Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 11-04-2022 and time 12:21:40 (UTC) in region 2 km NE Amatrice (RI)

A magnitude ML 1.9 earthquake occured in region: 2 km NE Amatrice (RI), on

  • 11-04-2022 12:21:40 (UTC)
  • 11-04-2022 14:21:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6490, 13.3010 at 8 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
Amatrice RI 2 2657 2657
Accumoli RI 7 667 3324
Campotosto AQ 12 542 3866
Cittareale RI 12 482 4348
Arquata del Tronto AP 14 1178 5526
Capitignano AQ 14 665 6191
Montereale AQ 15 2581 8772
Acquasanta Terme AP 16 2916 11688
Cortino TE 17 656 12344
Crognaleto TE 18 1297 13641
Valle Castellana TE 19 977 14618
Rocca Santa Maria TE 19 537 15155

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Teramo (54892 inhabitants)
34 Km N of L'Aquila (69753 inhabitants)
54 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
78 Km W of Pescara (121014 inhabitants)
78 Km W of Chieti (51815 inhabitants)
86 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
90 Km SE of Perugia (166134 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 2022-04-11
12:21:40		 42.6492 13.3013 9 2022-07-08
12:33:50		 Bollettino Sismico Italiano INGV 103890621
Reviewed
Rev100 		ML 2.0 2022-04-11
12:21:40		 42.6432 13.3035 11 2022-04-11
12:29:58		 Sala Sismica INGV-Roma 103080211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-11 12:21:40 ± 0.06
Latitude 42.6492 ± 0.0027
Longitude 13.3013 ± 0.0049
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 103890621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 386
Semi-minor axis of confidence ellipse (meter) 241
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 90
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 63
Number of defining phases 60
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.73025
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 103890621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-28 11:34:20

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 103080211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-11 12:29:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LRP.EHE. 2022-04-11T12:22:13.17 3.0 undecidable manual S -0.66 0
IV.CING.HNZ. 2022-04-11T12:22:05.81 0.6 undecidable manual S 354 81.0522 50 1.06 33
IV.PP3.EHZ. 2022-04-11T12:22:04.33 3.0 undecidable manual S -2.93 0
IV.MOMA.HHZ. 2022-04-11T12:22:00.29 0.6 undecidable manual S 286 61.9935 50 0.62 42
IV.T0110.HHZ. 2022-04-11T12:21:59.94 0.6 undecidable manual S 140 60.6948 50 0.63 42
IV.CESX.HHZ. 2022-04-11T12:21:59.13 0.6 undecidable manual S 266 58.497 50 0.4 45
IV.SAP2.EHN. 2022-04-11T12:21:57.22 0.6 undecidable manual S 9 50.3163 50 0.68 42
IV.PF6.EHN. 2022-04-11T12:21:57.80 0.6 undecidable manual S 351 54.9006 50 0.03 49
IV.VCEL.EHN. 2022-04-11T12:21:57.55 0.6 undecidable manual S 122 52.3032 50 0.46 45
IV.CSP1.EHZ. 2022-04-11T12:21:56.29 0.6 undecidable manual S 351 49.7169 50 -0.1 49
IV.CESI.HHZ. 2022-04-11T12:21:56.60 0.6 undecidable manual S 321 51.0156 50 -0.12 49
IV.FDMO.HHZ. 2022-04-11T12:21:55.43 0.6 undecidable manual S 338 46.3203 50 -0.06 50
IV.GUMA.HHZ. 2022-04-11T12:21:55.97 0.3 undecidable manual S 3 45.9207 50 0.58 66
IV.ARRO.EHZ. 2022-04-11T12:21:54.71 0.6 undecidable manual S 260 44.4222 50 -0.26 48
IV.ARVD.HHZ. 2022-04-11T12:21:54.28 3.0 negative manual P -2.97 0
IV.MF5.EHZ. 2022-04-11T12:21:54.14 0.3 undecidable manual S 19 39.7269 50 0.42 70
IV.CING.HNZ. 2022-04-11T12:21:54.51 0.6 undecidable manual P 354 81.0522 50 0.19 45
IV.FIAM.HHE. 2022-04-11T12:21:54.75 0.6 undecidable manual S 200 44.9217 50 -0.35 47
IV.EL6.EHZ. 2022-04-11T12:21:54.54 0.6 undecidable manual P 348 77.1672 50 0.81 38
IV.ASSB.HHN. 2022-04-11T12:21:52.44 0.6 undecidable manual P 310 68.0763 50 0.11 47
IV.GAVE.EHN. 2022-04-11T12:21:51.76 0.6 undecidable manual S 278 33.5442 50 -0.31 48
IV.MOMA.HHZ. 2022-04-11T12:21:51.45 0.3 undecidable manual P 286 61.9935 50 0.06 73
IV.MC2.EHZ. 2022-04-11T12:21:50.58 0.6 undecidable manual S 343 30.5472 106 -0.49 47
IV.CESX.HHZ. 2022-04-11T12:21:50.48 0.6 undecidable manual P 266 58.497 50 -0.37 46
IV.T0110.HHZ. 2022-04-11T12:21:50.78 0.6 undecidable manual P 140 60.6948 50 -0.4 45
IV.MML1.EHZ. 2022-04-11T12:21:50.79 0.6 undecidable manual P 333 58.0974 50 0.01 49
IV.GIGS.HHZ. 2022-04-11T12:21:50.29 0.6 undecidable manual S 134 31.0467 105 -0.96 38
IV.MNTT.EHZ. 2022-04-11T12:21:50.32 0.6 undecidable manual P 27 51.7038 50 0.52 45
IV.CESI.HHZ. 2022-04-11T12:21:49.39 0.3 undecidable manual P 321 51.0156 50 -0.3 70
7F.SIB2.EHE. 2022-04-11T12:21:49.48 0.6 undecidable manual S 0 26.8509 108 -0.37 48
IV.OFFI.HHZ. 2022-04-11T12:21:49.13 0.3 undecidable manual P 44 44.5221 50 0.43 69
7F.SIB1.EHE. 2022-04-11T12:21:49.99 0.6 undecidable manual S 355 27.3504 107 -0.03 52
IV.SAP2.EHN. 2022-04-11T12:21:49.41 0.6 undecidable manual P 9 50.3163 50 -0.17 48
IV.PF6.EHN. 2022-04-11T12:21:49.88 0.6 undecidable manual P 351 54.9006 50 -0.42 45
IV.MMO1.EHN. 2022-04-11T12:21:49.90 0.6 undecidable manual S 4 27.8499 107 -0.28 49
IV.VCEL.EHN. 2022-04-11T12:21:49.74 0.3 undecidable manual P 122 52.3032 50 -0.16 72
7F.SIB3.EHZ. 2022-04-11T12:21:49.02 0.6 undecidable manual S 354 25.1526 109 -0.29 49
IV.CSP1.EHZ. 2022-04-11T12:21:49.26 0.3 undecidable manual P 351 49.7169 50 -0.24 72
IV.NRCA.HHN. 2022-04-11T12:21:49.23 0.6 undecidable manual S 323 25.5522 108 -0.18 50
IV.MF5.EHZ. 2022-04-11T12:21:48.00 0.3 undecidable manual P 19 39.7269 50 0.05 76
IV.GUMA.HHZ. 2022-04-11T12:21:48.88 0.3 undecidable manual P 3 45.9207 50 -0.04 75
IV.TERO.HHZ. 2022-04-11T12:21:48.46 0.6 undecidable manual S 97 24.8529 109 -0.74 43
IV.FIAM.HHE. 2022-04-11T12:21:48.29 0.3 undecidable manual P 200 44.9217 50 -0.46 69
IV.LNSS.HHN. 2022-04-11T12:21:48.63 0.6 undecidable manual S 257 21.9669 111 0.39 48
IV.ARRO.EHZ. 2022-04-11T12:21:48.30 0.6 undecidable manual P 260 44.4222 50 -0.38 47
IV.FDMO.HHZ. 2022-04-11T12:21:48.69 0.3 undecidable manual P 338 46.3203 50 -0.29 71
IT.MTCL.HGZ. 2022-04-11T12:21:48.42 0.3 undecidable manual P 327 45.4212 50 -0.42 69
IV.MC2.EHZ. 2022-04-11T12:21:46.37 0.3 undecidable manual P 343 30.5472 106 -0.05 77
IV.GAVE.EHN. 2022-04-11T12:21:46.71 0.1 positive manual P 278 33.5442 50 -0.29 97
IV.RM33.EHZ. 2022-04-11T12:21:46.96 0.6 undecidable manual S 205 17.0718 116 0.26 50
IV.MMO1.EHN. 2022-04-11T12:21:45.82 0.6 undecidable manual P 4 27.8499 107 -0.09 51
7F.SIB3.EHZ. 2022-04-11T12:21:45.29 0.3 undecidable manual P 354 25.1526 109 -0.12 77
IV.GIGS.HHZ. 2022-04-11T12:21:45.88 0.3 undecidable manual P 134 31.0467 105 -0.65 66
IV.NRCA.HHN. 2022-04-11T12:21:45.44 0.3 undecidable manual P 323 25.5522 108 -0.03 78
IV.TERO.HHZ. 2022-04-11T12:21:45.01 0.3 undecidable manual P 97 24.8529 109 -0.33 73
7F.SIB2.EHE. 2022-04-11T12:21:45.53 0.3 undecidable manual P 0 26.8509 108 -0.19 75
IV.MTRA.HNZ. 2022-04-11T12:21:45.84 0.3 undecidable manual S 33 14.2746 121 0.01 80
7F.SIB1.EHE. 2022-04-11T12:21:45.74 0.3 undecidable manual P 355 27.3504 107 -0.08 77
IV.LNSS.HHN. 2022-04-11T12:21:45.04 0.1 positive manual P 257 21.9669 111 0.25 100
IV.RM33.EHZ. 2022-04-11T12:21:44.29 0.1 positive manual P 205 17.0718 116 0.38 98
IV.SMA1.EHZ. 2022-04-11T12:21:44.10 0.3 undecidable manual S 127 3.4965 158 0.84 64
IV.MTRA.HNZ. 2022-04-11T12:21:43.63 0.3 undecidable manual P 33 14.2746 121 0.23 76
IV.SMA1.EHZ. 2022-04-11T12:21:42.64 0.1 negative manual P 127 3.4965 158 0.72 89
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:2.6 0.005249750000000001 0.1152 AML other m 2022-04-11T12:21:44.19
IV.SMA1.EHE. ML:2.5 0.004245562 0.096 AML other m 2022-04-11T12:21:44.20
IV.RM33.HNN. ML:2.1 0.001172 0.16 AML other m 2022-04-11T12:21:47.35
IV.RM33.EHN. ML:2.1 0.0011091817 0.16 AML other m 2022-04-11T12:21:47.36
IV.RM33.HNE. ML:2.1 0.0011600000000000002 0.32 AML other m 2022-04-11T12:21:47.53
IV.RM33.EHE. ML:2.1 0.001145 0.32 AML other m 2022-04-11T12:21:47.54
IV.TERO.HHN. ML:2.0 0.0005919526 0.16 AML other m 2022-04-11T12:21:48.58
IV.TERO.HHE. ML:2.1 0.000736 0.14 AML other m 2022-04-11T12:21:48.64
IV.NRCA.HHN. ML:2.0 0.000627 0.08 AML other m 2022-04-11T12:21:49.37
IV.MMO1.EHN. ML:2.0 0.00058154535 0.1792 AML other m 2022-04-11T12:21:50.29
IV.NRCA.HHE. ML:2.1 0.0007809999999999999 0.1 AML other m 2022-04-11T12:21:50.23
IV.MC2.EHE. ML:2.1 0.0006303506999999999 0.256 AML other m 2022-04-11T12:21:51.51
IV.GAVE.EHN. ML:2.0 0.0003798183 0.1408 AML other m 2022-04-11T12:21:52.97
IV.GAVE.EHE. ML:1.9 0.00036050000000000003 0.58 AML other m 2022-04-11T12:21:54.47
IV.MF5.EHN. ML:2.1 0.00045414515 0.3392 AML other m 2022-04-11T12:21:54.57
IV.MF5.EHE. ML:2.0 0.0003353044 0.2816 AML other m 2022-04-11T12:21:54.47
IV.FIAM.HHN. ML:1.4 0.0000681 0.68 AML other m 2022-04-11T12:21:55.02
IV.FIAM.HHE. ML:1.6 0.0001113 1.8 AML other m 2022-04-11T12:21:55.98
IV.GUMA.HNN. ML:2.4 0.0007165 0.48 AML other m 2022-04-11T12:21:56.31
IV.GUMA.HHN. ML:2.2 0.0005309999999999999 0.48 AML other m 2022-04-11T12:21:56.33
IV.ARRO.EHE. ML:1.6 0.00011049999999999999 0.12 AML other m 2022-04-11T12:21:56.31
IV.GUMA.HNE. ML:2.2 0.000443 0.36 AML other m 2022-04-11T12:21:56.47
IV.GUMA.HHE. ML:2.4 0.000745 0.32 AML other m 2022-04-11T12:21:56.31
IV.OFFI.HHE. ML:2.4 0.000808 0.22 AML other m 2022-04-11T12:21:57.48
IV.CSP1.EHN. ML:2.0 0.000295109 0.2368 AML other m 2022-04-11T12:21:57.94
IV.OFFI.HHN. ML:2.2 0.00045045945 0.2048 AML other m 2022-04-11T12:21:57.59
IV.CSP1.EHE. ML:2.0 0.000262 0.22 AML other m 2022-04-11T12:21:58.27
IV.CESI.HHE. ML:1.5 0.00007388848500000001 0.2368 AML other m 2022-04-11T12:21:58.34
IV.VCEL.EHN. ML:1.9 0.0001955 0.28 AML other m 2022-04-11T12:21:59.44
IV.VCEL.EHE. ML:1.8 0.000153090235 0.16 AML other m 2022-04-11T12:21:59.33
IV.SAP2.EHE. ML:1.7 0.00013304786999999998 0.16 AML other m 2022-04-11T12:21:59.46
IV.MML1.EHE. ML:1.3 0.000046 0.12 AML other m 2022-04-11T12:21:59.83
IV.SAP2.EHN. ML:2.5 0.0007538086 0.2432 AML other m 2022-04-11T12:21:59.88
IV.MML1.EHN. ML:1.4 0.000049785595 0.2176 AML other m 2022-04-11T12:22:00.75
IV.MOMA.HHE. ML:1.8 0.00014000000000000001 0.76 AML other m 2022-04-11T12:22:02.80
IV.T0110.HHE. ML:1.7 0.00010215 0.22 AML other m 2022-04-11T12:22:02.57
IV.MNTT.EHE. ML:2.1 0.00031756899999999997 0.32 AML other m 2022-04-11T12:22:03.08
IV.MOMA.HHN. ML:1.7 0.000105 0.2 AML other m 2022-04-11T12:22:03.27
IV.MNTT.EHN. ML:2.2 0.0004415 0.32 AML other m 2022-04-11T12:22:03.37
IV.T0110.HHN. ML:1.6 0.00008141374 0.3392 AML other m 2022-04-11T12:22:05.98
IV.TERO.HNE. ML:2.2 0.0008661826500000001 0.128 AML other m 2022-04-11T12:21:48.57
IV.TERO.HNN. ML:1.8 0.0004137274 0.16 AML other m 2022-04-11T12:21:48.58
IV.NRCA.HNN. ML:2.0 0.0006079145500000001 0.0768 AML other m 2022-04-11T12:21:49.41
IV.NRCA.HNE. ML:2.1 0.0007324663499999999 0.1024 AML other m 2022-04-11T12:21:50.23
IV.GAVE.HNE. ML:2.0 0.000415971 0.3456 AML other m 2022-04-11T12:21:53.46
IV.FIAM.HNN. ML:1.7 0.000165708075 0.2496 AML other m 2022-04-11T12:21:54.99
IV.CESX.HHE. ML:1.4 0.00005980809 0.32 AML other m 2022-04-11T12:22:02.01
IV.CESX.HHN. ML:1.5 0.000066958805 0.2752 AML other m 2022-04-11T12:22:01.46
IV.EL6.EHE. ML:1.7 0.00007559853999999999 0.32 AML other m 2022-04-11T12:22:07.02
IV.EL6.EHN. ML:1.7 0.00006817995 0.224 AML other m 2022-04-11T12:22:06.55
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