Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 24-11-2016 and time 12:11:39 (Italy) in region 4 km S Norcia (PG)

A magnitude ML 1.4 earthquake occured in region: 4 km S Norcia (PG), on

  • 24-11-2016 11:11:39 (UTC)
  • 24-11-2016 12:11:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7580, 13.0940 at 19 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
Norcia PG 4 4957 4957
Cascia PG 8 3217 8174
Poggiodomo PG 14 117 8291
Preci PG 14 724 9015
Accumoli RI 14 667 9682
Castelsantangelo sul Nera MC 16 281 9963
Cerreto di Spoleto PG 16 1075 11038
Cittareale RI 17 482 11520
Monteleone di Spoleto PG 17 599 12119
Arquata del Tronto AP 17 1178 13297
Vallo di Nera PG 19 364 13661
Visso MC 19 1107 14768
Sellano PG 20 1079 15847

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km SE of Foligno (57155 inhabitants)
43 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
69 Km SE of Perugia (166134 inhabitants)
89 Km E of Viterbo (67173 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
92 Km N of Tivoli (56533 inhabitants)
97 Km W of Pescara (121014 inhabitants)
99 Km W 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 1.4 2016-11-24
11:11:39		 42.7583 13.094 19 2016-11-24
11:19:28		 Sala Sismica INGV-Roma 34472161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-11-24 11:11:39 ± 0.38
Latitude 42.7583 ± 0.0162
Longitude 13.0940 ± 0.0196
Depth (km) 19 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 34472161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1847
Semi-minor axis of confidence ellipse (meter) 750
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 171
Circular confidence region, given by single value of horizontal uncertainty (meter) 1850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 13
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) 0.39840
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 2
Type of magnitude ML
Reference to an origin 34472161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-11-24 11:19:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GROG.HHZ. 2016-11-24T11:12:22.40 3.0 undecidable manual Pg 2.46 0
IV.RMP.HHZ. 2016-11-24T11:11:56.85 3.0 negative manual P -1.98 0
IV.LRP.HHZ. 2016-11-24T11:11:55.97 3.0 negative manual P -6.33 0
IV.MMO1.EHZ. 2016-11-24T11:11:49.12 0.6 undecidable manual S 50 24.5532 118 0.36 49
IV.T1215.EHZ. 2016-11-24T11:11:47.89 0.6 undecidable manual S 285 18.9699 127 0.39 47
IV.TERO.HHZ. 2016-11-24T11:11:47.69 0.3 undecidable manual P 110 44.2224 104 0.13 73
IV.T1256.HHZ. 2016-11-24T11:11:46.92 3.0 undecidable manual P 1.18 0
IV.T1245.HHZ. 2016-11-24T11:11:46.30 0.6 undecidable manual S 35 13.2756 139 -0.09 49
IV.T1243.HHZ. 2016-11-24T11:11:45.48 0.1 undecidable manual P 103 29.6481 113 0.05 100
IV.MMO1.EHZ. 2016-11-24T11:11:45.23 0.6 undecidable manual P 50 24.5532 118 0.51 46
IV.CSP1.EHZ. 2016-11-24T11:11:45.93 0.3 undecidable manual P 14 38.0286 106 -0.72 59
IV.T1219.EHZ. 2016-11-24T11:11:45.35 0.1 positive manual P 348 33.8439 109 -0.67 81
IV.T1241.EHZ. 2016-11-24T11:11:45.81 0.6 negative manual P 68 29.5482 113 0.4 47
IV.T1215.EHZ. 2016-11-24T11:11:44.58 0.1 undecidable manual P 285 18.9699 127 0.59 90
IV.T1216.EHZ. 2016-11-24T11:11:44.29 3.0 undecidable manual P 1.55 0
IV.T1218.EHZ. 2016-11-24T11:11:44.98 0.3 undecidable manual S 170 9.9789 147 -0.87 59
IV.T1245.HHZ. 2016-11-24T11:11:43.75 0.6 undecidable manual P 35 13.2756 139 0.4 48
IV.T1218.EHZ. 2016-11-24T11:11:42.90 0.1 undecidable manual P 170 9.9789 147 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.6 0.00014900000000000002 0.46 AML other m 2016-11-24T11:11:45.11
IV.FDMO.HHN. ML:1.7 0.000222 0.2 AML other m 2016-11-24T11:11:45.13
IV.T1245.HHN. ML:1.1 0.0000901 0.3 AML other m 2016-11-24T11:11:47.36
IV.T1245.HHE. ML:1.1 0.0000854 0.16 AML other m 2016-11-24T11:11:47.50
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