Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 21-05-2022 and time 09:35:00 (Italy) in region 6 km E Norcia (PG)

A magnitude ML 1.9 earthquake occured in region: 6 km E Norcia (PG), on

  • 21-05-2022 07:35:00 (UTC)
  • 21-05-2022 09:35:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8100, 13.1660 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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
Castelsantangelo sul Nera MC 10 281 5238
Arquata del Tronto AP 12 1178 6416
Preci PG 13 724 7140
Montegallo AP 14 523 7663
Accumoli RI 14 667 8330
Visso MC 15 1107 9437
Ussita MC 15 444 9881
Cascia PG 16 3217 13098
Montemonaco AP 17 604 13702

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
51 Km NE of Terni (111501 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
94 Km W of Pescara (121014 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
97 Km NW of Chieti (51815 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
99 Km NE of Tivoli (56533 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 2022-05-21
07:35:00		 42.8098 13.1657 10 2023-01-31
19:03:39		 Bollettino Sismico Italiano INGV 109396631
Reviewed
Rev100 		ML 2.0 2022-05-21
07:35:00		 42.8097 13.1642 10 2022-05-21
07:45:59		 Sala Sismica INGV-Roma 104941851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-21 07:35:00 ± 0.06
Latitude 42.8098 ± 0.0027
Longitude 13.1657 ± 0.0049
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 109396631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 352
Semi-minor axis of confidence ellipse (meter) 301
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 56
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 36
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 62
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.04497
Epicentral distance of station farthest from the epicenter (degree) 0.87054
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 35
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 104941851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-21 07:45:59

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 109396631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-08 13:54:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OFFI.HHZ. 2022-05-21T07:35:16.72 0.6 undecidable manual S 72 44.5221 50 1.91 20
IV.MOMA.HHZ. 2022-05-21T07:35:16.61 0.6 undecidable manual S 269 48.5181 50 0.74 39
IV.MPAG.EHZ. 2022-05-21T07:35:16.91 0.6 undecidable manual P 340 96.6255 50 0.19 42
IV.GIGS.HHZ. 2022-05-21T07:35:16.57 0.3 undecidable manual S 140 51.7038 50 -0.15 69
IV.MNTT.EHZ. 2022-05-21T07:35:16.51 0.6 undecidable manual S 51 44.7219 50 1.64 25
IV.T0110.HHZ. 2022-05-21T07:35:14.46 0.3 undecidable manual P 142 81.4518 50 0.08 66
IV.SAP2.EHE. 2022-05-21T07:35:13.33 0.6 undecidable manual S 31 37.0296 50 0.51 43
IV.MURB.HHZ. 2022-05-21T07:35:13.31 0.3 undecidable manual P 314 72.2721 50 0.34 64
IV.TERO.HHZ. 2022-05-21T07:35:13.69 0.6 undecidable manual S 120 41.3253 50 -0.26 46
IV.RM33.EHZ. 2022-05-21T07:35:12.10 0.6 undecidable manual S 173 33.6441 50 0.2 47
IV.CAMP.HHZ. 2022-05-21T07:35:12.40 0.6 undecidable manual S 147 36.3414 50 -0.22 46
IV.VCEL.EHZ. 2022-05-21T07:35:12.94 0.1 undecidable manual P 130 71.7726 50 0.04 90
IV.MML1.EHZ. 2022-05-21T07:35:12.69 0.6 undecidable manual S 335 37.2294 50 -0.17 47
IV.CSP1.EHZ. 2022-05-21T07:35:11.05 0.6 undecidable manual S 6 31.4463 50 -0.27 46
IV.FOSV.EHZ. 2022-05-21T07:35:11.58 0.3 undecidable manual P 329 62.9925 50 0.04 69
IV.MF5.EHZ. 2022-05-21T07:35:11.71 0.6 undecidable manual S 50 30.9468 50 0.51 44
IV.GUMA.HHZ. 2022-05-21T07:35:11.51 0.3 undecidable manual S 26 31.2465 50 0.24 70
IV.PF6.EHN. 2022-05-21T07:35:11.80 0.6 undecidable manual S 4 36.4413 50 -0.86 38
IV.CESI.HHZ. 2022-05-21T07:35:10.89 0.6 undecidable manual S 316 30.3474 50 -0.13 48
IV.LNSS.HHZ. 2022-05-21T07:35:10.08 0.6 undecidable manual S 204 25.1526 50 0.44 45
IV.GAVE.EHZ. 2022-05-21T07:35:10.04 0.6 undecidable manual S 240 25.6521 50 0.26 47
IV.SMA1.EHZ. 2022-05-21T07:35:09.26 0.6 undecidable manual S 145 24.2535 50 -0.13 48
IV.OFFI.HHZ. 2022-05-21T07:35:09.28 0.1 undecidable manual P 72 44.5221 50 0.59 83
IV.FDMO.HHZ. 2022-05-21T07:35:09.42 0.6 undecidable manual S 346 25.9518 50 -0.43 45
IV.MOMA.HHZ. 2022-05-21T07:35:09.37 0.1 undecidable manual P 269 48.5181 50 0.07 94
IV.MNTT.EHZ. 2022-05-21T07:35:09.21 0.1 undecidable manual P 51 44.7219 50 0.49 86
IV.CESX.HHZ. 2022-05-21T07:35:09.80 0.3 undecidable manual P 245 52.2033 50 -0.07 70
IV.GIGS.HHZ. 2022-05-21T07:35:09.42 0.1 undecidable manual P 140 51.7038 50 -0.37 87
IV.ASSB.HHZ. 2022-05-21T07:35:09.32 0.1 undecidable manual P 302 48.618 50 0 95
IV.SNTG.HHZ. 2022-05-21T07:35:09.74 0.1 undecidable manual P 340 52.6029 50 -0.2 91
IT.MTCL.HGZ. 2022-05-21T07:35:08.99 0.6 undecidable manual S 327 24.4533 50 -0.47 45
IV.MML1.EHZ. 2022-05-21T07:35:07.35 0.1 undecidable manual P 335 37.2294 50 -0.21 93
IV.PF6.EHN. 2022-05-21T07:35:07.01 0.3 undecidable manual P 4 36.4413 50 -0.44 66
IV.TERO.HHZ. 2022-05-21T07:35:07.87 0.1 positive manual P 120 41.3253 50 -0.32 90
IV.SAP2.EHE. 2022-05-21T07:35:07.65 0.3 undecidable manual P 31 37.0296 50 0.12 71
IV.FEMA.HNE. 2022-05-21T07:35:07.68 0.6 undecidable manual S 331 19.3695 118 -0.27 47
IV.MTRA.HNZ. 2022-05-21T07:35:07.75 0.6 undecidable manual S 107 19.6692 118 -0.31 47
IV.CAMP.HHZ. 2022-05-21T07:35:07.23 0.1 undecidable manual P 147 36.3414 50 -0.19 93
7F.SIB2.EHE. 2022-05-21T07:35:06.03 0.6 undecidable manual S 51 14.3745 126 -0.46 46
IV.CSP1.EHZ. 2022-05-21T07:35:06.39 0.1 undecidable manual P 6 31.4463 50 -0.28 92
7F.SIB1.EHE. 2022-05-21T07:35:06.00 0.6 undecidable manual S 42 12.6762 129 -0.02 50
IV.MMO1.EHZ. 2022-05-21T07:35:06.78 0.6 undecidable manual S 53 16.4724 122 -0.3 47
IV.MC2.EHZ. 2022-05-21T07:35:06.05 0.6 undecidable manual S 10 11.3775 132 0.36 47
IV.MF5.EHZ. 2022-05-21T07:35:06.65 0.1 undecidable manual P 50 30.9468 50 0.05 97
IV.CESI.HHZ. 2022-05-21T07:35:06.40 0.1 negative manual P 316 30.3474 50 -0.1 96
IV.RM33.EHZ. 2022-05-21T07:35:06.87 0.1 undecidable manual P 173 33.6441 50 -0.14 95
IV.GUMA.HHZ. 2022-05-21T07:35:06.63 0.1 undecidable manual P 26 31.2465 50 -0.01 98
IT.MTCL.HGZ. 2022-05-21T07:35:05.38 0.1 undecidable manual P 327 24.4533 50 -0.22 95
IV.GAVE.EHZ. 2022-05-21T07:35:05.86 0.1 undecidable manual P 240 25.6521 50 0.07 98
IV.SMA1.EHZ. 2022-05-21T07:35:05.46 0.1 negative manual P 145 24.2535 50 -0.1 97
IV.FDMO.HHZ. 2022-05-21T07:35:05.53 0.1 positive manual P 346 25.9518 50 -0.3 93
7F.SIB3.EHN. 2022-05-21T07:35:05.32 0.6 undecidable manual S 49 11.1777 133 -0.3 48
IV.LNSS.HHZ. 2022-05-21T07:35:05.78 0.1 undecidable manual P 204 25.1526 50 0.08 98
IV.FEMA.HNE. 2022-05-21T07:35:05.07 0.3 undecidable manual P 331 19.3695 118 0.34 70
IV.NRCA.HNZ. 2022-05-21T07:35:04.63 0.6 undecidable manual S 302 4.995 155 0.31 48
IV.MMO1.EHZ. 2022-05-21T07:35:04.14 0.1 undecidable manual P 53 16.4724 122 -0.08 99
IV.MTRA.HNZ. 2022-05-21T07:35:04.64 0.3 undecidable manual P 107 19.6692 118 -0.15 73
7F.SIB3.EHN. 2022-05-21T07:35:03.38 0.3 undecidable manual P 49 11.1777 133 0 76
7F.SIB2.EHE. 2022-05-21T07:35:03.84 0.1 undecidable manual P 51 14.3745 126 -0.05 100
7F.SIB1.EHE. 2022-05-21T07:35:03.82 0.1 undecidable manual P 42 12.6762 129 0.21 97
IV.MC2.EHZ. 2022-05-21T07:35:03.67 0.1 undecidable manual P 10 11.3775 132 0.25 96
IV.NRCA.HNZ. 2022-05-21T07:35:02.99 0.3 undecidable manual P 302 4.995 155 0.36 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.4 0.00362 1.34 AML other m 2022-05-21T07:35:05.85
IV.NRCA.HHE. ML:2.4 0.0038799999999999998 1.34 AML other m 2022-05-21T07:35:05.85
IV.NRCA.HHN. ML:2.6 0.00667 0.12 AML other m 2022-05-21T07:35:05.53
IV.NRCA.HNN. ML:2.6 0.006234999999999999 0.12 AML other m 2022-05-21T07:35:05.53
IV.MMO1.EHE. ML:2.1 0.00108 0.58 AML other m 2022-05-21T07:35:07.29
IV.MMO1.EHN. ML:2.5 0.002845 1.72 AML other m 2022-05-21T07:35:07.03
IV.MTRA.HNE. ML:2.0 0.0008365 0.12 AML other m 2022-05-21T07:35:09.26
IV.MTRA.EHE. ML:2.0 0.0008340000000000001 0.14 AML other m 2022-05-21T07:35:09.27
IV.SMA1.EHE. ML:1.9 0.00054 0.26 AML other m 2022-05-21T07:35:09.47
IV.MTRA.HNN. ML:2.0 0.000743 0.28 AML other m 2022-05-21T07:35:09.40
IV.MTRA.EHN. ML:2.0 0.0007455000000000001 0.3 AML other m 2022-05-21T07:35:09.41
IV.FDMO.HHN. ML:2.0 0.0005455000000000001 0.26 AML other m 2022-05-21T07:35:09.64
IV.FDMO.HHE. ML:1.8 0.0003645 0.2 AML other m 2022-05-21T07:35:09.64
IV.SMA1.EHN. ML:1.9 0.000546 0.1 AML other m 2022-05-21T07:35:10.11
IV.LNSS.HHN. ML:2.0 0.0006194999999999999 0.24 AML other m 2022-05-21T07:35:10.24
IV.LNSS.HHE. ML:2.0 0.0005665000000000001 0.84 AML other m 2022-05-21T07:35:10.62
IV.CESI.HHE. ML:1.7 0.00022849999999999997 0.38 AML other m 2022-05-21T07:35:11.28
IV.CESI.HHN. ML:2.1 0.0006259999999999999 0.4 AML other m 2022-05-21T07:35:11.40
IV.GAVE.EHN. ML:1.9 0.0005235000000000001 0.22 AML other m 2022-05-21T07:35:11.47
IV.MF5.EHN. ML:1.9 0.00039549999999999996 1.62 AML other m 2022-05-21T07:35:11.87
IV.MF5.EHE. ML:2.0 0.0005155 0.16 AML other m 2022-05-21T07:35:12.25
IV.CAMP.HHE. ML:1.9 0.00032250000000000003 0.18 AML other m 2022-05-21T07:35:12.69
IV.RM33.EHN. ML:1.8 0.000272 0.68 AML other m 2022-05-21T07:35:12.53
IV.GAVE.EHE. ML:2.0 0.0005675 0.2 AML other m 2022-05-21T07:35:13.08
IV.MML1.EHE. ML:1.7 0.000183 0.12 AML other m 2022-05-21T07:35:13.10
IV.GUMA.HHN. ML:2.4 0.0010995 1.6 AML other m 2022-05-21T07:35:13.96
IV.CAMP.HHN. ML:1.7 0.000208 1.06 AML other m 2022-05-21T07:35:13.79
IV.MML1.EHN. ML:1.7 0.0002035 0.66 AML other m 2022-05-21T07:35:13.24
IV.TERO.HHN. ML:2.1 0.0004185 1.7 AML other m 2022-05-21T07:35:14.97
IV.TERO.HHE. ML:2.0 0.000352 0.3 AML other m 2022-05-21T07:35:14.34
IV.RM33.EHE. ML:1.9 0.0003075 0.16 AML other m 2022-05-21T07:35:14.31
IV.ASSB.HHN. ML:1.6 0.0001124 0.2 AML other m 2022-05-21T07:35:16.60
IV.GUMA.HHE. ML:2.2 0.000752 1.64 AML other m 2022-05-21T07:35:17.03
IV.GIGS.HHE. ML:1.3 0.000043049999999999996 0.68 AML other m 2022-05-21T07:35:17.14
IV.GIGS.HHN. ML:1.3 0.00004265 1.02 AML other m 2022-05-21T07:35:17.31
IV.MOMA.HHN. ML:1.9 0.00021050000000000002 0.32 AML other m 2022-05-21T07:35:17.32
IV.ASSB.HHE. ML:1.6 0.00010300000000000001 0.54 AML other m 2022-05-21T07:35:17.71
IV.CESX.HHE. ML:1.6 0.00009525 0.42 AML other m 2022-05-21T07:35:17.64
IV.OFFI.HHN. ML:2.3 0.0005549999999999999 1.54 AML other m 2022-05-21T07:35:17.09
IV.MOMA.HHE. ML:1.9 0.000202 0.66 AML other m 2022-05-21T07:35:17.92
IV.MNTT.EHN. ML:2.3 0.000689 1.76 AML other m 2022-05-21T07:35:18.97
IV.MNTT.EHE. ML:2.3 0.0005855 0.32 AML other m 2022-05-21T07:35:18.35
IV.CESX.HHN. ML:1.8 0.00014050000000000003 0.6 AML other m 2022-05-21T07:35:18.96
IV.SNTG.HHE. ML:1.4 0.00006235 0.5 AML other m 2022-05-21T07:35:19.73
IV.OFFI.HHE. ML:2.0 0.00033850000000000004 1.42 AML other m 2022-05-21T07:35:20.13
IV.SNTG.HHN. ML:1.5 0.00007745 0.58 AML other m 2022-05-21T07:35:20.71
IV.VCEL.EHE. ML:1.8 0.00010375000000000001 0.28 AML other m 2022-05-21T07:35:26.76
IV.VCEL.EHN. ML:1.8 0.0001015 1.46 AML other m 2022-05-21T07:35:26.93
IV.T0110.HHN. ML:1.8 0.0000847 1.62 AML other m 2022-05-21T07:35:27.12
IV.T0110.HHE. ML:1.8 0.00008499999999999999 0.78 AML other m 2022-05-21T07:35:28.52
IV.MURB.HHN. ML:1.8 0.00010065000000000001 0.34 AML other m 2022-05-21T07:35:29.39
IV.MURB.HHE. ML:1.9 0.00013550000000000001 0.32 AML other m 2022-05-21T07:35:30.49
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