Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 30-12-2016 and time 19:22:57 (Italy) in region 4 km E Norcia (PG)

A magnitude ML 2.0 earthquake occured in region: 4 km E Norcia (PG), on

  • 30-12-2016 18:22:57 (UTC)
  • 30-12-2016 19:22:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7800, 13.1450 at 11 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 4 4957 4957
Arquata del Tronto AP 13 1178 6135
Accumoli RI 13 667 6802
Cascia PG 13 3217 10019
Castelsantangelo sul Nera MC 13 281 10300
Preci PG 14 724 11024
Montegallo AP 17 523 11547
Visso MC 18 1107 12654
Cittareale RI 18 482 13136
Ussita MC 18 444 13580
Poggiodomo PG 19 117 13697
Cerreto di Spoleto PG 19 1075 14772

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
48 Km W of Teramo (54892 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
72 Km SE of Perugia (166134 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
94 Km W of Pescara (121014 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
96 Km NW 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 		ML 2.0 2016-12-30
18:22:57		 42.7797 13.1448 11 2016-12-30
18:32:14		 Sala Sismica INGV-Roma 38088601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-12-30 18:22:57 ± 0.03
Latitude 42.7797 ± 0.0018
Longitude 13.1448 ± 0.0025
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 38088601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 219
Semi-minor axis of confidence ellipse (meter) 113
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 40
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 54
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.55038
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 28
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 23
Type of magnitude ML
Reference to an origin 38088601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-12-30 18:32:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2016-12-30T18:23:16.66 0.3 undecidable manual S 318 60.7947 50 -0.05 68
IV.SNTG.HHZ. 2016-12-30T18:23:15.85 0.1 undecidable manual S 343 55.3002 50 0.63 80
IV.CERT.HHZ. 2016-12-30T18:23:14.33 3.0 negative manual P -0.25 0
IV.ASSB.HHZ. 2016-12-30T18:23:13.68 0.1 undecidable manual S 307 49.1175 50 0.1 92
IV.T1247.HHZ. 2016-12-30T18:23:12.07 3.0 undecidable manual S 0.32 0
IV.TERO.HHZ. 2016-12-30T18:23:11.54 0.1 undecidable manual S 115 41.2254 50 0.05 94
IV.T1220.EHZ. 2016-12-30T18:23:10.48 0.1 undecidable manual S 353 36.9297 50 0.15 93
IV.GUMA.HHZ. 2016-12-30T18:23:10.19 0.3 undecidable manual S 26 35.0427 50 0.38 67
IV.T1211.EHZ. 2016-12-30T18:23:10.33 0.1 undecidable manual S 221 36.1416 50 0.2 92
IV.T1219.EHZ. 2016-12-30T18:23:09.10 0.1 undecidable manual S 340 32.6451 50 -0.09 95
IV.CAMP.HHZ. 2016-12-30T18:23:09.61 0.1 undecidable manual S 141 34.6431 50 -0.09 95
IV.SNTG.HHZ. 2016-12-30T18:23:08.00 0.1 undecidable manual P 343 55.3002 50 0.09 91
IV.CESI.HHZ. 2016-12-30T18:23:08.82 0.1 undecidable manual S 322 31.746 50 -0.11 95
IV.ATCC.EHZ. 2016-12-30T18:23:08.99 0.1 undecidable manual P 318 60.7947 50 0.22 88
IV.FDMO.HHZ. 2016-12-30T18:23:08.01 0.1 undecidable manual S 351 28.8489 50 -0.17 94
IV.RM33.EHZ. 2016-12-30T18:23:08.79 0.1 undecidable manual S 169 30.5472 50 0.16 94
IV.EL6.EHZ. 2016-12-30T18:23:08.89 0.1 undecidable manual P 357 61.0944 50 0.08 90
IV.T1243.HHZ. 2016-12-30T18:23:07.16 0.1 undecidable manual S 110 26.3514 50 -0.36 91
IV.T1256.HHZ. 2016-12-30T18:23:07.16 0.1 undecidable manual S 15 25.9518 50 -0.25 93
IV.OFFI.HHZ. 2016-12-30T18:23:07.25 0.1 undecidable manual P 68 47.2194 50 0.57 82
IV.LNSS.HHZ. 2016-12-30T18:23:06.24 0.1 undecidable manual S 204 21.3675 50 0.06 97
IV.ASSB.HHZ. 2016-12-30T18:23:06.89 0.1 undecidable manual P 307 49.1175 50 -0.07 93
IV.T1215.EHZ. 2016-12-30T18:23:06.12 0.1 undecidable manual S 276 22.6551 50 -0.4 91
IV.SMA1.EHZ. 2016-12-30T18:23:06.54 0.1 undecidable manual S 137 22.6551 50 0.01 98
IV.T1241.EHZ. 2016-12-30T18:23:06.91 0.1 undecidable manual S 70 24.753 50 -0.18 94
IV.TERO.HHZ. 2016-12-30T18:23:05.55 0.1 undecidable manual P 115 41.2254 50 -0.21 91
IV.T1220.EHZ. 2016-12-30T18:23:05.08 0.1 undecidable manual P 353 36.9297 50 -0.01 96
IV.MMO1.HNZ. 2016-12-30T18:23:05.73 0.1 undecidable manual S 48 19.869 118 -0.04 98
IV.T1299.EHZ. 2016-12-30T18:23:05.88 0.1 undecidable manual S 145 19.6692 119 0.19 95
IV.CAMP.HHZ. 2016-12-30T18:23:04.58 0.1 undecidable manual P 141 34.6431 50 -0.15 94
IV.T1216.EHZ. 2016-12-30T18:23:04.61 0.1 undecidable manual S 320 15.9729 124 0 100
IV.RM33.EHZ. 2016-12-30T18:23:04.02 0.1 undecidable manual P 169 30.5472 50 -0.08 95
IV.T1211.EHZ. 2016-12-30T18:23:04.90 0.1 undecidable manual P 221 36.1416 50 -0.07 95
IV.MC2.EHZ. 2016-12-30T18:23:04.52 0.1 undecidable manual S 14 15.0738 125 0.19 96
IV.T1219.EHZ. 2016-12-30T18:23:04.28 0.1 undecidable manual P 340 32.6451 50 -0.15 94
IV.CESI.HHZ. 2016-12-30T18:23:04.31 0.1 positive manual P 322 31.746 50 0.03 96
IV.GUMA.HHZ. 2016-12-30T18:23:04.99 0.1 undecidable manual P 26 35.0427 50 0.2 92
IV.FDMO.HHZ. 2016-12-30T18:23:03.73 0.1 negative manual P 351 28.8489 50 -0.12 95
IV.T1241.EHZ. 2016-12-30T18:23:03.19 0.1 undecidable manual P 70 24.753 50 -0.03 97
IV.T1243.HHZ. 2016-12-30T18:23:03.30 0.1 undecidable manual P 110 26.3514 50 -0.17 95
IV.T1256.HHZ. 2016-12-30T18:23:03.35 0.3 positive manual P 15 25.9518 50 -0.05 73
IV.T1218.EHZ. 2016-12-30T18:23:03.75 0.3 undecidable manual S 191 12.3765 131 0.13 73
IV.MMO1.HNZ. 2016-12-30T18:23:02.38 0.1 undecidable manual P 48 19.869 118 -0.07 98
IV.SMA1.EHZ. 2016-12-30T18:23:02.92 0.1 undecidable manual P 137 22.6551 50 0.03 98
IV.T1299.EHZ. 2016-12-30T18:23:02.63 0.1 negative manual P 145 19.6692 119 0.22 95
IV.T1245.HHZ. 2016-12-30T18:23:02.59 0.1 undecidable manual S 22 9.1797 139 -0.24 96
IV.LNSS.HHZ. 2016-12-30T18:23:02.71 0.1 positive manual P 204 21.3675 50 0.02 98
IV.T1212.HNZ. 2016-12-30T18:23:02.55 0.1 undecidable manual S 249 8.7801 141 -0.18 97
IV.T1215.EHZ. 2016-12-30T18:23:02.71 0.1 undecidable manual P 276 22.6551 50 -0.17 95
IV.T1214.HNZ. 2016-12-30T18:23:01.84 0.1 undecidable manual S 113 5.6943 152 -0.29 96
IV.T1218.EHZ. 2016-12-30T18:23:01.30 0.1 undecidable manual P 191 12.3765 131 0.08 99
IV.T1216.EHZ. 2016-12-30T18:23:01.60 0.1 undecidable manual P 320 15.9729 124 -0.19 96
IV.MC2.EHZ. 2016-12-30T18:23:01.73 0.1 negative manual P 14 15.0738 125 0.1 98
IV.T1212.HNZ. 2016-12-30T18:23:00.82 0.1 positive manual P 249 8.7801 141 0.12 98
IV.T1214.HNZ. 2016-12-30T18:23:00.50 0.1 negative manual P 113 5.6943 152 0.14 98
IV.T1245.HHZ. 2016-12-30T18:23:00.80 0.1 negative manual P 22 9.1797 139 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:1.5 0.00009224999999999999 1.2 AML other m 2016-12-30T18:23:15.91
IV.ASSB.HHN. ML:1.6 0.0001185 0.44 AML other m 2016-12-30T18:23:15.44
IV.CAMP.HHN. ML:1.6 0.000158 0.26 AML other m 2016-12-30T18:23:09.92
IV.CAMP.HHE. ML:1.6 0.00017299999999999998 0.26 AML other m 2016-12-30T18:23:09.86
IV.CESI.HHE. ML:1.8 0.00029400000000000004 0.22 AML other m 2016-12-30T18:23:09.39
IV.CESI.HHN. ML:2.0 0.0005389999999999999 0.54 AML other m 2016-12-30T18:23:09.57
IV.EL6.EHE. ML:1.9 0.000168 0.46 AML other m 2016-12-30T18:23:18.15
IV.EL6.EHN. ML:1.9 0.00016049999999999997 0.16 AML other m 2016-12-30T18:23:18.90
IV.FDMO.HHN. ML:1.9 0.0003725 0.3 AML other m 2016-12-30T18:23:08.49
IV.FDMO.HHE. ML:1.6 0.000225 0.74 AML other m 2016-12-30T18:23:08.19
IV.GUMA.HHN. ML:2.4 0.0008985 0.32 AML other m 2016-12-30T18:23:11.32
IV.GUMA.HHE. ML:2.3 0.0007880000000000001 0.3 AML other m 2016-12-30T18:23:12.69
IV.LNSS.HHN. ML:2.6 0.0027 0.32 AML other m 2016-12-30T18:23:06.76
IV.LNSS.HHE. ML:2.6 0.0027 0.84 AML other m 2016-12-30T18:23:06.44
IV.RM33.EHN. ML:1.6 0.000191 0.2 AML other m 2016-12-30T18:23:09.42
IV.RM33.EHE. ML:1.6 0.00019700000000000002 0.12 AML other m 2016-12-30T18:23:10.57
IV.SMA1.EHN. ML:1.8 0.0003985 0.16 AML other m 2016-12-30T18:23:07.84
IV.SMA1.EHE. ML:1.8 0.0003945 1.42 AML other m 2016-12-30T18:23:08.98
IV.T1211.HNE. ML:2.0 0.0004045 0.1 AML other m 2016-12-30T18:23:11.09
IV.T1211.EHE. ML:2.0 0.00040649999999999996 0.1 AML other m 2016-12-30T18:23:11.14
IV.T1211.HNN. ML:2.2 0.0005899999999999999 0.26 AML other m 2016-12-30T18:23:10.58
IV.T1211.EHN. ML:2.2 0.000565 0.26 AML other m 2016-12-30T18:23:10.71
IV.T1212.EHE. ML:2.3 0.002755 0.6 AML other m 2016-12-30T18:23:02.64
IV.T1212.HNN. ML:2.6 0.00525 0.12 AML other m 2016-12-30T18:23:02.64
IV.T1212.HNE. ML:2.4 0.0030250000000000003 0.58 AML other m 2016-12-30T18:23:02.64
IV.T1212.EHN. ML:2.6 0.005375 0.12 AML other m 2016-12-30T18:23:02.64
IV.T1214.EHE. ML:2.4 0.004035 1.78 AML other m 2016-12-30T18:23:02.97
IV.T1214.HNE. ML:2.4 0.0042450000000000005 1.78 AML other m 2016-12-30T18:23:02.97
IV.T1214.EHN. ML:2.4 0.004355 1.9 AML other m 2016-12-30T18:23:01.95
IV.T1214.HNN. ML:2.5 0.004465 1.9 AML other m 2016-12-30T18:23:01.95
IV.T1215.HNN. ML:1.5 0.0002195 0.82 AML other m 2016-12-30T18:23:06.30
IV.T1215.EHN. ML:1.6 0.00023549999999999998 0.82 AML other m 2016-12-30T18:23:06.30
IV.T1215.EHE. ML:1.4 0.000165 0.48 AML other m 2016-12-30T18:23:06.73
IV.T1215.HNE. ML:1.4 0.0001625 1.44 AML other m 2016-12-30T18:23:06.97
IV.T1216.EHE. ML:1.9 0.0007515000000000001 0.28 AML other m 2016-12-30T18:23:06.43
IV.T1216.EHN. ML:2.0 0.0008719999999999999 0.4 AML other m 2016-12-30T18:23:06.65
IV.T1218.HNE. ML:2.2 0.0015 0.16 AML other m 2016-12-30T18:23:03.97
IV.T1218.EHE. ML:2.1 0.0014249999999999998 0.16 AML other m 2016-12-30T18:23:03.97
IV.T1218.HNN. ML:2.1 0.0012999999999999997 1.6 AML other m 2016-12-30T18:23:04.05
IV.T1218.EHN. ML:2.1 0.001325 1.6 AML other m 2016-12-30T18:23:04.05
IV.T1219.EHE. ML:2.0 0.00045400000000000003 0.38 AML other m 2016-12-30T18:23:09.49
IV.T1219.EHN. ML:2.0 0.00045499999999999995 0.48 AML other m 2016-12-30T18:23:09.83
IV.T1219.HNN. ML:2.1 0.0004925 0.46 AML other m 2016-12-30T18:23:09.60
IV.T1219.HNE. ML:2.0 0.00048350000000000004 0.38 AML other m 2016-12-30T18:23:09.48
IV.T1220.HNN. ML:2.3 0.0007125 0.2 AML other m 2016-12-30T18:23:12.29
IV.T1220.EHN. ML:2.3 0.000726 0.2 AML other m 2016-12-30T18:23:12.30
IV.T1220.HNE. ML:2.2 0.0006464999999999999 0.54 AML other m 2016-12-30T18:23:11.61
IV.T1220.EHE. ML:2.2 0.0006464999999999999 0.22 AML other m 2016-12-30T18:23:13.53
IV.T1241.EHN. ML:1.8 0.0003655 0.4 AML other m 2016-12-30T18:23:07.14
IV.T1241.EHE. ML:1.9 0.000488 1.18 AML other m 2016-12-30T18:23:07.30
IV.T1245.HNE. ML:2.3 0.002735 0.2 AML other m 2016-12-30T18:23:03.02
IV.T1245.HHN. ML:2.2 0.0022949999999999997 0.66 AML other m 2016-12-30T18:23:04.37
IV.T1245.HHE. ML:2.3 0.0025099999999999996 0.2 AML other m 2016-12-30T18:23:03.02
IV.T1245.HNN. ML:2.2 0.0022 0.44 AML other m 2016-12-30T18:23:03.91
IV.T1247.HHN. ML:1.7 0.00018099999999999998 0.36 AML other m 2016-12-30T18:23:17.83
IV.T1247.HHE. ML:1.7 0.000175 1.26 AML other m 2016-12-30T18:23:17.95
IV.T1256.HHE. ML:2.1 0.000734 0.9 AML other m 2016-12-30T18:23:07.98
IV.T1256.HHN. ML:2.1 0.0007745 0.2 AML other m 2016-12-30T18:23:07.61
IV.T1299.HNE. ML:1.6 0.0003255 1 AML other m 2016-12-30T18:23:06.69
IV.T1299.EHE. ML:1.6 0.0003205 1 AML other m 2016-12-30T18:23:06.20
IV.T1299.EHN. ML:1.7 0.00039449999999999994 0.54 AML other m 2016-12-30T18:23:06.33
IV.T1299.HNN. ML:1.8 0.0004360000000000001 0.3 AML other m 2016-12-30T18:23:06.32
IV.TERO.HHN. ML:1.9 0.0002525 0.66 AML other m 2016-12-30T18:23:11.59
IV.TERO.HHE. ML:1.8 0.000229 0.34 AML other m 2016-12-30T18:23:12.20
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