Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 19-01-2017 and time 00:21:59 (UTC) in region 2 km W Visso (MC)

A magnitude ML 1.6 earthquake occured in region: 2 km W Visso (MC), on

  • 19-01-2017 00:21:59 (UTC)
  • 19-01-2017 01:21:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9350, 13.0640 at 10 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 2 1107 1107
Ussita MC 6 444 1551
Preci PG 6 724 2275
Monte Cavallo MC 8 145 2420
Castelsantangelo sul Nera MC 9 281 2701
Fiordimonte MC 12 202 2903
Sellano PG 12 1079 3982
Pieve Torina MC 12 1458 5440
Fiastra MC 14 559 5999
Acquacanina MC 14 121 6120
Pievebovigliana MC 14 866 6986
Bolognola MC 15 142 7128
Norcia PG 16 4957 12085
Muccia MC 17 915 13000
Cerreto di Spoleto PG 18 1075 14075
Serravalle di Chienti MC 18 1070 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
54 Km NE of Terni (111501 inhabitants)
58 Km E of Perugia (166134 inhabitants)
61 Km NW of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
97 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 1.6 2017-01-19
00:21:59		 42.9347 13.0643 10 2017-01-19
10:18:16		 Sala Sismica INGV-Roma 39300711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-19 00:21:59 ± 0.06
Latitude 42.9347 ± 0.0027
Longitude 13.0643 ± 0.0061
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 39300711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 514
Semi-minor axis of confidence ellipse (meter) 285
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
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) 0.02968
Epicentral distance of station farthest from the epicenter (degree) 0.47214
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 39300711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-19 10:18:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHE. 2017-01-19T00:22:14.18 0.1 undecidable manual S 4 43.9227 50 0.37 87
IV.SMA1.EHE. 2017-01-19T00:22:13.26 0.1 undecidable manual S 147 40.3263 50 0.4 87
IV.LNSS.HHN. 2017-01-19T00:22:12.03 0.1 undecidable manual S 183 36.8298 50 0.09 93
IV.ASSB.HHZ. 2017-01-19T00:22:11.29 0.1 undecidable manual S 290 35.0427 50 -0.16 92
IV.SNTG.HHZ. 2017-01-19T00:22:11.82 0.1 undecidable manual S 344 36.9297 50 -0.14 92
IV.T1218.EHE. 2017-01-19T00:22:09.50 0.6 undecidable manual S 172 29.6481 50 -0.52 43
IV.CING.HHZ. 2017-01-19T00:22:08.91 0.1 undecidable manual P 12 50.0166 50 0.23 88
IV.CAMP.HHE. 2017-01-19T00:22:08.66 0.1 undecidable manual P 147 52.4031 50 -0.38 85
IV.RM33.EHE. 2017-01-19T00:22:08.05 0.1 undecidable manual P 165 48.8178 50 -0.43 85
IV.SMA1.EHE. 2017-01-19T00:22:07.35 0.1 undecidable manual P 147 40.3263 50 0.17 91
IV.T1220.EHZ. 2017-01-19T00:22:07.16 0.3 undecidable manual S 6 19.5693 117 0.11 72
IV.EL6.EHE. 2017-01-19T00:22:07.68 0.1 undecidable manual P 4 43.9227 50 -0.05 93
IV.LNSS.HHN. 2017-01-19T00:22:07.10 0.1 undecidable manual P 183 36.8298 50 0.45 86
IV.CSP1.EHZ. 2017-01-19T00:22:07.28 0.1 undecidable manual S 33 20.868 116 -0.16 94
IV.SNTG.HHZ. 2017-01-19T00:22:06.41 0.1 undecidable manual P 344 36.9297 50 -0.25 90
IV.ASSB.HHZ. 2017-01-19T00:22:06.34 0.1 undecidable manual P 290 35.0427 50 -0.02 95
IV.CESI.HHZ. 2017-01-19T00:22:05.88 0.3 undecidable manual S 301 15.1737 124 0.16 72
IV.T1218.EHE. 2017-01-19T00:22:05.39 0.1 undecidable manual P 172 29.6481 50 -0.15 93
IV.FDMO.HHZ. 2017-01-19T00:22:04.52 0.1 undecidable manual S 9 11.4774 131 -0.18 96
IV.CSP1.EHZ. 2017-01-19T00:22:04.01 0.3 positive manual P 33 20.868 116 -0.04 73
IV.CESI.HHZ. 2017-01-19T00:22:03.16 0.1 negative manual P 301 15.1737 124 0.1 96
IV.T1220.EHZ. 2017-01-19T00:22:03.80 0.3 positive manual P 6 19.5693 117 -0.02 73
IV.FEMA.HNN. 2017-01-19T00:22:03.06 0.1 undecidable manual S 339 3.2967 162 -0.02 100
IV.FDMO.HHZ. 2017-01-19T00:22:02.52 0.1 negative manual P 9 11.4774 131 0.05 98
IV.FEMA.HNN. 2017-01-19T00:22:01.70 0.1 undecidable manual P 339 3.2967 162 0.17 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.5 0.0003055 1.78 AML other m 2017-01-19T00:22:05.07
IV.CESI.HHN. ML:1.7 0.0004845 1.78 AML other m 2017-01-19T00:22:05.97
IV.CSP1.EHE. ML:1.4 0.00020120850199999997 0.32 AML other m 2017-01-19T00:22:07.99
IV.CSP1.EHN. ML:1.3 0.00015176365 0.16 AML other m 2017-01-19T00:22:08.58
IV.FDMO.HHE. ML:1.4 0.00028399999999999996 1.26 AML other m 2017-01-19T00:22:04.09
IV.FDMO.HHN. ML:1.5 0.00034950000000000004 1.1 AML other m 2017-01-19T00:22:04.68
IV.T1220.HNE. ML:1.9 0.0006125000000000001 0.4 AML other m 2017-01-19T00:22:10.17
IV.T1220.EHE. ML:1.9 0.0005685 0.38 AML other m 2017-01-19T00:22:10.18
IV.T1220.EHN. ML:1.7 0.0003885 1.58 AML other m 2017-01-19T00:22:08.12
IV.T1220.HNN. ML:1.7 0.000345 0.42 AML other m 2017-01-19T00:22:09.78
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