Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 1.4 on date 07-09-2016 and time 22:19:49 (Italy) in region 3 km E Norcia (PG)

A magnitude Md 1.4 earthquake occured in region: 3 km E Norcia (PG), on

  • 07-09-2016 20:19:49 (UTC)
  • 07-09-2016 22:19:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7830, 13.1270 at 3 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 3 4957 4957
Cascia PG 12 3217 8174
Castelsantangelo sul Nera MC 13 281 8455
Preci PG 13 724 9179
Accumoli RI 14 667 9846
Arquata del Tronto AP 14 1178 11024
Visso MC 17 1107 12131
Poggiodomo PG 18 117 12248
Cerreto di Spoleto PG 18 1075 13323
Ussita MC 18 444 13767
Montegallo AP 18 523 14290
Cittareale RI 19 482 14772

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
49 Km W of Teramo (54892 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
70 Km SE of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km N of Tivoli (56533 inhabitants)
96 Km W of Pescara (121014 inhabitants)
98 Km W of Chieti (51815 inhabitants)
98 Km SW of Ancona (100861 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 		Md 1.4 2016-09-07
20:19:49		 42.7832 13.1268 3 2016-09-07
20:29:25		 Sala Sismica INGV-Roma 28502461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-09-07 20:19:49 ± 0.24
Latitude 42.7832 ± 0.0054
Longitude 13.1268 ± 0.0086
Depth (km) 3 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 28502461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 717
Semi-minor axis of confidence ellipse (meter) 368
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 246
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19066
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 8
Magnitude information

Md:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude Md
Reference to an origin 28502461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-09-07 20:29:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.HHZ. 2016-09-07T20:19:57.44 0.3 undecidable manual S 199 21.1677 98 0.61 66
IV.T1215.EHZ. 2016-09-07T20:19:57.11 0.3 undecidable manual S 276 21.1677 98 0.31 72
IV.T1204.EHZ. 2016-09-07T20:19:56.50 0.3 undecidable manual S 127 19.4694 99 0.26 73
IV.CSP1.EHZ. 2016-09-07T20:19:55.56 3.0 negative manual P 0.31 0
IV.MC2.EHZ. 2016-09-07T20:19:55.18 0.3 undecidable manual S 20 15.0738 101 0.44 70
IV.T1216.EHZ. 2016-09-07T20:19:55.35 0.3 undecidable manual S 324 14.7741 102 0.71 64
IV.T1215.EHZ. 2016-09-07T20:19:53.27 0.1 undecidable manual P 276 21.1677 98 -0.4 94
IV.T1243.HHZ. 2016-09-07T20:19:53.61 3.0 positive manual P -0.21 0
IV.T1202.EHZ. 2016-09-07T20:19:53.97 0.3 undecidable manual S 138 11.877 104 0.31 73
IV.T1204.EHZ. 2016-09-07T20:19:53.07 0.6 positive manual P 127 19.4694 99 -0.28 48
IV.LNSS.HHZ. 2016-09-07T20:19:53.29 0.1 undecidable manual P 199 21.1677 98 -0.4 94
IV.T1217.EHZ. 2016-09-07T20:19:52.76 0.1 undecidable manual P 244 17.7711 100 -0.25 97
IV.MC2.EHZ. 2016-09-07T20:19:52.27 0.1 undecidable manual P 20 15.0738 101 -0.2 99
IV.T1216.EHZ. 2016-09-07T20:19:52.71 0.1 undecidable manual P 324 14.7741 102 0.29 97
IV.MMO1.EHZ. 2016-09-07T20:19:51.52 3.0 positive manual P -0.57 0
IV.NRCA.HHZ. 2016-09-07T20:19:51.36 0.1 undecidable manual S 350 5.6943 118 -0.27 99
IV.T1202.EHZ. 2016-09-07T20:19:51.69 0.1 undecidable manual P 138 11.877 104 -0.17 100
IV.NRCA.HHZ. 2016-09-07T20:19:50.35 0.1 positive manual P 350 5.6943 118 -0.33 98
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
Waveforms Seismic signals in miniseed + resp format Download