Earthquake with magnitude of ML 1.5 on date 22-09-2020 and time 14:12:47 (Italy) in region 2 km E Norcia (PG)

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

  • 22-09-2020 12:12:47 (UTC)
  • 22-09-2020 14:12:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7970, 13.1120 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.

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 11 724 5681
Castelsantangelo sul Nera MC 12 281 5962
Cascia PG 12 3217 9179
Visso MC 15 1107 10286
Arquata del Tronto AP 15 1178 11464
Accumoli RI 16 667 12131
Cerreto di Spoleto PG 16 1075 13206
Ussita MC 17 444 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
38 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
55 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)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
98 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 1.5 2020-09-22
12:12:47
42.7972 13.1118 10 2021-02-26
14:56:02
Bollettino Sismico Italiano INGV 84416501
Reviewed
Rev100
ML 1.7 2020-09-22
12:12:48
42.8007 13.124 11 2020-09-22
12:20:28
Sala Sismica INGV-Roma 83130591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-22 12:12:47 ± 0.04
Latitude 42.7972 ± 0.0018
Longitude 13.1118 ± 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 84416501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 274
Semi-minor axis of confidence ellipse (meter) 181
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 86
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) 44
Number of associated phases, regardless of their use for origin computation 71
Number of defining phases 57
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.74914
Number of stations at which the event was observed 43
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 84416501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-03 14:49:34

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 83130591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-22 12:20:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.BLY.HHZ. 2020-09-22T12:14:23.35 3.0 undecidable manual Sn -1.36 0
IV.CAGR.HHZ. 2020-09-22T12:14:17.95 3.0 undecidable manual Pg 12.49 0
IV.NDIM.HHZ. 2020-09-22T12:14:11.34 3.0 undecidable manual Sg 7.93 0
MN.BNI.HHZ. 2020-09-22T12:14:10.72 3.0 undecidable manual Pn 5.87 0
GU.BHB.HHZ. 2020-09-22T12:14:04.93 3.0 undecidable manual Pn 6.52 0
IV.MBFT.HHZ. 2020-09-22T12:14:03.30 3.0 undecidable manual Pn 3.69 0
IV.SGTA.HHZ. 2020-09-22T12:13:54.51 3.0 undecidable manual Sn -0.62 0
XK.GIZZ.HHZ. 2020-09-22T12:13:53.12 3.0 positive manual Pn -1.35 0
IV.PCN.EHZ. 2020-09-22T12:13:52.84 3.0 positive manual Pg 13.37 0
SI.BOSI.HHZ. 2020-09-22T12:13:48.25 3.0 positive manual Pn 0.59 0
GU.RNCA.HHZ. 2020-09-22T12:13:48.39 3.0 negative manual Pg 7.07 0
IV.RIBO.EHZ.01 2020-09-22T12:13:36.86 3.0 undecidable manual Sn 0.81 0
IV.MRB1.HNZ. 2020-09-22T12:13:30.67 3.0 undecidable manual Pg 7.85 0
IV.RCAV.EHZ. 2020-09-22T12:13:19.41 3.0 undecidable manual S -0.67 0
IV.MURB.HHZ. 2020-09-22T12:13:09.69 0.1 undecidable manual S 318 70.2741 50 0.25 85
IV.EL6.EHZ. 2020-09-22T12:13:07.03 0.1 undecidable manual S 359 58.9965 50 0.59 80
IV.ATCC.EHZ. 2020-09-22T12:13:06.79 0.1 undecidable manual S 319 57.5979 50 0.73 75
IV.MOMA.HHZ. 2020-09-22T12:13:03.19 0.1 undecidable manual S 271 44.1225 50 0.74 77
IV.SAP2.EHE. 2020-09-22T12:13:02.34 0.3 undecidable manual S 35 40.626 50 0.82 56
IV.MDAR.HNN. 2020-09-22T12:13:02.40 0.3 undecidable manual S 3 43.9227 50 -0.01 70
IV.T0110.HHZ. 2020-09-22T12:13:02.40 0.1 undecidable manual P 139 83.1501 50 0.08 86
IV.ASSB.HHZ. 2020-09-22T12:13:02.64 0.1 undecidable manual S 307 45.8208 50 -0.26 89
IV.SEF1.HNN. 2020-09-22T12:13:01.55 0.3 undecidable manual S 341 41.0256 50 -0.08 70
IV.PF6.EHN. 2020-09-22T12:13:00.56 0.1 undecidable manual S 10 38.4282 50 -0.37 88
IV.MURB.HHZ. 2020-09-22T12:13:00.41 0.1 negative manual P 318 70.2741 50 0.08 88
IV.CAMP.HHE. 2020-09-22T12:13:00.34 0.1 undecidable manual S 140 37.8288 50 -0.43 87
IV.GUMA.HNN. 2020-09-22T12:13:00.22 0.3 undecidable manual S 32 34.6431 50 0.3 67
IV.ARRO.EHZ. 2020-09-22T12:13:00.45 0.1 undecidable manual S 230 37.1295 50 -0.15 92
IV.MML1.HNE. 2020-09-22T12:13:00.24 0.1 undecidable manual S 342 36.9297 50 -0.29 90
IV.MF5.EHN. 2020-09-22T12:13:00.70 0.1 undecidable manual S 53 35.3424 50 0.59 83
IV.RM33.HNE. 2020-09-22T12:12:59.36 0.1 undecidable manual S 165 33.0447 50 -0.14 93
IV.CSP1.EHZ. 2020-09-22T12:12:59.38 0.1 undecidable manual S 13 33.5442 50 -0.26 91
IV.EL6.EHZ. 2020-09-22T12:12:58.53 0.1 negative manual P 359 58.9965 50 -0.07 90
IV.ATCC.EHZ. 2020-09-22T12:12:58.30 0.1 positive manual P 319 57.5979 50 -0.08 90
IV.FDMO.HHZ. 2020-09-22T12:12:57.19 0.1 undecidable manual S 356 26.6511 110 -0.51 87
IV.CESI.HHZ. 2020-09-22T12:12:57.81 0.1 undecidable manual S 324 28.5492 50 -0.49 87
IV.SMA1.EHZ. 2020-09-22T12:12:57.38 0.1 undecidable manual S 135 25.9518 110 -0.11 95
IV.T1299.EHZ. 2020-09-22T12:12:56.74 0.1 undecidable manual S 142 22.755 113 0.27 92
IV.GAVE.HNZ. 2020-09-22T12:12:56.13 0.1 undecidable manual S 237 21.1677 114 0.17 95
IV.ASSB.HHZ. 2020-09-22T12:12:56.31 0.1 positive manual P 307 45.8208 50 -0.25 89
IV.MTRA.HNZ. 2020-09-22T12:12:56.46 0.1 undecidable manual S 101 23.6541 112 -0.27 92
IV.SAP2.EHE. 2020-09-22T12:12:56.01 0.3 undecidable manual P 35 40.626 50 0.25 67
IT.MTCL.HGZ. 2020-09-22T12:12:56.43 0.1 undecidable manual S 337 23.6541 112 -0.31 91
IV.MOMA.HHZ. 2020-09-22T12:12:56.39 0.1 negative manual P 271 44.1225 50 0.09 92
IV.LNSS.HNZ. 2020-09-22T12:12:56.03 0.1 undecidable manual S 195 22.3554 113 -0.28 92
IV.MDAR.HNN. 2020-09-22T12:12:56.14 0.3 undecidable manual P 3 43.9227 50 -0.13 69
IV.FEMA.HNZ. 2020-09-22T12:12:55.21 0.1 undecidable manual S 345 18.9699 117 -0.05 97
IV.ARRO.EHZ. 2020-09-22T12:12:55.19 0.1 undecidable manual P 230 37.1295 50 -0.04 95
IV.MF5.EHN. 2020-09-22T12:12:55.16 0.1 undecidable manual P 53 35.3424 50 0.22 91
IV.PF6.EHN. 2020-09-22T12:12:55.23 0.1 undecidable manual P 10 38.4282 50 -0.19 92
IV.CAMP.HHE. 2020-09-22T12:12:55.10 0.1 positive manual P 140 37.8288 50 -0.22 91
IV.SEF1.HNN. 2020-09-22T12:12:55.68 0.3 undecidable manual P 341 41.0256 50 -0.14 69
IV.MMO1.EHZ. 2020-09-22T12:12:55.71 0.1 undecidable manual S 57 20.868 115 -0.13 95
IV.CSP1.EHZ. 2020-09-22T12:12:54.58 0.1 undecidable manual P 13 33.5442 50 -0.09 94
IV.MML1.HNE. 2020-09-22T12:12:54.95 0.1 positive manual P 342 36.9297 50 -0.24 91
IV.RM33.HNE. 2020-09-22T12:12:54.54 0.1 undecidable manual P 165 33.0447 50 -0.05 95
IV.MC2.EHZ. 2020-09-22T12:12:54.07 0.1 undecidable manual S 26 14.1747 124 0.26 94
IV.GUMA.HNN. 2020-09-22T12:12:54.64 0.3 undecidable manual P 32 34.6431 50 -0.19 69
IV.SMA1.EHZ. 2020-09-22T12:12:53.37 0.1 positive manual P 135 25.9518 110 -0.06 96
IV.T1299.EHZ. 2020-09-22T12:12:53.12 0.1 positive manual P 142 22.755 113 0.28 92
IV.FDMO.HHZ. 2020-09-22T12:12:53.44 0.1 undecidable manual P 356 26.6511 110 -0.11 95
IV.CESI.HHZ. 2020-09-22T12:12:53.75 0.1 positive manual P 324 28.5492 50 -0.15 94
IV.MMO1.EHZ. 2020-09-22T12:12:52.46 0.1 positive manual P 57 20.868 115 -0.02 98
IV.FEMA.HNZ. 2020-09-22T12:12:52.38 0.1 undecidable manual P 345 18.9699 117 0.23 94
IV.GAVE.HNZ. 2020-09-22T12:12:52.74 0.1 positive manual P 237 21.1677 114 0.19 94
IV.MTRA.HNZ. 2020-09-22T12:12:52.92 0.1 positive manual P 101 23.6541 112 -0.07 96
IV.LNSS.HNZ. 2020-09-22T12:12:52.93 0.1 undecidable manual P 195 22.3554 113 0.18 94
IT.MTCL.HGZ. 2020-09-22T12:12:52.88 0.1 undecidable manual P 337 23.6541 112 -0.12 95
IV.MC2.EHZ. 2020-09-22T12:12:51.60 0.1 negative manual P 26 14.1747 124 0.29 93
IV.NRCA.HNZ. 2020-09-22T12:12:51.53 0.1 undecidable manual S 3 4.0959 157 0.04 100
IV.NRCA.HNZ. 2020-09-22T12:12:50.27 0.1 negative manual P 3 4.0959 157 0.3 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.7 0.000291263 0.1024 AML other m 2020-09-22T12:12:57.69
IV.FDMO.HHE. ML:1.6 0.0002391879 0.1024 AML other m 2020-09-22T12:12:57.51
IV.CESI.HHE. ML:1.6 0.0001983149 0.0768 AML other m 2020-09-22T12:12:58.63
IV.CESI.HNN. ML:1.8 0.00028385834999999996 0.2432 AML other m 2020-09-22T12:12:58.99
IV.CESI.HHN. ML:1.6 0.00022680980000000002 0.1216 AML other m 2020-09-22T12:12:58.24
IV.CSP1.EHE. ML:1.9 0.0003259416 0.224 AML other m 2020-09-22T12:13:00.01
IV.CSP1.EHN. ML:1.8 0.00023832235000000002 0.2176 AML other m 2020-09-22T12:12:59.60
IV.ASSB.HHE. ML:1.4 0.000067323085 0.2048 AML other m 2020-09-22T12:13:02.84
IV.ASSB.HHN. ML:1.4 0.000068288425 0.1792 AML other m 2020-09-22T12:13:02.85
IV.MOMA.HHN. ML:1.2 0.00004542615 0.1152 AML other m 2020-09-22T12:13:03.61
IV.MOMA.HHE. ML:1.7 0.0001421653 0.2176 AML other m 2020-09-22T12:13:03.79
IV.ATCC.EHN. ML:1.4 0.00005028979 0.7424 AML other m 2020-09-22T12:13:07.23
IV.ATCC.EHE. ML:1.3 0.000039715800000000004 0.32 AML other m 2020-09-22T12:13:07.06
IV.EL6.EHE. ML:1.7 0.00009725357000000001 0.1792 AML other m 2020-09-22T12:13:08.26
IV.EL6.EHN. ML:1.3 0.000039809675000000004 0.2176 AML other m 2020-09-22T12:13:07.62
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