Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 30-09-2019 and time 16:46:28 (Italy) in region 6 km NE Norcia (PG)

A magnitude ML 1.3 earthquake occured in region: 6 km NE Norcia (PG), on

  • 30-09-2019 14:46:28 (UTC)
  • 30-09-2019 16:46:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8370, 13.1460 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.

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 7 4957 4957
Castelsantangelo sul Nera MC 7 281 5238
Preci PG 10 724 5962
Visso MC 12 1107 7069
Ussita MC 12 444 7513
Arquata del Tronto AP 14 1178 8691
Montegallo AP 15 523 9214
Montemonaco AP 16 604 9818
Cascia PG 17 3217 13035
Accumoli RI 18 667 13702
Sellano PG 19 1079 14781
Cerreto di Spoleto PG 19 1075 15856
Bolognola MC 19 142 15998
Montefortino FM 20 1178 17176

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
50 Km W of Teramo (54892 inhabitants)
51 Km NE of Terni (111501 inhabitants)
58 Km NW of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
92 Km SW of Ancona (100861 inhabitants)
97 Km W of Pescara (121014 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
99 Km NE of Guidonia Montecelio (88673 inhabitants)
100 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 1.3 2019-09-30
14:46:28		 42.8368 13.1462 10 2019-09-30
14:56:26		 Sala Sismica INGV-Roma 72927481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-30 14:46:28 ± 0.05
Latitude 42.8368 ± 0.0027
Longitude 13.1462 ± 0.0049
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 72927481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 408
Semi-minor axis of confidence ellipse (meter) 260
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39840
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 72927481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-30 14:56:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MDI.HHZ. 2019-09-30T14:48:23.97 3.0 undecidable manual Sg 11.86 0
IV.MBAL.EHZ. 2019-09-30T14:48:09.82 3.0 undecidable manual Sg 10.28 0
CR.STON.BHZ. 2019-09-30T14:48:07.20 3.0 undecidable manual Sg 15.79 0
GU.PCP.HHZ. 2019-09-30T14:47:59.67 3.0 undecidable manual Sn -8.61 0
AC.KBN.HHZ. 2019-09-30T14:47:57.24 3.0 undecidable manual Pn 7.66 0
IV.LINA.HHZ. 2019-09-30T14:47:48.66 3.0 undecidable manual Pn -9.99 0
IV.MGR.HHZ. 2019-09-30T14:47:42.62 3.0 undecidable manual Sg 0.31 0
IV.CORL.HHZ. 2019-09-30T14:47:41.88 3.0 positive manual Pg 10.85 0
CH.BERNI.HHZ. 2019-09-30T14:47:40.42 3.0 positive manual Pg 10.17 0
IT.FIE.HGZ. 2019-09-30T14:47:25.86 3.0 undecidable manual Sg 7.72 0
IV.CIGN.HHZ. 2019-09-30T14:47:20.50 3.0 undecidable manual Sg 13.31 0
IV.CTI.HHZ. 2019-09-30T14:47:17.74 3.0 undecidable manual Pn -1.25 0
IV.BSSO.HHZ. 2019-09-30T14:47:13.62 3.0 undecidable manual Sg 9.13 0
IV.IMOL.HNZ. 2019-09-30T14:47:02.85 3.0 negative manual Pg 5.44 0
IV.MMUR.HNZ. 2019-09-30T14:46:57.85 3.0 undecidable manual Sg 3.63 0
IT.ORP.HGZ. 2019-09-30T14:46:57.48 3.0 undecidable manual Pg 3.16 0
IV.PII.HHZ. 2019-09-30T14:46:56.13 3.0 undecidable manual Pn -3.79 0
IV.PZUN.HHZ. 2019-09-30T14:46:55.49 3.0 negative manual Pn -8.87 0
IV.LRP.EHZ. 2019-09-30T14:46:54.81 3.0 undecidable manual Sg 2.32 0
IV.RIBO.EHZ.01 2019-09-30T14:46:52.45 3.0 negative manual Pg 1.51 0
IV.PTRJ.HNZ. 2019-09-30T14:46:48.28 3.0 undecidable manual Pg 0.18 0
IV.EL6.EHZ. 2019-09-30T14:46:46.55 3.0 undecidable manual Sn -4.66 0
IV.VVLD.HHZ. 2019-09-30T14:46:45.83 3.0 undecidable manual Sg -1.8 0
IT.VNF1.HGZ. 2019-09-30T14:46:45.15 3.0 positive manual Pg 1.18 0
IV.RM33.EHZ. 2019-09-30T14:46:40.89 0.6 undecidable manual S 171 36.8298 50 -0.09 48
IV.MF5.EHZ. 2019-09-30T14:46:39.73 0.6 undecidable manual S 57 30.4473 50 0.44 45
IV.GUMA.HHZ. 2019-09-30T14:46:39.21 0.6 undecidable manual S 31 29.3484 50 0.22 48
IV.LNSS.HHZ. 2019-09-30T14:46:38.86 0.6 undecidable manual S 198 27.3504 50 0.4 46
IV.CSP1.EHZ. 2019-09-30T14:46:38.66 0.6 undecidable manual S 10 28.6491 50 -0.15 48
IV.CESI.HHZ. 2019-09-30T14:46:38.61 0.6 undecidable manual S 314 27.0507 50 0.23 48
IV.SMA1.EHZ. 2019-09-30T14:46:38.54 0.6 undecidable manual S 146 27.5502 50 0.02 50
IV.CERT.HHZ. 2019-09-30T14:46:37.76 3.0 undecidable manual Sg -7.47 0
IV.TERO.HHZ. 2019-09-30T14:46:36.73 0.6 undecidable manual P 122 44.2224 50 -0.1 48
IT.MTCL.HGN. 2019-09-30T14:46:36.39 0.3 undecidable manual S 326 21.0678 115 -0.17 73
IV.FDMO.HHZ. 2019-09-30T14:46:36.90 0.6 undecidable manual S 348 22.6551 114 -0.15 49
IV.ARRO.EHZ. 2019-09-30T14:46:36.76 3.0 undecidable manual Sg -3.38 0
IV.RM33.EHZ. 2019-09-30T14:46:35.49 0.1 undecidable manual P 171 36.8298 50 -0.2 95
IV.CESI.HHZ. 2019-09-30T14:46:34.27 1.0 negative manual P 314 27.0507 50 0.09 25
IV.SMA1.EHZ. 2019-09-30T14:46:34.12 0.6 undecidable manual P 146 27.5502 50 -0.15 49
IV.GUMA.HHZ. 2019-09-30T14:46:34.59 0.3 negative manual P 31 29.3484 50 0.05 74
IV.MMO1.EHZ. 2019-09-30T14:46:34.66 0.6 undecidable manual S 65 16.2726 122 -0.41 47
IV.LNSS.HHZ. 2019-09-30T14:46:34.14 0.1 undecidable manual P 198 27.3504 50 -0.09 98
IV.MF5.EHZ. 2019-09-30T14:46:34.81 0.6 positive manual P 57 30.4473 50 0.1 49
IV.CSP1.EHZ. 2019-09-30T14:46:34.21 0.1 positive manual P 10 28.6491 50 -0.22 95
IV.FDMO.HHZ. 2019-09-30T14:46:33.27 0.3 undecidable manual P 348 22.6551 114 -0.15 73
IV.MC2.EHZ. 2019-09-30T14:46:33.44 0.6 undecidable manual S 23 8.9799 138 0.32 48
IT.MTCL.HGN. 2019-09-30T14:46:33.08 0.1 undecidable manual P 326 21.0678 115 -0.06 100
IV.MMO1.EHZ. 2019-09-30T14:46:32.20 0.6 negative manual P 65 16.2726 122 -0.08 50
IV.NRCA.HNZ. 2019-09-30T14:46:32.17 0.6 undecidable manual S 262 2.5974 165 0.13 51
IV.MC2.EHZ. 2019-09-30T14:46:31.40 0.1 undecidable manual P 23 8.9799 138 0.25 98
IV.NRCA.HNZ. 2019-09-30T14:46:30.84 0.6 undecidable manual P 262 2.5974 165 0.31 49
IV.SAMA.HHZ. 2019-09-30T14:46:26.89 3.0 negative manual P -9.99 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.0 0.001885 0.16 AML other m 2019-09-30T14:46:32.21
IV.NRCA.HHE. ML:2.1 0.002125 0.16 AML other m 2019-09-30T14:46:32.21
IV.NRCA.HNN. ML:1.9 0.001585 0.06 AML other m 2019-09-30T14:46:32.29
IV.NRCA.HHN. ML:2.0 0.00174 0.34 AML other m 2019-09-30T14:46:32.29
IV.FDMO.HHN. ML:1.0 0.00007195 0.14 AML other m 2019-09-30T14:46:36.92
IV.FDMO.HHE. ML:0.9 0.000049000000000000005 1.22 AML other m 2019-09-30T14:46:37.28
IV.LNSS.HHE. ML:1.3 0.00010475000000000001 0.98 AML other m 2019-09-30T14:46:39.09
IV.LNSS.HHN. ML:1.4 0.0001295 0.14 AML other m 2019-09-30T14:46:39.43
IV.GUMA.HHN. ML:1.4 0.0001155 1.6 AML other m 2019-09-30T14:46:40.81
IV.SMA1.EHN. ML:1.0 0.0000517 0.42 AML other m 2019-09-30T14:46:40.98
IV.RM33.EHN. ML:1.0 0.00003825 0.54 AML other m 2019-09-30T14:46:41.63
IV.RM33.EHE. ML:1.1 0.0000436 1.02 AML other m 2019-09-30T14:46:41.71
IV.GUMA.HHE. ML:1.4 0.0001395 0.44 AML other m 2019-09-30T14:46:42.46
IV.SMA1.EHE. ML:1.0 0.00005575 0.46 AML other m 2019-09-30T14:46:43.29
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