Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 01-09-2019 and time 18:29:21 (Italy) in region 4 km E Norcia (PG)

A magnitude ML 2.5 earthquake occured in region: 4 km E Norcia (PG), on

  • 01-09-2019 16:29:21 (UTC)
  • 01-09-2019 18:29:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8030, 13.1400 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 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
Accumoli RI 15 667 11024
Visso MC 15 1107 12131
Ussita MC 16 444 12575
Montegallo AP 16 523 13098
Cerreto di Spoleto PG 18 1075 14173
Montemonaco AP 19 604 14777
Poggiodomo PG 20 117 14894
Sellano PG 20 1079 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
48 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 E of Viterbo (67173 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km W of Pescara (121014 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 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 2.5 2019-09-01
16:29:21		 42.8033 13.1402 10 2020-02-28
16:41:48		 Bollettino Sismico Italiano INGV 72111621
Reviewed
Rev100 		ML 2.4 2019-09-01
16:29:21		 42.8028 13.1407 9 2019-09-01
16:39:42		 Sala Sismica INGV-Roma 72024681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-01 16:29:21 ± 0.04
Latitude 42.8033 ± 0.0018
Longitude 13.1402 ± 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 72111621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 268
Semi-minor axis of confidence ellipse (meter) 82
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 253
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
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 90
Number of defining phases 80
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.87054
Number of stations at which the event was observed 58
Number of stations from which data was used for origin computation 49
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 94
Type of magnitude ML
Reference to an origin 72024681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-01 16:39:42

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 37
Type of magnitude ML
Reference to an origin 72111621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-04 14:22:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RAVA.EHZ. 2019-09-01T16:30:30.77 3.0 undecidable manual Sn -0.25 0
IV.ZCCA.HHZ. 2019-09-01T16:30:27.20 3.0 undecidable manual Sn 1.93 0
GU.POPM.HHZ. 2019-09-01T16:30:25.93 3.0 undecidable manual Sn 2.42 0
IV.PII.HHZ. 2019-09-01T16:30:25.06 3.0 undecidable manual Sn 1.94 0
IV.PII.HHZ. 2019-09-01T16:29:56.04 3.0 positive manual Pn 0.06 0
IV.ARVD.HHZ. 2019-09-01T16:29:45.78 0.6 undecidable manual S 348 78.7656 50 0.8 36
IV.CAFI.HHZ. 2019-09-01T16:29:41.25 3.0 positive manual P 0.52 0
IV.BARO.EHZ. 2019-09-01T16:29:41.45 3.0 negative manual P 1.21 0
IV.ATCC.EHZ. 2019-09-01T16:29:40.25 0.6 undecidable manual S 316 58.6968 50 0.63 40
IV.EL6.EHZ. 2019-09-01T16:29:40.08 0.3 undecidable manual S 357 58.3971 50 0.52 62
IV.FIAM.HHZ. 2019-09-01T16:29:39.96 0.3 undecidable manual S 182 59.3961 50 0.14 68
IV.SNTG.HHZ. 2019-09-01T16:29:38.24 0.3 undecidable manual S 342 52.6029 50 0.22 67
IV.SACS.HHZ. 2019-09-01T16:29:38.92 3.0 undecidable manual P 0.06 0
IV.MPAG.EHZ. 2019-09-01T16:29:37.91 0.3 undecidable manual P 342 96.6255 50 0.17 63
IV.CESX.HHZ. 2019-09-01T16:29:37.45 0.3 undecidable manual S 245 50.0166 50 0.13 69
IV.COR1.EHZ. 2019-09-01T16:29:37.22 3.0 undecidable manual P -0.51 0
IV.CERT.HHZ. 2019-09-01T16:29:37.72 0.6 undecidable manual P 188 95.6376 50 0.13 42
IV.GIGS.HHZ. 2019-09-01T16:29:37.61 0.3 undecidable manual S 138 52.503 50 -0.37 65
IV.PIEI.HHZ. 2019-09-01T16:29:37.82 0.6 undecidable manual P 329 94.8384 50 0.36 40
IV.ATPI.EHZ. 2019-09-01T16:29:37.26 1.0 undecidable manual P 320 93.4398 50 0.02 22
IV.MOMA.HHZ. 2019-09-01T16:29:36.94 0.6 undecidable manual S 270 46.4202 50 0.59 41
IV.ATVO.HHZ. 2019-09-01T16:29:36.92 0.6 undecidable manual P 317 87.4458 50 0.6 38
IV.ASSB.HHZ. 2019-09-01T16:29:36.35 0.3 undecidable manual S 304 47.2194 50 -0.23 68
IV.ATFO.HHZ. 2019-09-01T16:29:35.06 0.6 undecidable manual P 324 77.6667 50 0.25 43
IV.MDAR.HNZ. 2019-09-01T16:29:35.44 0.6 undecidable manual S 0 43.2234 50 -0.05 47
IV.T0110.HHZ. 2019-09-01T16:29:35.49 0.6 undecidable manual P 141 82.251 50 -0.03 44
IV.TERO.HHZ. 2019-09-01T16:29:35.02 0.3 undecidable manual S 118 42.8238 50 -0.37 67
IV.FRON.EHZ. 2019-09-01T16:29:35.95 0.6 undecidable manual P 337 86.0472 50 -0.16 43
IV.ARRO.EHZ. 2019-09-01T16:29:34.67 0.3 undecidable manual S 231 39.3273 50 0.19 69
IV.ARVD.HHZ. 2019-09-01T16:29:34.89 0.3 undecidable manual P 348 78.7656 50 -0.09 66
IV.VCEL.EHZ. 2019-09-01T16:29:34.08 0.6 undecidable manual P 128 72.9714 50 -0.02 45
IV.SAP2.EHZ. 2019-09-01T16:29:34.51 0.6 undecidable manual S 33 38.7279 50 0.21 46
IV.MURB.HHZ. 2019-09-01T16:29:34.98 3.0 undecidable manual P 0
IV.SEF1.HNZ. 2019-09-01T16:29:34.92 0.3 undecidable manual S 338 41.2254 50 -0.03 71
IV.SSFR.HHZ. 2019-09-01T16:29:34.48 0.6 undecidable manual P 338 75.9684 50 -0.07 44
IV.RM33.EHZ. 2019-09-01T16:29:33.19 0.6 undecidable manual S 169 33.2445 50 0.36 45
IV.PF6.EHZ. 2019-09-01T16:29:33.56 0.3 undecidable manual S 7 37.3293 50 -0.38 67
IV.GUMA.HHZ. 2019-09-01T16:29:33.03 0.3 undecidable manual S 29 32.8449 50 0.3 69
IV.MML1.HNZ. 2019-09-01T16:29:33.63 0.3 undecidable manual S 338 37.0296 50 -0.22 69
IV.MF5.EHZ. 2019-09-01T16:29:33.46 0.3 undecidable manual S 52 33.0447 50 0.67 61
IV.CAMP.HHZ. 2019-09-01T16:29:33.70 0.3 undecidable manual S 143 36.9297 50 -0.12 71
IV.TRTR.HHZ. 2019-09-01T16:29:33.43 0.6 undecidable manual P 89 62.9925 50 0.88 36
IV.CSP1.EHZ. 2019-09-01T16:29:32.37 0.3 undecidable manual S 9 32.4453 50 -0.25 69
IV.EL6.EHZ. 2019-09-01T16:29:31.69 0.1 negative manual P 357 58.3971 50 -0.16 90
IV.CESI.HHZ. 2019-09-01T16:29:31.62 0.3 undecidable manual S 320 29.4483 50 -0.2 71
IV.FIAM.HHZ. 2019-09-01T16:29:31.83 0.1 undecidable manual P 182 59.3961 50 -0.17 90
IV.ATCC.EHZ. 2019-09-01T16:29:31.91 0.1 undecidable manual P 316 58.6968 50 0.03 92
IV.SMA1.EHZ. 2019-09-01T16:29:30.28 0.3 undecidable manual S 140 24.9528 50 -0.33 69
IV.MNTT.EHZ. 2019-09-01T16:29:30.52 0.6 undecidable manual P 52 46.8198 50 0.46 43
IV.FDMO.HHZ. 2019-09-01T16:29:30.45 0.3 undecidable manual S 351 26.2515 50 -0.51 66
IV.MOMA.HHZ. 2019-09-01T16:29:30.09 0.3 undecidable manual P 270 46.4202 50 0.1 70
IV.SNTG.HHZ. 2019-09-01T16:29:30.78 0.3 undecidable manual P 342 52.6029 50 -0.18 68
IV.CESX.HHZ. 2019-09-01T16:29:30.44 0.3 undecidable manual P 245 50.0166 50 -0.11 69
IV.OFFI.HHZ. 2019-09-01T16:29:30.80 0.6 positive manual P 72 46.7199 50 0.76 39
IV.GAG1.HNZ. 2019-09-01T16:29:30.40 0.3 undecidable manual P 353 48.618 50 0.07 70
IV.LNSS.HNZ. 2019-09-01T16:29:30.41 0.3 undecidable manual S 200 23.6541 113 0.15 72
IV.MNTP.HNZ. 2019-09-01T16:29:30.24 0.6 undecidable manual P 36 45.7209 50 0.35 44
IV.T1299.HNZ. 2019-09-01T16:29:30.04 0.1 undecidable manual S 148 22.0668 115 0.3 93
IV.GAVE.HNZ. 2019-09-01T16:29:30.16 0.3 undecidable manual S 238 23.5542 113 -0.05 74
IV.GIGS.HHZ. 2019-09-01T16:29:30.42 0.3 undecidable manual P 138 52.503 50 -0.51 63
IV.PIO1.HNZ. 2019-09-01T16:29:29.29 0.3 undecidable manual P 343 43.4232 50 -0.25 68
IV.SEF1.HNZ. 2019-09-01T16:29:29.01 0.3 undecidable manual P 338 41.2254 50 -0.18 69
IV.ASSB.HHZ. 2019-09-01T16:29:29.95 0.1 positive manual P 304 47.2194 50 -0.18 92
IV.FIU1.HNZ. 2019-09-01T16:29:29.82 0.3 undecidable manual P 338 45.9207 50 -0.11 70
IV.MDAR.HNZ. 2019-09-01T16:29:29.36 0.3 undecidable manual P 0 43.2234 50 -0.14 70
IV.MTRA.HNZ. 2019-09-01T16:29:29.27 0.3 undecidable manual S 104 21.4674 115 -0.3 70
IV.SSM1.HNZ. 2019-09-01T16:29:29.93 0.6 undecidable manual P 4 47.3193 50 -0.2 46
IV.SAP2.EHZ. 2019-09-01T16:29:29.14 0.1 negative manual P 33 38.7279 50 0.33 90
IV.TERO.HHZ. 2019-09-01T16:29:29.27 0.1 undecidable manual P 118 42.8238 50 -0.17 92
IV.CAMP.HHZ. 2019-09-01T16:29:28.44 0.3 negative manual P 143 36.9297 50 -0.09 71
IV.FEMA.HNZ. 2019-09-01T16:29:28.56 0.3 undecidable manual S 337 19.0698 118 -0.26 71
IV.ARRO.EHZ. 2019-09-01T16:29:28.93 0.1 positive manual P 231 39.3273 50 0.02 96
IV.PF6.EHZ. 2019-09-01T16:29:28.33 0.1 undecidable manual P 7 37.3293 50 -0.27 91
IV.GUMA.HHZ. 2019-09-01T16:29:28.03 0.1 positive manual P 29 32.8449 50 0.13 95
IV.MML1.HNZ. 2019-09-01T16:29:28.34 0.1 undecidable manual P 338 37.0296 50 -0.21 93
IV.MF5.EHZ. 2019-09-01T16:29:28.12 0.1 positive manual P 52 33.0447 50 0.18 94
IV.MC2.EHZ. 2019-09-01T16:29:27.11 0.3 undecidable manual S 18 12.5763 129 0.17 73
IV.CSP1.EHZ. 2019-09-01T16:29:27.67 0.1 undecidable manual P 9 32.4453 50 -0.17 94
IV.RM33.EHZ. 2019-09-01T16:29:27.86 0.3 positive manual P 169 33.2445 50 -0.1 72
IV.CESI.HHZ. 2019-09-01T16:29:27.31 0.1 positive manual P 320 29.4483 50 -0.07 97
IV.LNSS.HNZ. 2019-09-01T16:29:26.56 0.1 undecidable manual P 200 23.6541 113 0.08 97
IV.T1299.HNZ. 2019-09-01T16:29:26.36 0.1 undecidable manual P 148 22.0668 115 0.18 96
IV.GAVE.HNZ. 2019-09-01T16:29:26.50 0.3 undecidable manual P 238 23.5542 113 0.05 74
IV.SMA1.EHZ. 2019-09-01T16:29:26.57 0.3 positive manual P 140 24.9528 50 -0.11 72
IV.FDMO.HHZ. 2019-09-01T16:29:26.70 0.1 undecidable manual P 351 26.2515 50 -0.18 95
IV.FEMA.HNZ. 2019-09-01T16:29:25.65 0.1 undecidable manual P 337 19.0698 118 0 100
IV.MTRA.HNZ. 2019-09-01T16:29:25.99 0.1 undecidable manual P 104 21.4674 115 -0.09 98
IV.MC2.EHZ. 2019-09-01T16:29:24.69 0.1 undecidable manual P 18 12.5763 129 0.13 98
IV.NRCA.HNZ. 2019-09-01T16:29:24.90 0.1 undecidable manual S 328 3.996 159 -0.21 98
IV.NRCA.HNZ. 2019-09-01T16:29:23.62 0.1 undecidable manual P 328 3.996 159 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:2.6 0.002075972 0.4224 AML other m 2019-09-01T16:29:30.87
IV.FEMA.HNN. ML:2.6 0.0028852739999999997 0.192 AML other m 2019-09-01T16:29:30.69
IV.FEMA.HNE. ML:2.6 0.0027932975 0.256 AML other m 2019-09-01T16:29:31.26
IV.FDMO.HHE. ML:2.4 0.0013557755 0.1024 AML other m 2019-09-01T16:29:31.80
IV.SMA1.EHN. ML:2.4 0.0014857070000000002 0.3072 AML other m 2019-09-01T16:29:33.16
IV.SMA1.EHE. ML:2.4 0.001432265 0.32 AML other m 2019-09-01T16:29:33.87
IV.MF5.EHN. ML:2.6 0.001849913 1.7568 AML other m 2019-09-01T16:29:33.94
IV.RM33.EHN. ML:2.2 0.00074451865 0.128 AML other m 2019-09-01T16:29:34.03
IV.MF5.EHE. ML:2.6 0.0018012384999999999 0.2176 AML other m 2019-09-01T16:29:34.41
IV.RM33.HNE. ML:2.4 0.0010191067000000001 0.1152 AML other m 2019-09-01T16:29:34.75
IV.RM33.EHE. ML:2.4 0.0010107178 0.1152 AML other m 2019-09-01T16:29:34.75
IV.RM33.HNN. ML:2.2 0.0007446447000000001 1.7568 AML other m 2019-09-01T16:29:34.08
IV.ARRO.EHN. ML:2.4 0.0008472054 0.1792 AML other m 2019-09-01T16:29:35.73
IV.ARRO.EHE. ML:2.2 0.0005988066 0.192 AML other m 2019-09-01T16:29:36.55
IV.MOMA.HNN. ML:2.3 0.00056659075 0.1664 AML other m 2019-09-01T16:29:38.12
IV.MOMA.HHN. ML:2.3 0.0005959868 0.1536 AML other m 2019-09-01T16:29:38.20
IV.ASSB.HHE. ML:2.3 0.00063895805 0.1792 AML other m 2019-09-01T16:29:38.32
IV.ASSB.HHN. ML:2.5 0.00083988325 0.1792 AML other m 2019-09-01T16:29:38.66
IV.MOMA.HNE. ML:2.4 0.0007189694 0.2176 AML other m 2019-09-01T16:29:39.25
IV.MOMA.HHE. ML:2.4 0.0007677321500000001 0.2176 AML other m 2019-09-01T16:29:39.25
IV.CESX.HHN. ML:2.3 0.0005321544 0.2432 AML other m 2019-09-01T16:29:39.44
IV.CESX.HHE. ML:2.4 0.0006315693 0.3712 AML other m 2019-09-01T16:29:39.51
IV.OFFI.HHE. ML:2.6 0.001091096 0.256 AML other m 2019-09-01T16:29:40.07
IV.EL6.EHN. ML:2.7 0.0011120165000000001 0.1408 AML other m 2019-09-01T16:29:40.73
IV.EL6.EHE. ML:2.6 0.0007807462000000001 0.1152 AML other m 2019-09-01T16:29:41.30
IV.ATCC.EHE. ML:0.0 0.000576479 0.2432 AML other m 2019-09-01T16:29:41.72
IV.ATCC.EHN. ML:0.0 0.0006113812000000001 0.2432 AML other m 2019-09-01T16:29:41.64
IV.OFFI.HHN. ML:2.6 0.0010631246000000001 0.32 AML other m 2019-09-01T16:29:41.78
IV.SSFR.HHE. ML:2.6 0.0006843566999999999 0.2048 AML other m 2019-09-01T16:29:47.32
IV.SSFR.HNE. ML:2.7 0.00070206805 0.192 AML other m 2019-09-01T16:29:47.33
IV.SSFR.HHN. ML:2.5 0.00050904105 0.1664 AML other m 2019-09-01T16:29:47.41
IV.SSFR.HNN. ML:2.5 0.00051244025 0.1536 AML other m 2019-09-01T16:29:47.42
IV.MPAG.EHN. ML:2.1 0.00014262445 0.2176 AML other m 2019-09-01T16:29:52.70
IV.MPAG.EHE. ML:2.1 0.00011901886000000001 0.2944 AML other m 2019-09-01T16:29:54.46
IV.COR1.EHN. ML:2.5 0.00032604270000000004 0.2688 AML other m 2019-09-01T16:29:55.84
IV.MPAG.HNE. ML:3.0 0.0009661225499999999 0.6144 AML other m 2019-09-01T16:29:57.35
IV.MPAG.HNN. ML:3.0 0.00103808625 1.2832 AML other m 2019-09-01T16:29:57.36
IV.MURB.HHE. ML:0.0 0.0010956619999999999 0.2816 AML other m 2019-09-01T16:29:48.51
IV.MURB.HHN. ML:0.0 0.0009588400500000001 0.448 AML other m 2019-09-01T16:29:47.23
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