Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 20-02-2022 and time 01:13:53 (UTC) in region 6 km E Norcia (PG)

A magnitude ML 1.6 earthquake occured in region: 6 km E Norcia (PG), on

  • 20-02-2022 01:13:53 (UTC)
  • 20-02-2022 02:13:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7800, 13.1590 at 7 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 6 4957 4957
Arquata del Tronto AP 11 1178 6135
Accumoli RI 12 667 6802
Castelsantangelo sul Nera MC 13 281 7083
Cascia PG 14 3217 10300
Preci PG 15 724 11024
Montegallo AP 16 523 11547
Cittareale RI 18 482 12029
Visso MC 18 1107 13136
Ussita MC 19 444 13580
Montemonaco AP 19 604 14184
Poggiodomo PG 20 117 14301
Amatrice RI 20 2657 16958

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
48 Km NE of Terni (111501 inhabitants)
51 Km NW of L'Aquila (69753 inhabitants)
73 Km SE of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
93 Km W of Pescara (121014 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
95 Km NW of Chieti (51815 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
98 Km SW of Ancona (100861 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 2022-02-20
01:13:53		 42.7795 13.1592 7 2022-07-08
12:33:30		 Bollettino Sismico Italiano INGV 101206011
Reviewed
Rev100 		ML 1.8 2022-02-20
01:13:53		 42.7832 13.1612 9 2022-02-20
01:21:51		 Sala Sismica INGV-Roma 101153061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-20 01:13:53 ± 0.05
Latitude 42.7795 ± 0.0027
Longitude 13.1592 ± 0.0037
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101206011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 262
Semi-minor axis of confidence ellipse (meter) 234
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 78
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) 33
Number of associated phases, regardless of their use for origin computation 75
Number of defining phases 75
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) 0.06295
Epicentral distance of station farthest from the epicenter (degree) 0.89752
Number of stations at which the event was observed 39
Number of stations from which data was used for origin computation 39
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 47
Type of magnitude ML
Reference to an origin 101206011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-06-13 08:34:03

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 101153061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-20 01:21:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPAG.EHZ. 2022-02-20T01:14:25.45 0.6 undecidable manual S 341 99.6225 50 1.59 22
IV.FRON.EHZ. 2022-02-20T01:14:21.91 0.6 undecidable manual S 337 89.0442 50 0.87 34
IV.ARVD.HHZ. 2022-02-20T01:14:20.07 0.6 undecidable manual S 348 81.6516 50 1.02 32
IV.SSFR.HHZ. 2022-02-20T01:14:19.37 0.6 undecidable manual S 337 78.9654 50 1.02 32
IV.FAGN.HHZ. 2022-02-20T01:14:15.74 0.3 undecidable manual S 149 66.7776 50 0.67 57
IV.CING.HHZ. 2022-02-20T01:14:15.78 0.6 undecidable manual S 3 66.1893 50 0.85 35
IV.ATCC.EHZ. 2022-02-20T01:14:14.40 0.6 undecidable manual S 317 61.6938 50 0.68 38
IV.EL6.EHZ. 2022-02-20T01:14:14.23 0.6 undecidable manual S 356 61.1943 50 0.64 39
IV.SNTG.HHZ. 2022-02-20T01:14:12.23 0.6 undecidable manual S 342 55.5999 50 0.11 45
IV.FIAM.HHZ. 2022-02-20T01:14:12.44 0.3 undecidable manual S 183 56.7987 50 0.01 69
IV.MPAG.EHZ. 2022-02-20T01:14:11.11 0.3 undecidable manual P 341 99.6225 50 -0.11 62
IV.ASSB.HHZ. 2022-02-20T01:14:10.65 0.6 undecidable manual S 306 50.0166 50 0.03 46
IV.MOMA.HHZ. 2022-02-20T01:14:10.46 0.6 undecidable manual S 273 48.0186 50 0.38 43
IV.FRON.EHZ. 2022-02-20T01:14:09.24 0.3 undecidable manual P 337 89.0442 50 -0.35 60
IV.SAP2.EHE. 2022-02-20T01:14:08.39 0.6 undecidable manual S 29 40.2264 50 0.39 44
IV.ARVD.HHZ. 2022-02-20T01:14:08.18 0.3 undecidable manual P 348 81.6516 50 -0.27 62
IV.SSFR.HHZ. 2022-02-20T01:14:07.84 0.3 undecidable manual P 337 78.9654 50 -0.2 64
IV.MURB.HHZ. 2022-02-20T01:14:07.32 0.3 undecidable manual P 316 74.37 50 0 67
IV.TERO.HHZ. 2022-02-20T01:14:07.37 0.6 undecidable manual S 115 40.2264 50 -0.63 41
IV.ARRO.EHZ. 2022-02-20T01:14:07.39 0.3 undecidable manual S 235 39.0276 50 -0.29 67
IV.MML1.EHZ. 2022-02-20T01:14:07.73 0.6 undecidable manual S 338 40.0266 50 -0.22 45
IV.PF6.EHN. 2022-02-20T01:14:07.36 0.3 undecidable manual S 4 39.8268 50 -0.54 63
IV.MF5.EHZ. 2022-02-20T01:14:06.51 0.6 undecidable manual S 46 33.6441 102 0.61 41
IV.ASCOL.EHN. 2022-02-20T01:14:06.39 0.3 undecidable manual S 77 35.9418 101 -0.29 68
IV.FAGN.HHZ. 2022-02-20T01:14:06.33 0.3 undecidable manual P 149 66.7776 50 0.18 65
IV.GUMA.HHZ. 2022-02-20T01:14:06.55 0.6 undecidable manual S 24 34.5432 102 0.35 45
IV.CSP1.EHZ. 2022-02-20T01:14:05.99 0.6 undecidable manual S 6 34.8429 102 -0.32 45
IV.CING.HHZ. 2022-02-20T01:14:05.65 0.3 undecidable manual P 3 66.1893 50 -0.42 62
IV.CAMP.HHZ. 2022-02-20T01:14:05.78 0.6 undecidable manual S 143 33.8439 102 -0.19 46
IV.CESI.HHZ. 2022-02-20T01:14:05.35 0.6 undecidable manual S 320 32.4453 103 -0.15 47
IV.ATCC.EHZ. 2022-02-20T01:14:05.12 0.1 undecidable manual P 317 61.6938 50 -0.25 87
IV.FIAM.HHZ. 2022-02-20T01:14:04.17 0.3 undecidable manual P 183 56.7987 50 -0.46 63
IV.FDMO.HHZ. 2022-02-20T01:14:04.25 0.6 undecidable manual S 348 29.1486 104 -0.12 47
IV.SNTG.HHZ. 2022-02-20T01:14:04.04 0.1 undecidable manual P 342 55.5999 50 -0.4 85
IV.EL6.EHZ. 2022-02-20T01:14:04.88 0.1 undecidable manual P 356 61.1943 50 -0.41 84
IV.RM33.EHZ. 2022-02-20T01:14:04.82 0.6 undecidable manual S 171 30.3474 103 0.04 48
IV.ASSB.HHZ. 2022-02-20T01:14:03.17 0.1 undecidable manual P 306 50.0166 50 -0.41 85
IV.OFFI.HHZ. 2022-02-20T01:14:03.51 0.1 undecidable manual P 68 46.2204 50 0.53 83
IT.MTCL.HGZ. 2022-02-20T01:14:03.65 0.3 undecidable manual S 331 27.0507 105 -0.04 72
IV.GAVE.EHZ. 2022-02-20T01:14:03.08 0.6 undecidable manual S 246 23.6541 107 0.54 43
IV.MOMA.HHZ. 2022-02-20T01:14:03.24 0.1 undecidable manual P 273 48.0186 50 -0.03 93
IV.MNTT.EHZ. 2022-02-20T01:14:03.68 0.1 undecidable manual P 48 47.3193 50 0.52 84
IV.SMA1.EHZ. 2022-02-20T01:14:02.32 0.6 undecidable manual S 139 21.867 108 0.36 45
IV.SAP2.EHE. 2022-02-20T01:14:02.28 0.3 undecidable manual P 29 40.2264 50 0.22 68
IV.FEMA.HNZ. 2022-02-20T01:14:02.27 0.3 undecidable manual S 336 22.1556 108 0.23 70
IV.LNSS.HHZ. 2022-02-20T01:14:02.40 0.6 undecidable manual S 206 21.867 108 0.45 45
IV.ASCOL.EHN. 2022-02-20T01:14:01.08 0.3 undecidable manual P 77 35.9418 101 -0.22 68
IV.PF6.EHN. 2022-02-20T01:14:01.43 0.3 undecidable manual P 4 39.8268 50 -0.58 62
IV.TERO.HHZ. 2022-02-20T01:14:01.45 0.1 undecidable manual P 115 40.2264 50 -0.61 82
IV.MTRA.HNE. 2022-02-20T01:14:01.69 0.6 undecidable manual S 97 19.4694 110 0.51 44
IV.MF5.EHZ. 2022-02-20T01:14:01.01 0.1 undecidable manual P 46 33.6441 102 0.16 93
IV.MML1.EHZ. 2022-02-20T01:14:01.56 0.1 undecidable manual P 338 40.0266 50 -0.48 86
IV.ARRO.EHZ. 2022-02-20T01:14:01.56 0.3 undecidable manual P 235 39.0276 50 -0.32 67
IV.CSP1.EHZ. 2022-02-20T01:14:00.75 0.1 undecidable manual P 6 34.8429 102 -0.34 89
IV.GUMA.HHZ. 2022-02-20T01:14:00.97 0.1 undecidable manual P 24 34.5432 102 -0.05 95
7F.SIB2.EHE. 2022-02-20T01:14:00.29 0.6 undecidable manual S 44 17.0718 113 -0.11 48
IV.MC2.EHZ. 2022-02-20T01:14:00.05 0.6 undecidable manual S 9 14.874 116 0.36 46
IV.CESI.HHZ. 2022-02-20T01:14:00.44 0.1 undecidable manual P 320 32.4453 103 -0.18 93
IV.CAMP.HHZ. 2022-02-20T01:14:00.77 0.3 undecidable manual P 143 33.8439 102 -0.12 70
IV.RM33.EHZ. 2022-02-20T01:14:00.09 0.1 undecidable manual P 171 30.3474 103 -0.12 94
7F.SIB3.EHE. 2022-02-20T01:13:59.08 0.6 undecidable manual S 40 13.9749 118 -0.33 46
IV.FDMO.HHZ. 2022-02-20T01:13:59.68 0.1 undecidable manual P 348 29.1486 104 -0.29 91
IV.FEMA.HNZ. 2022-02-20T01:13:59.30 0.3 undecidable manual P 336 22.1556 108 0.68 62
IV.GAVE.EHZ. 2022-02-20T01:13:59.14 0.1 undecidable manual P 246 23.6541 107 0.23 93
IT.MTCL.HGZ. 2022-02-20T01:13:59.45 0.3 undecidable manual P 331 27.0507 105 -0.13 71
7F.SIB1.EHE. 2022-02-20T01:13:59.90 0.6 undecidable manual S 35 15.6732 115 -0.04 49
IV.MTRA.HNE. 2022-02-20T01:13:58.42 0.3 undecidable manual P 97 19.4694 110 0.29 69
IV.SMA1.EHZ. 2022-02-20T01:13:58.73 0.1 undecidable manual P 139 21.867 108 0.15 95
IV.LNSS.HHZ. 2022-02-20T01:13:58.80 0.1 undecidable manual P 206 21.867 108 0.23 93
7F.SIB2.EHE. 2022-02-20T01:13:57.56 0.1 undecidable manual P 44 17.0718 113 -0.12 96
IV.MC2.EHZ. 2022-02-20T01:13:57.42 0.1 negative manual P 9 14.874 116 0.15 96
IV.NRCA.HHZ. 2022-02-20T01:13:57.36 0.6 undecidable manual S 329 6.993 136 -0.1 49
7F.SIB1.EHE. 2022-02-20T01:13:57.39 0.1 undecidable manual P 35 15.6732 115 -0.02 98
7F.SIB3.EHE. 2022-02-20T01:13:56.95 0.1 undecidable manual P 40 13.9749 118 -0.15 96
IV.NRCA.HHZ. 2022-02-20T01:13:56.00 0.1 positive manual P 329 6.993 136 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.4 0.004608037 0.38 AML other m 2022-02-20T01:13:57.75
IV.NRCA.HHN. ML:2.3 0.0038760155 0.1 AML other m 2022-02-20T01:13:57.69
IV.NRCA.HNN. ML:2.3 0.0035182275000000002 0.1104 AML other m 2022-02-20T01:13:57.74
IV.NRCA.HHE. ML:2.5 0.0057093694999999995 0.14 AML other m 2022-02-20T01:13:57.82
IV.MC2.EHE. ML:2.2 0.0015784294999999999 0.6 AML other m 2022-02-20T01:14:00.56
IV.MC2.EHN. ML:2.4 0.002411093 0.16 AML other m 2022-02-20T01:14:00.62
IV.LNSS.HHN. ML:1.6 0.0002655396 0.2 AML other m 2022-02-20T01:14:02.56
IV.LNSS.HNE. ML:1.5 0.0002468642 0.2104 AML other m 2022-02-20T01:14:02.78
IV.LNSS.HHE. ML:1.5 0.00024106715 0.2 AML other m 2022-02-20T01:14:02.78
IV.LNSS.HNN. ML:1.6 0.00028086575000000003 0.34 AML other m 2022-02-20T01:14:02.55
IV.GAVE.HNE. ML:1.7 0.00033153615000000006 0.3696 AML other m 2022-02-20T01:14:03.39
IV.GAVE.EHE. ML:1.7 0.0003188986 0.4 AML other m 2022-02-20T01:14:03.21
IV.GAVE.EHN. ML:1.6 0.00025520175 0.2 AML other m 2022-02-20T01:14:03.71
IV.FDMO.HHE. ML:1.4 0.00013235055000000002 0.26 AML other m 2022-02-20T01:14:04.57
IV.FDMO.HHN. ML:1.4 0.00014139479999999998 0.28 AML other m 2022-02-20T01:14:04.44
IV.RM33.EHE. ML:1.3 0.00010332908 0.34 AML other m 2022-02-20T01:14:05.16
IV.RM33.HNN. ML:1.5 0.00016692385000000002 0.2992 AML other m 2022-02-20T01:14:05.15
IV.RM33.EHN. ML:1.5 0.00014781343999999998 0.3 AML other m 2022-02-20T01:14:05.15
IV.CESI.HNE. ML:1.6 0.0001778223 0.3696 AML other m 2022-02-20T01:14:06.03
IV.CESI.HNN. ML:2.0 0.0004226508 0.22 AML other m 2022-02-20T01:14:05.92
IV.CESI.HHN. ML:2.0 0.00049106495 0.2 AML other m 2022-02-20T01:14:05.92
IV.CESI.HHE. ML:1.7 0.00021393615 0.2 AML other m 2022-02-20T01:14:06.04
IV.CSP1.EHN. ML:1.9 0.0003237795 0.36 AML other m 2022-02-20T01:14:06.54
IV.CAMP.HHN. ML:1.1 0.000057458625 0.22 AML other m 2022-02-20T01:14:06.39
IV.CAMP.HHE. ML:1.1 0.000051955205 0.34 AML other m 2022-02-20T01:14:06.51
IV.GUMA.HHN. ML:1.8 0.0002859133 0.34 AML other m 2022-02-20T01:14:06.98
IV.GUMA.HNE. ML:1.8 0.00026094415000000004 0.38 AML other m 2022-02-20T01:14:07.01
IV.MF5.EHN. ML:1.9 0.0003360864 0.46 AML other m 2022-02-20T01:14:07.03
IV.MF5.EHE. ML:2.0 0.000388 0.32 AML other m 2022-02-20T01:14:07.26
IV.GUMA.HNN. ML:1.8 0.0002672789 0.3504 AML other m 2022-02-20T01:14:06.96
IV.TERO.HHN. ML:1.5 0.0001192 0.12 AML other m 2022-02-20T01:14:07.83
IV.MML1.EHE. ML:1.4 0.000090418355 0.4 AML other m 2022-02-20T01:14:07.92
IV.TERO.HNN. ML:1.6 0.0001248049 0.1104 AML other m 2022-02-20T01:14:07.90
IV.TERO.HHE. ML:1.4 0.000085334665 0.34 AML other m 2022-02-20T01:14:07.97
IV.TERO.HNE. ML:1.6 0.000131878845 0.3296 AML other m 2022-02-20T01:14:07.81
IV.MML1.EHN. ML:1.4 0.00007893306999999999 0.2 AML other m 2022-02-20T01:14:07.99
IV.MML1.HNN. ML:1.4 0.000085134565 0.18 AML other m 2022-02-20T01:14:08.08
IV.ASSB.HHE. ML:1.8 0.00017671195 0.24 AML other m 2022-02-20T01:14:10.96
IV.MOMA.HHN. ML:1.2 0.000046930335 0.48 AML other m 2022-02-20T01:14:11.10
IV.ASSB.HHN. ML:1.5 0.00009046799 0.12 AML other m 2022-02-20T01:14:10.00
IV.SNTG.HHE. ML:1.4 0.000053827185 0.3 AML other m 2022-02-20T01:14:12.40
IV.SNTG.HHN. ML:1.3 0.000043407809999999995 0.28 AML other m 2022-02-20T01:14:12.56
IV.ATCC.HNN. ML:1.9 0.00015167 0.46 AML other m 2022-02-20T01:14:14.63
IV.ATCC.EHE. ML:1.5 0.000069785815 0.34 AML other m 2022-02-20T01:14:14.83
IV.ATCC.EHN. ML:1.6 0.0000909 0.66 AML other m 2022-02-20T01:14:14.64
IV.CING.HHN. ML:1.1 0.0000265618185 0.48 AML other m 2022-02-20T01:14:15.85
IV.CING.HHE. ML:1.4 0.0000492 0.52 AML other m 2022-02-20T01:14:16.34
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