Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 07-09-2019 and time 15:34:08 (Italy) in region 4 km E Norcia (PG)

A magnitude ML 1.4 earthquake occured in region: 4 km E Norcia (PG), on

  • 07-09-2019 13:34:08 (UTC)
  • 07-09-2019 15:34:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8000, 13.1370 at 10 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 4 4957 4957
Castelsantangelo sul Nera MC 11 281 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 17 523 13098
Cerreto di Spoleto PG 18 1075 14173
Montemonaco AP 19 604 14777
Poggiodomo PG 19 117 14894
Sellano PG 20 1079 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
49 Km W of Teramo (54892 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
70 Km E of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km W of Pescara (121014 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 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
Bulletin
Rev1000 		ML 1.4 2019-09-07
13:34:08		 42.8003 13.1373 11 2020-02-28
16:41:49		 Bollettino Sismico Italiano INGV 72260041
Reviewed
Rev100 		ML 1.5 2019-09-07
13:34:08		 42.8003 13.1373 11 2019-09-07
13:42:03		 Sala Sismica INGV-Roma 72202781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-07 13:34:08 ± 0.05
Latitude 42.8003 ± 0.0027
Longitude 13.1373 ± 0.0049
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 72260041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 353
Semi-minor axis of confidence ellipse (meter) 187
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
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) 81
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.47214
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 72260041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-09 13:14:58

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 18
Type of magnitude ML
Reference to an origin 72202781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-07 13:42:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIGS.HHZ. 2019-09-07T13:34:24.73 0.3 undecidable manual S 137 52.4031 50 -0.34 66
IV.TERO.HHZ. 2019-09-07T13:34:22.08 0.3 undecidable manual S 117 42.8238 50 -0.44 66
IV.ARRO.EHZ. 2019-09-07T13:34:21.31 0.6 undecidable manual S 231 39.0276 50 -0.19 47
IV.MF5.EHZ. 2019-09-07T13:34:20.79 0.3 undecidable manual S 51 33.4443 50 0.77 59
IV.RM33.EHZ. 2019-09-07T13:34:19.74 0.3 undecidable manual S 169 32.9448 50 -0.14 71
IV.CSP1.EHZ. 2019-09-07T13:34:19.91 0.3 undecidable manual S 10 32.8449 50 0.07 72
IV.CESI.HHZ. 2019-09-07T13:34:18.75 0.3 undecidable manual S 320 29.5482 50 -0.22 70
IV.FDMO.HHZ. 2019-09-07T13:34:18.01 0.3 undecidable manual S 351 26.5512 50 -0.15 72
IV.GAVE.EHZ. 2019-09-07T13:34:17.21 0.3 undecidable manual S 239 23.1546 50 -0.06 74
IV.SMA1.EHE. 2019-09-07T13:34:17.47 0.3 undecidable manual S 139 24.753 50 -0.24 71
IV.GIGS.HHZ. 2019-09-07T13:34:17.86 0.3 undecidable manual P 137 52.4031 50 -0.21 68
IT.MTCL.HGE. 2019-09-07T13:34:17.26 0.3 undecidable manual S 332 24.2535 50 -0.29 70
IV.LNSS.HHZ. 2019-09-07T13:34:17.22 0.3 undecidable manual S 200 23.2545 50 -0.08 73
IV.T1299.EHE. 2019-09-07T13:34:17.12 0.3 undecidable manual S 147 21.867 116 0.21 71
IV.FEMA.HNE. 2019-09-07T13:34:16.00 0.3 undecidable manual S 338 19.2696 118 -0.11 73
IV.MTRA.EHZ. 2019-09-07T13:34:16.47 0.3 undecidable manual S 103 21.6672 116 -0.37 69
IV.ARRO.EHZ. 2019-09-07T13:34:16.43 0.1 undecidable manual P 231 39.0276 50 0.43 88
IV.TERO.HHZ. 2019-09-07T13:34:16.72 0.1 undecidable manual P 117 42.8238 50 0.13 93
IV.MMO1.EHZ. 2019-09-07T13:34:15.76 0.3 undecidable manual S 54 18.9699 119 -0.23 72
IV.CSP1.EHZ. 2019-09-07T13:34:15.04 0.1 undecidable manual P 10 32.8449 50 -0.01 98
IV.MF5.EHZ. 2019-09-07T13:34:15.60 0.1 undecidable manual P 51 33.4443 50 0.46 89
IV.FDMO.HHZ. 2019-09-07T13:34:14.01 0.1 undecidable manual P 351 26.5512 50 -0.06 97
IV.SMA1.EHE. 2019-09-07T13:34:14.30 0.3 undecidable manual P 139 24.753 50 0.49 67
IV.CESI.HHZ. 2019-09-07T13:34:14.62 0.1 undecidable manual P 320 29.5482 50 0.08 97
IV.RM33.EHZ. 2019-09-07T13:34:14.97 0.1 undecidable manual P 169 32.9448 50 -0.09 96
IV.T1299.EHE. 2019-09-07T13:34:13.57 0.1 undecidable manual P 147 21.867 116 0.22 95
IV.GAVE.EHZ. 2019-09-07T13:34:13.65 0.1 undecidable manual P 239 23.1546 50 0.09 98
IT.MTCL.HGE. 2019-09-07T13:34:13.65 0.1 undecidable manual P 332 24.2535 50 -0.08 98
IV.MTRA.EHZ. 2019-09-07T13:34:13.30 0.1 undecidable manual P 103 21.6672 116 -0.01 99
IV.LNSS.HHZ. 2019-09-07T13:34:13.66 0.1 undecidable manual P 200 23.2545 50 0.08 98
IV.MMO1.EHZ. 2019-09-07T13:34:12.83 0.1 undecidable manual P 54 18.9699 119 0 100
IV.FEMA.HNE. 2019-09-07T13:34:12.96 0.1 undecidable manual P 338 19.2696 118 0.07 99
IV.NRCA.HNZ. 2019-09-07T13:34:12.11 0.3 undecidable manual S 333 4.0959 158 -0.29 73
IV.NRCA.HNZ. 2019-09-07T13:34:10.91 0.1 undecidable manual P 333 4.0959 158 0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.3 0.000134 0.24 AML other m 2019-09-07T13:34:17.01
IV.LNSS.HHN. ML:1.8 0.0004335 0.36 AML other m 2019-09-07T13:34:17.77
IV.GAVE.EHN. ML:1.6 0.0002525 0.3 AML other m 2019-09-07T13:34:17.80
IV.LNSS.HHE. ML:1.9 0.0004915000000000001 1.66 AML other m 2019-09-07T13:34:18.08
IV.MTRA.EHE. ML:1.4 0.0001515 0.22 AML other m 2019-09-07T13:34:18.32
IV.GAVE.EHE. ML:1.5 0.000221 0.2 AML other m 2019-09-07T13:34:18.45
IV.FDMO.HHN. ML:1.0 0.00006115 0.26 AML other m 2019-09-07T13:34:19.07
IV.FDMO.HHE. ML:1.0 0.0000546 0.7 AML other m 2019-09-07T13:34:19.28
IV.CESI.HHN. ML:1.7 0.000249 0.54 AML other m 2019-09-07T13:34:19.47
IV.CESI.HHE. ML:1.5 0.000169 0.48 AML other m 2019-09-07T13:34:19.55
IV.RM33.EHN. ML:1.1 0.00004895 0.9 AML other m 2019-09-07T13:34:20.52
IV.RM33.EHE. ML:1.1 0.000050549999999999995 0.62 AML other m 2019-09-07T13:34:21.13
IV.TERO.HHN. ML:1.2 0.00005365 1.66 AML other m 2019-09-07T13:34:22.01
IV.TERO.HHE. ML:1.2 0.00004385 1.9 AML other m 2019-09-07T13:34:23.97
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