Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 30-10-2016 and time 21:37:01 (Italy) in region 5 km W Norcia (PG)

A magnitude ML 2.3 earthquake occured in region: 5 km W Norcia (PG), on

  • 30-10-2016 20:37:01 (UTC)
  • 30-10-2016 21:37:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8080, 13.0300 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 5 4957 4957
Preci PG 8 724 5681
Cerreto di Spoleto PG 9 1075 6756
Cascia PG 10 3217 9973
Sellano PG 12 1079 11052
Poggiodomo PG 13 117 11169
Castelsantangelo sul Nera MC 14 281 11450
Vallo di Nera PG 14 364 11814
Visso MC 15 1107 12921
Ussita MC 18 444 13365
Sant'Anatolia di Narco PG 18 564 13929
Monteleone di Spoleto PG 19 599 14528
Scheggino PG 19 461 14989

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km SE of Foligno (57155 inhabitants)
42 Km NE of Terni (111501 inhabitants)
58 Km W of Teramo (54892 inhabitants)
59 Km NW of L'Aquila (69753 inhabitants)
62 Km SE of Perugia (166134 inhabitants)
87 Km NE of Viterbo (67173 inhabitants)
93 Km N of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
97 Km W of Montesilvano (53738 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
Bulletin
Rev1000 		ML 2.3 2016-10-30
20:37:01		 42.808 13.0305 10 2019-02-12
14:03:22		 Bollettino Sismico Italiano INGV 47017211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-30 20:37:01 ± 0.05
Latitude 42.8080 ± 0.0027
Longitude 13.0305 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 47017211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 303
Semi-minor axis of confidence ellipse (meter) 270
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 296
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 44
Number of associated phases, regardless of their use for origin computation 54
Number of defining phases 54
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.08274
Epicentral distance of station farthest from the epicenter (degree) 0.79770
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 33
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 47017211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-06-22 07:43:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T0110.HHZ. 2016-10-30T20:37:17.13 0.3 undecidable manual P 136 88.5447 50 0.33 62
IV.T1247.HHZ. 2016-10-30T20:37:16.93 0.6 undecidable manual S 152 46.1205 50 0.32 45
IV.T1246.HHN. 2016-10-30T20:37:16.20 0.6 undecidable manual S 123 45.2214 50 -0.16 47
IV.CESX.HHE. 2016-10-30T20:37:15.50 0.6 undecidable manual S 239 42.4242 50 -0.11 47
IV.FAGN.HHZ. 2016-10-30T20:37:15.41 0.3 undecidable manual P 143 75.2691 50 0.65 58
IV.CAMP.HHE. 2016-10-30T20:37:15.62 0.6 undecidable manual S 134 43.2234 50 -0.2 46
IV.ARVD.HHZ. 2016-10-30T20:37:15.60 0.3 undecidable manual P 355 76.8675 50 0.6 59
IV.TRTR.HHZ. 2016-10-30T20:37:15.41 0.3 undecidable manual P 90 71.8725 50 1.17 46
IV.GUMA.HHZ. 2016-10-30T20:37:14.80 0.6 undecidable manual S 41 37.5291 50 0.48 44
IV.ASSB.HHZ. 2016-10-30T20:37:14.87 0.6 undecidable manual S 311 39.8268 50 -0.07 48
IV.T1241.HNN. 2016-10-30T20:37:13.14 0.6 undecidable manual S 81 33.0447 50 0.03 49
IV.T1211.EHZ. 2016-10-30T20:37:13.28 0.6 undecidable manual S 205 33.744 50 -0.01 49
IV.SMA1.EHZ. 2016-10-30T20:37:13.22 0.6 undecidable manual S 128 31.746 50 0.46 45
IV.ARRO.EHZ. 2016-10-30T20:37:13.10 0.6 undecidable manual S 220 33.3444 50 -0.09 48
IV.RM33.EHZ. 2016-10-30T20:37:13.84 0.6 undecidable manual S 156 36.4413 50 -0.17 47
IV.OFFI.HHZ. 2016-10-30T20:37:12.24 0.3 undecidable manual P 75 55.1004 50 0.6 61
XO.AM05.EHZ. 2016-10-30T20:37:12.79 0.6 undecidable manual S 54 32.2455 50 -0.11 48
IV.EL6.EHZ. 2016-10-30T20:37:12.21 0.3 undecidable manual P 6 58.0974 50 0.1 69
IV.GIGS.HHZ. 2016-10-30T20:37:12.25 0.6 undecidable manual P 131 59.1963 50 -0.03 46
IV.T1256.HHZ. 2016-10-30T20:37:11.20 0.6 undecidable manual S 36 27.1506 50 -0.33 46
IV.SNTG.HHZ. 2016-10-30T20:37:11.16 0.3 undecidable manual P 352 50.1165 50 0.28 67
IV.T1204.EHZ. 2016-10-30T20:37:11.44 0.6 undecidable manual S 122 27.5502 50 -0.2 47
IV.MMO1.EHZ. 2016-10-30T20:37:10.73 0.3 undecidable manual S 67 26.1516 50 -0.54 66
IV.LNSS.HHZ. 2016-10-30T20:37:10.02 0.6 undecidable manual S 178 22.755 114 -0.21 48
IV.T1247.HHZ. 2016-10-30T20:37:10.56 0.3 undecidable manual P 152 46.1205 50 0.29 68
IV.TERO.HHZ. 2016-10-30T20:37:10.75 0.3 undecidable manual P 114 51.0156 50 -0.27 67
IV.ASSB.HHZ. 2016-10-30T20:37:09.20 0.3 undecidable manual P 311 39.8268 50 -0.1 71
IV.CESX.HHE. 2016-10-30T20:37:09.47 0.1 undecidable manual P 239 42.4242 50 -0.22 92
IV.CAMP.HHE. 2016-10-30T20:37:09.74 0.3 undecidable manual P 134 43.2234 50 -0.07 71
IV.T1246.HHN. 2016-10-30T20:37:09.79 0.1 undecidable manual P 123 45.2214 50 -0.33 90
IV.T1243.HNZ. 2016-10-30T20:37:08.73 0.3 undecidable manual P 110 36.2415 50 -0.01 73
IV.SEF1.HNN. 2016-10-30T20:37:08.95 0.6 undecidable manual P 350 38.1285 50 -0.09 48
IV.FEMA.HNZ. 2016-10-30T20:37:08.58 0.6 undecidable manual S 5 17.1717 120 0.08 50
IV.RM33.EHZ. 2016-10-30T20:37:08.74 0.1 undecidable manual P 156 36.4413 50 -0.03 97
IV.GUMA.HHZ. 2016-10-30T20:37:08.98 0.3 undecidable manual P 41 37.5291 50 0.03 72
IV.T1241.HNN. 2016-10-30T20:37:08.05 0.1 undecidable manual P 81 33.0447 50 -0.2 94
XO.AM05.EHZ. 2016-10-30T20:37:08.00 0.1 undecidable manual P 54 32.2455 50 -0.12 96
IV.T1211.EHZ. 2016-10-30T20:37:08.20 0.3 undecidable manual P 205 33.744 50 -0.15 71
IV.SMA1.EHZ. 2016-10-30T20:37:08.37 0.3 undecidable manual P 128 31.746 50 0.33 69
IV.ARRO.EHZ. 2016-10-30T20:37:08.09 0.3 undecidable manual P 220 33.3444 50 -0.2 71
IV.T1217.EHZ. 2016-10-30T20:37:07.46 0.3 undecidable manual S 217 13.3755 127 0.06 75
IV.T1204.EHZ. 2016-10-30T20:37:07.29 0.1 undecidable manual P 122 27.5502 50 -0.11 97
IV.T1215.EHZ. 2016-10-30T20:37:07.34 0.6 undecidable manual S 267 13.1757 127 -0.01 51
IV.T1256.HHZ. 2016-10-30T20:37:07.14 0.3 undecidable manual P 36 27.1506 50 -0.2 71
IV.T1299.HNN. 2016-10-30T20:37:07.58 0.3 undecidable manual P 133 28.1496 50 0.08 73
IV.T1245.HHZ. 2016-10-30T20:37:07.43 0.3 undecidable manual S 67 13.875 126 -0.12 74
IV.MMO1.EHZ. 2016-10-30T20:37:06.86 0.1 undecidable manual P 67 26.1516 50 -0.32 93
IV.LNSS.HHZ. 2016-10-30T20:37:06.43 0.1 undecidable manual P 178 22.755 114 -0.16 97
IV.T1216.EHZ. 2016-10-30T20:37:06.16 0.3 undecidable manual S 354 9.1797 137 -0.17 74
IV.T1245.HHZ. 2016-10-30T20:37:05.13 0.3 undecidable manual P 67 13.875 126 0.1 75
IV.T1217.EHZ. 2016-10-30T20:37:05.05 0.1 undecidable manual P 217 13.3755 127 0.1 100
IV.FEMA.HNZ. 2016-10-30T20:37:05.39 0.3 undecidable manual P 5 17.1717 120 -0.19 73
IV.T1215.EHZ. 2016-10-30T20:37:05.04 0.1 undecidable manual P 267 13.1757 127 0.12 99
IV.T1216.EHZ. 2016-10-30T20:37:04.44 0.1 undecidable manual P 354 9.1797 137 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:2.0 0.00038264615 0.1152 AML other m 2016-10-30T20:37:17.06
IV.ASSB.HHE. ML:2.1 0.00044984705000000004 0.2176 AML other m 2016-10-30T20:37:16.44
IV.T1215.HNE. ML:2.3 0.0019283890000000002 0.1024 AML other m 2016-10-30T20:37:07.89
IV.T1215.HNN. ML:2.1 0.00124378045 0.128 AML other m 2016-10-30T20:37:08.11
IV.T1215.EHE. ML:2.3 0.001935596 0.0768 AML other m 2016-10-30T20:37:07.89
IV.T1215.EHN. ML:2.1 0.0012756085 0.064 AML other m 2016-10-30T20:37:07.42
IV.T1217.HNE. ML:2.7 0.0054410635 0.1664 AML other m 2016-10-30T20:37:07.94
IV.T1217.EHE. ML:2.7 0.0052998195 0.1536 AML other m 2016-10-30T20:37:07.86
IV.T1217.EHN. ML:2.8 0.0060159754999999995 0.1664 AML other m 2016-10-30T20:37:07.88
IV.T1217.HNN. ML:2.8 0.0061720055 0.1664 AML other m 2016-10-30T20:37:07.97
IV.T1245.HNN. ML:0.0 0.014972895 0.2176 AML other m 2016-10-30T20:37:08.22
IV.T1245.HHE. ML:0.0 0.015017335 0.2048 AML other m 2016-10-30T20:37:08.20
IV.T1245.HHN. ML:0.0 0.017149245 0.2176 AML other m 2016-10-30T20:37:08.22
IV.T1245.HNE. ML:0.0 0.017632705000000002 0.2048 AML other m 2016-10-30T20:37:08.21
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