Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 18-02-2017 and time 00:05:40 (Italy) in region 5 km W Visso (MC)

A magnitude ML 1.3 earthquake occured in region: 5 km W Visso (MC), on

  • 17-02-2017 23:05:40 (UTC)
  • 18-02-2017 00:05:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9270, 13.0290 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 5 1107 1107
Preci PG 5 724 1831
Monte Cavallo MC 8 145 1976
Ussita MC 9 444 2420
Sellano PG 9 1079 3499
Castelsantangelo sul Nera MC 11 281 3780
Fiordimonte MC 13 202 3982
Pieve Torina MC 13 1458 5440
Cerreto di Spoleto PG 15 1075 6515
Norcia PG 16 4957 11472
Pievebovigliana MC 16 866 12338
Fiastra MC 16 559 12897
Acquacanina MC 17 121 13018
Muccia MC 17 915 13933
Serravalle di Chienti MC 17 1070 15003
Bolognola MC 18 142 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
51 Km NE of Terni (111501 inhabitants)
56 Km E of Perugia (166134 inhabitants)
63 Km W of Teramo (54892 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
94 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 1.3 2017-02-17
23:05:40		 42.9268 13.0292 11 2017-02-17
23:31:02		 Sala Sismica INGV-Roma 41238861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-02-17 23:05:40 ± 0.03
Latitude 42.9268 ± 0.0018
Longitude 13.0292 ± 0.0037
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 41238861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 255
Semi-minor axis of confidence ellipse (meter) 168
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 284
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34624
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 20
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 41238861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-02-17 23:31:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2017-02-17T23:06:05.54 3.0 undecidable manual S -0.21 0
IV.T1299.EHZ. 2017-02-17T23:05:53.44 0.1 undecidable manual S 148 38.4282 50 -0.07 95
IV.LNSS.HHZ. 2017-02-17T23:05:53.06 0.1 undecidable manual S 179 35.9418 50 0.22 92
IV.T1241.EHZ. 2017-02-17T23:05:52.30 0.1 undecidable manual S 103 33.5442 50 0.09 95
IV.GUMA.HHZ. 2017-02-17T23:05:51.51 0.1 undecidable manual S 59 29.0487 50 0.51 87
IV.MURB.HHZ. 2017-02-17T23:05:50.86 3.0 positive manual P -0.01 0
IV.CING.HHZ. 2017-02-17T23:05:50.16 3.0 negative manual P -0.09 0
IV.T1218.EHZ. 2017-02-17T23:05:50.96 0.1 undecidable manual S 166 29.3484 50 -0.12 95
IV.T1214.EHZ. 2017-02-17T23:05:49.25 0.1 undecidable manual S 142 23.6541 50 -0.3 93
IV.CSP1.EHZ. 2017-02-17T23:05:49.20 0.1 undecidable manual S 38 23.1546 50 -0.23 94
IV.MMO1.EHZ. 2017-02-17T23:05:49.49 0.1 undecidable manual S 97 24.3534 50 -0.25 93
IV.T1217.EHZ. 2017-02-17T23:05:49.91 0.1 undecidable manual S 199 25.1526 50 -0.05 97
IV.EL6.EHZ. 2017-02-17T23:05:49.00 3.0 positive manual P -0.16 0
IV.ATCC.EHZ. 2017-02-17T23:05:48.80 3.0 negative manual P 0.03 0
IV.T1220.EHZ. 2017-02-17T23:05:48.80 0.1 undecidable manual S 13 20.868 50 -0.02 99
IV.T1212.EHZ. 2017-02-17T23:05:48.33 0.1 undecidable manual S 176 19.4694 119 -0.09 97
IV.T1299.EHZ. 2017-02-17T23:05:48.30 0.1 undecidable manual P 148 38.4282 50 0.2 92
IV.T1215.EHZ. 2017-02-17T23:05:48.13 0.1 undecidable manual S 223 19.0698 119 -0.16 96
IV.LNSS.HHZ. 2017-02-17T23:05:47.67 0.1 undecidable manual P 179 35.9418 50 -0.04 96
IV.SNTG.HHZ. 2017-02-17T23:05:47.78 3.0 positive manual P -0.07 0
IV.T1256.HHZ. 2017-02-17T23:05:47.85 0.1 undecidable manual S 61 18.2706 120 -0.19 96
IV.T1241.EHZ. 2017-02-17T23:05:47.32 0.1 undecidable manual P 103 33.5442 50 -0.03 96
IV.T1217.EHZ. 2017-02-17T23:05:46.06 0.1 undecidable manual P 199 25.1526 50 0.02 98
IV.NRCA.HHZ. 2017-02-17T23:05:46.29 0.1 undecidable manual S 146 12.4764 131 -0.11 98
IV.CESI.HHZ. 2017-02-17T23:05:46.66 0.1 undecidable manual S 311 13.2756 129 0.02 100
IV.FDMO.HHE. 2017-02-17T23:05:46.29 0.1 undecidable manual S 21 13.0758 129 -0.27 95
IV.T1218.EHZ. 2017-02-17T23:05:46.64 0.1 undecidable manual P 166 29.3484 50 -0.05 97
IV.GUMA.HHZ. 2017-02-17T23:05:46.89 0.1 undecidable manual P 59 29.0487 50 0.25 93
IV.T1219.EHZ. 2017-02-17T23:05:46.65 0.1 undecidable manual S 352 14.4744 127 -0.29 94
IV.MC2.EHZ. 2017-02-17T23:05:46.75 0.1 undecidable manual S 97 13.0758 129 0.18 97
IV.T1212.EHZ. 2017-02-17T23:05:45.20 0.1 undecidable manual P 176 19.4694 119 0.04 98
IV.T1215.EHZ. 2017-02-17T23:05:45.15 0.1 undecidable manual P 223 19.0698 119 0.06 98
IV.T1214.EHZ. 2017-02-17T23:05:45.77 0.1 undecidable manual P 142 23.6541 50 -0.04 98
IV.T1220.EHZ. 2017-02-17T23:05:45.32 0.1 undecidable manual P 13 20.868 50 -0.07 98
IV.CSP1.EHZ. 2017-02-17T23:05:45.69 0.1 undecidable manual P 38 23.1546 50 -0.05 98
IV.MMO1.EHZ. 2017-02-17T23:05:45.88 0.1 negative manual P 97 24.3534 50 -0.04 98
IV.T1219.EHZ. 2017-02-17T23:05:44.30 0.1 undecidable manual P 352 14.4744 127 -0.01 100
IV.T1256.HHZ. 2017-02-17T23:05:44.96 0.1 undecidable manual P 61 18.2706 120 0.02 99
IV.MC2.EHZ. 2017-02-17T23:05:44.26 0.1 undecidable manual P 97 13.0758 129 0.17 97
IV.FEMA.HNN. 2017-02-17T23:05:44.72 0.3 undecidable manual S 23 4.2957 158 0.02 76
IV.NRCA.HHZ. 2017-02-17T23:05:44.09 0.1 undecidable manual P 146 12.4764 131 0.1 98
IV.CESI.HHZ. 2017-02-17T23:05:44.32 0.1 undecidable manual P 311 13.2756 129 0.19 96
IV.FDMO.HHE. 2017-02-17T23:05:44.13 0.1 undecidable manual P 21 13.0758 129 0.05 99
IV.T1216.EHZ. 2017-02-17T23:05:44.58 0.1 undecidable manual S 192 4.0959 159 -0.11 100
IV.T1216.EHZ. 2017-02-17T23:05:43.19 0.1 undecidable manual P 192 4.0959 159 0.19 98
IV.FEMA.HNN. 2017-02-17T23:05:43.43 0.3 undecidable manual P 23 4.2957 158 0.42 70
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:1.0 0.0000363 0.3 AML other m 2017-02-17T23:05:55.32
IV.ATCC.EHE. ML:1.2 0.0000429 0.7 AML other m 2017-02-17T23:05:55.95
IV.CESI.HHE. ML:1.2 0.000177 0.54 AML other m 2017-02-17T23:05:46.98
IV.CESI.HHN. ML:1.5 0.00032450000000000003 0.1 AML other m 2017-02-17T23:05:46.94
IV.GUMA.HHE. ML:1.6 0.00020850000000000003 0.18 AML other m 2017-02-17T23:05:51.60
IV.GUMA.HHN. ML:1.3 0.00009340000000000001 0.44 AML other m 2017-02-17T23:05:52.65
IV.MURB.HHE. ML:1.4 0.000059499999999999996 0.32 AML other m 2017-02-17T23:05:59.98
IV.MURB.HHN. ML:1.3 0.000051200000000000004 0.26 AML other m 2017-02-17T23:06:01.46
IV.SNTG.HHN. ML:1.1 0.000049600000000000006 0.26 AML other m 2017-02-17T23:05:53.91
IV.SNTG.HHE. ML:1.0 0.0000402 0.26 AML other m 2017-02-17T23:05:53.95
IV.T1220.EHE. ML:1.3 0.000147 0.88 AML other m 2017-02-17T23:05:52.50
IV.T1220.EHN. ML:1.4 0.00017735 0.48 AML other m 2017-02-17T23:05:52.99
IV.T1256.HHN. ML:1.5 0.000224 0.3 AML other m 2017-02-17T23:05:48.29
IV.T1256.HHE. ML:1.1 0.00010575 0.66 AML other m 2017-02-17T23:05:48.41
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