Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 24-09-2019 and time 04:03:10 (UTC) in region 3 km E Norcia (PG)

A magnitude ML 1.2 earthquake occured in region: 3 km E Norcia (PG), on

  • 24-09-2019 04:03:10 (UTC)
  • 24-09-2019 06:03:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8030, 13.1270 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 3 4957 4957
Castelsantangelo sul Nera MC 11 281 5238
Preci PG 11 724 5962
Cascia PG 13 3217 9179
Arquata del Tronto AP 14 1178 10357
Visso MC 15 1107 11464
Accumoli RI 16 667 12131
Ussita MC 16 444 12575
Cerreto di Spoleto PG 17 1075 13650
Montegallo AP 18 523 14173
Poggiodomo PG 19 117 14290
Sellano PG 19 1079 15369
Montemonaco AP 20 604 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)
94 Km E of Viterbo (67173 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km W of Pescara (121014 inhabitants)
97 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 1.2 2019-09-24
04:03:10		 42.8032 13.127 10 2019-09-24
04:30:24		 Sala Sismica INGV-Roma 72710051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-24 04:03:10 ± 0.05
Latitude 42.8032 ± 0.0027
Longitude 13.1270 ± 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 72710051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 349
Semi-minor axis of confidence ellipse (meter) 170
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 70
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) 84
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 29
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) 0.34714
Number of stations at which the event was observed 18
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 72710051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-24 04:30:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.COR1.EHZ. 2019-09-24T04:03:40.11 3.0 undecidable manual S -1.41 0
IV.EL6.EHZ. 2019-09-24T04:03:29.72 3.0 undecidable manual S -1.7 0
IV.APEC.HNZ. 2019-09-24T04:03:28.69 3.0 undecidable manual P 0.6 0
IV.MF5.EHZ. 2019-09-24T04:03:22.87 0.6 undecidable manual S 53 33.9438 50 1.01 36
IV.RM33.EHZ. 2019-09-24T04:03:21.61 0.6 undecidable manual S 168 33.4443 50 -0.11 48
IV.CSP1.EHZ. 2019-09-24T04:03:21.36 0.6 undecidable manual S 11 32.6451 50 -0.16 48
IV.CESI.HHZ. 2019-09-24T04:03:20.50 0.6 undecidable manual S 321 28.749 50 0.02 50
IV.FDMO.HHZ. 2019-09-24T04:03:19.53 0.6 undecidable manual S 353 26.0517 50 -0.24 48
IV.SMA1.EHZ. 2019-09-24T04:03:19.82 0.6 undecidable manual S 138 25.5522 50 0.19 48
IT.MTCL.HGE. 2019-09-24T04:03:18.77 0.6 undecidable manual S 334 23.5542 113 -0.26 48
IV.MTRA.EHE. 2019-09-24T04:03:18.43 0.6 undecidable manual S 103 22.5552 114 -0.28 47
IV.GAVE.EHZ. 2019-09-24T04:03:18.76 0.6 undecidable manual S 237 22.5552 114 0.03 50
IV.T1299.EHE. 2019-09-24T04:03:18.89 0.6 undecidable manual S 146 22.5552 114 0.16 49
IV.FEMA.HNE. 2019-09-24T04:03:17.51 0.6 undecidable manual S 340 18.6702 118 0 51
IV.MMO1.EHZ. 2019-09-24T04:03:17.48 0.3 undecidable manual S 57 19.4694 117 -0.26 72
IV.MF5.EHZ. 2019-09-24T04:03:17.14 0.1 undecidable manual P 53 33.9438 50 0.24 94
IV.ARRO.EHZ. 2019-09-24T04:03:17.65 0.3 undecidable manual P 230 38.5281 50 0.04 73
IV.CSP1.EHZ. 2019-09-24T04:03:16.60 0.1 undecidable manual P 11 32.6451 50 -0.1 97
IV.MC2.EHZ. 2019-09-24T04:03:16.24 0.6 undecidable manual S 23 12.9759 128 0.39 47
IV.RM33.EHZ. 2019-09-24T04:03:16.62 0.3 undecidable manual P 168 33.4443 50 -0.2 71
IV.CESI.HHZ. 2019-09-24T04:03:16.13 0.1 undecidable manual P 321 28.749 50 0.02 99
IV.GAVE.EHZ. 2019-09-24T04:03:15.26 0.1 undecidable manual P 237 22.5552 114 0.17 97
IV.T1299.EHE. 2019-09-24T04:03:15.12 0.1 undecidable manual P 146 22.5552 114 0.03 100
IV.FDMO.HHZ. 2019-09-24T04:03:15.53 0.1 undecidable manual P 353 26.0517 50 -0.16 97
IV.SMA1.EHZ. 2019-09-24T04:03:15.44 0.1 undecidable manual P 138 25.5522 50 -0.18 96
IT.MTCL.HGE. 2019-09-24T04:03:15.18 0.1 undecidable manual P 334 23.5542 113 -0.09 98
IV.FEMA.HNE. 2019-09-24T04:03:14.52 0.3 undecidable manual P 340 18.6702 118 0.12 74
IV.MMO1.EHZ. 2019-09-24T04:03:14.39 0.1 undecidable manual P 57 19.4694 117 -0.13 98
IV.MTRA.EHE. 2019-09-24T04:03:14.92 0.3 undecidable manual P 103 22.5552 114 -0.16 73
IV.NRCA.HNZ. 2019-09-24T04:03:13.71 0.3 undecidable manual S 343 3.4965 161 -0.14 76
IV.MC2.EHZ. 2019-09-24T04:03:13.67 0.1 positive manual P 23 12.9759 128 0.23 97
IV.NRCA.HNZ. 2019-09-24T04:03:12.46 0.1 undecidable manual P 343 3.4965 161 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:2.1 0.002306648 0.1408 AML other m 2019-09-24T04:03:13.81
IV.NRCA.HNN. ML:2.0 0.002038331 0.1504 AML other m 2019-09-24T04:03:13.81
IV.GAVE.EHE. ML:1.4 0.00016337164999999997 0.2816 AML other m 2019-09-24T04:03:19.99
IV.GAVE.EHN. ML:1.3 0.00012586665 0.1792 AML other m 2019-09-24T04:03:19.84
IV.GAVE.HNE. ML:1.4 0.00017346349999999998 0.272 AML other m 2019-09-24T04:03:19.98
IV.SMA1.EHE. ML:1.0 0.000060532225 0.24 AML other m 2019-09-24T04:03:22.79
IV.SMA1.EHN. ML:0.9 0.000047560332500000005 0.2816 AML other m 2019-09-24T04:03:22.28
IV.FDMO.HHE. ML:0.9 0.0000441823 0.1216 AML other m 2019-09-24T04:03:21.08
IV.FDMO.HHN. ML:1.1 0.000073214655 0.1408 AML other m 2019-09-24T04:03:20.18
IV.CESI.HHE. ML:1.0 0.000055972370000000004 0.1184 AML other m 2019-09-24T04:03:20.61
IV.CESI.HHN. ML:1.1 0.000069165705 0.1792 AML other m 2019-09-24T04:03:20.86
IV.CSP1.EHE. ML:1.1 0.000049677555 0.1376 AML other m 2019-09-24T04:03:22.51
IV.CSP1.EHN. ML:1.0 0.000047446509999999994 0.32 AML other m 2019-09-24T04:03:23.14
IV.RM33.EHN. ML:0.8 0.000024130195 0.1024 AML other m 2019-09-24T04:03:22.99
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