Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 19-09-2019 and time 07:12:18 (UTC) in region 4 km E Norcia (PG)

A magnitude ML 1.9 earthquake occured in region: 4 km E Norcia (PG), on

  • 19-09-2019 07:12:18 (UTC)
  • 19-09-2019 09:12:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8060, 13.1450 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 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 15 1107 11464
Accumoli RI 15 667 12131
Ussita MC 16 444 12575
Montegallo AP 16 523 13098
Montemonaco AP 18 604 13702
Cerreto di Spoleto PG 19 1075 14777

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
49 Km W of Teramo (54892 inhabitants)
49 Km NE of Terni (111501 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
70 Km E of Perugia (166134 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
95 Km W of Pescara (121014 inhabitants)
95 Km E of Viterbo (67173 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
Bulletin
Rev1000 		ML 1.9 2019-09-19
07:12:18		 42.8058 13.1452 9 2020-02-28
16:42:06		 Bollettino Sismico Italiano INGV 73906641
Reviewed
Rev100 		ML 1.9 2019-09-19
07:12:18		 42.8082 13.1442 10 2019-09-19
07:21:15		 Sala Sismica INGV-Roma 72546871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-19 07:12:18 ± 0.05
Latitude 42.8058 ± 0.0027
Longitude 13.1452 ± 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 73906641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 365
Semi-minor axis of confidence ellipse (meter) 111
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 79
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 34
Number of associated phases, regardless of their use for origin computation 66
Number of defining phases 63
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.85436
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 73906641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-07 15:01:15

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 72546871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-19 07:21:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IMOL.HNZ. 2019-09-19T07:13:14.77 3.0 undecidable manual S 0.57 0
IV.IMOL.HNZ. 2019-09-19T07:12:48.35 3.0 positive manual P -2.15 0
IV.RIBO.EHZ.01 2019-09-19T07:12:45.93 3.0 negative manual P -0.12 0
IV.SSFR.HHZ. 2019-09-19T07:12:42.23 0.6 undecidable manual S 337 75.8685 50 0.93 34
IV.MURB.HHZ. 2019-09-19T07:12:41.61 0.6 undecidable manual S 315 71.4729 50 1.49 26
IV.FIAM.HHZ. 2019-09-19T07:12:37.07 0.6 undecidable manual S 182 59.6958 50 0.08 46
IV.ATCC.EHZ. 2019-09-19T07:12:37.44 0.6 undecidable manual S 316 58.6968 50 0.71 39
IV.EL6.EHZ. 2019-09-19T07:12:36.71 0.6 undecidable manual S 357 58.1973 50 0.13 46
IV.OFFI.HHZ. 2019-09-19T07:12:36.23 0.6 undecidable manual S 72 46.2204 50 2.84 5
IV.MNTT.EHZ. 2019-09-19T07:12:35.35 0.6 undecidable manual S 52 46.3203 50 1.93 20
IV.SNTG.HHZ. 2019-09-19T07:12:35.10 0.6 undecidable manual S 342 52.503 50 0.03 47
IV.GIGS.HHZ. 2019-09-19T07:12:34.38 0.6 undecidable manual S 138 52.4031 50 -0.67 40
IV.PIEI.HHZ. 2019-09-19T07:12:34.83 0.6 undecidable manual P 329 94.8384 50 0.38 41
IV.ASSB.HHZ. 2019-09-19T07:12:33.49 0.6 undecidable manual S 304 47.4192 50 -0.23 46
IV.MOMA.HHZ. 2019-09-19T07:12:33.89 0.6 undecidable manual S 270 46.8198 50 0.34 45
IV.T0110.HHZ. 2019-09-19T07:12:32.87 0.3 undecidable manual P 141 82.1511 50 0.37 63
IV.MURB.HHZ. 2019-09-19T07:12:31.15 0.3 undecidable manual P 315 71.4729 50 0.3 65
IV.ARRO.EHZ. 2019-09-19T07:12:31.87 0.6 undecidable manual S 231 39.8268 50 0.17 47
IV.SSFR.HHZ. 2019-09-19T07:12:31.68 0.3 undecidable manual P 337 75.8685 50 0.15 66
IV.SAP2.EHZ. 2019-09-19T07:12:31.75 0.6 undecidable manual S 33 38.3283 50 0.48 44
IV.TERO.HHZ. 2019-09-19T07:12:31.80 0.6 undecidable manual S 118 42.5241 50 -0.61 42
IV.MML1.HNE. 2019-09-19T07:12:30.42 0.6 undecidable manual S 338 36.9297 50 -0.49 44
IV.GUMA.HHZ. 2019-09-19T07:12:29.60 0.6 undecidable manual S 28 32.4453 50 -0.1 48
IV.MF5.EHZ. 2019-09-19T07:12:29.94 0.6 undecidable manual S 52 32.5452 50 0.19 47
IV.RM33.EHZ. 2019-09-19T07:12:29.80 0.6 undecidable manual S 170 33.4443 50 -0.17 48
IV.EL6.EHZ. 2019-09-19T07:12:28.52 0.1 undecidable manual P 357 58.1973 50 -0.29 89
IV.CSP1.EHZ. 2019-09-19T07:12:28.90 0.6 undecidable manual S 9 32.0457 50 -0.72 41
IV.ATCC.EHZ. 2019-09-19T07:12:28.86 0.3 undecidable manual P 316 58.6968 50 -0.03 70
IV.FIAM.HHZ. 2019-09-19T07:12:28.79 0.1 undecidable manual P 182 59.6958 50 -0.25 89
IV.FDMO.HHZ. 2019-09-19T07:12:27.10 0.6 undecidable manual S 350 26.0517 109 -0.66 42
IV.OFFI.HHZ. 2019-09-19T07:12:27.49 0.1 undecidable manual P 72 46.2204 50 0.53 86
IV.GIGS.HHZ. 2019-09-19T07:12:27.66 0.3 undecidable manual P 138 52.4031 50 -0.26 68
IV.LNSS.HHZ. 2019-09-19T07:12:27.30 0.3 undecidable manual S 201 24.0537 111 0.17 73
IV.MNTT.EHZ. 2019-09-19T07:12:27.49 0.1 undecidable manual P 52 46.3203 50 0.51 86
IV.CESX.HHZ. 2019-09-19T07:12:27.48 0.3 undecidable manual P 245 50.5161 50 -0.14 70
IV.SMA1.EHZ. 2019-09-19T07:12:27.20 0.6 undecidable manual S 141 24.8529 110 -0.19 48
IV.SNTG.HHZ. 2019-09-19T07:12:27.60 0.1 undecidable manual P 342 52.503 50 -0.33 89
IV.GAVE.EHZ. 2019-09-19T07:12:27.22 0.6 undecidable manual S 238 24.0537 111 0.11 49
IV.MOMA.HHZ. 2019-09-19T07:12:26.94 0.1 undecidable manual P 270 46.8198 50 -0.11 94
IV.TERO.HHZ. 2019-09-19T07:12:26.10 0.3 undecidable manual P 118 42.5241 50 -0.3 68
IV.ASSB.HHZ. 2019-09-19T07:12:26.87 0.1 undecidable manual P 304 47.4192 50 -0.28 91
IV.T1299.HNN. 2019-09-19T07:12:26.91 0.6 undecidable manual S 150 22.0668 113 0.43 46
IT.MTCL.HGZ. 2019-09-19T07:12:26.70 0.6 undecidable manual S 330 23.9538 111 -0.4 46
IV.MTRA.EHZ. 2019-09-19T07:12:25.90 0.6 undecidable manual S 105 21.1677 114 -0.3 47
IV.MML1.HNE. 2019-09-19T07:12:25.15 0.1 undecidable manual P 338 36.9297 50 -0.38 91
IV.MMO1.EHZ. 2019-09-19T07:12:25.10 0.6 undecidable manual S 55 18.0708 117 -0.12 49
IV.ARRO.EHZ. 2019-09-19T07:12:25.81 0.3 undecidable manual P 231 39.8268 50 -0.17 71
IV.FEMA.HNE. 2019-09-19T07:12:25.42 0.6 undecidable manual S 336 18.9699 116 -0.09 50
IV.SAP2.EHZ. 2019-09-19T07:12:25.82 0.3 undecidable manual P 33 38.3283 50 0.08 72
IV.CSP1.EHZ. 2019-09-19T07:12:24.43 0.1 positive manual P 9 32.0457 50 -0.36 92
IV.RM33.EHZ. 2019-09-19T07:12:24.88 0.1 undecidable manual P 170 33.4443 50 -0.11 96
IV.MF5.EHZ. 2019-09-19T07:12:24.81 0.1 undecidable manual P 52 32.5452 50 -0.05 98
IV.GUMA.HHZ. 2019-09-19T07:12:24.75 0.1 positive manual P 28 32.4453 50 -0.08 97
IV.MC2.EHZ. 2019-09-19T07:12:23.70 0.6 undecidable manual S 17 12.2766 127 0.2 49
IV.LNSS.HHZ. 2019-09-19T07:12:23.42 0.1 positive manual P 201 24.0537 111 0.07 99
IV.GAVE.EHZ. 2019-09-19T07:12:23.40 0.1 undecidable manual P 238 24.0537 111 0.07 99
IV.SMA1.EHZ. 2019-09-19T07:12:23.52 0.1 undecidable manual P 141 24.8529 110 0.02 100
IT.MTCL.HGZ. 2019-09-19T07:12:23.17 0.1 negative manual P 330 23.9538 111 -0.16 97
IV.FDMO.HHZ. 2019-09-19T07:12:23.43 0.1 undecidable manual P 350 26.0517 109 -0.28 94
IV.T1299.HNN. 2019-09-19T07:12:23.22 0.1 undecidable manual P 150 22.0668 113 0.25 96
IV.FEMA.HNE. 2019-09-19T07:12:22.48 0.3 undecidable manual P 336 18.9699 116 0.07 75
IV.MMO1.EHZ. 2019-09-19T07:12:22.18 0.1 undecidable manual P 55 18.0708 117 -0.06 100
IV.MTRA.EHZ. 2019-09-19T07:12:22.70 0.1 positive manual P 105 21.1677 114 -0.11 98
IV.NRCA.HNZ. 2019-09-19T07:12:21.80 0.6 undecidable manual S 321 3.996 157 0.14 50
IV.MC2.EHZ. 2019-09-19T07:12:21.50 0.1 positive manual P 17 12.2766 127 0.25 97
IV.NRCA.HNZ. 2019-09-19T07:12:20.49 0.1 undecidable manual P 321 3.996 157 0.3 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:2.4 0.005305 0.12 AML other m 2019-09-19T07:12:21.83
IV.NRCA.HHN. ML:2.5 0.00597 0.14 AML other m 2019-09-19T07:12:21.82
IV.NRCA.HHE. ML:2.4 0.0048000000000000004 0.16 AML other m 2019-09-19T07:12:21.88
IV.NRCA.HNE. ML:2.4 0.00462 0.16 AML other m 2019-09-19T07:12:21.88
IV.MTRA.EHE. ML:1.9 0.000621 0.16 AML other m 2019-09-19T07:12:26.50
IV.MTRA.EHN. ML:2.0 0.000745 0.22 AML other m 2019-09-19T07:12:26.61
IV.GAVE.EHE. ML:2.0 0.000671 0.3 AML other m 2019-09-19T07:12:27.62
IV.LNSS.HNE. ML:2.3 0.001385 0.4 AML other m 2019-09-19T07:12:27.97
IV.LNSS.HHE. ML:2.4 0.0015550000000000002 0.4 AML other m 2019-09-19T07:12:27.97
IV.FDMO.HHN. ML:1.7 0.0002935 0.3 AML other m 2019-09-19T07:12:27.63
IV.LNSS.HHN. ML:2.4 0.00145 1.6 AML other m 2019-09-19T07:12:27.84
IV.LNSS.HNN. ML:2.3 0.00132 0.16 AML other m 2019-09-19T07:12:27.84
IV.GAVE.EHN. ML:2.2 0.0009310000000000001 0.3 AML other m 2019-09-19T07:12:27.99
IV.SMA1.EHN. ML:1.6 0.000253 0.46 AML other m 2019-09-19T07:12:29.31
IV.CSP1.EHN. ML:2.0 0.00040249999999999997 0.34 AML other m 2019-09-19T07:12:29.24
IV.FDMO.HHE. ML:1.6 0.00022499999999999997 1.18 AML other m 2019-09-19T07:12:29.64
IV.CSP1.EHE. ML:2.1 0.0005505 0.38 AML other m 2019-09-19T07:12:29.65
IV.GUMA.HHE. ML:2.3 0.0008865 0.26 AML other m 2019-09-19T07:12:30.37
IV.MF5.EHN. ML:1.9 0.0003395 0.32 AML other m 2019-09-19T07:12:30.29
IV.GUMA.HNE. ML:2.2 0.00084 0.4 AML other m 2019-09-19T07:12:30.38
IV.RM33.EHN. ML:1.8 0.0002535 1.5 AML other m 2019-09-19T07:12:30.90
IV.GUMA.HHN. ML:2.1 0.000625 1 AML other m 2019-09-19T07:12:30.42
IV.MF5.EHE. ML:1.9 0.0003705 1.42 AML other m 2019-09-19T07:12:31.06
IV.RM33.EHE. ML:1.6 0.00016999999999999999 1.3 AML other m 2019-09-19T07:12:31.15
IV.SMA1.EHE. ML:1.6 0.000248 1.1 AML other m 2019-09-19T07:12:31.74
IV.SAP2.EHN. ML:2.9 0.0030800000000000003 1.84 AML other m 2019-09-19T07:12:32.97
IV.ARRO.EHE. ML:1.4 0.0000969 1.46 AML other m 2019-09-19T07:12:32.79
IV.TERO.HHN. ML:1.8 0.00019350000000000001 0.08 AML other m 2019-09-19T07:12:32.12
IV.SAP2.EHE. ML:2.2 0.0005525 1.14 AML other m 2019-09-19T07:12:32.25
IV.ARRO.EHN. ML:1.5 0.0001075 0.62 AML other m 2019-09-19T07:12:32.99
IV.TERO.HHE. ML:1.7 0.00015200000000000004 0.58 AML other m 2019-09-19T07:12:33.68
IV.MOMA.HHE. ML:1.7 0.00013450000000000002 1.34 AML other m 2019-09-19T07:12:35.01
IV.GIGS.HHN. ML:1.0 0.000023449999999999997 0.84 AML other m 2019-09-19T07:12:35.06
IV.ASSB.HHE. ML:1.7 0.0001515 0.24 AML other m 2019-09-19T07:12:35.01
IV.GIGS.HHE. ML:1.0 0.00002275 0.54 AML other m 2019-09-19T07:12:35.52
IV.ASSB.HHN. ML:1.7 0.0001375 0.58 AML other m 2019-09-19T07:12:35.89
IV.SNTG.HHE. ML:1.6 0.0001057 0.1 AML other m 2019-09-19T07:12:35.74
IV.CESX.HHE. ML:1.4 0.0000662 0.56 AML other m 2019-09-19T07:12:36.11
IV.MNTT.EHN. ML:2.4 0.0006525000000000001 0.84 AML other m 2019-09-19T07:12:36.05
IV.CESX.HHN. ML:1.4 0.00006429999999999999 0.24 AML other m 2019-09-19T07:12:36.38
IV.SNTG.HHN. ML:1.4 0.00007139999999999999 0.9 AML other m 2019-09-19T07:12:36.50
IV.MOMA.HHN. ML:1.6 0.00010750000000000001 0.18 AML other m 2019-09-19T07:12:36.68
IV.EL6.EHE. ML:1.8 0.00015125 0.7 AML other m 2019-09-19T07:12:37.20
IV.MNTT.EHE. ML:2.2 0.0004255 0.26 AML other m 2019-09-19T07:12:37.21
IV.EL6.EHN. ML:2.0 0.0001895 0.14 AML other m 2019-09-19T07:12:37.46
IV.FIAM.HHN. ML:1.3 0.00004685 0.86 AML other m 2019-09-19T07:12:37.40
IV.FIAM.HHE. ML:1.3 0.0000446 1.78 AML other m 2019-09-19T07:12:38.09
IV.ATCC.EHN. ML:1.8 0.000142 1.48 AML other m 2019-09-19T07:12:38.16
IV.ATCC.EHE. ML:1.8 0.0001205 0.86 AML other m 2019-09-19T07:12:38.53
IV.GUMA.HNN. ML:3.0 0.004775000000000001 0.8 AML other m 2019-09-19T07:12:39.90
IV.SSFR.HHE. ML:1.8 0.00009495 0.22 AML other m 2019-09-19T07:12:42.83
IV.MURB.HHN. ML:2.1 0.00018449999999999999 1.66 AML other m 2019-09-19T07:12:44.85
IV.SSFR.HHN. ML:1.8 0.0000927 0.66 AML other m 2019-09-19T07:12:44.01
IV.MURB.HHE. ML:2.1 0.0001985 0.26 AML other m 2019-09-19T07:12:46.55
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