Earthquake with magnitude of ML 1.8 on date 20-11-2021 and time 00:34:59 (Italy) in region 2 km N Amatrice (RI)

A magnitude ML 1.8 earthquake occured in region: 2 km N Amatrice (RI), on

  • 19-11-2021 23:34:59 (UTC)
  • 20-11-2021 00:34:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6510, 13.2940 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.

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 6 667 3324
Cittareale RI 12 482 3806
Campotosto AQ 12 542 4348
Arquata del Tronto AP 14 1178 5526
Capitignano AQ 15 665 6191
Montereale AQ 15 2581 8772
Acquasanta Terme AP 16 2916 11688
Cortino TE 18 656 12344
Crognaleto TE 19 1297 13641
Valle Castellana TE 19 977 14618
Rocca Santa Maria TE 20 537 15155

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km W of Teramo (54892 inhabitants)
34 Km N of L'Aquila (69753 inhabitants)
54 Km E of Terni (111501 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
78 Km W of Pescara (121014 inhabitants)
79 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 1.8 2021-11-19
23:34:59
42.6513 13.2938 7 2022-03-30
13:04:24
Bollettino Sismico Italiano INGV 99107081
Reviewed
Rev100
ML 1.8 2021-11-19
23:34:59
42.6503 13.2993 9 2021-11-19
23:40:08
Sala Sismica INGV-Roma 97609391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-19 23:34:59 ± 0.05
Latitude 42.6513 ± 0.0027
Longitude 13.2938 ± 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 99107081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 344
Semi-minor axis of confidence ellipse (meter) 204
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 70
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.69158
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 48
Type of magnitude ML
Reference to an origin 99107081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-20 10:32:31

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 48
Type of magnitude ML
Reference to an origin 97609391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-19 23:40:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2021-11-19T23:35:18.30 0.6 undecidable manual S 333 57.5979 50 0.05 48
IV.VCEL.EHZ. 2021-11-19T23:35:17.40 0.6 undecidable manual S 122 53.0025 50 0.37 45
IV.CESI.HHZ. 2021-11-19T23:35:16.10 0.6 undecidable manual S 321 50.4162 50 -0.23 47
IV.CSP1.EHZ. 2021-11-19T23:35:16.10 0.6 undecidable manual S 352 49.4172 50 0.04 49
IV.FDMO.HHZ. 2021-11-19T23:35:15.00 0.6 undecidable manual S 339 45.9207 50 -0.14 48
IV.GUMA.HHZ. 2021-11-19T23:35:15.40 0.6 undecidable manual S 4 45.7209 50 0.3 46
IV.EL6.EHZ. 2021-11-19T23:35:13.44 0.3 undecidable manual P 348 76.7676 50 0.13 68
IV.MF5.EHZ. 2021-11-19T23:35:13.30 0.6 undecidable manual S 20 39.7269 50 -0.18 48
IV.MML1.EHZ. 2021-11-19T23:35:10.03 0.6 undecidable manual P 333 57.5979 50 -0.31 45
IV.GAVE.EHZ. 2021-11-19T23:35:10.80 0.6 undecidable manual S 278 32.9448 102 -0.43 46
IV.T0110.HHZ. 2021-11-19T23:35:10.61 0.3 undecidable manual P 140 61.2942 50 -0.3 67
IV.ASCOL.EHN. 2021-11-19T23:35:10.76 0.6 undecidable manual S 47 32.745 102 -0.42 46
IV.MC2.EHZ. 2021-11-19T23:35:10.50 0.6 undecidable manual S 344 30.0477 103 0.23 48
IV.TRTR.HHZ. 2021-11-19T23:35:10.66 0.3 undecidable manual P 71 53.4021 50 0.95 54
IV.MNTT.EHZ. 2021-11-19T23:35:10.22 0.3 undecidable manual P 28 51.7038 50 0.77 59
IV.MOMA.HHZ. 2021-11-19T23:35:10.82 0.6 undecidable manual P 286 61.3941 50 -0.11 47
IV.CESX.HHZ. 2021-11-19T23:35:10.61 0.6 undecidable manual P 266 57.8976 50 0.21 46
IV.VCEL.EHZ. 2021-11-19T23:35:09.63 0.6 undecidable manual P 122 53.0025 50 -0.01 48
IV.MMO1.EHZ. 2021-11-19T23:35:09.30 0.6 undecidable manual S 6 27.6501 104 -0.15 49
IV.GIGS.HJZ. 2021-11-19T23:35:09.94 0.6 undecidable manual S 134 31.6461 103 -0.88 39
IV.FAGN.HHZ. 2021-11-19T23:35:09.07 0.6 undecidable manual P 151 48.9177 50 0.06 48
IV.NRCA.HNZ. 2021-11-19T23:35:08.60 0.3 undecidable manual S 324 24.9528 106 0.05 76
IV.CESI.HHZ. 2021-11-19T23:35:08.87 0.1 undecidable manual P 321 50.4162 50 -0.37 90
IV.FDMO.HHZ. 2021-11-19T23:35:08.08 0.6 undecidable manual P 339 45.9207 50 -0.47 45
IV.CSP1.EHZ. 2021-11-19T23:35:08.79 0.1 undecidable manual P 352 49.4172 50 -0.29 92
IV.TERO.HHZ. 2021-11-19T23:35:08.40 0.3 undecidable manual S 97 25.5522 106 -0.34 71
IV.OFFI.HHZ. 2021-11-19T23:35:08.85 0.3 undecidable manual P 45 44.8218 50 0.47 67
IV.GUMA.HHZ. 2021-11-19T23:35:08.58 0.6 undecidable manual P 4 45.7209 50 0.05 49
IV.MF5.EHZ. 2021-11-19T23:35:07.66 0.3 undecidable manual P 20 39.7269 50 0.07 74
IV.LNSS.HHZ. 2021-11-19T23:35:07.40 0.6 undecidable manual S 255 21.3675 108 0.03 51
MN.AQU.HNN. 2021-11-19T23:35:06.27 0.6 undecidable manual P 165 34.2435 102 -0.28 47
IV.GAVE.EHZ. 2021-11-19T23:35:06.02 0.1 positive manual P 278 32.9448 102 -0.27 95
IV.RM33.EHZ. 2021-11-19T23:35:06.20 0.3 undecidable manual S 202 17.0718 113 0.24 74
IV.ASCOL.EHN. 2021-11-19T23:35:06.00 0.6 undecidable manual P 47 32.745 102 -0.26 48
IV.MTRA.EHZ. 2021-11-19T23:35:05.10 0.3 undecidable manual S 36 14.3745 116 -0.01 78
IV.MC2.EHZ. 2021-11-19T23:35:05.78 0.6 undecidable manual P 344 30.0477 103 0.04 50
IV.MMO1.EHZ. 2021-11-19T23:35:05.22 0.3 undecidable manual P 6 27.6501 104 -0.05 76
IV.GIGS.HJZ. 2021-11-19T23:35:05.52 0.1 undecidable manual P 134 31.6461 103 -0.53 90
IV.CAMP.HHZ. 2021-11-19T23:35:05.50 0.6 undecidable manual S 144 15.873 114 -0.09 51
IV.LNSS.HHZ. 2021-11-19T23:35:04.24 0.1 positive manual P 255 21.3675 108 0.18 99
IV.NRCA.HNZ. 2021-11-19T23:35:04.80 0.3 undecidable manual P 324 24.9528 106 0.05 76
IV.TERO.HHZ. 2021-11-19T23:35:04.71 0.3 undecidable manual P 97 25.5522 106 -0.14 74
IV.CAMP.HHZ. 2021-11-19T23:35:03.25 0.1 undecidable manual P 144 15.873 114 0.21 99
IV.RM33.EHZ. 2021-11-19T23:35:03.50 0.1 undecidable manual P 202 17.0718 113 0.25 98
IV.MTRA.EHZ. 2021-11-19T23:35:02.95 0.1 undecidable manual P 36 14.3745 116 0.19 100
IV.SMA1.EHZ. 2021-11-19T23:35:02.60 0.3 undecidable manual S 124 4.0959 150 0.2 76
IV.SMA1.EHZ. 2021-11-19T23:35:01.52 0.1 positive manual P 124 4.0959 150 0.33 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNE. ML:2.2 0.001955 0.16 AML other m 2021-11-19T23:35:05.60
IV.MTRA.EHE. ML:2.2 0.00196 0.16 AML other m 2021-11-19T23:35:05.61
IV.MTRA.HNN. ML:2.2 0.00159 1.44 AML other m 2021-11-19T23:35:05.94
IV.MTRA.EHN. ML:2.2 0.00163 1.46 AML other m 2021-11-19T23:35:05.22
IV.CAMP.HHN. ML:1.7 0.00047950000000000005 1.72 AML other m 2021-11-19T23:35:06.05
IV.CAMP.HHE. ML:1.7 0.0004605 0.3 AML other m 2021-11-19T23:35:06.05
IV.RM33.HNE. ML:1.8 0.0006305 0.58 AML other m 2021-11-19T23:35:08.48
IV.TERO.HNN. ML:1.9 0.000524 0.2 AML other m 2021-11-19T23:35:08.78
IV.RM33.EHE. ML:1.8 0.0005954999999999999 0.6 AML other m 2021-11-19T23:35:08.48
IV.RM33.EHN. ML:1.8 0.0005985000000000001 0.3 AML other m 2021-11-19T23:35:08.79
IV.TERO.HHN. ML:2.0 0.0006014999999999999 0.18 AML other m 2021-11-19T23:35:08.79
IV.RM33.HNN. ML:1.8 0.0006325 0.3 AML other m 2021-11-19T23:35:08.79
IV.TERO.HHE. ML:2.1 0.0007505 1.16 AML other m 2021-11-19T23:35:08.28
IV.TERO.HNE. ML:2.1 0.0008065 1.18 AML other m 2021-11-19T23:35:08.87
IV.LNSS.HHE. ML:1.7 0.00034199999999999996 0.74 AML other m 2021-11-19T23:35:08.87
IV.MMO1.EHN. ML:1.6 0.00022100000000000003 0.4 AML other m 2021-11-19T23:35:09.59
IV.LNSS.HHN. ML:1.7 0.0003375 0.94 AML other m 2021-11-19T23:35:11.25
IV.GAVE.EHN. ML:2.0 0.000449 0.24 AML other m 2021-11-19T23:35:11.52
IV.GAVE.EHE. ML:1.8 0.000306 0.64 AML other m 2021-11-19T23:35:11.91
IV.MMO1.EHE. ML:1.5 0.0001915 0.36 AML other m 2021-11-19T23:35:11.79
IV.MC2.EHN. ML:1.8 0.0003055 0.84 AML other m 2021-11-19T23:35:13.92
IV.MC2.EHE. ML:1.7 0.0002551000000000001 1.34 AML other m 2021-11-19T23:35:14.20
IV.FDMO.HHE. ML:1.4 0.00007199999999999999 1.26 AML other m 2021-11-19T23:35:15.82
IV.FDMO.HHN. ML:1.5 0.00009279999999999999 1.2 AML other m 2021-11-19T23:35:17.66
IV.CESI.HHN. ML:1.6 0.000111 1.64 AML other m 2021-11-19T23:35:18.86
IV.FAGN.HHE. ML:1.8 0.0001535 0.74 AML other m 2021-11-19T23:35:18.32
IV.CESI.HHE. ML:1.5 0.0000736 0.42 AML other m 2021-11-19T23:35:18.13
IV.CSP1.EHE. ML:1.7 0.00013544999999999999 1.3 AML other m 2021-11-19T23:35:18.76
IV.MML1.EHN. ML:1.4 0.000052000000000000004 0.8 AML other m 2021-11-19T23:35:19.26
IV.VCEL.EHN. ML:1.9 0.00018099999999999998 0.76 AML other m 2021-11-19T23:35:19.57
IV.VCEL.EHE. ML:1.9 0.000201 0.42 AML other m 2021-11-19T23:35:19.69
IV.FAGN.HHN. ML:1.8 0.000189 0.44 AML other m 2021-11-19T23:35:19.69
IV.GUMA.HNE. ML:1.8 0.000188 0.78 AML other m 2021-11-19T23:35:20.07
IV.T0110.HHN. ML:1.7 0.00010930000000000001 1.48 AML other m 2021-11-19T23:35:21.04
IV.GUMA.HHE. ML:1.9 0.000229 0.68 AML other m 2021-11-19T23:35:21.11
IV.CSP1.EHN. ML:1.8 0.0001725 0.58 AML other m 2021-11-19T23:35:21.20
IV.GUMA.HHN. ML:1.9 0.00022349999999999998 0.42 AML other m 2021-11-19T23:35:21.37
IV.MOMA.HHN. ML:1.6 0.0000745 0.22 AML other m 2021-11-19T23:35:21.77
IV.MML1.EHE. ML:1.3 0.00004380000000000001 1.12 AML other m 2021-11-19T23:35:21.90
IV.MOMA.HHE. ML:1.6 0.00008065 1.58 AML other m 2021-11-19T23:35:21.93
IV.GUMA.HNN. ML:2.1 0.000378 0.92 AML other m 2021-11-19T23:35:22.58
IV.MNTT.EHN. ML:2.0 0.0002365 1.4 AML other m 2021-11-19T23:35:22.99
IV.CESX.HHE. ML:1.3 0.0000448 0.48 AML other m 2021-11-19T23:35:23.99
IV.T0110.HHE. ML:1.7 0.00010059999999999999 0.58 AML other m 2021-11-19T23:35:25.54
IV.CESX.HHN. ML:1.3 0.000044 0.9 AML other m 2021-11-19T23:35:26.42
IV.EL6.EHE. ML:1.6 0.0000668 0.16 AML other m 2021-11-19T23:35:27.95
IV.MNTT.EHE. ML:1.8 0.000168 0.66 AML other m 2021-11-19T23:35:30.46
IV.EL6.EHN. ML:1.5 0.0000486 0.9 AML other m 2021-11-19T23:35:34.94
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