Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 27-11-2021 and time 06:22:12 (Italy) in region 4 km NE Cagnano Amiterno (AQ)

A magnitude ML 2.4 earthquake occured in region: 4 km NE Cagnano Amiterno (AQ), on

  • 27-11-2021 05:22:12 (UTC)
  • 27-11-2021 06:22:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4870, 13.2560 at 11 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
Cagnano Amiterno AQ 4 1369 1369
Montereale AQ 4 2581 3950
Barete AQ 4 737 4687
Capitignano AQ 5 665 5352
Pizzoli AQ 6 4326 9678
Borbona RI 11 617 10295
Campotosto AQ 12 542 10837
Scoppito AQ 13 3727 14564
Posta RI 14 694 15258
Amatrice RI 16 2657 17915
Antrodoco RI 16 2588 20503
Cittareale RI 17 482 20985
Micigliano RI 17 127 21112
Borgo Velino RI 18 972 22084
L'Aquila AQ 19 69753 91837
Crognaleto TE 20 1297 93134

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
51 Km E of Terni (111501 inhabitants)
69 Km SE of Foligno (57155 inhabitants)
69 Km NE of Tivoli (56533 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
76 Km W of Chieti (51815 inhabitants)
79 Km W of Pescara (121014 inhabitants)
92 Km NE of Roma (2864731 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
97 Km NE of Velletri (53303 inhabitants)
99 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 2.4 2021-11-27
05:22:12		 42.4867 13.2563 11 2022-03-30
13:04:28		 Bollettino Sismico Italiano INGV 99612851
Reviewed
Rev100 		ML 2.4 2021-11-27
05:22:12		 42.4998 13.2628 15 2021-11-27
05:31:31		 Sala Sismica INGV-Roma 97858931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-27 05:22:12 ± 0.11
Latitude 42.4867 ± 0.0045
Longitude 13.2563 ± 0.0073
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99612851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 583
Semi-minor axis of confidence ellipse (meter) 343
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 240
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 46
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 46
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.88943
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 97858931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-27 05:31:31

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 47
Type of magnitude ML
Reference to an origin 99612851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-11 09:55:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VENL.EHZ. 2021-11-27T05:23:08.24 3.0 positive manual Pg 11 0
IV.CMPR.HHZ. 2021-11-27T05:23:01.87 3.0 undecidable manual Pg 9.2 0
IX.CMP3.EHZ.02 2021-11-27T05:22:53.53 3.0 positive manual Pg 5.95 0
IV.EL6.EHZ. 2021-11-27T05:22:42.24 3.0 undecidable manual S 1.78 0
IV.LPEL.HHZ. 2021-11-27T05:22:39.12 0.3 undecidable manual S 122 90.3429 50 0.16 64
IV.APEC.HHZ. 2021-11-27T05:22:37.02 3.0 negative manual P 3.94 0
IV.SAP2.EHZ. 2021-11-27T05:22:34.15 0.3 undecidable manual S 10 68.6757 50 0.99 51
IV.OFFI.HHZ. 2021-11-27T05:22:33.35 0.3 undecidable manual S 35 60.7947 50 2.28 21
IV.CSP1.EHZ. 2021-11-27T05:22:33.43 0.3 undecidable manual S 356 67.2771 50 0.64 59
IV.CESI.HHZ. 2021-11-27T05:22:32.44 0.3 undecidable manual S 334 64.2912 50 0.46 63
IV.GUMA.HHZ. 2021-11-27T05:22:32.80 0.3 undecidable manual S 6 64.1913 50 0.82 55
IV.MF5.EHZ. 2021-11-27T05:22:31.22 0.3 undecidable manual S 17 57.9975 50 0.9 54
IV.FDMO.HHZ. 2021-11-27T05:22:31.78 0.3 undecidable manual S 347 62.493 50 0.25 67
IV.ARVD.HHZ. 2021-11-27T05:22:30.35 3.0 negative manual P 0.01 0
IV.CING.HHZ. 2021-11-27T05:22:29.04 0.1 undecidable manual P 357 98.7234 50 0.05 86
IV.MC2.EHZ. 2021-11-27T05:22:28.07 0.3 undecidable manual S 353 47.4192 50 0.57 63
IV.LPEL.HHZ. 2021-11-27T05:22:27.14 0.1 undecidable manual P 122 90.3429 50 -0.56 78
IV.VVLD.HHZ. 2021-11-27T05:22:26.25 0.6 undecidable manual P 156 74.7696 50 0.95 34
IV.MMO1.EHZ. 2021-11-27T05:22:26.84 0.3 undecidable manual S 7 46.1205 50 -0.31 68
IV.ASSB.HHZ. 2021-11-27T05:22:25.84 0.6 undecidable manual P 322 78.5658 50 -0.04 45
IV.NRCA.HHZ. 2021-11-27T05:22:25.15 0.1 undecidable manual S 343 40.2264 50 -0.41 89
IV.SAP2.EHZ. 2021-11-27T05:22:24.60 0.3 undecidable manual P 10 68.6757 50 0.25 66
IV.FDMO.HHZ. 2021-11-27T05:22:23.11 0.1 positive manual P 347 62.493 50 -0.3 88
IV.CSP1.EHZ. 2021-11-27T05:22:23.84 0.1 positive manual P 356 67.2771 50 -0.3 87
IV.CESI.HHZ. 2021-11-27T05:22:23.39 0.3 undecidable manual P 334 64.2912 50 -0.28 66
IV.GUMA.HHZ. 2021-11-27T05:22:23.66 0.1 positive manual P 6 64.1913 50 -0.01 93
IV.OFFI.HHZ. 2021-11-27T05:22:23.66 0.1 undecidable manual P 35 60.7947 50 0.52 84
IV.MTRA.EHZ. 2021-11-27T05:22:22.57 0.3 undecidable manual S 21 32.0457 50 -0.83 58
IV.CESX.HHZ. 2021-11-27T05:22:22.23 0.3 undecidable manual P 284 56.3991 50 -0.23 68
IV.FIAM.HHZ. 2021-11-27T05:22:22.25 0.3 undecidable manual S 205 26.751 50 0.26 71
IV.PTQR.HHZ. 2021-11-27T05:22:22.12 0.3 undecidable manual P 167 52.9026 50 0.2 68
IV.TERO.HNZ. 2021-11-27T05:22:22.69 0.3 undecidable manual S 62 32.1456 50 -0.73 61
IV.MF5.EHZ. 2021-11-27T05:22:22.81 0.1 positive manual P 17 57.9975 50 0.1 92
IV.VCEL.EHZ. 2021-11-27T05:22:21.33 0.1 undecidable manual P 102 48.9177 50 0.02 95
IV.MC2.EHZ. 2021-11-27T05:22:21.07 0.1 undecidable manual P 353 47.4192 50 -0.01 96
IV.GIGS.HHN. 2021-11-27T05:22:21.40 0.3 undecidable manual S 98 26.1516 50 -0.42 69
IT.MMP1.HGE. 2021-11-27T05:22:21.46 0.6 undecidable manual P 238 49.3173 50 0.1 47
IV.MMO1.EHZ. 2021-11-27T05:22:20.56 0.1 positive manual P 7 46.1205 50 -0.32 90
IV.LNSS.HHZ. 2021-11-27T05:22:20.43 0.3 undecidable manual S 306 21.867 50 -0.24 72
MN.AQU.HNE. 2021-11-27T05:22:20.28 0.1 undecidable manual S 140 19.0698 120 0.35 94
IV.NRCA.HHZ. 2021-11-27T05:22:19.61 0.1 positive manual P 343 40.2264 50 -0.36 90
IV.FAGN.HHZ. 2021-11-27T05:22:19.38 0.1 positive manual P 132 36.3414 50 0.01 98
IV.ARRO.EHZ. 2021-11-27T05:22:19.98 0.1 positive manual P 285 41.4252 50 -0.17 94
IV.SMA1.EHZ. 2021-11-27T05:22:19.20 0.3 undecidable manual S 22 17.1717 122 -0.17 73
IV.GAVE.HNZ. 2021-11-27T05:22:19.30 0.1 undecidable manual P 308 37.3293 50 -0.23 93
IV.FIAM.HHZ. 2021-11-27T05:22:18.03 0.1 positive manual P 205 26.751 50 0.13 97
IV.TERO.HNZ. 2021-11-27T05:22:18.29 0.1 positive manual P 62 32.1456 50 -0.44 90
IV.MTRA.EHZ. 2021-11-27T05:22:18.30 0.1 positive manual P 21 32.0457 50 -0.41 91
IV.LNSS.HHZ. 2021-11-27T05:22:17.12 0.1 positive manual P 306 21.867 50 -0.02 100
IV.GIGS.HHN. 2021-11-27T05:22:17.53 0.1 positive manual P 98 26.1516 50 -0.27 94
IV.SMA1.EHZ. 2021-11-27T05:22:16.51 0.1 positive manual P 22 17.1717 122 0.12 99
MN.AQU.HNE. 2021-11-27T05:22:16.92 0.1 positive manual P 140 19.0698 120 0.21 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:3.0 0.008140000000000001 0.26 AML other m 2021-11-27T05:22:19.94
IV.SMA1.EHE. ML:3.3 0.0172 0.22 AML other m 2021-11-27T05:22:19.86
IV.LNSS.HNN. ML:2.7 0.00327 1.64 AML other m 2021-11-27T05:22:20.84
IV.LNSS.HHN. ML:2.7 0.00346 1.64 AML other m 2021-11-27T05:22:20.84
IV.LNSS.HNE. ML:2.6 0.002845 0.7 AML other m 2021-11-27T05:22:21.80
IV.LNSS.HHE. ML:2.6 0.00299 0.7 AML other m 2021-11-27T05:22:21.45
IV.FIAM.HHN. ML:2.0 0.0005245 0.44 AML other m 2021-11-27T05:22:22.64
IV.FIAM.HHE. ML:1.8 0.00036150000000000006 0.62 AML other m 2021-11-27T05:22:22.60
IV.MTRA.HNE. ML:2.7 0.0024050000000000005 0.44 AML other m 2021-11-27T05:22:22.94
IV.MTRA.EHE. ML:2.7 0.002415 0.44 AML other m 2021-11-27T05:22:22.95
IV.MTRA.HNN. ML:2.7 0.00249 1.46 AML other m 2021-11-27T05:22:23.77
IV.MTRA.EHN. ML:2.7 0.002455 1.48 AML other m 2021-11-27T05:22:23.78
IV.TERO.HNE. ML:2.3 0.000855 0.66 AML other m 2021-11-27T05:22:23.54
IV.TERO.HHE. ML:2.2 0.0007175 0.66 AML other m 2021-11-27T05:22:23.21
IV.TERO.HNN. ML:2.0 0.00044959075 0.3008 AML other m 2021-11-27T05:22:23.16
IV.NRCA.HNN. ML:2.6 0.001295 0.12 AML other m 2021-11-27T05:22:25.36
IV.NRCA.HHN. ML:2.6 0.00151 0.12 AML other m 2021-11-27T05:22:25.36
IV.NRCA.HHE. ML:2.9 0.00246 0.18 AML other m 2021-11-27T05:22:25.50
IV.NRCA.HNE. ML:2.8 0.0024449999999999997 0.38 AML other m 2021-11-27T05:22:25.50
IV.TERO.HHN. ML:2.2 0.0007709999999999999 0.42 AML other m 2021-11-27T05:22:26.39
IV.ARRO.EHE. ML:2.1 0.000388 0.84 AML other m 2021-11-27T05:22:26.58
IV.MMO1.EHN. ML:2.3 0.0005735 0.24 AML other m 2021-11-27T05:22:27.26
IV.MMO1.EHE. ML:2.3 0.0006025000000000001 0.44 AML other m 2021-11-27T05:22:27.76
IV.MC2.EHN. ML:2.5 0.0009265 0.22 AML other m 2021-11-27T05:22:29.36
IV.MC2.EHE. ML:2.5 0.0008175 0.9 AML other m 2021-11-27T05:22:30.23
IV.FDMO.HHE. ML:2.1 0.000248 0.18 AML other m 2021-11-27T05:22:33.22
IV.CESI.HHN. ML:2.3 0.00040100000000000004 0.24 AML other m 2021-11-27T05:22:33.03
IV.CESI.HHE. ML:2.1 0.00023700000000000001 0.46 AML other m 2021-11-27T05:22:33.52
IV.FDMO.HHN. ML:2.0 0.00021 0.74 AML other m 2021-11-27T05:22:33.31
IV.GUMA.HHN. ML:2.5 0.0005675 0.8 AML other m 2021-11-27T05:22:33.77
IV.GUMA.HNN. ML:2.4 0.000507 0.56 AML other m 2021-11-27T05:22:33.78
IV.CSP1.EHN. ML:2.4 0.0004205 0.18 AML other m 2021-11-27T05:22:34.38
IV.OFFI.HHE. ML:2.5 0.0007035 1.12 AML other m 2021-11-27T05:22:34.03
IV.OFFI.HHN. ML:2.5 0.000726 0.2 AML other m 2021-11-27T05:22:34.83
IV.CSP1.EHE. ML:2.3 0.0003865 0.42 AML other m 2021-11-27T05:22:35.48
IV.SAP2.EHE. ML:2.2 0.000252 0.94 AML other m 2021-11-27T05:22:36.44
IV.SAP2.EHN. ML:2.9 0.0013399999999999998 0.5 AML other m 2021-11-27T05:22:36.29
IV.LPEL.HNE. ML:2.3 0.0002475 1.08 AML other m 2021-11-27T05:22:39.92
IV.LPEL.HHN. ML:2.1 0.0001372 0.52 AML other m 2021-11-27T05:22:39.65
IV.LPEL.HHE. ML:2.3 0.00020800000000000001 0.42 AML other m 2021-11-27T05:22:39.45
IV.GUMA.HHE. ML:2.4 0.0004327957 0.3424 AML other m 2021-11-27T05:22:33.10
IV.GUMA.HNE. ML:2.2 0.0002972755 0.3392 AML other m 2021-11-27T05:22:33.12
IV.MMO1.HNE. ML:3.1 0.003609184 3.04 AML other m 2021-11-27T05:22:27.65
IV.MMO1.HNN. ML:3.2 0.005308767 3.0304 AML other m 2021-11-27T05:22:26.11
IV.MF5.EHN. ML:2.1 0.00027012495000000006 0.3424 AML other m 2021-11-27T05:22:31.42
IV.CESI.HNE. ML:2.0 0.0002024868 1.8304 AML other m 2021-11-27T05:22:33.29
IV.CESI.HNN. ML:2.4 0.00046345235 0.4896 AML other m 2021-11-27T05:22:33.16
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