Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 03-10-2019 and time 01:32:34 (Italy) in region 2 km W Visso (MC)

A magnitude ML 1.0 earthquake occured in region: 2 km W Visso (MC), on

  • 02-10-2019 23:32:34 (UTC)
  • 03-10-2019 01:32:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9250, 13.0600 at 9 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 3 1107 1107
Preci PG 5 724 1831
Ussita MC 7 444 2275
Castelsantangelo sul Nera MC 8 281 2556
Monte Cavallo MC 9 145 2701
Sellano PG 11 1079 3780
Fiordimonte MC 13 202 3982
Pieve Torina MC 13 1458 5440
Fiastra MC 15 559 5999
Norcia PG 15 4957 10956
Acquacanina MC 15 121 11077
Pievebovigliana MC 16 866 11943
Bolognola MC 16 142 12085
Cerreto di Spoleto PG 17 1075 13160
Muccia MC 18 915 14075
Serravalle di Chienti MC 19 1070 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
53 Km NE of Terni (111501 inhabitants)
58 Km E of Perugia (166134 inhabitants)
60 Km W of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
96 Km NE of Viterbo (67173 inhabitants)
100 Km W of Montesilvano (53738 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 1.0 2019-10-02
23:32:34		 42.925 13.06 9 2019-10-02
23:39:43		 Sala Sismica INGV-Roma 73004381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-02 23:32:34 ± 0.07
Latitude 42.9250 ± 0.0045
Longitude 13.0600 ± 0.0049
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 73004381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 417
Semi-minor axis of confidence ellipse (meter) 410
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 164
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.09533
Epicentral distance of station farthest from the epicenter (degree) 0.37861
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 73004381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-02 23:39:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2019-10-02T23:32:48.55 0.3 undecidable manual S 252 42.0246 50 0.01 73
IV.ASSB.HHZ. 2019-10-02T23:32:46.41 0.6 undecidable manual S 292 35.0427 50 -0.27 47
IV.MF5.EHZ. 2019-10-02T23:32:46.77 0.6 undecidable manual S 78 33.1446 50 0.6 43
IV.MOMA.HHZ. 2019-10-02T23:32:42.51 1.0 undecidable manual P 252 42.0246 50 -0.03 24
IV.MMO1.EHZ. 2019-10-02T23:32:42.14 0.6 undecidable manual S 97 21.867 112 -0.38 47
IV.CSP1.EHZ. 2019-10-02T23:32:42.36 0.6 undecidable manual S 32 21.9669 112 -0.18 49
IV.ASSB.HHZ. 2019-10-02T23:32:41.10 0.6 negative manual P 292 35.0427 50 -0.36 46
IV.MF5.EHZ. 2019-10-02T23:32:41.16 1.0 negative manual P 78 33.1446 50 -0.02 25
IV.CESI.HHZ. 2019-10-02T23:32:40.81 0.6 undecidable manual S 305 15.3735 120 0.31 48
IV.MC2.EHZ. 2019-10-02T23:32:39.32 0.6 undecidable manual S 98 10.5783 130 0.21 49
IV.FDMO.HHZ. 2019-10-02T23:32:39.41 0.6 undecidable manual S 10 12.5763 125 -0.25 49
IV.NRCA.HHZ. 2019-10-02T23:32:39.09 0.6 undecidable manual S 156 11.0778 128 -0.15 50
IV.MMO1.EHZ. 2019-10-02T23:32:38.87 0.3 positive manual P 97 21.867 112 -0.2 73
IV.CSP1.EHZ. 2019-10-02T23:32:38.98 0.6 negative manual P 32 21.9669 112 -0.1 49
IV.CESI.HHZ. 2019-10-02T23:32:38.17 0.6 undecidable manual P 305 15.3735 120 0.28 48
IV.FDMO.HHZ. 2019-10-02T23:32:37.52 0.1 undecidable manual P 10 12.5763 125 0.11 100
IV.NRCA.HHZ. 2019-10-02T23:32:37.27 0.6 undecidable manual P 156 11.0778 128 0.1 50
IV.MC2.EHZ. 2019-10-02T23:32:37.35 0.6 negative manual P 98 10.5783 130 0.25 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.0 0.00013635 0.84 AML other m 2019-10-02T23:32:39.28
IV.FDMO.HHN. ML:0.9 0.00008595 0.12 AML other m 2019-10-02T23:32:40.31
IV.FDMO.HHE. ML:0.8 0.00007384999999999999 0.24 AML other m 2019-10-02T23:32:40.19
IV.CESI.HHN. ML:1.3 0.0001785 0.1 AML other m 2019-10-02T23:32:41.06
IV.CESI.HHE. ML:1.0 0.00010005 0.18 AML other m 2019-10-02T23:32:41.06
IV.NRCA.HHE. ML:0.7 0.00006769999999999999 1.56 AML other m 2019-10-02T23:32:41.94
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