Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 17-10-2016 and time 12:42:51 (UTC) in region 6 km E Norcia (PG)

A magnitude ML 0.7 earthquake occured in region: 6 km E Norcia (PG), on

  • 17-10-2016 12:42:51 (UTC)
  • 17-10-2016 14:42:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7920, 13.1720 at 13 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 6 4957 4957
Arquata del Tronto AP 10 1178 6135
Castelsantangelo sul Nera MC 12 281 6416
Accumoli RI 12 667 7083
Montegallo AP 14 523 7606
Preci PG 15 724 8330
Cascia PG 15 3217 11547
Visso MC 17 1107 12654
Ussita MC 17 444 13098
Montemonaco AP 18 604 13702
Cittareale RI 19 482 14184
Acquasanta Terme AP 20 2916 17100

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
46 Km W of Teramo (54892 inhabitants)
50 Km NE of Terni (111501 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
93 Km W of Pescara (121014 inhabitants)
95 Km NW of Chieti (51815 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
97 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
Reviewed
Rev100 		ML 0.7 2016-10-17
12:42:51		 42.7923 13.1723 13 2016-10-17
13:07:49		 Sala Sismica INGV-Roma 30300641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-17 12:42:51 ± 0.07
Latitude 42.7923 ± 0.0036
Longitude 13.1723 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 30300641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 316
Semi-minor axis of confidence ellipse (meter) 267
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 231
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.05936
Epicentral distance of station farthest from the epicenter (degree) 0.35973
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 30300641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-17 13:07:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2016-10-17T12:43:04.85 0.6 undecidable manual S 118 39.9267 95 -0.15 46
IV.LNSS.HHZ. 2016-10-17T12:43:00.71 0.6 undecidable manual S 207 23.5542 102 0.02 49
IV.T1217.EHZ. 2016-10-17T12:43:00.03 0.6 undecidable manual S 246 21.5673 104 -0.13 48
IV.T1243.HHZ. 2016-10-17T12:43:00.66 0.6 undecidable manual S 115 24.8529 101 -0.36 45
IV.T1215.EHZ. 2016-10-17T12:43:00.71 0.6 undecidable manual S 273 24.753 101 -0.28 46
IV.TERO.HHZ. 2016-10-17T12:42:59.25 0.6 undecidable manual P 118 39.9267 95 -0.2 45
IV.T1201.HNZ. 2016-10-17T12:42:59.06 0.6 undecidable manual S 157 16.2726 114 0.23 48
IV.T1204.EHZ. 2016-10-17T12:42:58.97 0.6 undecidable manual S 138 17.4714 111 -0.15 48
IV.MC2.EHZ. 2016-10-17T12:42:58.37 0.6 undecidable manual S 6 13.2756 122 0.25 47
IV.T1216.EHZ. 2016-10-17T12:42:58.62 0.6 undecidable manual S 311 16.5723 113 -0.28 47
IV.MMO1.EHZ. 2016-10-17T12:42:58.96 0.6 undecidable manual S 47 17.2716 111 -0.11 48
IV.T1202.EHZ. 2016-10-17T12:42:57.73 0.6 undecidable manual S 156 10.7781 130 0.16 49
IV.T1215.EHZ. 2016-10-17T12:42:57.24 0.3 undecidable manual P 273 24.753 101 0.1 72
IV.LNSS.HHZ. 2016-10-17T12:42:57.26 0.6 undecidable manual P 207 23.5542 102 0.3 46
IV.T1243.HHZ. 2016-10-17T12:42:56.98 0.1 positive manual P 115 24.8529 101 -0.17 94
IV.MMO1.EHZ. 2016-10-17T12:42:56.05 0.1 positive manual P 47 17.2716 111 0.02 99
IV.T1201.HNZ. 2016-10-17T12:42:56.15 0.1 negative manual P 157 16.2726 114 0.26 95
IV.T1204.EHZ. 2016-10-17T12:42:56.06 0.1 undecidable manual P 138 17.4714 111 0.01 98
IV.NRCA.HHZ. 2016-10-17T12:42:56.38 0.6 undecidable manual S 314 6.5934 147 -0.46 46
IV.T1217.EHZ. 2016-10-17T12:42:56.66 0.3 undecidable manual P 246 21.5673 104 0 74
IV.T1245.HHZ. 2016-10-17T12:42:56.78 0.6 undecidable manual S 10 7.2927 144 -0.15 49
IV.T1216.EHZ. 2016-10-17T12:42:55.89 0.3 undecidable manual P 311 16.5723 113 -0.04 74
IV.T1202.EHZ. 2016-10-17T12:42:55.33 0.1 undecidable manual P 156 10.7781 130 0.17 97
IV.MC2.EHZ. 2016-10-17T12:42:55.69 0.1 undecidable manual P 6 13.2756 122 0.22 95
IV.NRCA.HHZ. 2016-10-17T12:42:54.68 0.1 negative manual P 314 6.5934 147 -0.06 100
IV.T1245.HHZ. 2016-10-17T12:42:54.87 0.1 positive manual P 10 7.2927 144 0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:0.7 0.000031146315 0.4224 AML other m 2016-10-17T12:43:00.95
IV.T1215.EHN. ML:0.6 0.000022008999999999945 0.1472 AML other m 2016-10-17T12:43:01.17
IV.T1215.EHE. ML:0.4 0.000014662200000000014 0.096 AML other m 2016-10-17T12:43:01.00
IV.T1216.EHN. ML:0.6 0.000035244300000000004 0.128 AML other m 2016-10-17T12:42:58.86
IV.T1217.EHN. ML:0.7 0.00002869155000000001 0.1088 AML other m 2016-10-17T12:43:00.19
IV.T1245.HHN. ML:1.4 0.00027350000000000003 0.14 AML other m 2016-10-17T12:42:57.23
IV.T1245.HHE. ML:1.6 0.0004235 0.14 AML other m 2016-10-17T12:42:57.00
IV.TERO.HHE. ML:0.6 0.00001257179 0.1024 AML other m 2016-10-17T12:43:05.17
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