Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 26-08-2016 and time 16:02:08 (Italy) in region 8 km E Norcia (PG)

A magnitude ML 1.3 earthquake occured in region: 8 km E Norcia (PG), on

  • 26-08-2016 14:02:08 (UTC)
  • 26-08-2016 16:02:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8060, 13.1850 at 11 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 8 4957 4957
Arquata del Tronto AP 10 1178 6135
Castelsantangelo sul Nera MC 10 281 6416
Montegallo AP 13 523 6939
Accumoli RI 13 667 7606
Preci PG 14 724 8330
Montemonaco AP 16 604 8934
Ussita MC 16 444 9378
Visso MC 16 1107 10485
Cascia PG 17 3217 13702
Acquasanta Terme AP 19 2916 16618
Montefortino FM 20 1178 17796

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
46 Km W of Teramo (54892 inhabitants)
52 Km NE of Terni (111501 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
92 Km W of Pescara (121014 inhabitants)
94 Km S of Ancona (100861 inhabitants)
95 Km NW of Chieti (51815 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km E of Viterbo (67173 inhabitants)
99 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 1.3 2016-08-26
14:02:08		 42.806 13.1852 11 2019-02-12
13:57:26		 Bollettino Sismico Italiano INGV 37400341
Reviewed
Rev100 		ML 1.4 2016-08-26
14:02:08		 42.8052 13.1803 11 2016-08-26
14:11:11		 Sala Sismica INGV-Roma 27307251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-08-26 14:02:08 ± 0.04
Latitude 42.8060 ± 0.0027
Longitude 13.1852 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 37400341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 350
Semi-minor axis of confidence ellipse (meter) 249
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 37
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) 0.02698
Epicentral distance of station farthest from the epicenter (degree) 0.48294
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 27307251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-08-26 14:11:11

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 37400341
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-12-22 11:18:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAMP.HHZ. 2016-08-26T14:02:19.88 0.6 undecidable manual S 149 35.1426 50 -0.19 46
IV.CSP1.EHZ. 2016-08-26T14:02:19.63 3.0 undecidable manual S 3 31.746 50 0.45 0
IV.CESI.HHZ. 2016-08-26T14:02:18.95 0.6 undecidable manual S 314 31.746 50 -0.22 46
IV.T1243.HHZ. 2016-08-26T14:02:17.07 0.6 undecidable manual S 119 24.6531 50 -0.21 47
IV.LNSS.HHZ. 2016-08-26T14:02:17.61 0.6 undecidable manual S 208 25.4523 50 0.12 48
IV.SNTG.HHZ. 2016-08-26T14:02:17.99 0.3 negative manual P 338 53.6019 50 0.09 69
IV.T1215.HNZ. 2016-08-26T14:02:17.45 0.6 undecidable manual S 269 25.752 50 -0.14 48
IV.FDMO.HHZ. 2016-08-26T14:02:17.69 0.6 undecidable manual S 343 26.751 50 -0.16 47
IV.TERO.HHZ. 2016-08-26T14:02:15.78 0.3 undecidable manual P 121 39.7269 50 0.03 71
IV.FEMA.HNZ. 2016-08-26T14:02:15.93 0.6 undecidable manual S 328 20.5683 50 -0.25 47
IV.T1201.HNZ. 2016-08-26T14:02:15.71 0.3 undecidable manual S 162 17.3715 122 0.46 68
IV.T1218.HNZ. 2016-08-26T14:02:15.05 0.3 undecidable manual S 201 16.1727 124 0.16 72
IV.CSP1.EHZ. 2016-08-26T14:02:14.55 1.0 negative manual P 3 31.746 50 0.02 24
IV.CESI.HHZ. 2016-08-26T14:02:14.70 0.3 negative manual P 314 31.746 50 0.17 70
IV.MC2.EHZ. 2016-08-26T14:02:14.16 0.6 undecidable manual S 1 11.6772 133 0.48 45
IV.RM33.HNZ. 2016-08-26T14:02:14.58 0.6 undecidable manual P 176 33.0447 50 -0.15 47
IV.MMO1.EHZ. 2016-08-26T14:02:14.64 0.6 undecidable manual S 48 15.4734 125 -0.07 49
IV.CAMP.HHZ. 2016-08-26T14:02:14.87 0.6 undecidable manual P 149 35.1426 50 -0.17 47
IV.GUMA.HHZ. 2016-08-26T14:02:14.83 0.3 undecidable manual P 23 30.9468 50 0.42 67
IV.T1212.HNZ. 2016-08-26T14:02:13.95 0.3 undecidable manual S 242 12.9759 130 -0.06 74
IV.T1215.HNZ. 2016-08-26T14:02:13.62 0.1 undecidable manual P 269 25.752 50 0.01 98
IV.FDMO.HHZ. 2016-08-26T14:02:13.71 0.6 undecidable manual P 343 26.751 50 -0.05 48
IV.T1243.HHZ. 2016-08-26T14:02:13.37 0.3 negative manual P 119 24.6531 50 -0.06 73
IV.T1202.EHZ. 2016-08-26T14:02:13.82 0.3 undecidable manual S 164 11.7771 132 0.11 74
IV.LNSS.HHZ. 2016-08-26T14:02:13.72 0.1 undecidable manual P 208 25.4523 50 0.17 95
IV.MMO1.EHZ. 2016-08-26T14:02:12.05 0.3 undecidable manual P 48 15.4734 125 0.1 73
IV.NRCA.HNZ. 2016-08-26T14:02:12.17 0.3 undecidable manual S 298 6.4935 149 -0.36 70
IV.T1218.HNZ. 2016-08-26T14:02:12.24 0.3 undecidable manual P 201 16.1727 124 0.18 72
IV.FEMA.HNZ. 2016-08-26T14:02:12.86 0.6 undecidable manual P 328 20.5683 50 0.06 49
IV.T1214.EHZ. 2016-08-26T14:02:12.22 0.3 undecidable manual S 160 5.4945 153 -0.14 74
IV.T1212.HNZ. 2016-08-26T14:02:11.68 0.3 undecidable manual P 242 12.9759 130 0.14 73
IV.T1242.HNZ. 2016-08-26T14:02:11.69 0.3 undecidable manual S 31 2.997 164 -0.35 71
IV.MC2.EHZ. 2016-08-26T14:02:11.62 0.6 undecidable manual P 1 11.6772 133 0.27 47
IV.T1201.HNZ. 2016-08-26T14:02:11.83 0.3 undecidable manual P 162 17.3715 122 -0.43 68
IV.T1202.EHZ. 2016-08-26T14:02:10.95 0.1 undecidable manual P 164 11.7771 132 -0.42 92
IV.T1214.EHZ. 2016-08-26T14:02:10.75 0.1 undecidable manual P 160 5.4945 153 0.16 98
IV.NRCA.HNZ. 2016-08-26T14:02:10.75 0.1 positive manual P 298 6.4935 149 0.06 100
IV.T1242.HNZ. 2016-08-26T14:02:10.42 0.3 undecidable manual P 31 2.997 164 0.01 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.8 0.0002875 0.12 AML other m 2016-08-26T14:02:37.40
IV.CESI.HHE. ML:1.2 0.0001535 0.08 AML other m 2016-08-26T14:02:37.34
IV.FDMO.HHN. ML:0.0 0.00004467794 1.12 AML other m 2016-08-26T14:02:18.51
IV.FDMO.HHE. ML:0.0 0.000031462055 1.2992 AML other m 2016-08-26T14:02:17.97
IV.LNSS.HHN. ML:1.5 0.00016450000000000001 1.86 AML other m 2016-08-26T14:02:17.97
IV.LNSS.HHE. ML:1.6 0.0002125 1.78 AML other m 2016-08-26T14:02:18.93
IV.MC2.EHN. ML:0.9 0.00011499999999999999 0.56 AML other m 2016-08-26T14:02:15.46
IV.MC2.EHE. ML:1.0 0.00009750000000000003 0.62 AML other m 2016-08-26T14:02:30.45
IV.MMO1.EHE. ML:0.9 0.000073040785 1.3824 AML other m 2016-08-26T14:02:14.98
IV.MMO1.EHN. ML:1.2 0.00015127235 1.4464 AML other m 2016-08-26T14:02:14.86
IV.NRCA.HHE. ML:0.0 0.0024699999999999995 0.08 AML other m 2016-08-26T14:02:12.31
IV.T1243.HNE. ML:1.6 0.00023179449999999996 0.1728 AML other m 2016-08-26T14:02:17.99
IV.T1243.HHN. ML:1.4 0.00014427235 1.28 AML other m 2016-08-26T14:02:18.43
IV.T1243.HHE. ML:1.5 0.0004605 0.74 AML other m 2016-08-26T14:02:34.60
IV.T1243.HNN. ML:1.5 0.00019361920000000003 1.2672 AML other m 2016-08-26T14:02:18.42
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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