Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 30-10-2016 and time 22:04:06 (Italy) in region 6 km E Norcia (PG)

A magnitude ML 2.2 earthquake occured in region: 6 km E Norcia (PG), on

  • 30-10-2016 21:04:06 (UTC)
  • 30-10-2016 22:04:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7980, 13.1670 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 6 4957 4957
Castelsantangelo sul Nera MC 11 281 5238
Arquata del Tronto AP 11 1178 6416
Accumoli RI 13 667 7083
Preci PG 14 724 7807
Montegallo AP 15 523 8330
Cascia PG 15 3217 11547
Visso MC 16 1107 12654
Ussita MC 17 444 13098
Montemonaco AP 17 604 13702
Cittareale RI 20 482 14184

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
50 Km NE of Terni (111501 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
72 Km E of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
93 Km W of Pescara (121014 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km NW of Chieti (51815 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
98 Km NE of Tivoli (56533 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 2.2 2016-10-30
21:04:06		 42.7983 13.1672 10 2019-02-12
14:03:22		 Bollettino Sismico Italiano INGV 47043481
Reviewed
Rev100 		ML 2.8 2016-10-30
21:04:06		 42.8055 13.1668 11 2016-10-30
21:17:21		 Sala Sismica INGV-Roma 31139781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-30 21:04:06 ± 0.05
Latitude 42.7983 ± 0.0027
Longitude 13.1672 ± 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 47043481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 285
Semi-minor axis of confidence ellipse (meter) 121
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.06025
Epicentral distance of station farthest from the epicenter (degree) 0.53330
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:2.8

Field Value
Value 2.8
Uncertainty 0.5
Num. used stations 2
Type of magnitude ML
Reference to an origin 31139781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-30 21:17:20

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 47043481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-06-22 23:01:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2016-10-30T21:04:25.39 0.6 undecidable manual S 355 59.1963 50 0.66 40
IV.SNTG.HHZ. 2016-10-30T21:04:23.50 0.3 undecidable manual S 340 53.9016 50 0.17 69
IV.GIGS.HHZ. 2016-10-30T21:04:21.93 0.6 undecidable manual S 139 50.616 50 -0.53 42
IV.TERO.HHN. 2016-10-30T21:04:19.37 0.6 undecidable manual S 119 40.5261 50 -0.41 44
IV.GUMA.HNN. 2016-10-30T21:04:18.25 0.6 undecidable manual S 25 32.3454 50 0.67 41
IV.CAMP.HHE. 2016-10-30T21:04:17.91 0.6 undecidable manual S 146 35.1426 50 -0.43 45
IV.EL6.EHZ. 2016-10-30T21:04:17.32 0.6 undecidable manual P 355 59.1963 50 0.44 43
IV.RM33.EHZ. 2016-10-30T21:04:17.55 0.3 undecidable manual S 173 32.3454 50 -0.03 73
IV.CSP1.EHZ. 2016-10-30T21:04:17.42 0.6 undecidable manual S 5 32.745 50 -0.25 47
IV.T1243.HNZ. 2016-10-30T21:04:15.34 0.1 undecidable manual S 116 25.5522 111 -0.28 94
IV.SNTG.HHZ. 2016-10-30T21:04:15.99 0.3 undecidable manual P 340 53.9016 50 -0.08 70
IV.OFFI.HHE. 2016-10-30T21:04:15.33 0.1 undecidable manual P 70 44.8218 50 0.66 81
IV.GAG1.HNZ. 2016-10-30T21:04:15.40 0.6 undecidable manual P 351 49.4172 50 0.01 48
IV.LNSS.HHZ. 2016-10-30T21:04:15.24 0.3 undecidable manual S 206 24.0537 112 0.11 73
XO.AM05.EHZ. 2016-10-30T21:04:15.18 0.3 undecidable manual S 37 24.9528 111 -0.25 71
IV.SMA1.EHZ. 2016-10-30T21:04:15.13 0.6 undecidable manual S 144 23.1546 113 0.29 47
IV.GIGS.HHZ. 2016-10-30T21:04:15.81 0.3 undecidable manual P 139 50.616 50 0.25 68
IV.T1241.EHZ. 2016-10-30T21:04:14.66 0.6 undecidable manual S 73 22.4553 113 0.04 50
IV.T1299.HNN. 2016-10-30T21:04:14.47 0.6 undecidable manual S 153 20.4684 115 0.47 45
IV.T1217.HNZ. 2016-10-30T21:04:14.41 0.3 undecidable manual S 244 21.4674 114 0.09 74
IV.T1215.EHZ. 2016-10-30T21:04:14.90 0.3 undecidable manual S 271 24.3534 111 -0.33 70
IV.T1256.HHZ. 2016-10-30T21:04:14.66 0.6 undecidable manual S 12 23.5542 112 -0.33 47
IV.TERO.HHN. 2016-10-30T21:04:13.50 0.3 undecidable manual P 119 40.5261 50 -0.52 65
IV.FEMA.HNZ. 2016-10-30T21:04:13.74 0.3 undecidable manual S 332 20.5683 115 -0.27 71
IV.RM33.EHZ. 2016-10-30T21:04:12.60 0.3 undecidable manual P 173 32.3454 50 -0.15 72
IV.MMO1.HNZ. 2016-10-30T21:04:12.72 0.3 undecidable manual S 49 17.1717 119 -0.25 72
IV.CSP1.EHZ. 2016-10-30T21:04:12.79 0.6 undecidable manual P 5 32.745 50 -0.02 49
IV.CAMP.HHE. 2016-10-30T21:04:12.92 0.3 undecidable manual P 146 35.1426 50 -0.27 69
IV.GUMA.HNN. 2016-10-30T21:04:12.79 0.1 undecidable manual P 25 32.3454 50 0.04 98
IV.SMA1.EHZ. 2016-10-30T21:04:11.41 0.3 undecidable manual P 144 23.1546 113 0.24 71
IV.T1244.EHZ. 2016-10-30T21:04:11.71 0.6 undecidable manual S 113 11.5773 130 0.34 47
IV.T1215.EHZ. 2016-10-30T21:04:11.23 0.3 undecidable manual P 271 24.3534 111 -0.17 72
IV.T1256.HHZ. 2016-10-30T21:04:11.01 0.1 undecidable manual P 12 23.5542 112 -0.25 95
IV.T1241.EHZ. 2016-10-30T21:04:11.18 0.1 undecidable manual P 73 22.4553 113 0.14 97
IV.T1243.HNZ. 2016-10-30T21:04:11.45 0.1 undecidable manual P 116 25.5522 111 -0.17 96
IV.LNSS.HHZ. 2016-10-30T21:04:11.37 0.3 undecidable manual P 206 24.0537 112 0.03 74
XO.AM05.EHZ. 2016-10-30T21:04:11.61 0.3 undecidable manual P 37 24.9528 111 0.1 73
IV.T1217.HNZ. 2016-10-30T21:04:10.96 0.3 undecidable manual P 244 21.4674 114 0.09 74
IV.FEMA.HNZ. 2016-10-30T21:04:10.82 0.3 undecidable manual P 332 20.5683 115 0.13 73
IV.T1299.HNN. 2016-10-30T21:04:10.70 0.1 undecidable manual P 153 20.4684 115 0.02 100
IV.T1245.HNZ. 2016-10-30T21:04:10.20 0.3 undecidable manual S 15 6.6933 145 0 77
IV.MMO1.HNZ. 2016-10-30T21:04:09.94 0.3 undecidable manual P 49 17.1717 119 -0.15 73
IV.T1244.EHZ. 2016-10-30T21:04:09.56 0.1 undecidable manual P 113 11.5773 130 0.4 94
IV.T1245.HNZ. 2016-10-30T21:04:08.64 0.1 undecidable manual P 15 6.6933 145 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XO.AM05.HNN. ML:2.1 0.0007006786499999999 0.0768 AML other m 2016-10-30T21:04:15.62
XO.AM05.EHN. ML:1.6 0.00024487315 0.0896 AML other m 2016-10-30T21:04:15.59
XO.AM05.EHE. ML:2.7 0.002994327 0.1024 AML other m 2016-10-30T21:04:15.88
XO.AM05.HNE. ML:2.0 0.0006161505 0.1024 AML other m 2016-10-30T21:04:15.88
IV.CSP1.EHE. ML:2.5 0.00133299295 0.32 AML other m 2016-10-30T21:04:18.20
IV.CSP1.EHN. ML:2.5 0.001317142 0.3968 AML other m 2016-10-30T21:04:18.67
IV.EL6.EHE. ML:2.3 0.00041780920000000007 0.1536 AML other m 2016-10-30T21:04:26.79
IV.EL6.EHN. ML:2.3 0.00038980300000000014 0.32 AML other m 2016-10-30T21:04:30.40
IV.FEMA.HNE. ML:2.5 0.002442003 0.128 AML other m 2016-10-30T21:04:14.36
IV.FEMA.HNN. ML:2.3 0.00144750695 0.1792 AML other m 2016-10-30T21:04:14.07
IV.SMA1.EHN. ML:2.1 0.000755675 0.2816 AML other m 2016-10-30T21:04:17.93
IV.SMA1.EHE. ML:2.2 0.00097731285 0.32 AML other m 2016-10-30T21:04:17.63
IV.SNTG.HHE. ML:1.9 0.00017809724999999998 0.1536 AML other m 2016-10-30T21:04:24.26
IV.SNTG.HNE. ML:1.9 0.00018094025000000002 0.1408 AML other m 2016-10-30T21:04:24.26
IV.SNTG.HNN. ML:1.9 0.000190915 0.3584 AML other m 2016-10-30T21:04:31.83
IV.T1216.EHN. ML:2.3 0.001985866 0.128 AML other m 2016-10-30T21:04:12.58
IV.T1216.EHE. ML:2.4 0.0021230955000000004 0.2688 AML other m 2016-10-30T21:04:16.30
IV.T1241.EHE. ML:2.8 0.0038527959999999995 0.2688 AML other m 2016-10-30T21:04:14.89
IV.T1241.EHN. ML:2.2 0.00106014265 0.2944 AML other m 2016-10-30T21:04:15.43
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