Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 07-09-2016 and time 23:41:49 (Italy) in region 3 km E Norcia (PG)

A magnitude ML 1.8 earthquake occured in region: 3 km E Norcia (PG), on

  • 07-09-2016 21:41:49 (UTC)
  • 07-09-2016 23:41:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7850, 13.1280 at 10 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 3 4957 4957
Cascia PG 12 3217 8174
Castelsantangelo sul Nera MC 12 281 8455
Preci PG 13 724 9179
Arquata del Tronto AP 14 1178 10357
Accumoli RI 14 667 11024
Visso MC 17 1107 12131
Cerreto di Spoleto PG 18 1075 13206
Poggiodomo PG 18 117 13323
Ussita MC 18 444 13767
Montegallo AP 18 523 14290
Cittareale RI 19 482 14772

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
49 Km W of Teramo (54892 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
70 Km SE of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km N of Tivoli (56533 inhabitants)
96 Km W of Pescara (121014 inhabitants)
98 Km SW of Ancona (100861 inhabitants)
98 Km NW of Chieti (51815 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 1.8 2016-09-07
21:41:49		 42.7852 13.1277 10 2016-09-07
21:50:37		 Sala Sismica INGV-Roma 28506781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-09-07 21:41:49 ± 0.03
Latitude 42.7852 ± 0.0018
Longitude 13.1277 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 28506781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 245
Semi-minor axis of confidence ellipse (meter) 120
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 234
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 38
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 46
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) 0.04946
Epicentral distance of station farthest from the epicenter (degree) 0.57557
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 15
Type of magnitude ML
Reference to an origin 28506781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-09-07 21:50:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2016-09-07T21:42:07.00 0.6 undecidable manual S 344 54.3012 50 0.79 37
IV.ASSB.HHZ. 2016-09-07T21:42:04.73 0.6 undecidable manual S 307 47.619 50 0.3 44
IV.CSP1.EHZ. 2016-09-07T21:42:01.17 0.6 undecidable manual S 10 34.6431 50 0.22 46
IV.T1246.HHE. 2016-09-07T21:42:01.83 0.1 undecidable manual S 127 37.2294 50 0.16 93
IV.RM33.EHZ. 2016-09-07T21:42:00.03 0.1 undecidable manual S 167 31.4463 50 -0.08 96
IV.FOSV.EHZ. 2016-09-07T21:42:00.61 0.6 undecidable manual P 332 63.8916 50 0.17 44
IV.SNTG.HHZ. 2016-09-07T21:41:59.21 0.3 undecidable manual P 344 54.3012 50 0.25 66
IV.FIAM.HHZ. 2016-09-07T21:41:59.25 0.6 undecidable manual P 181 57.3981 50 -0.19 45
IV.CESI.HHZ. 2016-09-07T21:41:59.80 0.3 undecidable manual S 323 30.3474 50 -0.03 73
IV.T1241.HHZ. 2016-09-07T21:41:58.68 0.3 undecidable manual S 72 25.9518 50 0.04 73
IV.T1243.HHZ. 2016-09-07T21:41:58.98 0.3 undecidable manual S 110 27.9498 50 -0.19 70
IV.SMA1.EHZ. 2016-09-07T21:41:58.27 0.3 undecidable manual S 135 24.0537 113 0.13 72
IV.TERO.HHZ. 2016-09-07T21:41:57.01 0.3 undecidable manual P 115 42.8238 50 -0.19 69
IV.LNSS.HHZ. 2016-09-07T21:41:57.47 0.3 undecidable manual S 199 21.4674 115 0.17 72
IV.T1299.HNN. 2016-09-07T21:41:57.49 0.6 undecidable manual S 143 20.9679 116 0.34 46
IV.T1215.EHZ. 2016-09-07T21:41:57.36 0.3 undecidable manual S 275 21.1677 116 0.14 72
IV.ASSB.HHZ. 2016-09-07T21:41:57.83 0.3 undecidable manual P 307 47.619 50 -0.11 69
IV.T1204.EHZ. 2016-09-07T21:41:56.88 0.3 undecidable manual S 128 19.5693 117 0.16 72
IV.CAMP.HHZ. 2016-09-07T21:41:56.88 0.6 undecidable manual P 140 35.9418 50 0.75 39
IV.ARRO.EHZ. 2016-09-07T21:41:56.19 0.6 undecidable manual P 232 37.3293 50 -0.16 47
IV.T1246.HHE. 2016-09-07T21:41:56.16 0.1 undecidable manual P 127 37.2294 50 -0.18 93
IV.T1247.HHZ. 2016-09-07T21:41:56.85 0.6 undecidable manual P 160 40.626 50 0 48
IV.T1217.EHZ. 2016-09-07T21:41:56.46 0.6 undecidable manual S 243 17.9709 120 0.24 47
IV.MMO1.EHZ. 2016-09-07T21:41:56.73 0.3 undecidable manual S 52 20.5683 116 -0.3 70
IV.GUMA.HHZ. 2016-09-07T21:41:56.37 0.3 positive manual P 29 35.1426 50 0.36 67
IV.CESI.HHZ. 2016-09-07T21:41:55.19 0.3 undecidable manual P 323 30.3474 50 -0.09 72
IV.CSP1.EHZ. 2016-09-07T21:41:55.82 0.3 undecidable manual P 10 34.6431 50 -0.11 71
IV.MC2.EHZ. 2016-09-07T21:41:55.59 0.1 undecidable manual S 20 14.874 124 0.28 94
IV.RM33.EHZ. 2016-09-07T21:41:55.23 0.1 undecidable manual P 167 31.4463 50 -0.22 93
IV.FDMO.HHZ. 2016-09-07T21:41:54.69 0.1 undecidable manual P 353 28.0497 50 -0.23 93
IV.T1202.EHZ. 2016-09-07T21:41:54.60 0.6 undecidable manual S 139 12.0768 130 0.07 50
IV.SMA1.EHZ. 2016-09-07T21:41:54.24 0.3 undecidable manual P 135 24.0537 113 -0.06 73
IV.T1241.HHZ. 2016-09-07T21:41:54.54 0.1 undecidable manual P 72 25.9518 50 -0.05 97
XO.AM05.EHZ. 2016-09-07T21:41:54.91 0.1 undecidable manual P 41 28.1496 50 -0.02 97
IV.T1243.HHZ. 2016-09-07T21:41:54.70 0.1 undecidable manual P 110 27.9498 50 -0.2 94
IV.T1215.EHZ. 2016-09-07T21:41:53.63 0.1 undecidable manual P 275 21.1677 116 -0.14 96
IV.FEMA.HNE. 2016-09-07T21:41:53.70 0.6 undecidable manual P 342 20.6682 116 0.03 49
IV.T1217.EHZ. 2016-09-07T21:41:53.17 0.1 undecidable manual P 243 17.9709 120 -0.02 99
IV.MMO1.EHZ. 2016-09-07T21:41:53.56 0.1 positive manual P 52 20.5683 116 -0.1 97
IV.T1204.EHZ. 2016-09-07T21:41:53.61 0.1 undecidable manual P 128 19.5693 117 0.12 97
IV.LNSS.HHZ. 2016-09-07T21:41:53.66 0.1 negative manual P 199 21.4674 115 -0.16 96
IV.T1299.HNN. 2016-09-07T21:41:53.90 0.1 undecidable manual P 143 20.9679 116 0.17 96
IV.T1216.HNZ. 2016-09-07T21:41:52.39 0.3 undecidable manual P 323 14.6742 125 -0.25 71
IV.T1202.EHZ. 2016-09-07T21:41:52.24 0.1 undecidable manual P 139 12.0768 130 0.02 100
IV.MC2.EHZ. 2016-09-07T21:41:52.71 0.1 undecidable manual P 20 14.874 124 0.04 99
IV.NRCA.HHZ. 2016-09-07T21:41:50.90 0.1 negative manual P 349 5.4945 152 -0.48 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XO.AM05.EHN. ML:1.8 0.000354 1.4 AML other m 2016-09-07T21:42:01.48
XO.AM05.EHE. ML:1.8 0.00033150000000000003 0.86 AML other m 2016-09-07T21:42:01.86
IV.ARRO.EHN. ML:1.3 0.00006840000000000001 1.12 AML other m 2016-09-07T21:42:06.49
IV.ARRO.EHE. ML:1.4 0.00008510000000000001 1.3 AML other m 2016-09-07T21:42:11.49
IV.ASSB.HHN. ML:1.5 0.00008834999999999999 1.32 AML other m 2016-09-07T21:42:08.68
IV.ASSB.HHE. ML:1.5 0.00008415 1.04 AML other m 2016-09-07T21:42:07.73
IV.CAMP.HHE. ML:1.4 0.0001085 1.56 AML other m 2016-09-07T21:42:05.60
IV.CAMP.HHN. ML:1.3 0.00007879999999999999 1.42 AML other m 2016-09-07T21:42:15.81
IV.CESI.HHE. ML:1.8 0.000266 0.7 AML other m 2016-09-07T21:42:01.84
IV.CESI.HHN. ML:1.9 0.000398 0.3 AML other m 2016-09-07T21:42:01.44
IV.FDMO.HHN. ML:1.8 0.000325 0.3 AML other m 2016-09-07T21:42:00.92
IV.FDMO.HHE. ML:1.6 0.0001885 0.2 AML other m 2016-09-07T21:42:00.76
IV.GUMA.HHE. ML:2.1 0.0005315 0.46 AML other m 2016-09-07T21:42:06.31
IV.GUMA.HHN. ML:2.1 0.0005095000000000001 0.38 AML other m 2016-09-07T21:42:04.11
IV.LNSS.HHE. ML:1.9 0.0005909999999999999 1.3 AML other m 2016-09-07T21:42:00.07
IV.LNSS.HHN. ML:1.9 0.000513 0.34 AML other m 2016-09-07T21:42:00.09
IV.NRCA.HNE. ML:2.8 0.009405 0.16 AML other m 2016-09-07T21:41:52.35
IV.NRCA.HHE. ML:2.8 0.009914999999999998 0.16 AML other m 2016-09-07T21:41:52.43
IV.NRCA.HNN. ML:2.6 0.006365 0.14 AML other m 2016-09-07T21:41:52.56
IV.NRCA.HHN. ML:2.6 0.0068449999999999995 0.44 AML other m 2016-09-07T21:41:52.34
IV.RM33.EHE. ML:1.7 0.0002515 1.54 AML other m 2016-09-07T21:42:00.49
IV.RM33.EHN. ML:1.7 0.0002445 0.24 AML other m 2016-09-07T21:42:01.63
IV.SMA1.EHE. ML:1.9 0.0004955 1.58 AML other m 2016-09-07T21:42:01.13
IV.SMA1.EHN. ML:1.9 0.0004944999999999999 0.4 AML other m 2016-09-07T21:42:03.53
IV.T1202.EHN. ML:2.4 0.002727 0.22 AML other m 2016-09-07T21:41:56.06
IV.T1202.EHE. ML:2.3 0.00214 0.24 AML other m 2016-09-07T21:41:56.17
IV.T1241.HHN. ML:1.6 0.000215 1.18 AML other m 2016-09-07T21:42:01.95
IV.T1241.HHE. ML:1.7 0.00027600000000000004 1.34 AML other m 2016-09-07T21:41:59.59
IV.T1247.HHE. ML:1.8 0.00021300000000000003 1.08 AML other m 2016-09-07T21:42:04.31
IV.T1247.HHN. ML:1.8 0.0002195 1.12 AML other m 2016-09-07T21:42:03.09
IV.TERO.HHN. ML:1.7 0.00016599999999999997 0.28 AML other m 2016-09-07T21:42:04.73
IV.TERO.HHE. ML:1.6 0.00011549999999999999 0.32 AML other m 2016-09-07T21:42:06.94
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