Earthquake with magnitude of ML 1.1 on date 23-10-2016 and time 06:19:50 (UTC) in region 5 km NE Norcia (PG)

A magnitude ML 1.1 earthquake occured in region: 5 km NE Norcia (PG), on

  • 23-10-2016 06:19:50 (UTC)
  • 23-10-2016 08:19:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8160, 13.1420 at 8 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 5 4957 4957
Castelsantangelo sul Nera MC 9 281 5238
Preci PG 11 724 5962
Visso MC 14 1107 7069
Arquata del Tronto AP 14 1178 8247
Ussita MC 14 444 8691
Cascia PG 15 3217 11908
Montegallo AP 16 523 12431
Accumoli RI 16 667 13098
Montemonaco AP 18 604 13702
Cerreto di Spoleto PG 18 1075 14777
Sellano PG 19 1079 15856

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
49 Km W of Teramo (54892 inhabitants)
49 Km NE of Terni (111501 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
96 Km W of Pescara (121014 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km NW of Chieti (51815 inhabitants)
99 Km N of Tivoli (56533 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 1.1 2016-10-23
06:19:50
42.8165 13.1422 8 2016-10-23
06:28:40
Sala Sismica INGV-Roma 30471411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-23 06:19:50 ± 0.34
Latitude 42.8165 ± 0.0099
Longitude 13.1422 ± 0.0123
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 30471411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1159
Semi-minor axis of confidence ellipse (meter) 458
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 324
Circular confidence region, given by single value of horizontal uncertainty (meter) 1160.0
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 38
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 4.31674
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 30471411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-23 06:28:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EUCT.HNZ. 2016-10-23T06:21:27.99 3.0 undecidable manual Sg 8.04 0
IV.ORZI.HHZ. 2016-10-23T06:21:23.99 3.0 undecidable manual Sg 6.49 0
IV.TDS.HHZ. 2016-10-23T06:21:21.99 3.0 undecidable manual Sn 16.25 0
IV.TEOL.HHZ. 2016-10-23T06:21:15.99 3.0 undecidable manual Sg 6.05 0
AC.VLO.HHZ. 2016-10-23T06:20:53.18 3.0 undecidable manual Pn 8.29 0
IV.CLTA.HHZ. 2016-10-23T06:20:52.90 3.0 undecidable manual Pn 22.049999 0
MN.PDG.HHZ. 2016-10-23T06:20:51.82 3.0 positive manual Pn 10.65 0
CR.STON.BHZ. 2016-10-23T06:20:36.88 3.0 undecidable manual Pn 479.1537 9.32 0
GU.CARD.HHZ. 2016-10-23T06:20:43.99 3.0 undecidable manual Sg -2.06 0
GU.ROTM.HHZ. 2016-10-23T06:20:34.84 3.0 negative manual Pn 6.95 0
IV.FRON.EHZ. 2016-10-23T06:20:30.99 3.0 undecidable manual Sg 0.54 0
IV.SARZ.HHZ. 2016-10-23T06:20:25.34 3.0 undecidable manual Pn 0.51 0
IV.ASSB.HHZ. 2016-10-23T06:20:21.99 3.0 undecidable manual Sg -0.06 0
IV.MAON.HHZ. 2016-10-23T06:20:11.99 3.0 undecidable manual Sn 132.7671 -4.95 0
IV.ACER.HHZ. 2016-10-23T06:20:16.99 3.0 negative manual Pn 6.77 0
IV.ARRO.EHZ. 2016-10-23T06:20:15.99 3.0 undecidable manual Sg 0.11 0
IV.GIUL.HHZ. 2016-10-23T06:20:15.99 3.0 undecidable manual Sn 4.37 0
IV.CSP1.EHZ. 2016-10-23T06:20:02.22 0.1 undecidable manual S 9 30.9468 104 0.54 87
IV.FDMO.HHZ. 2016-10-23T06:19:59.99 0.1 undecidable manual S 350 24.8529 108 0.36 92
IV.LAV9.HNZ. 2016-10-23T06:19:58.86 3.0 positive manual Pg 11.56 0
IV.T1215.EHZ. 2016-10-23T06:19:58.89 0.1 undecidable manual S 266 22.3554 109 0.08 99
IV.CSP1.EHZ. 2016-10-23T06:19:56.32 0.3 undecidable manual P 9 30.9468 104 -0.68 62
IV.FDMO.HHZ. 2016-10-23T06:19:55.18 0.3 undecidable manual P 350 24.8529 108 -0.63 64
IV.T1216.EHZ. 2016-10-23T06:19:55.73 0.1 undecidable manual S 309 12.9759 121 -0.13 99
IV.T1215.EHZ. 2016-10-23T06:19:55.35 0.3 undecidable manual P 266 22.3554 109 0.01 75
XO.AM05.EHZ. 2016-10-23T06:19:55.08 3.0 undecidable manual P -1.28 0
IV.MMO1.EHZ. 2016-10-23T06:19:54.61 3.0 negative manual Pn -1.01 0
IV.T1245.HHZ. 2016-10-23T06:19:54.45 0.1 undecidable manual S 40 5.7942 144 0.46 94
IV.MC2.EHZ. 2016-10-23T06:19:54.45 0.1 undecidable manual S 20 11.1777 125 -0.9 78
IV.T1216.EHZ. 2016-10-23T06:19:54.00 0.3 undecidable manual P 309 12.9759 121 0.37 71
IV.MC2.EHZ. 2016-10-23T06:19:53.20 0.1 undecidable manual P 20 11.1777 125 -0.14 99
IV.NRCA.HHZ. 2016-10-23T06:19:53.20 0.1 undecidable manual S 310 2.997 159 -0.31 97
IV.T1202.EHZ. 2016-10-23T06:19:53.74 0.6 undecidable manual P 152 14.2746 119 -0.11 50
IV.NRCA.HHZ. 2016-10-23T06:19:52.45 0.1 undecidable manual P 310 2.997 159 0.17 100
IV.T1245.HHZ. 2016-10-23T06:19:52.97 0.1 undecidable manual P 40 5.7942 144 0.42 94
IV.SRES.HHZ. 2016-10-23T06:19:50.96 3.0 negative manual P 2.14 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1215.EHE. ML:1.2 0.00011499999999999999 1.58 AML other m 2016-10-23T06:20:01.24
IV.T1215.EHN. ML:1.1 0.00007850000000000001 1.58 AML other m 2016-10-23T06:20:54.05
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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