Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 07-09-2019 and time 04:09:34 (Italy) in region 4 km E Norcia (PG)

A magnitude ML 0.9 earthquake occured in region: 4 km E Norcia (PG), on

  • 07-09-2019 02:09:34 (UTC)
  • 07-09-2019 04:09:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8080, 13.1420 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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
Visso MC 14 1107 11464
Accumoli RI 15 667 12131
Ussita MC 15 444 12575
Montegallo AP 16 523 13098
Montemonaco AP 18 604 13702
Cerreto di Spoleto PG 18 1075 14777
Sellano PG 20 1079 15856
Poggiodomo PG 20 117 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
49 Km NE of Terni (111501 inhabitants)
49 Km W of Teramo (54892 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
70 Km E of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
96 Km W of Pescara (121014 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 0.9 2019-09-07
02:09:34		 42.8078 13.142 11 2019-09-07
02:17:26		 Sala Sismica INGV-Roma 72192641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-07 02:09:34 ± 0.05
Latitude 42.8078 ± 0.0027
Longitude 13.1420 ± 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 72192641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 303
Semi-minor axis of confidence ellipse (meter) 280
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 37
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.03238
Epicentral distance of station farthest from the epicenter (degree) 0.41908
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 72192641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-07 02:17:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHE. 2019-09-07T02:09:49.92 0.3 undecidable manual S 270 46.5201 50 0.62 60
IV.TERO.HHZ. 2019-09-07T02:09:48.12 0.1 undecidable manual S 118 42.9237 50 -0.19 91
IV.CSP1.EHZ. 2019-09-07T02:09:45.52 0.1 undecidable manual S 9 31.9458 50 0.13 94
IV.GAVE.EHZ. 2019-09-07T02:09:43.04 0.1 undecidable manual S 238 23.9538 50 -0.22 94
IV.MOMA.HHE. 2019-09-07T02:09:43.35 0.3 undecidable manual P 270 46.5201 50 0.38 65
IV.LNSS.HHZ. 2019-09-07T02:09:43.28 0.1 undecidable manual S 200 24.1536 50 -0.05 97
IV.FDMO.HHZ. 2019-09-07T02:09:43.55 0.1 undecidable manual S 350 25.752 50 -0.2 94
IV.T1299.EHE. 2019-09-07T02:09:43.04 0.1 undecidable manual S 149 22.3554 50 0.19 94
IV.SMA1.EHZ. 2019-09-07T02:09:43.38 0.1 undecidable manual S 141 25.1526 50 -0.22 93
IV.MTRA.EHE. 2019-09-07T02:09:42.56 0.3 undecidable manual S 105 21.4674 50 -0.05 73
IV.TERO.HHZ. 2019-09-07T02:09:42.41 0.1 undecidable manual P 118 42.9237 50 0.01 94
IT.MTCL.HGE. 2019-09-07T02:09:42.83 0.3 undecidable manual S 331 23.6541 50 -0.36 68
IV.FEMA.HNE. 2019-09-07T02:09:41.68 0.3 undecidable manual S 336 18.6702 120 -0.11 72
IV.MMO1.EHZ. 2019-09-07T02:09:41.67 0.1 undecidable manual S 56 18.1707 120 0.05 98
IV.CSP1.EHZ. 2019-09-07T02:09:40.79 0.1 undecidable manual P 9 31.9458 50 0.08 95
IV.MC2.EHZ. 2019-09-07T02:09:40.15 0.1 undecidable manual S 18 12.0768 131 0.23 95
IV.FDMO.HHZ. 2019-09-07T02:09:39.71 0.1 undecidable manual P 350 25.752 50 -0.05 96
IV.T1299.EHE. 2019-09-07T02:09:39.38 0.1 undecidable manual P 149 22.3554 50 0.14 95
IV.SMA1.EHZ. 2019-09-07T02:09:39.79 0.1 undecidable manual P 141 25.1526 50 0.11 95
IT.MTCL.HGE. 2019-09-07T02:09:39.30 0.3 undecidable manual P 331 23.6541 50 -0.14 71
IV.GAVE.EHZ. 2019-09-07T02:09:39.45 0.1 undecidable manual P 238 23.9538 50 -0.03 97
IV.LNSS.HHZ. 2019-09-07T02:09:39.55 0.1 negative manual P 200 24.1536 50 0.03 97
IV.FEMA.HNE. 2019-09-07T02:09:38.65 0.3 undecidable manual P 336 18.6702 120 0.02 74
IV.MMO1.EHZ. 2019-09-07T02:09:38.57 0.1 undecidable manual P 56 18.1707 120 0.03 98
IV.MTRA.EHE. 2019-09-07T02:09:38.95 0.3 undecidable manual P 105 21.4674 50 -0.15 71
IV.MC2.EHZ. 2019-09-07T02:09:37.84 0.1 undecidable manual P 18 12.0768 131 0.28 94
IV.NRCA.HHE. 2019-09-07T02:09:37.74 0.1 undecidable manual S 322 3.5964 161 -0.49 91
IV.NRCA.HHE. 2019-09-07T02:09:36.64 0.1 undecidable manual P 322 3.5964 161 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.1 0.00007697525500000001 0.3008 AML other m 2019-09-07T02:09:44.03
IV.GAVE.EHN. ML:1.1 0.00006982835000000001 0.1792 AML other m 2019-09-07T02:09:43.40
IV.LNSS.HHE. ML:1.4 0.0001444731 0.1008 AML other m 2019-09-07T02:09:43.76
IV.LNSS.HHN. ML:1.1 0.000079507615 0.1392 AML other m 2019-09-07T02:09:43.80
IV.LNSS.HNE. ML:1.4 0.00015785670000000002 0.2096 AML other m 2019-09-07T02:09:43.76
IV.FDMO.HHE. ML:0.6 0.000019977776999999997 0.08 AML other m 2019-09-07T02:09:44.59
IV.FDMO.HHN. ML:0.7 0.000031357965000000005 0.24 AML other m 2019-09-07T02:09:44.11
IV.TERO.HHE. ML:0.7 0.000013408462 0.0592 AML other m 2019-09-07T02:09:49.32
IV.TERO.HHN. ML:0.7 0.0000142415515 0.0992 AML other m 2019-09-07T02:09:48.92
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