Earthquake with magnitude of ML 1.6 on date 17-11-2016 and time 21:00:54 (UTC) in region 2 km E Norcia (PG)

A magnitude ML 1.6 earthquake occured in region: 2 km E Norcia (PG), on

  • 17-11-2016 21:00:54 (UTC)
  • 17-11-2016 22:00:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7900, 13.1220 at 12 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Norcia PG 2 4957 4957
Cascia PG 12 3217 8174
Castelsantangelo sul Nera MC 12 281 8455
Preci PG 12 724 9179
Arquata del Tronto AP 15 1178 10357
Accumoli RI 15 667 11024
Visso MC 16 1107 12131
Cerreto di Spoleto PG 17 1075 13206
Ussita MC 17 444 13650
Poggiodomo PG 18 117 13767
Montegallo AP 18 523 14290
Cittareale RI 19 482 14772
Sellano PG 19 1079 15851

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
69 Km SE of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
96 Km W of Pescara (121014 inhabitants)
98 Km SW of Ancona (100861 inhabitants)
99 Km NW of Chieti (51815 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 2016-11-17
21:00:54
42.7898 13.122 12 2016-11-17
21:12:01
Sala Sismica INGV-Roma 33709591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-11-17 21:00:54 ± 0.07
Latitude 42.7898 ± 0.0027
Longitude 13.1220 ± 0.0086
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 33709591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 685
Semi-minor axis of confidence ellipse (meter) 199
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 265
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39120
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 33709591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-11-17 21:12:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2016-11-17T21:01:06.05 0.3 undecidable manual S 11 34.1436 93 0.27 68
IV.T1219.EHZ. 2016-11-17T21:01:04.81 0.3 undecidable manual S 342 31.0467 94 -0.12 71
IV.MMO1.EHZ. 2016-11-17T21:01:02.22 0.3 undecidable manual S 54 20.6682 98 0.05 74
IV.ASSB.HHZ. 2016-11-17T21:01:02.90 3.0 undecidable manual P 1.09 0
IV.TERO.HHZ. 2016-11-17T21:01:02.17 0.3 undecidable manual P 115 43.4232 92 -0.13 69
IV.T1218.EHZ. 2016-11-17T21:01:00.40 0.3 undecidable manual S 182 13.2756 114 0.11 73
IV.CSP1.EHZ. 2016-11-17T21:01:00.87 0.1 undecidable manual P 11 34.1436 93 -0.01 96
IV.CESI.HHZ. 2016-11-17T21:01:00.99 3.0 undecidable manual S -3.44 0
IV.T1219.EHZ. 2016-11-17T21:01:00.38 1.0 negative manual P 342 31.0467 94 -0.01 24
IV.T1245.HHZ. 2016-11-17T21:00:59.48 0.3 undecidable manual S 36 9.1797 131 0.12 74
IV.T1243.HHZ. 2016-11-17T21:00:59.85 1.0 undecidable manual P 111 28.5492 94 -0.16 23
IV.T1256.HHZ. 2016-11-17T21:00:59.55 0.6 undecidable manual P 19 25.4523 95 0.01 49
IV.SMA1.EHZ. 2016-11-17T21:00:59.37 0.1 undecidable manual P 135 24.753 95 -0.07 96
IV.NRCA.HHZ. 2016-11-17T21:00:58.43 0.1 undecidable manual S 353 4.8951 152 -0.22 97
IV.MMO1.EHZ. 2016-11-17T21:00:58.78 0.1 undecidable manual P 54 20.6682 98 -0.01 98
IV.T1218.EHZ. 2016-11-17T21:00:57.82 1.0 undecidable manual P 182 13.2756 114 0.11 24
IV.T1245.HHZ. 2016-11-17T21:00:57.32 0.6 positive manual P 36 9.1797 131 0.15 49
IV.FDMO.HHZ. 2016-11-17T21:00:57.55 3.0 negative manual P -1.69 0
IV.NRCA.HHZ. 2016-11-17T21:00:56.81 0.1 undecidable manual P 353 4.8951 152 0.05 100
IV.T1215.EHZ. 2016-11-17T21:00:56.23 3.0 positive manual P -0.54 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:1.7 0.0007735 0.16 AML other m 2016-11-17T21:00:58.46
IV.NRCA.HHN. ML:1.8 0.000841 0.16 AML other m 2016-11-17T21:00:58.46
IV.NRCA.HNE. ML:1.5 0.000413 0.48 AML other m 2016-11-17T21:00:58.51
IV.NRCA.HHE. ML:1.5 0.0004425 0.48 AML other m 2016-11-17T21:00:58.51
IV.T1245.HHN. ML:1.4 0.0003015 0.46 AML other m 2016-11-17T21:00:59.98
IV.T1245.HHE. ML:1.4 0.0003185 0.7 AML other m 2016-11-17T21:01:00.50
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download