Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 14-12-2019 and time 17:33:13 (Italy) in region 4 km W Visso (MC)

A magnitude ML 0.9 earthquake occured in region: 4 km W Visso (MC), on

  • 14-12-2019 16:33:13 (UTC)
  • 14-12-2019 17:33:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9370, 13.0360 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.

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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
Visso MC 4 1107 1107
Preci PG 6 724 1831
Monte Cavallo MC 7 145 1976
Ussita MC 9 444 2420
Sellano PG 10 1079 3499
Castelsantangelo sul Nera MC 11 281 3780
Pieve Torina MC 12 1458 5238
Fiordimonte MC 12 202 5440
Pievebovigliana MC 15 866 6306
Fiastra MC 15 559 6865
Acquacanina MC 15 121 6986
Cerreto di Spoleto PG 16 1075 8061
Muccia MC 16 915 8976
Serravalle di Chienti MC 17 1070 10046
Norcia PG 17 4957 15003
Bolognola MC 17 142 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
56 Km E of Perugia (166134 inhabitants)
63 Km W of Teramo (54892 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
95 Km NE of Viterbo (67173 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 0.9 2019-12-14
16:33:13		 42.937 13.0357 11 2019-12-14
16:40:51		 Sala Sismica INGV-Roma 74624821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-14 16:33:13 ± 0.05
Latitude 42.9370 ± 0.0036
Longitude 13.0357 ± 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 74624821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 470
Semi-minor axis of confidence ellipse (meter) 218
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 218
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29498
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 74624821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-14 16:40:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
HL.VLS.HHZ. 2019-12-14T16:35:03.00 3.0 positive manual Pn 0.65 0
MN.TIR.HHZ. 2019-12-14T16:34:55.48 3.0 positive manual Pg 22.559999 0
SI.KOSI.HHZ. 2019-12-14T16:34:52.28 3.0 undecidable manual Sn -2.09 0
IV.STAL.HNZ. 2019-12-14T16:34:50.72 3.0 undecidable manual Sg 5.61 0
IV.MAGA.HHZ. 2019-12-14T16:34:47.10 3.0 undecidable manual Sn 2.59 0
CH.FUORN.HHZ. 2019-12-14T16:34:29.52 3.0 undecidable manual Pg 13.23 0
IV.PAOL.HHZ. 2019-12-14T16:34:26.03 3.0 undecidable manual Sg 7.1 0
IV.EUCT.HNZ. 2019-12-14T16:34:16.67 3.0 positive manual Pn 8.3 0
IV.ZONE.HHZ. 2019-12-14T16:34:15.00 3.0 undecidable manual Pg 7.84 0
GU.GRAM.HHZ. 2019-12-14T16:34:04.31 3.0 undecidable manual Pg 9.07 0
IV.LRP.EHZ. 2019-12-14T16:33:54.66 3.0 undecidable manual S -2.87 0
IV.MCIV.CHZ. 2019-12-14T16:33:47.11 3.0 undecidable manual S -0.24 0
IV.NARO.HHZ. 2019-12-14T16:33:38.22 3.0 undecidable manual S -0.98 0
IV.MNTT.EHZ. 2019-12-14T16:33:30.17 3.0 undecidable manual S -0.36 0
IV.CIMA.HNZ. 2019-12-14T16:33:28.65 3.0 positive manual P 2.84 0
IV.ASSB.HHZ. 2019-12-14T16:33:24.48 0.3 undecidable manual S 291 32.745 50 0.02 73
IV.MMO1.EHZ. 2019-12-14T16:33:22.07 0.3 undecidable manual S 100 24.0537 50 -0.06 74
IV.MML1.HNZ. 2019-12-14T16:33:20.86 0.6 undecidable manual S 345 20.2686 50 -0.27 47
IV.ASSB.HHZ. 2019-12-14T16:33:19.69 0.6 undecidable manual P 291 32.745 50 -0.04 49
IV.CESI.HHZ. 2019-12-14T16:33:19.07 0.3 undecidable manual S 305 13.0758 130 -0.11 74
IV.FDMO.HHZ. 2019-12-14T16:33:18.73 0.3 undecidable manual S 21 11.7771 133 -0.13 74
IV.MMO1.EHZ. 2019-12-14T16:33:18.40 0.3 undecidable manual P 100 24.0537 50 0.02 74
IV.NRCA.HHZ. 2019-12-14T16:33:18.96 0.3 undecidable manual S 151 13.1757 130 -0.25 72
IV.MML1.HNZ. 2019-12-14T16:33:18.00 0.6 undecidable manual P 345 20.2686 50 0.2 48
IV.CSP1.EHZ. 2019-12-14T16:33:17.96 3.0 undecidable manual P -0.44 0
IV.NRCA.HHZ. 2019-12-14T16:33:16.72 0.3 negative manual P 151 13.1757 130 0.03 75
IV.MC2.EHZ. 2019-12-14T16:33:16.92 0.3 undecidable manual P 103 12.7761 131 0.29 72
IV.CESI.HHZ. 2019-12-14T16:33:16.84 0.3 undecidable manual P 305 13.0758 130 0.16 73
IV.FDMO.HHZ. 2019-12-14T16:33:16.56 0.1 positive manual P 21 11.7771 133 0.07 100
IT.MTCL.HGZ. 2019-12-14T16:33:15.89 0.3 undecidable manual P 335 6.993 148 0.02 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.7 0.00005314751499999999 0.1408 AML other m 2019-12-14T16:33:19.05
IV.FDMO.HHN. ML:0.4 0.000027088217350000003 0.1408 AML other m 2019-12-14T16:33:19.05
IV.NRCA.HHE. ML:0.8 0.00006305074 0.0896 AML other m 2019-12-14T16:33:19.56
IV.NRCA.HHN. ML:1.0 0.00009077153 0.1408 AML other m 2019-12-14T16:33:19.14
IV.NRCA.HNE. ML:1.0 0.00009823985 0.512 AML other m 2019-12-14T16:33:16.35
IV.NRCA.HNN. ML:1.2 0.00015229235 0.8192 AML other m 2019-12-14T16:33:25.90
IV.CESI.HNE. ML:0.9 0.00008052363 0.4096 AML other m 2019-12-14T16:33:19.75
IV.CESI.HNN. ML:1.6 0.00039339835 0.4736 AML other m 2019-12-14T16:33:16.23
IV.CESI.HHE. ML:0.7 0.000049147210000000003 0.0768 AML other m 2019-12-14T16:33:19.39
IV.CESI.HHN. ML:0.8 0.000071734385 0.1664 AML other m 2019-12-14T16:33:19.39
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