Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 16-09-2019 and time 06:52:02 (Italy) in region 4 km E Norcia (PG)

A magnitude ML 1.0 earthquake occured in region: 4 km E Norcia (PG), on

  • 16-09-2019 04:52:02 (UTC)
  • 16-09-2019 06:52:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8050, 13.1440 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 4 4957 4957
Castelsantangelo sul Nera MC 10 281 5238
Preci PG 12 724 5962
Arquata del Tronto AP 13 1178 7140
Cascia PG 14 3217 10357
Accumoli RI 15 667 11024
Visso MC 15 1107 12131
Ussita MC 16 444 12575
Montegallo AP 16 523 13098
Montemonaco AP 18 604 13702
Cerreto di Spoleto PG 19 1075 14777
Poggiodomo PG 20 117 14894
Sellano PG 20 1079 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
49 Km W of Teramo (54892 inhabitants)
49 Km NE of Terni (111501 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
70 Km E of Perugia (166134 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
95 Km W of Pescara (121014 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km N of Tivoli (56533 inhabitants)
98 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 1.0 2019-09-16
04:52:02		 42.8048 13.144 10 2019-09-16
05:03:07		 Sala Sismica INGV-Roma 72448501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-16 04:52:02 ± 0.06
Latitude 42.8048 ± 0.0027
Longitude 13.1440 ± 0.0037
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 72448501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 319
Semi-minor axis of confidence ellipse (meter) 54
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
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) 49
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 25
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42088
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 72448501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-16 05:03:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.HHZ. 2019-09-16T04:52:11.39 0.3 undecidable manual S 201 23.9538 112 0.11 72
IV.SMA1.EHZ. 2019-09-16T04:52:11.42 0.3 undecidable manual S 141 24.8529 111 -0.15 71
IV.FDMO.HHZ. 2019-09-16T04:52:11.76 0.6 undecidable manual S 350 26.0517 110 -0.22 47
IV.MOMA.HHZ. 2019-09-16T04:52:11.84 0.6 undecidable manual P 270 46.7199 50 0.71 39
IV.GAVE.EHZ. 2019-09-16T04:52:11.28 0.3 undecidable manual S 239 23.8539 112 0.02 73
IV.MTRA.EHZ. 2019-09-16T04:52:10.20 0.3 undecidable manual S 104 21.2676 114 -0.22 71
IT.MTCL.HGZ. 2019-09-16T04:52:10.95 0.3 undecidable manual S 331 24.0537 112 -0.36 68
IV.MF5.EHZ. 2019-09-16T04:52:09.20 3.0 undecidable manual P 0.23 0
IV.MMO1.EHZ. 2019-09-16T04:52:09.51 0.3 undecidable manual S 55 18.1707 118 0.05 74
IV.GUMA.HHZ. 2019-09-16T04:52:09.10 0.3 undecidable manual P 28 32.5452 50 0.15 70
IV.FEMA.HNZ. 2019-09-16T04:52:09.69 0.3 undecidable manual S 336 19.0698 117 -0.04 74
IV.RM33.EHZ. 2019-09-16T04:52:09.02 0.3 undecidable manual P 170 33.3444 50 -0.05 72
IV.MC2.EHZ. 2019-09-16T04:52:08.28 0.3 undecidable manual S 17 12.3765 128 0.52 67
IV.CSP1.EHZ. 2019-09-16T04:52:08.76 0.3 undecidable manual P 9 32.2455 50 -0.14 71
IV.CESI.HNZ. 2019-09-16T04:52:08.36 0.3 undecidable manual P 319 29.5482 50 -0.12 71
IV.MTRA.EHZ. 2019-09-16T04:52:07.03 0.3 undecidable manual P 104 21.2676 114 0.03 73
IV.FDMO.HHZ. 2019-09-16T04:52:07.73 0.3 undecidable manual P 350 26.0517 110 -0.17 71
IV.GAVE.EHZ. 2019-09-16T04:52:07.48 0.3 undecidable manual P 239 23.8539 112 0 74
IT.MTCL.HGZ. 2019-09-16T04:52:07.37 0.3 undecidable manual P 331 24.0537 112 -0.14 71
IV.LNSS.HHZ. 2019-09-16T04:52:07.43 0.3 undecidable manual P 201 23.9538 112 -0.07 73
IV.SMA1.EHZ. 2019-09-16T04:52:07.60 0.3 undecidable manual P 141 24.8529 111 -0.06 73
IV.FEMA.HNZ. 2019-09-16T04:52:06.54 0.3 undecidable manual P 336 19.0698 117 -0.06 73
IV.MMO1.EHZ. 2019-09-16T04:52:06.46 0.3 undecidable manual P 55 18.1707 118 0.01 74
IV.MC2.EHZ. 2019-09-16T04:52:05.76 0.3 undecidable manual P 17 12.3765 128 0.3 71
IV.NRCA.HNZ. 2019-09-16T04:52:05.86 0.1 undecidable manual S 323 3.996 157 -0.08 100
IV.NRCA.HNZ. 2019-09-16T04:52:04.60 0.1 undecidable manual P 323 3.996 157 0.19 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.0 0.0000582 0.22 AML other m 2019-09-16T04:52:12.32
IV.FDMO.HHE. ML:0.8 0.00003705 0.3 AML other m 2019-09-16T04:52:12.53
IV.SMA1.EHN. ML:0.9 0.00004675 0.22 AML other m 2019-09-16T04:52:12.74
IV.RM33.EHE. ML:0.8 0.000025349999999999996 0.14 AML other m 2019-09-16T04:52:15.69
IV.GUMA.HHE. ML:1.2 0.00006545 0.22 AML other m 2019-09-16T04:52:16.16
IV.TERO.HHN. ML:0.8 0.00002215 0.08 AML other m 2019-09-16T04:52:17.06
IV.TERO.HHE. ML:0.8 0.000017625 1.4 AML other m 2019-09-16T04:52:17.85
IV.MTRA.EHE. ML:0.8 0.000052497815000000005 0.1984 AML other m 2019-09-16T04:52:11.43
IV.MTRA.EHN. ML:1.0 0.000072686375 0.24 AML other m 2019-09-16T04:52:11.07
IV.GAVE.EHE. ML:1.2 0.0001118739 0.3392 AML other m 2019-09-16T04:52:12.22
IV.GAVE.EHN. ML:1.2 0.000091244375 0.32 AML other m 2019-09-16T04:52:12.16
IV.GAVE.HNE. ML:1.3 0.00013544044999999998 0.3808 AML other m 2019-09-16T04:52:12.40
IV.SMA1.EHE. ML:0.9 0.000051489325000000004 0.3808 AML other m 2019-09-16T04:52:14.99
IV.CSP1.EHE. ML:1.0 0.00004280445 0.1984 AML other m 2019-09-16T04:52:13.67
IV.CSP1.EHN. ML:1.0 0.000041881319999999996 0.1792 AML other m 2019-09-16T04:52:13.69
IV.RM33.EHN. ML:0.8 0.000025486470000000002 0.1184 AML other m 2019-09-16T04:52:14.88
IV.GUMA.HHN. ML:1.2 0.000064197305 0.2592 AML other m 2019-09-16T04:52:15.02
IV.MOMA.HHE. ML:0.9 0.000023876225000000002 0.2208 AML other m 2019-09-16T04:52:18.93
IV.MOMA.HHN. ML:0.6 0.00001183215 0.16 AML other m 2019-09-16T04:52:18.27
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