Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 30-08-2016 and time 12:31:58 (UTC) in region 6 km NE Norcia (PG)

A magnitude ML 2.0 earthquake occured in region: 6 km NE Norcia (PG), on

  • 30-08-2016 12:31:58 (UTC)
  • 30-08-2016 14:31:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8280, 13.1490 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 6 4957 4957
Castelsantangelo sul Nera MC 8 281 5238
Preci PG 11 724 5962
Visso MC 13 1107 7069
Ussita MC 13 444 7513
Arquata del Tronto AP 14 1178 8691
Montegallo AP 15 523 9214
Cascia PG 16 3217 12431
Montemonaco AP 17 604 13035
Accumoli RI 17 667 13702
Cerreto di Spoleto PG 19 1075 14777
Sellano PG 19 1079 15856
Bolognola MC 20 142 15998

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
49 Km W of Teramo (54892 inhabitants)
51 Km NE of Terni (111501 inhabitants)
57 Km NW of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
93 Km SW of Ancona (100861 inhabitants)
96 Km W of Pescara (121014 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km NW of Chieti (51815 inhabitants)
100 Km N 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 2.0 2016-08-30
12:31:58		 42.8283 13.149 10 2016-08-30
12:37:47		 Sala Sismica INGV-Roma 27718131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-08-30 12:31:58 ± 0.06
Latitude 42.8283 ± 0.0036
Longitude 13.1490 ± 0.0049
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 27718131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 477
Semi-minor axis of confidence ellipse (meter) 283
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 54
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
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) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.02608
Epicentral distance of station farthest from the epicenter (degree) 0.32286
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:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 27718131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-08-30 12:37:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2016-08-30T12:32:11.25 0.3 undecidable manual S 171 35.8419 50 0.1 71
IV.LNSS.HHN. 2016-08-30T12:32:08.54 0.6 undecidable manual S 200 26.5512 50 -0.13 48
IV.T1243.HHZ. 2016-08-30T12:32:08.48 0.6 undecidable manual S 121 28.4493 50 -0.69 41
IV.CESI.HHZ. 2016-08-30T12:32:08.95 0.3 undecidable manual S 315 27.8499 50 -0.08 72
IV.FDMO.HHZ. 2016-08-30T12:32:07.68 0.3 undecidable manual S 348 23.6541 113 -0.16 72
IV.T1241.HHZ. 2016-08-30T12:32:07.58 0.3 undecidable manual S 82 23.1546 114 -0.11 72
IV.RM33.EHZ. 2016-08-30T12:32:06.02 0.1 undecidable manual P 171 35.8419 50 0.04 96
IV.T1202.EHZ. 2016-08-30T12:32:05.39 0.3 undecidable manual S 156 15.1737 124 0.15 73
IV.T1244.HNZ. 2016-08-30T12:32:05.42 0.3 undecidable manual S 123 14.4744 125 0.38 70
IV.MMO1.EHZ. 2016-08-30T12:32:05.57 0.3 undecidable manual S 61 16.4724 122 -0.06 74
IV.FEMA.HNN. 2016-08-30T12:32:05.83 0.3 undecidable manual S 332 16.872 121 0.08 74
IV.T1241.HHZ. 2016-08-30T12:32:04.01 0.1 positive manual P 82 23.1546 114 0.03 98
IV.LNSS.HHN. 2016-08-30T12:32:04.51 0.3 undecidable manual P 200 26.5512 50 -0.03 73
IV.FDMO.HHZ. 2016-08-30T12:32:04.12 0.3 positive manual P 348 23.6541 113 0.05 73
IV.T1243.HHZ. 2016-08-30T12:32:04.68 0.1 positive manual P 121 28.4493 50 -0.16 95
IV.CESI.HHZ. 2016-08-30T12:32:04.85 0.1 positive manual P 315 27.8499 50 0.09 96
IV.FEMA.HNN. 2016-08-30T12:32:03.08 0.1 undecidable manual P 332 16.872 121 0.21 96
IV.MC2.EHN. 2016-08-30T12:32:03.97 0.3 undecidable manual S 19 9.7791 136 0.16 73
IV.T1242.HNE. 2016-08-30T12:32:02.25 0.3 undecidable manual S 89 4.4955 156 -0.52 68
IV.T1202.EHZ. 2016-08-30T12:32:02.81 0.3 undecidable manual P 156 15.1737 124 0.24 72
IV.T1244.HNZ. 2016-08-30T12:32:02.78 0.6 negative manual P 123 14.4744 125 0.32 47
IV.MC2.EHN. 2016-08-30T12:32:02.08 0.3 undecidable manual P 19 9.7791 136 0.34 71
IV.MMO1.EHZ. 2016-08-30T12:32:02.91 0.1 positive manual P 61 16.4724 122 0.12 98
IV.T1242.HNE. 2016-08-30T12:32:01.04 0.1 undecidable manual P 89 4.4955 156 -0.1 100
IV.NRCA.HHZ. 2016-08-30T12:32:01.95 0.3 undecidable manual S 282 2.8971 164 -0.62 66
IV.NRCA.HHZ. 2016-08-30T12:32:01.05 0.3 undecidable manual P 282 2.8971 164 0.02 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:2.2 0.000767 0.6 AML other m 2016-08-30T12:32:09.54
IV.CESI.HHN. ML:2.3 0.0011099999999999999 0.54 AML other m 2016-08-30T12:32:09.80
IV.FDMO.HHE. ML:1.8 0.0004265 1.44 AML other m 2016-08-30T12:32:08.69
IV.FDMO.HHN. ML:1.8 0.0004385 1.04 AML other m 2016-08-30T12:32:09.85
IV.RM33.EHN. ML:1.6 0.000155 1.42 AML other m 2016-08-30T12:32:12.54
IV.RM33.EHE. ML:1.6 0.000161 1 AML other m 2016-08-30T12:32:14.14
IV.T1241.HHE. ML:2.0 0.0006515 0.28 AML other m 2016-08-30T12:32:07.91
IV.T1241.HHN. ML:1.8 0.0004325 0.92 AML other m 2016-08-30T12:32:08.91
IV.T1244.HNE. ML:2.2 0.00152 0.18 AML other m 2016-08-30T12:32:05.90
IV.T1244.EHE. ML:2.2 0.001515 0.18 AML other m 2016-08-30T12:32:05.91
IV.T1244.HNN. ML:2.2 0.0014 0.86 AML other m 2016-08-30T12:32:07.84
IV.T1244.EHN. ML:2.1 0.0013945000000000001 0.86 AML other m 2016-08-30T12:32:07.85
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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