Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 02-11-2016 and time 21:00:49 (UTC) in region 2 km W Norcia (PG)

A magnitude ML 1.5 earthquake occured in region: 2 km W Norcia (PG), on

  • 02-11-2016 21:00:49 (UTC)
  • 02-11-2016 22:00:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7960, 13.0650 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.

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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 2 4957 4957
Cascia PG 10 3217 8174
Preci PG 10 724 8898
Cerreto di Spoleto PG 12 1075 9973
Castelsantangelo sul Nera MC 13 281 10254
Poggiodomo PG 14 117 10371
Visso MC 15 1107 11478
Sellano PG 15 1079 12557
Vallo di Nera PG 17 364 12921
Ussita MC 18 444 13365
Monteleone di Spoleto PG 18 599 13964
Accumoli RI 19 667 14631
Arquata del Tronto AP 19 1178 15809
Sant'Anatolia di Narco PG 20 564 16373

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km SE of Foligno (57155 inhabitants)
43 Km NE of Terni (111501 inhabitants)
55 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
65 Km SE of Perugia (166134 inhabitants)
89 Km E of Viterbo (67173 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
95 Km N of Tivoli (56533 inhabitants)
99 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 		ML 1.5 2016-11-02
21:00:49		 42.7958 13.0648 9 2016-11-02
21:10:51		 Sala Sismica INGV-Roma 31682871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-11-02 21:00:49 ± 0.4
Latitude 42.7958 ± 0.0324
Longitude 13.0648 ± 0.0331
Depth (km) 9 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 31682871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3286
Semi-minor axis of confidence ellipse (meter) 2866
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 337
Circular confidence region, given by single value of horizontal uncertainty (meter) 3290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.78
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43167
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 31682871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-11-02 21:10:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CPGN.EHZ. 2016-11-02T21:01:19.99 3.0 undecidable manual S -0.28 0
IV.RM33.EHZ. 2016-11-02T21:01:01.45 0.6 undecidable manual S 159 34.0437 50 0.04 49
IV.RM33.EHZ. 2016-11-02T21:00:57.89 0.6 positive manual P 159 34.0437 50 1.6 26
IV.TERO.HHZ. 2016-11-02T21:00:57.63 0.6 negative manual P 113 47.9187 50 -0.8 39
IV.LNSS.HHZ. 2016-11-02T21:00:55.58 1.0 undecidable manual P 185 21.4674 112 1.65 13
IV.T1243.HHZ. 2016-11-02T21:00:55.15 0.6 positive manual P 109 33.1446 50 -1 36
IV.T1204.EHZ. 2016-11-02T21:00:54.25 0.1 undecidable manual P 123 24.4533 109 -0.23 97
IV.T1215.EHZ. 2016-11-02T21:00:54.66 0.1 undecidable manual S 272 15.9729 118 -0.93 78
IV.T1216.EHZ. 2016-11-02T21:00:53.99 0.1 undecidable manual S 341 11.1777 127 -0.18 100
IV.T1215.EHZ. 2016-11-02T21:00:53.51 0.1 undecidable manual P 272 15.9729 118 0.58 90
IV.T1216.EHZ. 2016-11-02T21:00:53.91 0.3 undecidable manual P 341 11.1777 127 1.79 36
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.3 0.0001525 0.74 AML other m 2016-11-02T21:01:18.02
IV.LNSS.HHN. ML:1.7 0.0003445 0.42 AML other m 2016-11-02T21:01:18.46
IV.SNTG.HHE. ML:1.0 0.0000249 1.58 AML other m 2016-11-02T21:01:22.21
IV.SNTG.HHN. ML:1.0 0.000026349999999999997 1.2 AML other m 2016-11-02T21:01:29.01
IV.T1256.HHE. ML:1.5 0.00018759999999999998 1.28 AML other m 2016-11-02T21:01:17.15
IV.T1256.HHN. ML:1.7 0.000306 0.16 AML other m 2016-11-02T21:01:16.99
IV.TERO.HHE. ML:1.5 0.00009325 0.08 AML other m 2016-11-02T21:01:21.30
IV.TERO.HHN. ML:1.5 0.0000942 0.1 AML other m 2016-11-02T21:01:48.45
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