Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 23-11-2016 and time 10:58:29 (UTC) in region 2 km SE Preci (PG)

A magnitude ML 1.9 earthquake occured in region: 2 km SE Preci (PG), on

  • 23-11-2016 10:58:29 (UTC)
  • 23-11-2016 11:58:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8690, 13.0600 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
Preci PG 2 724 724
Visso MC 7 1107 1831
Castelsantangelo sul Nera MC 8 281 2112
Norcia PG 9 4957 7069
Ussita MC 11 444 7513
Sellano PG 11 1079 8592
Cerreto di Spoleto PG 13 1075 9667
Monte Cavallo MC 15 145 9812
Cascia PG 17 3217 13029
Fiordimonte MC 19 202 13231
Vallo di Nera PG 19 364 13595
Pieve Torina MC 20 1458 15053
Bolognola MC 20 142 15195

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
58 Km W of Teramo (54892 inhabitants)
61 Km E of Perugia (166134 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
91 Km SW of Ancona (100861 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
97 Km W of Montesilvano (53738 inhabitants)
100 Km N of Guidonia Montecelio (88673 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 1.9 2016-11-23
10:58:29		 42.8687 13.0602 10 2016-11-23
11:07:16		 Sala Sismica INGV-Roma 34360981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-11-23 10:58:29 ± 0.04
Latitude 42.8687 ± 0.0027
Longitude 13.0602 ± 0.0037
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 34360981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 289
Semi-minor axis of confidence ellipse (meter) 239
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 21
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47664
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 34360981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-11-23 11:07:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LIK.EHZ.01 2016-11-23T10:58:56.96 3.0 positive manual P 2.48 0
IV.ARVD.HHZ. 2016-11-23T10:58:52.99 3.0 undecidable manual S 0.06 0
IV.FIAM.HHZ. 2016-11-23T10:58:50.99 3.0 undecidable manual S -0.17 0
IV.EL6.EHZ. 2016-11-23T10:58:47.99 3.0 undecidable manual S 52.9026 0.32 0
IV.PE3.EHZ. 2016-11-23T10:58:45.54 3.0 positive manual P -2.27 0
IV.CAMP.HHZ. 2016-11-23T10:58:44.41 0.6 undecidable manual S 142 46.62 50 -0.16 46
IV.ARRO.EHZ. 2016-11-23T10:58:42.79 0.6 undecidable manual S 217 40.1265 50 -0.04 48
IV.ASSB.HHZ. 2016-11-23T10:58:42.31 0.6 undecidable manual S 301 37.8288 50 0.07 48
IV.PP3.EHZ. 2016-11-23T10:58:41.28 3.0 negative manual P -1.49 0
IV.T1243.HHZ. 2016-11-23T10:58:41.83 0.6 undecidable manual S 121 36.9297 50 -0.16 47
IV.T1241.EHZ. 2016-11-23T10:58:40.15 0.6 undecidable manual S 92 30.2475 50 -0.05 48
IV.EL6.EHZ. 2016-11-23T10:58:39.01 3.0 positive manual P 52.9026 -0.3 0
IV.OFFI.HHZ. 2016-11-23T10:58:39.96 3.0 undecidable manual P 0.71 0
IV.ATCC.EHZ. 2016-11-23T10:58:38.86 3.0 positive manual P 0.03 0
IV.CAMP.HHZ. 2016-11-23T10:58:38.16 0.3 undecidable manual P 142 46.62 50 -0.05 71
IV.TERO.HHZ. 2016-11-23T10:58:38.82 3.0 negative manual P -0.38 0
IV.T1219.EHZ. 2016-11-23T10:58:37.45 0.6 undecidable manual S 348 21.2676 116 -0.27 47
IV.T1211.EHZ. 2016-11-23T10:58:37.57 3.0 negative manual P 0.43 0
IV.ARRO.EHZ. 2016-11-23T10:58:37.33 0.1 undecidable manual P 217 40.1265 50 0.12 94
IV.RM33.EHZ. 2016-11-23T10:58:37.22 0.3 undecidable manual P 162 41.8248 50 -0.26 68
IV.MMO1.HNZ. 2016-11-23T10:58:37.73 0.3 undecidable manual S 81 21.9669 115 -0.21 71
IV.SMA1.EHZ. 2016-11-23T10:58:37.06 0.1 undecidable manual P 140 34.6431 50 0.69 81
IV.T1243.HHZ. 2016-11-23T10:58:36.51 0.3 positive manual P 121 36.9297 50 -0.21 70
IV.T1215.EHZ. 2016-11-23T10:58:36.33 0.3 undecidable manual S 245 17.2716 121 -0.17 72
IV.ASSB.HHZ. 2016-11-23T10:58:36.79 0.1 undecidable manual P 301 37.8288 50 -0.07 95
IV.FDMO.HHZ. 2016-11-23T10:58:36.90 0.3 undecidable manual S 7 18.7701 119 -0.05 74
IV.CESI.HHZ. 2016-11-23T10:58:36.91 0.6 undecidable manual S 320 19.6692 118 -0.33 47
IV.LNSS.HHZ. 2016-11-23T10:58:35.53 0.1 undecidable manual P 183 29.5482 50 -0.05 97
IV.T1241.EHZ. 2016-11-23T10:58:35.63 0.1 positive manual P 92 30.2475 50 -0.05 97
IV.FEMA.HNZ. 2016-11-23T10:58:34.76 0.6 undecidable manual S 355 10.3785 135 0.15 49
IV.CESI.HHZ. 2016-11-23T10:58:34.09 0.1 undecidable manual P 320 19.6692 118 0.12 97
IV.T1218.EHZ. 2016-11-23T10:58:34.33 0.3 undecidable manual P 168 22.4553 115 -0.15 72
IV.T1219.EHZ. 2016-11-23T10:58:34.20 0.1 negative manual P 348 21.2676 116 -0.05 98
IV.T1256.HHZ. 2016-11-23T10:58:34.20 3.0 negative manual P -0.01 0
IV.T1245.HNZ. 2016-11-23T10:58:34.73 0.6 undecidable manual S 97 10.4784 135 0.1 50
IV.MMO1.HNZ. 2016-11-23T10:58:34.34 0.1 undecidable manual P 81 21.9669 115 -0.04 98
IV.T1216.EHZ. 2016-11-23T10:58:33.25 0.3 undecidable manual S 306 4.0959 158 -0.14 75
IV.NRCA.HNZ. 2016-11-23T10:58:33.55 0.1 undecidable manual S 131 5.8941 150 -0.1 100
IV.T1215.EHZ. 2016-11-23T10:58:33.58 0.1 undecidable manual P 245 17.2716 121 0.03 99
IV.FDMO.HHZ. 2016-11-23T10:58:33.90 0.3 undecidable manual P 7 18.7701 119 0.09 73
IV.T1245.HNZ. 2016-11-23T10:58:32.74 0.6 undecidable manual P 97 10.4784 135 0.27 48
IV.FEMA.HNZ. 2016-11-23T10:58:32.74 0.3 negative manual P 355 10.3785 135 0.28 72
IV.NRCA.HNZ. 2016-11-23T10:58:32.06 0.1 negative manual P 131 5.8941 150 0.16 99
IV.T1216.EHZ. 2016-11-23T10:58:31.94 0.1 undecidable manual P 306 4.0959 158 0.19 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:1.6 0.000155 0.66 AML other m 2016-11-23T10:58:42.46
IV.ASSB.HHN. ML:1.7 0.00016949999999999997 0.72 AML other m 2016-11-23T10:58:43.01
IV.CESI.HHN. ML:2.1 0.001027 0.34 AML other m 2016-11-23T10:58:37.64
IV.CESI.HHE. ML:1.8 0.0005455 0.4 AML other m 2016-11-23T10:58:37.86
IV.LNSS.HHN. ML:1.8 0.00033800000000000003 0.44 AML other m 2016-11-23T10:58:40.55
IV.LNSS.HHE. ML:1.5 0.00016700000000000002 0.16 AML other m 2016-11-23T10:58:40.66
IV.NRCA.HHN. ML:2.6 0.006815 0.1 AML other m 2016-11-23T10:58:33.56
IV.NRCA.HNN. ML:2.6 0.00624 0.08 AML other m 2016-11-23T10:58:33.61
IV.NRCA.HNE. ML:2.3 0.0029050000000000005 0.4 AML other m 2016-11-23T10:58:33.59
IV.NRCA.HHE. ML:2.4 0.003565 0.08 AML other m 2016-11-23T10:58:33.79
IV.RM33.EHE. ML:1.3 0.0000669 0.12 AML other m 2016-11-23T10:58:45.36
IV.RM33.EHN. ML:1.4 0.0000823 0.82 AML other m 2016-11-23T10:58:44.92
IV.SMA1.EHE. ML:1.5 0.0001235 0.14 AML other m 2016-11-23T10:58:42.83
IV.SMA1.EHN. ML:1.4 0.0001142 0.3 AML other m 2016-11-23T10:58:44.50
IV.T1215.HNE. ML:1.6 0.0003485 0.52 AML other m 2016-11-23T10:58:36.94
IV.T1215.HNN. ML:1.6 0.000352 0.16 AML other m 2016-11-23T10:58:36.95
IV.T1216.EHN. ML:2.4 0.00389 0.22 AML other m 2016-11-23T10:58:33.51
IV.T1216.EHE. ML:2.4 0.0038695 0.26 AML other m 2016-11-23T10:58:33.67
IV.T1218.HNN. ML:1.7 0.0003485 0.18 AML other m 2016-11-23T10:58:38.50
IV.T1218.HNE. ML:1.6 0.00027400000000000005 0.1 AML other m 2016-11-23T10:58:39.66
IV.T1219.EHN. ML:1.8 0.0004385 0.62 AML other m 2016-11-23T10:58:37.87
IV.T1219.EHE. ML:1.8 0.0003945 0.1 AML other m 2016-11-23T10:58:37.90
IV.T1241.EHN. ML:1.9 0.0003485 0.32 AML other m 2016-11-23T10:58:40.28
IV.T1241.EHE. ML:1.9 0.0003915 0.22 AML other m 2016-11-23T10:58:40.33
IV.T1245.HNE. ML:2.4 0.00341 0.54 AML other m 2016-11-23T10:58:35.41
IV.T1245.HHN. ML:2.5 0.0038149999999999994 0.32 AML other m 2016-11-23T10:58:35.43
IV.T1245.HNN. ML:2.5 0.0037800000000000004 0.3 AML other m 2016-11-23T10:58:35.43
IV.T1245.HHE. ML:2.4 0.00313 0.14 AML other m 2016-11-23T10:58:35.60
IV.T1256.HHN. ML:1.7 0.0003725 1.3 AML other m 2016-11-23T10:58:37.93
IV.T1256.HHE. ML:1.9 0.0005520000000000001 1 AML other m 2016-11-23T10:58:37.65
IV.TERO.HHN. ML:2.2 0.0004375 0.06 AML other m 2016-11-23T10:59:04.09
IV.TERO.HHE. ML:2.0 0.000264 0.06 AML other m 2016-11-23T10:59:04.15
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