Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 22-09-2019 and time 04:53:33 (Italy) in region 2 km NE Norcia (PG)

A magnitude ML 1.5 earthquake occured in region: 2 km NE Norcia (PG), on

  • 22-09-2019 02:53:33 (UTC)
  • 22-09-2019 04:53:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8050, 13.1090 at 9 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 2 4957 4957
Preci PG 10 724 5681
Castelsantangelo sul Nera MC 11 281 5962
Cascia PG 12 3217 9179
Visso MC 14 1107 10286
Cerreto di Spoleto PG 16 1075 11361
Ussita MC 16 444 11805
Arquata del Tronto AP 16 1178 12983
Accumoli RI 17 667 13650
Poggiodomo PG 17 117 13767
Sellano PG 18 1079 14846
Montegallo AP 19 523 15369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
98 Km W of Pescara (121014 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 1.5 2019-09-22
02:53:33		 42.8047 13.1087 9 2020-02-28
16:41:52		 Bollettino Sismico Italiano INGV 72722381
Reviewed
Rev100 		ML 1.5 2019-09-22
02:53:33		 42.806 13.1162 10 2019-09-22
03:00:22		 Sala Sismica INGV-Roma 72645781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-22 02:53:33 ± 0.05
Latitude 42.8047 ± 0.0027
Longitude 13.1087 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 72722381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 334
Semi-minor axis of confidence ellipse (meter) 116
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 36
Number of associated phases, regardless of their use for origin computation 66
Number of defining phases 66
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.02968
Epicentral distance of station farthest from the epicenter (degree) 0.75633
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 36
Type of magnitude ML
Reference to an origin 72722381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-24 11:04:35

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 40
Type of magnitude ML
Reference to an origin 72645781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-22 03:00:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2019-09-22T02:53:58.09 0.6 undecidable manual S 350 78.0663 50 0.86 35
IV.VCEL.EHZ. 2019-09-22T02:53:57.46 0.3 undecidable manual S 127 75.0693 50 1.04 48
IV.SSFR.HHZ. 2019-09-22T02:53:57.24 0.6 undecidable manual S 339 74.8695 50 0.87 35
IV.FAGN.HHZ. 2019-09-22T02:53:56.19 0.6 undecidable manual S 147 71.2731 50 0.79 36
IV.MURB.HHZ. 2019-09-22T02:53:55.86 0.6 undecidable manual S 317 69.4749 50 0.93 34
IV.EL6.EHZ. 2019-09-22T02:53:52.05 0.1 undecidable manual S 359 58.1973 50 0.13 90
IV.FIAM.HHZ. 2019-09-22T02:53:52.25 0.1 undecidable manual S 179 59.496 50 -0.01 92
IV.OFFI.HHZ. 2019-09-22T02:53:51.56 0.6 undecidable manual S 73 49.1175 50 2.08 17
IV.ATCC.EHZ. 2019-09-22T02:53:51.97 0.3 undecidable manual S 318 56.7987 50 0.43 64
IV.SNTG.HHZ. 2019-09-22T02:53:50.22 0.3 undecidable manual S 345 51.8037 50 0.02 70
IV.MNTT.EHZ. 2019-09-22T02:53:50.47 0.3 undecidable manual S 54 48.8178 50 1.07 50
IV.GIGS.HHZ. 2019-09-22T02:53:50.47 1.0 undecidable manual S 136 54.3012 50 -0.42 21
IV.CESX.HHZ. 2019-09-22T02:53:49.31 0.6 undecidable manual S 243 47.8188 50 0.18 46
IV.MOMA.HHZ. 2019-09-22T02:53:48.07 0.3 undecidable manual S 270 43.8228 50 -0.01 71
IV.ASSB.HHZ. 2019-09-22T02:53:48.21 0.3 undecidable manual S 306 45.1215 50 -0.2 68
IV.T0110.HHZ. 2019-09-22T02:53:47.84 0.1 undecidable manual P 139 83.9493 50 -0.22 84
IV.MF5.EHZ. 2019-09-22T02:53:46.15 0.3 undecidable manual S 54 35.0427 50 0.42 66
IV.FAGN.HHZ. 2019-09-22T02:53:46.11 0.1 undecidable manual P 147 71.2731 50 0 90
IV.ARRO.EHZ. 2019-09-22T02:53:46.44 0.3 undecidable manual S 228 37.5291 50 0.05 71
IV.VCEL.EHZ. 2019-09-22T02:53:46.76 0.1 undecidable manual P 127 75.0693 50 0.06 89
IV.SSFR.HHZ. 2019-09-22T02:53:46.56 0.3 undecidable manual P 339 74.8695 50 -0.1 66
IV.ARVD.HHZ. 2019-09-22T02:53:46.97 0.1 undecidable manual P 350 78.0663 50 -0.19 86
IV.RM33.EHZ. 2019-09-22T02:53:45.11 0.1 undecidable manual S 165 33.9438 50 -0.32 91
IV.GUMA.HHZ. 2019-09-22T02:53:45.36 0.6 undecidable manual S 33 34.0437 50 -0.1 47
IV.MURB.HHZ. 2019-09-22T02:53:45.90 0.1 undecidable manual P 317 69.4749 50 0.07 89
IV.CSP1.EHZ. 2019-09-22T02:53:44.56 0.1 undecidable manual S 14 32.8449 50 -0.57 85
IV.CESI.HHZ. 2019-09-22T02:53:43.32 0.1 undecidable manual S 323 27.75 108 -0.17 94
IV.ATCC.EHZ. 2019-09-22T02:53:43.75 0.1 undecidable manual P 318 56.7987 50 -0.13 90
IV.EL6.EHZ. 2019-09-22T02:53:43.81 0.1 undecidable manual P 359 58.1973 50 -0.28 87
IV.MNTT.EHZ. 2019-09-22T02:53:43.04 0.1 undecidable manual P 54 48.8178 50 0.4 87
IV.FIAM.HHZ. 2019-09-22T02:53:43.99 0.1 undecidable manual P 179 59.496 50 -0.3 87
IV.OFFI.HHZ. 2019-09-22T02:53:43.07 0.1 undecidable manual P 73 49.1175 50 0.38 87
IV.GIGS.HHZ. 2019-09-22T02:53:42.82 0.1 undecidable manual P 136 54.3012 50 -0.68 78
IV.LNSS.HHZ. 2019-09-22T02:53:42.28 0.1 undecidable manual S 194 23.0547 111 0.32 92
IV.SNTG.HHZ. 2019-09-22T02:53:42.91 0.1 undecidable manual P 345 51.8037 50 -0.19 90
IV.FDMO.HHZ. 2019-09-22T02:53:42.43 0.1 undecidable manual S 356 25.752 109 -0.42 90
IV.MOMA.HHZ. 2019-09-22T02:53:42.12 0.3 undecidable manual P 270 43.8228 50 0.24 68
IV.SMA1.EHZ. 2019-09-22T02:53:42.90 0.1 undecidable manual S 136 26.751 108 -0.26 93
IV.T1299.HNN. 2019-09-22T02:53:42.42 0.1 undecidable manual S 143 23.5542 110 0.28 93
IV.TERO.HHZ. 2019-09-22T02:53:41.50 0.1 undecidable manual P 116 45.1215 50 -0.57 83
IV.MTRA.EHZ. 2019-09-22T02:53:41.93 0.3 undecidable manual S 103 24.0537 110 -0.35 69
IT.MTCL.HGZ. 2019-09-22T02:53:41.71 0.1 undecidable manual S 337 22.755 111 -0.17 95
IV.CESX.HHZ. 2019-09-22T02:53:41.54 0.3 undecidable manual P 243 47.8188 50 -0.94 53
IV.GAVE.EHZ. 2019-09-22T02:53:41.85 0.1 undecidable manual S 235 21.4674 112 0.4 91
IV.ASSB.HHZ. 2019-09-22T02:53:41.78 0.1 undecidable manual P 306 45.1215 50 -0.29 89
IV.RM33.EHZ. 2019-09-22T02:53:40.03 0.1 undecidable manual P 165 33.9438 50 -0.31 91
IV.GUMA.HHZ. 2019-09-22T02:53:40.25 0.1 undecidable manual P 33 34.0437 50 -0.12 95
IV.MMO1.EHZ. 2019-09-22T02:53:40.79 0.3 undecidable manual S 59 20.6682 113 -0.39 69
IV.MF5.EHZ. 2019-09-22T02:53:40.46 0.1 undecidable manual P 54 35.0427 50 -0.06 95
IV.FEMA.HNE. 2019-09-22T02:53:40.37 0.3 undecidable manual S 345 18.1707 116 -0.02 74
IV.ARRO.EHZ. 2019-09-22T02:53:40.77 0.1 undecidable manual P 228 37.5291 50 -0.13 94
IV.MC2.EHZ. 2019-09-22T02:53:39.38 0.1 undecidable manual S 29 13.5753 123 0.38 93
IV.CESI.HHZ. 2019-09-22T02:53:39.16 0.1 undecidable manual P 323 27.75 108 -0.07 96
IV.CSP1.EHZ. 2019-09-22T02:53:39.85 0.1 undecidable manual P 14 32.8449 50 -0.33 91
IT.MTCL.HGZ. 2019-09-22T02:53:38.25 0.1 undecidable manual P 337 22.755 111 -0.05 98
IV.FDMO.HHZ. 2019-09-22T02:53:38.71 0.1 undecidable manual P 356 25.752 109 -0.15 95
IV.GAVE.EHZ. 2019-09-22T02:53:38.34 0.1 positive manual P 235 21.4674 112 0.29 93
IV.SMA1.EHZ. 2019-09-22T02:53:38.87 0.1 undecidable manual P 136 26.751 108 -0.17 95
IV.T1299.HNN. 2019-09-22T02:53:38.66 0.1 undecidable manual P 143 23.5542 110 0.21 94
IV.MTRA.EHZ. 2019-09-22T02:53:38.32 0.1 undecidable manual P 103 24.0537 110 -0.21 94
IV.LNSS.HHZ. 2019-09-22T02:53:38.47 0.1 undecidable manual P 194 23.0547 111 0.12 96
IV.FEMA.HNE. 2019-09-22T02:53:37.61 0.1 undecidable manual P 345 18.1707 116 0.17 96
IV.MMO1.EHZ. 2019-09-22T02:53:37.76 0.1 undecidable manual P 59 20.6682 113 -0.13 96
IV.MC2.EHZ. 2019-09-22T02:53:36.93 0.1 undecidable manual P 29 13.5753 123 0.3 94
IV.NRCA.HHZ. 2019-09-22T02:53:36.74 0.1 undecidable manual S 8 3.2967 160 0.1 100
IV.NRCA.HHZ. 2019-09-22T02:53:35.64 0.1 undecidable manual P 8 3.2967 160 0.37 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.8 0.000378 0.12 AML other m 2019-09-22T02:53:42.61
IV.FDMO.HHN. ML:1.5 0.0001985 0.2 AML other m 2019-09-22T02:53:42.66
IV.GAVE.EHE. ML:1.8 0.0004095 0.14 AML other m 2019-09-22T02:53:42.83
IV.MTRA.EHN. ML:1.7 0.000304 0.7 AML other m 2019-09-22T02:53:42.88
IV.FDMO.HHE. ML:1.6 0.00021150000000000002 0.12 AML other m 2019-09-22T02:53:43.13
IV.GAVE.EHN. ML:1.6 0.000307 0.18 AML other m 2019-09-22T02:53:43.21
IV.LNSS.HHN. ML:1.8 0.00039549999999999996 0.64 AML other m 2019-09-22T02:53:43.39
IV.CESI.HHN. ML:1.6 0.000235 0.32 AML other m 2019-09-22T02:53:43.62
IV.MTRA.EHE. ML:1.6 0.00025 0.76 AML other m 2019-09-22T02:53:43.77
IV.SMA1.EHE. ML:1.4 0.00014050000000000003 0.44 AML other m 2019-09-22T02:53:44.42
IV.SMA1.EHN. ML:1.4 0.00014250000000000002 0.42 AML other m 2019-09-22T02:53:44.92
IV.CSP1.EHN. ML:1.6 0.0001585 0.6 AML other m 2019-09-22T02:53:44.65
IV.CESI.HHE. ML:1.4 0.0001205 0.1 AML other m 2019-09-22T02:53:44.96
IV.CSP1.EHE. ML:1.6 0.00017749999999999998 0.26 AML other m 2019-09-22T02:53:45.16
IV.RM33.EHE. ML:1.3 0.00008075 1.36 AML other m 2019-09-22T02:53:46.99
IV.MF5.EHE. ML:1.5 0.0001182 0.28 AML other m 2019-09-22T02:53:46.45
IV.RM33.EHN. ML:1.2 0.0000711 0.12 AML other m 2019-09-22T02:53:46.65
IV.ARRO.EHE. ML:1.3 0.00007245 0.76 AML other m 2019-09-22T02:53:47.41
IV.MF5.EHN. ML:1.4 0.00010714999999999999 0.58 AML other m 2019-09-22T02:53:47.53
IV.ARRO.EHN. ML:1.4 0.00009384999999999999 0.32 AML other m 2019-09-22T02:53:47.66
IV.TERO.HHN. ML:1.6 0.0001055 0.08 AML other m 2019-09-22T02:53:48.18
IV.TERO.HHE. ML:1.4 0.00007489999999999999 0.96 AML other m 2019-09-22T02:53:48.48
IV.ASSB.HHN. ML:1.3 0.00005270000000000001 1.2 AML other m 2019-09-22T02:53:49.84
IV.MOMA.HHN. ML:1.5 0.00010499999999999999 0.26 AML other m 2019-09-22T02:53:50.19
IV.MOMA.HHE. ML:1.6 0.000121 0.56 AML other m 2019-09-22T02:53:50.22
IV.ASSB.HHE. ML:1.3 0.00006254999999999999 1.48 AML other m 2019-09-22T02:53:50.04
IV.MNTT.EHN. ML:1.8 0.000183 0.8 AML other m 2019-09-22T02:53:51.48
IV.SNTG.HHE. ML:1.2 0.000037449999999999995 1.02 AML other m 2019-09-22T02:53:51.54
IV.SNTG.HHN. ML:1.2 0.00003995 0.12 AML other m 2019-09-22T02:53:51.77
IV.MNTT.EHE. ML:1.7 0.00014185 0.5 AML other m 2019-09-22T02:53:52.99
IV.SSFR.HHN. ML:1.5 0.000045249999999999995 0.7 AML other m 2019-09-22T02:53:58.18
IV.SSFR.HHE. ML:1.5 0.000047 0.44 AML other m 2019-09-22T02:54:00.31
IV.T0110.HHN. ML:1.4 0.000032149999999999995 1.36 AML other m 2019-09-22T02:54:00.94
IV.FAGN.HHE. ML:1.3 0.0000359 1.36 AML other m 2019-09-22T02:54:02.94
IV.FAGN.HHN. ML:1.2 0.000024050000000000002 0.5 AML other m 2019-09-22T02:54:03.45
IV.T0110.HHE. ML:1.4 0.000033849999999999996 0.52 AML other m 2019-09-22T02:54:04.06
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