Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 22-09-2019 and time 00:35:02 (Italy) in region 3 km NE Norcia (PG)

A magnitude ML 1.9 earthquake occured in region: 3 km NE Norcia (PG), on

  • 21-09-2019 22:35:02 (UTC)
  • 22-09-2019 00:35:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8070, 13.1200 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 3 4957 4957
Castelsantangelo sul Nera MC 10 281 5238
Preci PG 10 724 5962
Cascia PG 13 3217 9179
Visso MC 14 1107 10286
Arquata del Tronto AP 15 1178 11464
Ussita MC 15 444 11908
Accumoli RI 16 667 12575
Cerreto di Spoleto PG 17 1075 13650
Montegallo AP 18 523 14173
Sellano PG 18 1079 15252
Poggiodomo PG 18 117 15369
Montemonaco AP 20 604 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
68 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 N of Tivoli (56533 inhabitants)
97 Km W of Pescara (121014 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
Bulletin
Rev1000 		ML 1.9 2019-09-21
22:35:02		 42.8072 13.1197 10 2020-02-28
16:42:00		 Bollettino Sismico Italiano INGV 73517921
Reviewed
Rev100 		ML 2.0 2019-09-21
22:35:02		 42.8073 13.1175 10 2019-09-21
22:39:35		 Sala Sismica INGV-Roma 72632361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-21 22:35:02 ± 0.04
Latitude 42.8072 ± 0.0018
Longitude 13.1197 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73517921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 278
Semi-minor axis of confidence ellipse (meter) 29
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 81
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 33
Number of associated phases, regardless of their use for origin computation 70
Number of defining phases 66
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.89393
Number of stations at which the event was observed 43
Number of stations from which data was used for origin computation 40
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 78
Type of magnitude ML
Reference to an origin 72632361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-21 22:39:35

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 72
Type of magnitude ML
Reference to an origin 73517921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-29 17:17:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LMD.HHZ. 2019-09-21T22:35:30.48 3.0 undecidable manual Pn -0.12 0
IV.ARVD.HHZ. 2019-09-21T22:35:27.63 3.0 undecidable manual S -0.26 0
IV.EL6.EHZ. 2019-09-21T22:35:21.55 0.3 undecidable manual S 359 57.8976 50 0.44 65
IV.FIAM.HHZ. 2019-09-21T22:35:21.79 0.3 undecidable manual S 180 59.7957 50 0.19 68
IV.PIEI.HHZ. 2019-09-21T22:35:19.19 0.3 undecidable manual P 330 93.6396 50 0.29 62
IV.NARO.HHZ. 2019-09-21T22:35:19.89 0.6 undecidable manual P 334 99.2229 50 0.13 42
IV.GIGS.HHZ. 2019-09-21T22:35:19.97 0.3 undecidable manual S 137 53.9016 50 -0.07 70
IV.SNTG.HHZ. 2019-09-21T22:35:19.62 0.3 undecidable manual S 344 51.7038 50 0.17 69
IV.MOMA.HHZ. 2019-09-21T22:35:18.09 0.3 undecidable manual S 270 44.7219 50 0.52 65
IV.T0110.HHZ. 2019-09-21T22:35:17.23 0.3 undecidable manual P 140 83.6496 50 -0.12 66
IV.MGAB.HHZ. 2019-09-21T22:35:17.76 1.0 undecidable manual P 278 82.7505 50 0.54 20
IV.TERO.HHZ. 2019-09-21T22:35:17.38 0.6 undecidable manual S 117 44.4222 50 -0.12 47
IV.SSFR.HHZ. 2019-09-21T22:35:16.23 0.3 undecidable manual P 339 74.9694 50 0.21 66
IV.SAP2.EHZ. 2019-09-21T22:35:16.95 0.3 undecidable manual S 35 39.3273 50 0.82 58
IV.ARVD.HHZ. 2019-09-21T22:35:16.72 3.0 positive manual P -0.14 0
IV.ARRO.EHZ. 2019-09-21T22:35:16.21 0.3 undecidable manual S 229 38.3283 50 0.33 69
IV.VCEL.EHZ. 2019-09-21T22:35:16.42 3.0 negative manual P 0.02 0
IV.MML1.HNE. 2019-09-21T22:35:15.06 0.3 undecidable manual S 341 36.0417 50 -0.19 71
IV.PF6.EHN. 2019-09-21T22:35:15.25 0.3 undecidable manual S 9 37.1295 50 -0.31 69
IV.CAMP.HHE. 2019-09-21T22:35:15.47 0.3 undecidable manual S 142 38.2284 50 -0.38 68
IV.MF5.EHZ. 2019-09-21T22:35:15.48 0.3 undecidable manual S 54 34.1436 50 0.73 61
IV.FAGN.HHZ. 2019-09-21T22:35:15.60 1.0 undecidable manual P 148 71.0733 50 0.19 22
IV.MURB.HHZ. 2019-09-21T22:35:15.44 0.6 undecidable manual P 317 69.8745 50 0.2 44
IV.GUMA.HHZ. 2019-09-21T22:35:14.73 0.3 undecidable manual S 32 33.3444 50 0.2 71
IV.RM33.EHZ. 2019-09-21T22:35:14.55 0.3 undecidable manual S 167 33.9438 50 -0.16 72
IV.EL6.EHZ. 2019-09-21T22:35:13.15 0.1 undecidable manual P 359 57.8976 50 -0.25 90
IV.FOSV.EHZ. 2019-09-21T22:35:13.86 0.6 undecidable manual P 332 61.3941 50 -0.07 46
IV.FIAM.HHZ. 2019-09-21T22:35:13.36 0.1 positive manual P 180 59.7957 50 -0.32 88
IV.ATCC.EHZ. 2019-09-21T22:35:13.38 0.3 undecidable manual P 317 57.1983 50 0.1 69
IV.CSP1.EHZ. 2019-09-21T22:35:13.90 0.3 undecidable manual S 12 32.3454 50 -0.37 69
IV.GIGS.HHZ. 2019-09-21T22:35:12.39 0.6 undecidable manual P 137 53.9016 50 -0.39 44
IV.SNTG.HHZ. 2019-09-21T22:35:12.14 0.6 undecidable manual P 344 51.7038 50 -0.3 45
IV.CESI.HHZ. 2019-09-21T22:35:12.81 0.3 undecidable manual S 322 28.0497 50 -0.31 70
IV.MNTT.EHZ. 2019-09-21T22:35:12.42 0.1 positive manual P 54 47.9187 50 0.57 84
IV.OFFI.HHZ. 2019-09-21T22:35:12.28 0.6 undecidable manual P 73 48.1185 50 0.39 44
IV.GAVE.EHZ. 2019-09-21T22:35:11.48 0.3 undecidable manual S 235 22.3554 113 0.16 73
IV.LNSS.HHZ. 2019-09-21T22:35:11.99 0.3 undecidable manual S 196 23.5542 112 0.28 71
IV.TERO.HHZ. 2019-09-21T22:35:11.21 0.6 undecidable manual P 117 44.4222 50 -0.11 47
IV.MOMA.HHZ. 2019-09-21T22:35:11.39 0.6 undecidable manual P 270 44.7219 50 0.03 48
IV.MTRA.HNZ. 2019-09-21T22:35:11.55 0.3 undecidable manual S 104 23.2545 113 -0.05 75
IV.FDMO.HHZ. 2019-09-21T22:35:11.94 0.3 undecidable manual S 354 25.5522 111 -0.42 69
IV.T1299.HNN. 2019-09-21T22:35:11.90 0.3 undecidable manual S 145 23.3544 113 0.27 71
IV.CESX.HHZ. 2019-09-21T22:35:11.85 0.6 undecidable manual P 243 48.7179 50 -0.12 47
IT.MTCL.HGZ. 2019-09-21T22:35:11.12 0.3 undecidable manual S -0.34 69
IV.ASSB.HHZ. 2019-09-21T22:35:11.42 0.3 undecidable manual P 305 45.621 50 -0.08 71
IV.ARRO.EHZ. 2019-09-21T22:35:10.29 0.1 positive manual P 229 38.3283 50 -0.09 96
IV.MMO1.EHZ. 2019-09-21T22:35:10.38 0.3 undecidable manual S 59 19.6692 116 -0.1 74
IV.SAP2.EHZ. 2019-09-21T22:35:10.70 0.1 positive manual P 35 39.3273 50 0.18 94
IV.CAMP.HHE. 2019-09-21T22:35:10.04 0.3 undecidable manual P 142 38.2284 50 -0.32 69
IV.FEMA.HNE. 2019-09-21T22:35:10.02 0.3 undecidable manual S 342 18.0708 118 0.04 75
IV.CSP1.EHZ. 2019-09-21T22:35:09.17 0.1 positive manual P 12 32.3454 50 -0.28 93
IV.RM33.EHZ. 2019-09-21T22:35:09.37 0.1 positive manual P 167 33.9438 50 -0.33 92
IV.MML1.HNE. 2019-09-21T22:35:09.74 0.1 positive manual P 341 36.0417 50 -0.28 93
IV.GUMA.HHZ. 2019-09-21T22:35:09.64 0.1 positive manual P 32 33.3444 50 0.04 98
IV.PF6.EHN. 2019-09-21T22:35:09.84 0.1 positive manual P 9 37.1295 50 -0.35 91
IV.MF5.EHZ. 2019-09-21T22:35:09.83 0.1 positive manual P 54 34.1436 50 0.1 97
IV.MC2.EHZ. 2019-09-21T22:35:08.83 0.3 undecidable manual S 26 12.876 127 0.38 71
IV.SMA1.EHZ. 2019-09-21T22:35:08.26 0.3 undecidable manual P 138 26.3514 110 -0.23 72
IV.CESI.HHZ. 2019-09-21T22:35:08.64 0.1 positive manual P 322 28.0497 50 -0.15 97
IV.FDMO.HHZ. 2019-09-21T22:35:08.13 0.1 positive manual P 354 25.5522 111 -0.21 96
IV.T1299.HNN. 2019-09-21T22:35:08.03 0.1 undecidable manual P 145 23.3544 113 0.11 98
IT.MTCL.HGZ. 2019-09-21T22:35:07.77 0.1 positive manual P -0.03 97
IV.FEMA.HNE. 2019-09-21T22:35:07.04 0.3 undecidable manual P 342 18.0708 118 0.06 75
IV.GAVE.EHZ. 2019-09-21T22:35:07.87 0.1 positive manual P 235 22.3554 113 0.12 98
IV.MMO1.EHZ. 2019-09-21T22:35:07.14 0.1 positive manual P 59 19.6692 116 -0.12 99
IV.LNSS.HHZ. 2019-09-21T22:35:07.99 0.1 positive manual P 196 23.5542 112 0.02 100
IV.MTRA.HNZ. 2019-09-21T22:35:07.68 0.1 undecidable manual P 104 23.2545 113 -0.23 96
IV.MC2.EHZ. 2019-09-21T22:35:06.32 0.1 positive manual P 26 12.876 127 0.23 98
IV.NRCA.HHZ. 2019-09-21T22:35:06.34 0.3 undecidable manual S 352 2.997 163 -0.03 77
IV.NRCA.HHZ. 2019-09-21T22:35:05.12 0.1 negative manual P 352 2.997 163 0.22 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.8 0.011156531 0.128 AML other m 2019-09-21T22:35:06.94
IV.NRCA.HNN. ML:2.9 0.01668607 0.1408 AML other m 2019-09-21T22:35:06.46
IV.NRCA.HHN. ML:3.0 0.01798937 0.1408 AML other m 2019-09-21T22:35:06.46
IV.NRCA.HHE. ML:2.8 0.012141535000000002 0.128 AML other m 2019-09-21T22:35:06.94
IV.MTRA.EHE. ML:2.0 0.0007078839500000001 0.1792 AML other m 2019-09-21T22:35:14.40
IV.MTRA.EHN. ML:2.1 0.00081482575 0.1408 AML other m 2019-09-21T22:35:13.01
IV.GAVE.EHN. ML:2.2 0.0011824965 0.1792 AML other m 2019-09-21T22:35:13.06
IV.GAVE.EHE. ML:2.4 0.0017955764999999999 0.2304 AML other m 2019-09-21T22:35:13.20
IV.GAVE.HNN. ML:1.8 0.00043327995 0.1792 AML other m 2019-09-21T22:35:13.06
IV.GAVE.HNE. ML:2.4 0.0016559455 0.2304 AML other m 2019-09-21T22:35:13.20
IV.LNSS.HNE. ML:2.6 0.002714397 0.128 AML other m 2019-09-21T22:35:12.36
IV.LNSS.HHE. ML:2.7 0.0030893734999999996 0.1152 AML other m 2019-09-21T22:35:12.36
IV.LNSS.HNN. ML:2.5 0.0019071115000000001 0.1536 AML other m 2019-09-21T22:35:12.24
IV.LNSS.HHN. ML:2.5 0.0021325755 0.1536 AML other m 2019-09-21T22:35:12.24
IV.FDMO.HHE. ML:1.9 0.00043863459999999996 0.2048 AML other m 2019-09-21T22:35:13.38
IV.FDMO.HHN. ML:2.0 0.00059783365 0.32 AML other m 2019-09-21T22:35:12.64
IV.SMA1.EHN. ML:2.0 0.00051071 0.256 AML other m 2019-09-21T22:35:16.92
IV.SMA1.EHE. ML:2.0 0.0005286692499999999 0.2176 AML other m 2019-09-21T22:35:16.07
IV.CESI.HNE. ML:1.6 0.00021631055 0.192 AML other m 2019-09-21T22:35:13.29
IV.CESI.HNN. ML:2.0 0.0004733755 0.3456 AML other m 2019-09-21T22:35:15.14
IV.CESI.HHE. ML:1.7 0.0002885907 0.2688 AML other m 2019-09-21T22:35:16.24
IV.CESI.HHN. ML:1.9 0.000430697 0.2816 AML other m 2019-09-21T22:35:16.05
IV.CSP1.EHE. ML:2.0 0.0005359692499999999 0.1664 AML other m 2019-09-21T22:35:14.62
IV.CSP1.EHN. ML:2.0 0.0005192381499999999 0.3456 AML other m 2019-09-21T22:35:16.88
IV.RM33.EHE. ML:1.8 0.0002846651 0.1024 AML other m 2019-09-21T22:35:15.89
IV.RM33.EHN. ML:2.0 0.0003949215 0.2176 AML other m 2019-09-21T22:35:16.30
IV.RM33.HNE. ML:1.8 0.00027501235 0.0896 AML other m 2019-09-21T22:35:15.93
IV.RM33.HNN. ML:2.0 0.0003997341 0.2304 AML other m 2019-09-21T22:35:16.29
IV.MF5.EHE. ML:2.0 0.00039393645 0.2816 AML other m 2019-09-21T22:35:15.75
IV.MF5.EHN. ML:1.9 0.0003229143 0.256 AML other m 2019-09-21T22:35:15.92
IV.ARRO.EHE. ML:1.8 0.00021352009999999998 0.1408 AML other m 2019-09-21T22:35:18.48
IV.ARRO.EHN. ML:1.8 0.0002050629 0.1792 AML other m 2019-09-21T22:35:18.13
IV.SAP2.EHE. ML:0.0 0.0006893519 0.1408 AML other m 2019-09-21T22:35:17.89
IV.SAP2.EHN. ML:0.0 0.0031890775 0.1408 AML other m 2019-09-21T22:35:17.39
IV.TERO.HHN. ML:1.9 0.00024910175 0.0896 AML other m 2019-09-21T22:35:18.17
IV.TERO.HNN. ML:1.5 0.000099149475 0.1408 AML other m 2019-09-21T22:35:18.18
IV.TERO.HHE. ML:1.8 0.00018139949999999998 0.0896 AML other m 2019-09-21T22:35:18.17
IV.MOMA.HHE. ML:2.0 0.00028783975 0.256 AML other m 2019-09-21T22:35:19.39
IV.MOMA.HHN. ML:1.9 0.00024752085 0.4096 AML other m 2019-09-21T22:35:18.85
IV.MOMA.HNE. ML:2.0 0.00027827325000000003 0.256 AML other m 2019-09-21T22:35:19.52
IV.ASSB.HHN. ML:1.6 0.00012638685 0.1664 AML other m 2019-09-21T22:35:19.74
IV.ASSB.HHE. ML:1.7 0.00013275720000000002 0.2816 AML other m 2019-09-21T22:35:22.88
IV.CESX.HHE. ML:1.8 0.0001649154 0.448 AML other m 2019-09-21T22:35:20.63
IV.CESX.HHN. ML:1.8 0.00016252539999999998 0.2432 AML other m 2019-09-21T22:35:23.50
IV.SNTG.HHE. ML:1.6 0.00011120743499999999 0.1024 AML other m 2019-09-21T22:35:20.27
IV.SNTG.HHN. ML:1.6 0.00009105753999999999 0.1408 AML other m 2019-09-21T22:35:21.20
IV.SNTG.HNE. ML:1.7 0.0001339887 0.1536 AML other m 2019-09-21T22:35:20.55
IV.OFFI.HHN. ML:2.2 0.00042650310000000004 0.384 AML other m 2019-09-21T22:35:22.43
IV.OFFI.HHE. ML:2.0 0.00030619759999999996 0.2432 AML other m 2019-09-21T22:35:22.84
IV.MNTT.EHN. ML:2.6 0.0010876367500000002 0.2944 AML other m 2019-09-21T22:35:22.12
IV.MNTT.EHE. ML:2.5 0.00097782405 0.3968 AML other m 2019-09-21T22:35:22.29
IV.EL6.EHN. ML:2.2 0.0003523878 0.1664 AML other m 2019-09-21T22:35:22.64
IV.EL6.EHE. ML:2.0 0.0002304494 0.1536 AML other m 2019-09-21T22:35:21.84
IV.FIAM.HHN. ML:1.4 0.000056456995000000005 0.2048 AML other m 2019-09-21T22:35:23.07
IV.FIAM.HHE. ML:1.5 0.000065857195 0.192 AML other m 2019-09-21T22:35:22.73
IV.FIAM.HNN. ML:2.0 0.000187828 0.704 AML other m 2019-09-21T22:35:26.31
IV.ATCC.EHN. ML:1.6 0.000091525165 0.2176 AML other m 2019-09-21T22:35:24.02
IV.ATCC.EHE. ML:1.7 0.000107126605 0.2176 AML other m 2019-09-21T22:35:24.41
IV.FOSV.EHE. ML:1.4 0.000048084274999999995 0.2048 AML other m 2019-09-21T22:35:26.25
IV.FOSV.EHN. ML:1.6 0.00007506955 0.2816 AML other m 2019-09-21T22:35:26.59
IV.MURB.HHN. ML:2.0 0.00016958035 0.3072 AML other m 2019-09-21T22:35:32.05
IV.MURB.HNN. ML:2.0 0.000167297835 0.2688 AML other m 2019-09-21T22:35:31.73
IV.MURB.HNE. ML:2.2 0.0002988348 0.3456 AML other m 2019-09-21T22:35:30.20
IV.MURB.HHE. ML:2.2 0.00029779345 0.256 AML other m 2019-09-21T22:35:30.50
IV.FAGN.HHN. ML:1.9 0.00014160375 0.2944 AML other m 2019-09-21T22:35:29.40
IV.FAGN.HHE. ML:1.9 0.0001340193 0.3072 AML other m 2019-09-21T22:35:28.65
IV.VCEL.EHE. ML:1.7 0.00008197577500000001 0.2432 AML other m 2019-09-21T22:35:30.83
IV.VCEL.EHN. ML:1.7 0.00008058204 0.1664 AML other m 2019-09-21T22:35:29.00
IV.ARVD.HHN. ML:1.5 0.000046062930000000005 0.2816 AML other m 2019-09-21T22:35:32.82
IV.ARVD.HHE. ML:1.6 0.000055179975 0.1792 AML other m 2019-09-21T22:35:29.71
IV.T0110.HHE. ML:1.8 0.000077176075 0.3584 AML other m 2019-09-21T22:35:35.91
IV.T0110.HHN. ML:1.8 0.00008215352000000001 0.3456 AML other m 2019-09-21T22:35:35.34
IV.PIEI.HHN. ML:1.4 0.000024496724999999997 0.32 AML other m 2019-09-21T22:35:36.00
IV.PIEI.HHE. ML:1.6 0.000042014205 0.2304 AML other m 2019-09-21T22:35:38.60
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
Waveforms Seismic signals in miniseed + resp format Download