Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 15-09-2019 and time 17:47:59 (Italy) in region 2 km NE Norcia (PG)

A magnitude ML 1.2 earthquake occured in region: 2 km NE Norcia (PG), on

  • 15-09-2019 15:47:59 (UTC)
  • 15-09-2019 17:47:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8090, 13.1130 at 11 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 2 4957 4957
Preci PG 10 724 5681
Castelsantangelo sul Nera MC 10 281 5962
Cascia PG 13 3217 9179
Visso MC 14 1107 10286
Ussita MC 15 444 10730
Arquata del Tronto AP 16 1178 11908
Cerreto di Spoleto PG 16 1075 12983
Accumoli RI 17 667 13650
Sellano PG 18 1079 14729
Poggiodomo PG 18 117 14846
Montegallo AP 18 523 15369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
98 Km W of Pescara (121014 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 1.2 2019-09-15
15:47:59		 42.8087 13.1132 11 2019-09-15
15:56:11		 Sala Sismica INGV-Roma 72435751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-15 15:47:59 ± 0.05
Latitude 42.8087 ± 0.0027
Longitude 13.1132 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 72435751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 275
Semi-minor axis of confidence ellipse (meter) 258
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 46
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 44
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.02518
Epicentral distance of station farthest from the epicenter (degree) 0.40649
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 72435751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-15 15:56:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2019-09-15T15:48:14.18 0.3 undecidable manual S 270 44.2224 50 0.64 61
IV.ASSB.HHZ. 2019-09-15T15:48:13.78 0.6 undecidable manual S 305 45.1215 50 0 47
IV.TERO.HHZ. 2019-09-15T15:48:13.77 0.6 undecidable manual S 117 45.0216 50 0.02 47
IV.RM33.EHZ. 2019-09-15T15:48:11.03 0.3 undecidable manual S 166 34.2435 50 0.15 70
IV.CSP1.EHZ. 2019-09-15T15:48:10.60 0.3 undecidable manual S 13 32.2455 50 0.25 69
IV.CESI.HNZ. 2019-09-15T15:48:09.07 0.6 undecidable manual S 322 27.5502 50 -0.03 49
IV.FDMO.HHZ. 2019-09-15T15:48:08.35 0.1 undecidable manual S 355 25.3524 50 -0.16 95
IV.SMA1.EHZ. 2019-09-15T15:48:08.98 0.3 undecidable manual S 137 26.751 50 0.09 72
IV.MTRA.EHZ. 2019-09-15T15:48:08.00 0.3 undecidable manual S 104 23.754 50 -0.08 73
IV.TERO.HHZ. 2019-09-15T15:48:07.71 0.3 undecidable manual P 117 45.0216 50 0.12 70
IV.MMO1.EHZ. 2019-09-15T15:48:07.18 0.3 undecidable manual S 60 20.0688 118 0.09 73
IV.ASSB.HHZ. 2019-09-15T15:48:07.44 1.0 undecidable manual P 305 45.1215 50 -0.18 23
IV.LNSS.HHZ. 2019-09-15T15:48:07.99 0.3 undecidable manual S 195 23.5542 50 -0.04 73
IV.MOMA.HHZ. 2019-09-15T15:48:07.69 0.6 negative manual P 270 44.2224 50 0.22 46
IV.GAVE.EHZ. 2019-09-15T15:48:07.39 0.1 undecidable manual S 234 22.0668 50 -0.22 95
IV.FEMA.HNZ. 2019-09-15T15:48:06.03 0.6 undecidable manual S 343 17.7711 121 -0.37 46
IV.CSP1.EHZ. 2019-09-15T15:48:05.65 0.1 undecidable manual P 13 32.2455 50 0.01 97
IV.MC2.EHZ. 2019-09-15T15:48:05.43 0.3 undecidable manual S 28 12.9759 130 0.4 69
IV.RM33.EHZ. 2019-09-15T15:48:05.86 0.1 undecidable manual P 166 34.2435 50 -0.08 95
IV.LNSS.HHZ. 2019-09-15T15:48:04.26 0.1 undecidable manual P 195 23.5542 50 -0.04 98
IV.GAVE.EHZ. 2019-09-15T15:48:04.08 0.1 undecidable manual P 234 22.0668 50 0.02 98
IV.MTRA.EHZ. 2019-09-15T15:48:04.26 0.1 undecidable manual P 104 23.754 50 -0.06 97
IV.CESI.HNZ. 2019-09-15T15:48:04.77 0.1 undecidable manual P 322 27.5502 50 -0.15 95
IV.FDMO.HHZ. 2019-09-15T15:48:04.50 0.1 undecidable manual P 355 25.3524 50 -0.07 97
IV.SMA1.EHZ. 2019-09-15T15:48:04.73 0.1 undecidable manual P 137 26.751 50 -0.06 97
IV.FEMA.HNZ. 2019-09-15T15:48:03.25 0.1 undecidable manual P 343 17.7711 121 -0.11 98
IV.MMO1.EHZ. 2019-09-15T15:48:03.39 0.1 undecidable manual P 60 20.0688 118 -0.36 92
IV.MC2.EHZ. 2019-09-15T15:48:02.80 0.1 undecidable manual P 28 12.9759 130 0.24 96
IV.NRCA.HNZ. 2019-09-15T15:48:02.94 0.3 undecidable manual S 2 2.7972 165 -0.09 75
IV.NRCA.HNZ. 2019-09-15T15:48:01.52 0.1 undecidable manual P 2 2.7972 165 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:1.6 0.0006730000000000001 1.84 AML other m 2019-09-15T15:48:03.92
IV.NRCA.HHN. ML:1.7 0.0008065 1.86 AML other m 2019-09-15T15:48:03.93
IV.NRCA.HHE. ML:1.6 0.0007424999999999999 1.86 AML other m 2019-09-15T15:48:03.98
IV.NRCA.HNE. ML:1.6 0.000714 1.86 AML other m 2019-09-15T15:48:03.05
IV.LNSS.HHN. ML:1.4 0.0001545 0.18 AML other m 2019-09-15T15:48:08.72
IV.LNSS.HHE. ML:1.2 0.0001125 0.18 AML other m 2019-09-15T15:48:08.84
IV.FDMO.HHE. ML:1.0 0.00005465000000000001 0.2 AML other m 2019-09-15T15:48:09.38
IV.MTRA.EHN. ML:1.1 0.0000688 0.28 AML other m 2019-09-15T15:48:09.95
IV.MTRA.EHE. ML:1.2 0.00010200000000000001 0.26 AML other m 2019-09-15T15:48:09.94
IV.SMA1.EHN. ML:1.1 0.00007664999999999999 0.26 AML other m 2019-09-15T15:48:10.71
IV.FDMO.HHN. ML:0.9 0.0000471 0.22 AML other m 2019-09-15T15:48:10.88
IV.SMA1.EHE. ML:1.1 0.00006275 1.14 AML other m 2019-09-15T15:48:12.62
IV.TERO.HHE. ML:1.0 0.000030600000000000005 0.1 AML other m 2019-09-15T15:48:14.49
IV.TERO.HHN. ML:1.0 0.00003245 0.08 AML other m 2019-09-15T15:48:14.60
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