Earthquake with magnitude of ML 1.1 on date 29-08-2017 and time 07:59:42 (Italy) in region 4 km NE Norcia (PG)

A magnitude ML 1.1 earthquake occured in region: 4 km NE Norcia (PG), on

  • 29-08-2017 05:59:42 (UTC)
  • 29-08-2017 07:59:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8090, 13.1310 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.

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
Castelsantangelo sul Nera MC 10 281 5238
Preci PG 11 724 5962
Cascia PG 14 3217 9179
Visso MC 14 1107 10286
Arquata del Tronto AP 14 1178 11464
Ussita MC 15 444 11908
Accumoli RI 16 667 12575
Montegallo AP 17 523 13098
Cerreto di Spoleto PG 18 1075 14173
Sellano PG 19 1079 15252
Montemonaco AP 19 604 15856
Poggiodomo PG 19 117 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km W of Pescara (121014 inhabitants)
98 Km N of Tivoli (56533 inhabitants)
99 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 1.1 2017-08-29
05:59:42
42.8092 13.1313 10 2017-08-29
06:06:06
Sala Sismica INGV-Roma 49470751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-08-29 05:59:42 ± 0.03
Latitude 42.8092 ± 0.0018
Longitude 13.1313 ± 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 49470751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 188
Semi-minor axis of confidence ellipse (meter) 112
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 190.0
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.07554
Epicentral distance of station farthest from the epicenter (degree) 0.39390
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:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 49470751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-08-29 06:06:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2017-08-29T05:59:56.37 0.6 undecidable manual S 118 43.7229 50 -0.29 45
IV.T1211.EHZ. 2017-08-29T05:59:55.44 0.6 undecidable manual S 216 38.0286 50 0.3 45
IV.CSP1.EHZ. 2017-08-29T05:59:53.58 0.6 undecidable manual S 11 31.9458 50 0.07 48
IV.CESI.HHZ. 2017-08-29T05:59:52.47 0.6 undecidable manual S 320 28.4493 50 -0.12 48
IV.T1219.EHZ. 2017-08-29T05:59:52.78 0.6 undecidable manual S 339 29.2485 50 -0.01 49
IV.FDMO.HHZ. 2017-08-29T05:59:51.44 0.6 undecidable manual S 352 25.4523 111 -0.22 47
IV.T1256.HHZ. 2017-08-29T05:59:50.98 0.6 undecidable manual S 19 23.1546 113 0.06 49
IV.MTRA.EHZ. 2017-08-29T05:59:50.56 0.6 undecidable manual S 105 22.3554 113 -0.1 48
IV.TERO.HHZ. 2017-08-29T05:59:50.53 0.3 positive manual P 118 43.7229 50 -0.02 71
IV.T1221.EHZ. 2017-08-29T05:59:50.93 0.6 undecidable manual S 284 23.8539 112 -0.2 47
IV.MMO1.EHZ. 2017-08-29T05:59:49.53 0.6 undecidable manual S 58 18.7701 117 0 50
IV.T1211.EHZ. 2017-08-29T05:59:49.75 1.0 undecidable manual P 216 38.0286 50 0.07 24
IV.T1219.EHZ. 2017-08-29T05:59:48.28 0.1 undecidable manual P 339 29.2485 50 -0.04 97
IV.CSP1.EHZ. 2017-08-29T05:59:48.75 0.1 undecidable manual P 11 31.9458 50 0.02 97
IV.CESI.HHZ. 2017-08-29T05:59:48.18 0.1 undecidable manual P 320 28.4493 50 -0.02 97
IV.T1218.EHZ. 2017-08-29T05:59:48.42 0.6 undecidable manual S 185 15.4734 122 -0.12 49
IV.MTRA.EHZ. 2017-08-29T05:59:47.00 0.1 undecidable manual P 105 22.3554 113 -0.09 97
IV.T1221.EHZ. 2017-08-29T05:59:47.33 0.1 undecidable manual P 284 23.8539 112 -0.03 98
IV.FDMO.HHZ. 2017-08-29T05:59:47.64 0.1 undecidable manual P 352 25.4523 111 -0.02 98
IV.T1216.EHZ. 2017-08-29T05:59:47.73 0.6 undecidable manual S 315 12.876 127 -0.05 50
IV.T1256.HHZ. 2017-08-29T05:59:47.42 0.1 undecidable manual P 19 23.1546 113 0.18 95
IV.T1214.EHZ. 2017-08-29T05:59:46.51 0.6 undecidable manual S 131 8.3805 139 -0.13 49
IV.MMO1.EHZ. 2017-08-29T05:59:46.51 0.1 undecidable manual P 58 18.7701 117 0.07 98
IV.T1216.EHZ. 2017-08-29T05:59:45.52 0.1 undecidable manual P 315 12.876 127 0.09 99
IV.T1218.EHZ. 2017-08-29T05:59:45.87 0.1 undecidable manual P 185 15.4734 122 0 100
IV.T1214.EHZ. 2017-08-29T05:59:44.97 0.1 negative manual P 131 8.3805 139 0.21 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1214.EHN. ML:1.2 0.00025550000000000003 0.52 AML other m 2017-08-29T05:59:46.84
IV.T1214.EHE. ML:1.4 0.0003865 1.14 AML other m 2017-08-29T05:59:46.75
IV.T1216.EHE. ML:1.0 0.0001211 0.78 AML other m 2017-08-29T05:59:48.57
IV.T1218.EHE. ML:1.0 0.00010314999999999999 0.54 AML other m 2017-08-29T05:59:48.94
IV.T1218.EHN. ML:1.2 0.00016205 0.54 AML other m 2017-08-29T05:59:48.70
IV.T1216.EHN. ML:1.2 0.000163 0.7 AML other m 2017-08-29T05:59:49.35
IV.MTRA.EHE. ML:1.4 0.000167 0.76 AML other m 2017-08-29T05:59:50.65
IV.T1256.HHN. ML:1.0 0.00005885 0.76 AML other m 2017-08-29T05:59:51.10
IV.MTRA.EHN. ML:1.4 0.0001575 0.62 AML other m 2017-08-29T05:59:51.93
IV.T1256.HHE. ML:1.1 0.00008099999999999999 0.46 AML other m 2017-08-29T05:59:51.88
IV.FDMO.HHN. ML:0.9 0.0000461 0.3 AML other m 2017-08-29T05:59:51.86
IV.FDMO.HHE. ML:0.8 0.000041599999999999995 1.16 AML other m 2017-08-29T05:59:54.19
IV.TERO.HHN. ML:1.0 0.0000285 1.52 AML other m 2017-08-29T05:59:58.09
IV.TERO.HHE. ML:1.0 0.000032600000000000006 0.96 AML other m 2017-08-29T05:59:59.07
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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