Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 03-11-2020 and time 02:50:24 (Italy) in region 4 km N Norcia (PG)

A magnitude ML 1.6 earthquake occured in region: 4 km N Norcia (PG), on

  • 03-11-2020 01:50:24 (UTC)
  • 03-11-2020 02:50:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8280, 13.0950 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
Preci PG 7 724 5681
Castelsantangelo sul Nera MC 9 281 5962
Visso MC 12 1107 7069
Ussita MC 14 444 7513
Cascia PG 14 3217 10730
Cerreto di Spoleto PG 15 1075 11805
Sellano PG 15 1079 12884
Arquata del Tronto AP 18 1178 14062
Poggiodomo PG 18 117 14179
Accumoli RI 19 667 14846
Montegallo AP 20 523 15369
Vallo di Nera PG 20 364 15733
Monte Cavallo MC 20 145 15878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
53 Km W of Teramo (54892 inhabitants)
58 Km NW of L'Aquila (69753 inhabitants)
65 Km E of Perugia (166134 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km N of Tivoli (56533 inhabitants)
100 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 1.6 2020-11-03
01:50:24		 42.8275 13.0948 9 2021-02-26
14:56:15		 Bollettino Sismico Italiano INGV 86263831
Reviewed
Rev100 		ML 1.7 2020-11-03
01:50:23		 42.829 13.0945 9 2020-11-03
02:01:54		 Sala Sismica INGV-Roma 84403421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-03 01:50:24 ± 0.05
Latitude 42.8275 ± 0.0027
Longitude 13.0948 ± 0.0037
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 86263831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 306
Semi-minor axis of confidence ellipse (meter) 222
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 84
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 37
Number of associated phases, regardless of their use for origin computation 69
Number of defining phases 65
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.86785
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 35
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 88
Type of magnitude ML
Reference to an origin 84403421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-03 02:01:54

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 68
Type of magnitude ML
Reference to an origin 86263831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-15 10:20:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SEI.HHZ. 2020-11-03T01:51:21.21 3.0 undecidable manual Sg 4.9 0
IV.ATMI.HHZ. 2020-11-03T01:50:51.61 3.0 undecidable manual S 0.13 0
IV.FRON.EHZ. 2020-11-03T01:50:49.18 0.6 undecidable manual S 339 82.1511 50 0.36 42
IV.ATFO.HHZ. 2020-11-03T01:50:47.35 0.6 undecidable manual S 325 73.2711 50 0.9 35
IV.ARVD.HHZ. 2020-11-03T01:50:47.79 0.3 undecidable manual S 351 75.369 50 0.77 55
IV.SSFR.HHZ. 2020-11-03T01:50:47.00 0.6 undecidable manual S 340 72.0723 50 0.86 36
IV.MURB.HHZ. 2020-11-03T01:50:45.64 0.6 undecidable manual S 316 66.8775 50 0.91 35
IV.PE3.EHZ. 2020-11-03T01:50:43.05 3.0 positive manual P 0.58 0
IV.ATCC.EHZ. 2020-11-03T01:50:41.62 0.6 undecidable manual S 317 54.2013 50 0.27 45
IV.EL6.EHZ. 2020-11-03T01:50:41.95 0.3 undecidable manual S 1 55.6998 50 0.2 68
IV.ATMI.HHZ. 2020-11-03T01:50:41.71 3.0 undecidable manual P 0
IV.NARO.HHZ. 2020-11-03T01:50:40.24 0.6 undecidable manual P 335 96.3258 50 -0.28 41
IV.MNTT.EHZ. 2020-11-03T01:50:40.40 0.3 undecidable manual S 57 48.3183 50 0.63 61
IV.MPAG.EHZ. 2020-11-03T01:50:40.17 0.6 undecidable manual P 343 92.9403 50 0.17 42
IV.CESX.HHZ. 2020-11-03T01:50:40.01 0.3 undecidable manual S 240 48.0186 50 0.31 67
IV.MOMA.HHZ. 2020-11-03T01:50:39.15 0.3 undecidable manual S 267 42.8238 50 0.85 57
IV.TERO.HHZ. 2020-11-03T01:50:39.18 0.6 undecidable manual S 119 47.3193 50 -0.33 45
IV.SNTG.HHZ. 2020-11-03T01:50:39.65 0.3 undecidable manual S 345 49.0176 50 -0.33 67
IV.FRON.EHZ. 2020-11-03T01:50:38.09 0.1 negative manual P 339 82.1511 50 -0.25 85
IV.T0110.HHZ. 2020-11-03T01:50:38.97 0.3 undecidable manual P 140 86.6466 50 -0.05 66
IV.ARRO.EHZ. 2020-11-03T01:50:37.25 0.3 undecidable manual S 224 38.4282 50 0.1 72
IV.CAMP.HHZ. 2020-11-03T01:50:37.67 0.6 undecidable manual S 142 41.2254 50 -0.23 46
IV.SAP2.EHZ. 2020-11-03T01:50:37.64 0.3 undecidable manual S 39 38.7279 50 0.41 67
IV.ASSB.HHZ. 2020-11-03T01:50:37.83 0.3 undecidable manual S 304 42.7239 50 -0.46 66
IV.SSFR.HHZ. 2020-11-03T01:50:36.61 0.3 undecidable manual P 340 72.0723 50 -0.18 66
IV.ATFO.HHZ. 2020-11-03T01:50:36.84 0.3 undecidable manual P 325 73.2711 50 -0.13 67
IV.MF5.EHZ. 2020-11-03T01:50:36.37 0.3 undecidable manual S 59 34.5432 50 0.26 70
IV.ARVD.HHZ. 2020-11-03T01:50:36.91 0.3 undecidable manual P 351 75.369 50 -0.38 63
IV.RM33.EHZ. 2020-11-03T01:50:36.91 0.3 undecidable manual S 165 36.6411 50 0.24 70
IV.FAGN.HHZ. 2020-11-03T01:50:36.68 0.6 undecidable manual P 147 74.0703 50 -0.4 42
IV.GUMA.HHZ. 2020-11-03T01:50:35.52 0.3 undecidable manual S 37 32.5452 50 -0.06 73
IV.MURB.HHZ. 2020-11-03T01:50:35.79 0.3 undecidable manual P 316 66.8775 50 -0.19 67
IV.SMA1.EHZ. 2020-11-03T01:50:34.42 0.3 undecidable manual S 138 29.3484 107 -0.26 70
IV.CSP1.EHZ. 2020-11-03T01:50:34.32 0.3 undecidable manual S 17 30.6471 50 -0.75 60
IV.EL6.EHZ. 2020-11-03T01:50:33.79 0.1 negative manual P 1 55.6998 50 -0.46 86
IV.OFFI.HHZ. 2020-11-03T01:50:33.95 0.1 positive manual P 76 49.5171 50 0.65 81
IV.MTRA.EHZ. 2020-11-03T01:50:33.23 0.3 undecidable manual S 108 25.752 110 -0.28 71
IV.ATCC.EHZ. 2020-11-03T01:50:33.67 0.3 undecidable manual P 317 54.2013 50 -0.35 66
IV.LNSS.HHZ. 2020-11-03T01:50:33.56 0.3 undecidable manual S 190 25.3524 110 0.2 72
IV.MNTT.EHZ. 2020-11-03T01:50:33.69 0.3 undecidable manual P 57 48.3183 50 0.58 63
IV.SNTG.HHZ. 2020-11-03T01:50:32.70 0.1 negative manual P 345 49.0176 50 -0.53 85
IV.CESI.HHZ. 2020-11-03T01:50:32.79 0.3 undecidable manual S 322 25.0527 110 -0.48 68
IV.CESX.HHZ. 2020-11-03T01:50:32.89 0.3 undecidable manual P 240 48.0186 50 -0.18 69
IV.MOMA.HHZ. 2020-11-03T01:50:32.04 0.3 undecidable manual P 267 42.8238 50 -0.22 69
IV.TERO.HHZ. 2020-11-03T01:50:32.58 0.3 undecidable manual P 119 47.3193 50 -0.38 67
IV.GAVE.EHZ. 2020-11-03T01:50:32.52 0.3 undecidable manual S 228 22.1556 113 0.17 73
IV.MF5.EHZ. 2020-11-03T01:50:31.06 0.1 positive manual P 59 34.5432 50 0.06 97
IV.SAP2.EHZ. 2020-11-03T01:50:31.81 0.3 undecidable manual P 39 38.7279 50 0.17 71
IV.RM33.EHZ. 2020-11-03T01:50:31.10 0.1 negative manual P 165 36.6411 50 -0.22 93
IV.ASSB.HHZ. 2020-11-03T01:50:31.92 0.3 undecidable manual P 304 42.7239 50 -0.33 68
IT.MTCL.HGZ. 2020-11-03T01:50:31.29 0.3 undecidable manual S 337 20.0688 115 -0.37 70
IV.ARRO.EHZ. 2020-11-03T01:50:31.67 0.3 undecidable manual P 224 38.4282 50 0.07 72
IV.MMO1.EHZ. 2020-11-03T01:50:31.59 0.3 undecidable manual S 67 20.4684 114 -0.21 72
IV.CAMP.HHZ. 2020-11-03T01:50:31.77 0.1 negative manual P 142 41.2254 50 -0.26 92
IV.FEMA.HNZ. 2020-11-03T01:50:30.15 0.3 undecidable manual S 346 15.3735 121 -0.08 75
IV.SMA1.EHZ. 2020-11-03T01:50:30.05 0.1 negative manual P 138 29.3484 107 -0.12 97
IV.GUMA.HHZ. 2020-11-03T01:50:30.63 0.3 undecidable manual P 37 32.5452 50 -0.06 73
IV.LNSS.HHZ. 2020-11-03T01:50:29.44 0.1 negative manual P 190 25.3524 110 0.03 99
IV.GAVE.EHZ. 2020-11-03T01:50:29.06 0.3 undecidable manual P 228 22.1556 113 0.23 72
IV.CSP1.EHZ. 2020-11-03T01:50:29.94 0.3 undecidable manual P 17 30.6471 50 -0.46 67
IV.CESI.HHZ. 2020-11-03T01:50:29.16 0.1 negative manual P 322 25.0527 110 -0.19 96
IV.MTRA.EHZ. 2020-11-03T01:50:29.36 0.1 positive manual P 108 25.752 110 -0.14 97
IV.MC2.EHZ. 2020-11-03T01:50:29.75 0.3 undecidable manual S 39 12.0768 127 0.47 69
IV.MMO1.EHZ. 2020-11-03T01:50:28.48 0.1 positive manual P 67 20.4684 114 -0.03 100
IT.MTCL.HGZ. 2020-11-03T01:50:28.24 0.1 negative manual P 337 20.0688 115 -0.19 97
IV.MC2.EHZ. 2020-11-03T01:50:27.42 0.1 positive manual P 39 12.0768 127 0.37 95
IV.FEMA.HNZ. 2020-11-03T01:50:27.72 0.1 negative manual P 346 15.3735 121 0.12 99
IV.NRCA.HNZ. 2020-11-03T01:50:27.74 0.3 undecidable manual S 67 1.6983 169 0.48 70
IV.NRCA.HNZ. 2020-11-03T01:50:26.40 0.1 positive manual P 67 1.6983 169 0.51 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FEMA.HNE. ML:1.8 0.00059929765 0.1504 AML other m 2020-11-03T01:50:30.42
IV.FEMA.HNN. ML:1.8 0.0006412669 0.1 AML other m 2020-11-03T01:50:30.42
IV.MOMA.HNN. ML:1.7 0.00014428421499999998 0.62 AML other m 2020-11-03T01:50:31.22
IV.MTRA.HNN. ML:1.7 0.00029720025 0.1896 AML other m 2020-11-03T01:50:33.74
IV.MTRA.EHE. ML:1.8 0.00038694194999999997 0.14 AML other m 2020-11-03T01:50:34.44
IV.MTRA.HNE. ML:1.8 0.00038666985 0.2304 AML other m 2020-11-03T01:50:34.44
IV.LNSS.HHE. ML:1.8 0.00039479310000000003 0.12 AML other m 2020-11-03T01:50:34.69
IV.LNSS.HNE. ML:1.8 0.00036848845 0.1 AML other m 2020-11-03T01:50:34.68
IV.MTRA.EHN. ML:1.7 0.00029870849999999997 0.14 AML other m 2020-11-03T01:50:34.64
IV.LNSS.HHN. ML:1.8 0.00036715785000000003 0.18 AML other m 2020-11-03T01:50:35.14
IV.LNSS.HNN. ML:1.8 0.00033496095000000003 0.18 AML other m 2020-11-03T01:50:35.23
IV.SMA1.EHN. ML:1.7 0.0002527007 0.18 AML other m 2020-11-03T01:50:35.87
IV.MF5.EHE. ML:1.4 0.00010294597 0.26 AML other m 2020-11-03T01:50:36.55
IV.MF5.EHN. ML:1.8 0.0002457709 0.32 AML other m 2020-11-03T01:50:36.80
IV.RM33.EHN. ML:1.2 0.00006271499499999999 0.2 AML other m 2020-11-03T01:50:37.13
IV.ARRO.EHE. ML:1.8 0.0002114923 0.18 AML other m 2020-11-03T01:50:37.40
IV.ARRO.EHN. ML:1.6 0.00016184455000000002 0.24 AML other m 2020-11-03T01:50:37.84
IV.CAMP.HHE. ML:1.5 0.000102581305 0.18 AML other m 2020-11-03T01:50:37.92
IV.CAMP.HHN. ML:1.3 0.00006438018500000001 1.78 AML other m 2020-11-03T01:50:38.05
IV.RM33.EHE. ML:1.4 0.00009043905499999999 0.18 AML other m 2020-11-03T01:50:38.17
IV.SMA1.EHE. ML:1.7 0.00023390509999999997 0.22 AML other m 2020-11-03T01:50:38.29
IV.TERO.HHN. ML:1.7 0.0001482094 0.08 AML other m 2020-11-03T01:50:39.72
IV.TERO.HHE. ML:1.7 0.0001498524 0.08 AML other m 2020-11-03T01:50:39.88
IV.MOMA.HNE. ML:1.5 0.00010693384 0.2504 AML other m 2020-11-03T01:50:40.23
IV.RM33.HNE. ML:1.4 0.00010239711500000002 0.44 AML other m 2020-11-03T01:50:40.54
IV.CESX.HHE. ML:1.4 0.000073292485 0.4 AML other m 2020-11-03T01:50:40.36
IV.TERO.HNE. ML:1.8 0.0001867397 0.1096 AML other m 2020-11-03T01:50:40.35
IV.MOMA.HHE. ML:1.6 0.000118167 0.14 AML other m 2020-11-03T01:50:40.52
IV.MOMA.HHN. ML:1.3 0.00006238566 0.16 AML other m 2020-11-03T01:50:40.70
IV.SNTG.HHN. ML:1.2 0.000038329139999999995 0.1 AML other m 2020-11-03T01:50:41.46
IV.ATCC.EHE. ML:1.7 0.00011170958 0.18 AML other m 2020-11-03T01:50:42.11
IV.CESX.HHN. ML:1.5 0.00007816823 0.22 AML other m 2020-11-03T01:50:42.74
IV.EL6.EHE. ML:1.4 0.0000539764075 1.8 AML other m 2020-11-03T01:50:42.98
IV.ATCC.EHN. ML:1.6 0.00010620935 0.28 AML other m 2020-11-03T01:50:43.15
IV.SNTG.HHE. ML:1.1 0.000036017670000000004 1.82 AML other m 2020-11-03T01:50:43.98
IV.MNTT.EHN. ML:1.9 0.00022214504999999997 0.22 AML other m 2020-11-03T01:50:43.26
IV.EL6.EHN. ML:1.5 0.00007220397 0.1 AML other m 2020-11-03T01:50:43.55
IV.RM33.HNN. ML:1.5 0.00010824787 0.56 AML other m 2020-11-03T01:50:45.37
IV.OFFI.HHN. ML:1.6 0.00010341347000000001 0.38 AML other m 2020-11-03T01:50:45.47
IV.ATFO.HHN. ML:1.6 0.000064917525 0.36 AML other m 2020-11-03T01:50:48.17
IV.TERO.HNN. ML:1.8 0.00018621799999999998 0.6104 AML other m 2020-11-03T01:50:48.23
IV.ARVD.HHN. ML:1.0 0.000012856280000000001 0.18 AML other m 2020-11-03T01:50:48.56
IV.SSFR.HHN. ML:1.6 0.000064458475 0.24 AML other m 2020-11-03T01:50:48.62
IV.MNTT.EHE. ML:1.8 0.00015534215000000001 1.44 AML other m 2020-11-03T01:50:48.90
IV.ARVD.HHE. ML:1.2 0.000024072364999999998 0.22 AML other m 2020-11-03T01:50:49.18
IV.ATFO.HHE. ML:1.4 0.000033741505 0.34 AML other m 2020-11-03T01:50:49.76
IV.OFFI.HHE. ML:1.4 0.00007042851 0.36 AML other m 2020-11-03T01:50:50.58
IV.SSFR.HHE. ML:1.7 0.00007814812 1.82 AML other m 2020-11-03T01:50:51.06
IV.SNTG.HNN. ML:1.9 0.00019401774999999998 0.8 AML other m 2020-11-03T01:50:51.19
IV.FRON.EHN. ML:1.2 0.000020363175 0.08 AML other m 2020-11-03T01:50:51.42
IV.FRON.EHE. ML:1.2 0.000017698355 0.14 AML other m 2020-11-03T01:50:52.29
IV.FAGN.HHE. ML:1.5 0.000044556829999999995 0.38 AML other m 2020-11-03T01:50:52.85
IV.SNTG.HNE. ML:1.7 0.00013028982 1.1896 AML other m 2020-11-03T01:50:52.27
IV.T0110.HHN. ML:1.5 0.00003933702 1.64 AML other m 2020-11-03T01:50:52.18
IV.SSFR.HNN. ML:1.8 0.000102089855 0.3096 AML other m 2020-11-03T01:50:53.79
IV.ATMI.HHE. ML:1.7 0.00006674737999999999 1.6 AML other m 2020-11-03T01:50:54.14
IV.FAGN.HHN. ML:1.4 0.000037906750000000004 0.28 AML other m 2020-11-03T01:50:54.14
IV.SSFR.HNE. ML:1.8 0.00010373377999999999 0.3 AML other m 2020-11-03T01:50:54.68
IV.MPAG.EHN. ML:1.1 0.0000138486975 0.3 AML other m 2020-11-03T01:50:54.59
IV.ATMI.HHN. ML:1.7 0.000062876105 0.3 AML other m 2020-11-03T01:50:55.19
IV.NARO.HHE. ML:1.0 0.0000107475645 0.16 AML other m 2020-11-03T01:50:55.51
IV.T0110.HHE. ML:1.4 0.00003314128 1.6 AML other m 2020-11-03T01:50:56.84
IV.NARO.HHN. ML:1.0 0.000009293321 1.74 AML other m 2020-11-03T01:50:56.88
IV.MPAG.HNN. ML:2.2 0.00016490535 0.64 AML other m 2020-11-03T01:50:59.08
IV.MPAG.EHE. ML:1.0 0.000011509336 0.3 AML other m 2020-11-03T01:50:59.68
IV.PE3.EHE. ML:1.8 0.000051083755000000004 0.48 AML other m 2020-11-03T01:51:06.51
IV.PE3.EHN. ML:1.9 0.000064320845 1.54 AML other m 2020-11-03T01:51:07.21
IV.MPAG.HNE. ML:2.0 0.00012042405500000001 0.8104 AML other m 2020-11-03T01:51:11.28
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