manual P 4.27 0
IV.CAFI.HNN. 2019-02-09T06:41:58.80 0.3 undecidable manual S 11 63.7917 50 -0.06 69
IV.PIEI.HHE. 2019-02-09T06:41:56.79 0.6 undecidable manual P 34 103.3188 50 0.52 38
IV.FIR.HHZ. 2019-02-09T06:41:56.29 3.0 undecidable manual P -2.53 0
IV.ATPI.EHE. 2019-02-09T06:41:54.66 1.0 undecidable manual P 32 89.6436 50 0.51 20
IV.MURB.HHE. 2019-02-09T06:41:52.24 1.0 undecidable manual P 46 79.6647 50 -0.37 21
IV.MOMA.HNZ. 2019-02-09T06:41:50.05 0.6 undecidable manual P 86 61.3941 50 0.25 44
IV.CAFI.HNN. 2019-02-09T06:41:49.81 0.3 undecidable manual P 11 63.7917 50 -0.35 65
IV.MGAB.HHE. 2019-02-09T06:41:48.56 0.3 undecidable manual S 55 29.0487 102 -0.02 74
TV.SF01.EHZ. 2019-02-09T06:41:45.80 0.1 undecidable manual S 284 21.3675 106 -0.19 96
TV.SF13.HHE. 2019-02-09T06:41:44.50 0.3 undecidable manual S 290 17.1717 110 -0.12 74
IV.LATE.HHZ. 2019-02-09T06:41:44.48 0.3 undecidable manual S 184 16.7721 110 0 76
TV.SF11.HHE. 2019-02-09T06:41:44.20 0.3 undecidable manual S 316 16.1727 111 -0.07 75
TV.SF04.EHZ. 2019-02-09T06:41:43.90 0.3 undecidable manual S 302 15.0738 112 -0.01 76
IV.MGAB.HHE. 2019-02-09T06:41:43.84 0.1 undecidable manual P 55 29.0487 102 -0.39 91
TV.SF14.HHE. 2019-02-09T06:41:43.80 0.6 undecidable manual S 266 16.5723 110 -0.61 43
TV.SF01.EHZ. 2019-02-09T06:41:43.00 0.1 undecidable manual P 284 21.3675 106 0.26 95
TV.SF11.HHE. 2019-02-09T06:41:42.00 0.1 undecidable manual P 316 16.1727 111 0.26 96
TV.SF03.EHE. 2019-02-09T06:41:42.96 0.3 undecidable manual S 291 11.5773 118 0.14 74
IV.MCIV.CHZ. 2019-02-09T06:41:42.90 0.3 undecidable manual S 278 11.5773 118 0.07 75
TV.SF03.EHE. 2019-02-09T06:41:41.15 0.1 undecidable manual P 291 11.5773 118 0.25 97
TV.SF14.HHE. 2019-02-09T06:41:41.47 0.1 undecidable manual P 266 16.5723 110 -0.35 94
IV.LATE.HHZ. 2019-02-09T06:41:41.90 0.1 undecidable manual P 184 16.7721 110 0.04 100
IV.MCIV.CHZ. 2019-02-09T06:41:41.14 0.1 undecidable manual P 278 11.5773 118 0.23 97
TV.SF13.HHE. 2019-02-09T06:41:41.66 0.6 undecidable manual P 290 17.1717 110 -0.28 48
TV.SF04.EHZ. 2019-02-09T06:41:41.77 0.1 undecidable manual P 302 15.0738 112 0.24 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCIV.CHN. ML:1.3 0.00028100000000000005 0.12 AML other m 2019-02-09T06:41:44.08
TV.SF04.EHE. ML:1.6 0.0003815 0.38 AML other m 2019-02-09T06:41:44.69
TV.SF04.EHN. ML:1.8 0.0007885 1.3 AML other m 2019-02-09T06:41:45.81
TV.SF01.EHN. ML:1.7 0.0003725 1.36 AML other m 2019-02-09T06:41:46.08
TV.SF01.EHE. ML:1.7 0.0003945 0.26 AML other m 2019-02-09T06:41:46.89
IV.MCIV.CHE. ML:1.4 0.0003175 0.9 AML other m 2019-02-09T06:41:47.43
IV.LATE.HHE. ML:1.6 0.000411 0.24 AML other m 2019-02-09T06:41:48.75
IV.LATE.HHN. ML:1.8 0.0005705 0.44 AML other m 2019-02-09T06:41:50.20
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