Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 30-10-2016 and time 21:48:46 (Italy) in region 2 km W Norcia (PG)

A magnitude ML 2.4 earthquake occured in region: 2 km W Norcia (PG), on

  • 30-10-2016 20:48:46 (UTC)
  • 30-10-2016 21:48:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7930, 13.0720 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 2 4957 4957
Cascia PG 9 3217 8174
Preci PG 10 724 8898
Cerreto di Spoleto PG 13 1075 9973
Castelsantangelo sul Nera MC 13 281 10254
Poggiodomo PG 14 117 10371
Visso MC 16 1107 11478
Sellano PG 16 1079 12557
Vallo di Nera PG 17 364 12921
Ussita MC 18 444 13365
Accumoli RI 18 667 14032
Monteleone di Spoleto PG 18 599 14631
Arquata del Tronto AP 19 1178 15809

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SE of Foligno (57155 inhabitants)
43 Km NE of Terni (111501 inhabitants)
54 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
66 Km SE of Perugia (166134 inhabitants)
89 Km E of Viterbo (67173 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
93 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
Bulletin
Rev1000 		ML 2.4 2016-10-30
20:48:46		 42.7927 13.0718 11 2019-02-12
14:03:22		 Bollettino Sismico Italiano INGV 47022221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-30 20:48:46 ± 0.04
Latitude 42.7927 ± 0.0018
Longitude 13.0718 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 47022221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 375
Semi-minor axis of confidence ellipse (meter) 244
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 273
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
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) 0.10522
Epicentral distance of station farthest from the epicenter (degree) 0.47124
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitude information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 47022221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-06-22 10:05:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T1246.HHN. 2016-10-30T20:49:00.13 0.6 undecidable manual S 124 41.4252 50 -0.13 46
IV.GUMA.HNN. 2016-10-30T20:48:59.44 0.6 undecidable manual S 35 36.8298 50 0.41 44
IV.CAMP.HHE. 2016-10-30T20:48:59.61 0.6 undecidable manual S 136 39.627 50 -0.16 46
IV.RM33.HNE. 2016-10-30T20:48:58.22 0.6 undecidable manual S 160 33.5442 50 0.07 48
XO.AM05.EHZ. 2016-10-30T20:48:57.15 0.6 undecidable manual S 48 30.6471 50 -0.24 46
IV.T1241.EHZ. 2016-10-30T20:48:57.32 0.6 undecidable manual S 76 30.0477 50 0.09 48
IV.T1243.HNZ. 2016-10-30T20:48:57.49 0.6 undecidable manual S 109 32.4453 50 -0.37 45
IV.T1299.HNN. 2016-10-30T20:48:56.19 0.6 undecidable manual S 136 24.5532 50 0.44 45
IV.SMA1.EHZ. 2016-10-30T20:48:56.55 0.6 undecidable manual S 130 28.0497 50 -0.13 48
IV.T1256.HHZ. 2016-10-30T20:48:56.07 0.3 undecidable manual S 28 26.8509 50 -0.28 69
IV.OFFI.HHE. 2016-10-30T20:48:56.95 0.3 undecidable manual P 72 52.3032 50 0.78 56
IV.TERO.HHZ. 2016-10-30T20:48:55.21 0.3 undecidable manual P 113 47.3193 50 -0.18 68
IV.T1204.EHZ. 2016-10-30T20:48:55.44 0.6 undecidable manual S 123 23.754 50 -0.11 48
IV.CAMP.HHE. 2016-10-30T20:48:54.27 0.1 undecidable manual P 136 39.627 50 0.07 94
IV.T1201.HNN. 2016-10-30T20:48:54.98 0.6 undecidable manual S 136 20.9679 117 0.24 47
IV.FEMA.HNZ. 2016-10-30T20:48:54.20 0.6 undecidable manual S 355 18.87 119 0.1 49
IV.T1246.HHN. 2016-10-30T20:48:54.36 0.1 undecidable manual P 124 41.4252 50 -0.13 93
IV.LNSS.HHZ. 2016-10-30T20:48:54.57 0.6 undecidable manual S 187 21.1677 116 -0.25 47
IV.GUMA.HNN. 2016-10-30T20:48:54.01 0.1 undecidable manual P 35 36.8298 50 0.23 92
IV.T1215.EHZ. 2016-10-30T20:48:53.26 0.6 undecidable manual S 274 16.5723 122 -0.16 48
IV.T1243.HNZ. 2016-10-30T20:48:53.01 0.3 undecidable manual P 109 32.4453 50 -0.1 71
IV.RM33.HNE. 2016-10-30T20:48:53.04 0.1 undecidable manual P 160 33.5442 50 -0.23 92
IV.T1256.HHZ. 2016-10-30T20:48:52.05 0.3 undecidable manual P 28 26.8509 50 -0.19 71
XO.AM05.EHZ. 2016-10-30T20:48:52.78 0.3 undecidable manual P 48 30.6471 50 -0.05 72
IV.T1241.EHZ. 2016-10-30T20:48:52.80 0.1 undecidable manual P 76 30.0477 50 0.06 96
IV.T1217.EHZ. 2016-10-30T20:48:52.75 0.6 undecidable manual S 232 14.5743 126 -0.08 49
IV.SMA1.EHZ. 2016-10-30T20:48:52.62 0.3 undecidable manual P 130 28.0497 50 0.2 70
IV.T1204.EHZ. 2016-10-30T20:48:51.80 0.1 negative manual P 123 23.754 50 0.03 98
IV.T1216.EHZ. 2016-10-30T20:48:51.92 0.6 undecidable manual S 338 11.6772 132 -0.14 49
IV.T1245.HHZ. 2016-10-30T20:48:51.80 0.6 undecidable manual S 53 11.7771 132 -0.29 47
IV.T1201.HNN. 2016-10-30T20:48:51.39 0.1 undecidable manual P 136 20.9679 117 0.09 97
IV.T1299.HNN. 2016-10-30T20:48:51.94 0.1 undecidable manual P 136 24.5532 50 0.05 97
IV.LNSS.HHZ. 2016-10-30T20:48:51.31 0.3 undecidable manual P 187 21.1677 116 -0.04 74
IV.T1217.EHZ. 2016-10-30T20:48:50.39 0.1 undecidable manual P 232 14.5743 126 0.19 96
IV.T1215.EHZ. 2016-10-30T20:48:50.65 0.1 undecidable manual P 274 16.5723 122 0.11 97
IV.FEMA.HNZ. 2016-10-30T20:48:50.86 0.1 undecidable manual P 355 18.87 119 -0.08 98
IV.T1216.EHZ. 2016-10-30T20:48:49.79 0.1 undecidable manual P 338 11.6772 132 0.03 100
IV.T1245.HHZ. 2016-10-30T20:48:49.80 0.1 negative manual P 53 11.7771 132 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XO.AM05.HNE. ML:2.2 0.000770489 0.1152 AML other m 2016-10-30T20:48:58.10
XO.AM05.HNN. ML:2.0 0.00052044925 0.2304 AML other m 2016-10-30T20:48:58.73
XO.AM05.EHN. ML:1.8 0.0002611311 0.0768 AML other m 2016-10-30T20:48:57.73
XO.AM05.EHE. ML:2.8 0.003093464 0.1152 AML other m 2016-10-30T20:48:58.10
IV.FEMA.HNE. ML:2.7 0.003648708 0.2048 AML other m 2016-10-30T20:48:55.37
IV.FEMA.HNN. ML:2.5 0.0025434475 0.1664 AML other m 2016-10-30T20:48:55.23
IV.LNSS.HHN. ML:2.7 0.0035032344999999998 0.1408 AML other m 2016-10-30T20:48:55.26
IV.LNSS.HHE. ML:2.3 0.001403218 0.2176 AML other m 2016-10-30T20:48:55.17
IV.SMA1.EHN. ML:2.6 0.002295292 0.3584 AML other m 2016-10-30T20:48:59.39
IV.SMA1.EHE. ML:2.7 0.0024242400000000002 0.256 AML other m 2016-10-30T20:48:56.81
IV.T1204.EHN. ML:2.7 0.0028890310000000002 0.1152 AML other m 2016-10-30T20:48:55.53
IV.T1204.EHE. ML:3.0 0.006481835 0.2176 AML other m 2016-10-30T20:48:56.06
IV.T1215.EHE. ML:2.1 0.0011934583249999999 0.0768 AML other m 2016-10-30T20:48:54.03
IV.T1215.HNE. ML:2.1 0.0011261695 0.0768 AML other m 2016-10-30T20:48:54.03
IV.T1215.HNN. ML:2.3 0.0016861985000000003 0.1792 AML other m 2016-10-30T20:48:53.40
IV.T1215.EHN. ML:2.3 0.0016570083499999999 0.1792 AML other m 2016-10-30T20:48:53.48
IV.T1216.EHN. ML:2.6 0.0054762455 0.1536 AML other m 2016-10-30T20:48:53.17
IV.T1216.EHE. ML:2.6 0.004363870999999999 0.1024 AML other m 2016-10-30T20:48:52.58
IV.T1217.EHN. ML:2.3 0.00209043355 0.1664 AML other m 2016-10-30T20:48:53.75
IV.T1217.EHE. ML:2.2 0.0015048534999999997 0.256 AML other m 2016-10-30T20:48:54.11
IV.T1217.HNN. ML:2.3 0.002130859 0.1664 AML other m 2016-10-30T20:48:53.75
IV.T1217.HNE. ML:2.2 0.001530846 0.256 AML other m 2016-10-30T20:48:54.11
IV.T1241.EHE. ML:2.5 0.0014925144999999999 0.1664 AML other m 2016-10-30T20:48:57.43
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