Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 30-12-2021 and time 16:22:56 (Italy) in region 1 km E Barete (AQ)

A magnitude ML 1.6 earthquake occured in region: 1 km E Barete (AQ), on

  • 30-12-2021 15:22:56 (UTC)
  • 30-12-2021 16:22:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4510, 13.3000 at 13 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
Barete AQ 2 737 737
Pizzoli AQ 2 4326 5063
Cagnano Amiterno AQ 6 1369 6432
Capitignano AQ 8 665 7097
Montereale AQ 9 2581 9678
Scoppito AQ 10 3727 13405
Campotosto AQ 13 542 13947
L'Aquila AQ 14 69753 83700
Borbona RI 15 617 84317
Tornimparte AQ 18 3187 87504
Lucoli AQ 18 1011 88515
Crognaleto TE 18 1297 89812
Antrodoco RI 18 2588 92400
Posta RI 19 694 93094
Amatrice RI 20 2657 95751

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NW of L'Aquila (69753 inhabitants)
41 Km SW of Teramo (54892 inhabitants)
55 Km E of Terni (111501 inhabitants)
68 Km NE of Tivoli (56533 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
72 Km W of Chieti (51815 inhabitants)
74 Km SE of Foligno (57155 inhabitants)
75 Km W of Pescara (121014 inhabitants)
91 Km NE of Roma (2864731 inhabitants)
95 Km NE of Velletri (53303 inhabitants)
98 Km E of Viterbo (67173 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 2021-12-30
15:22:56		 42.4513 13.3003 13 2022-03-30
13:04:25		 Bollettino Sismico Italiano INGV 99256551
Reviewed
Rev100 		ML 1.6 2021-12-30
15:22:56		 42.4512 13.3117 11 2021-12-30
15:29:34		 Sala Sismica INGV-Roma 99156181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-30 15:22:56 ± 0.08
Latitude 42.4513 ± 0.0036
Longitude 13.3003 ± 0.0061
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99256551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 550
Semi-minor axis of confidence ellipse (meter) 38
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 37
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.88943
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 99256551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-03 11:35:00

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 99156181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-30 15:29:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTGR.HHZ. 2021-12-30T15:24:53.58 3.0 undecidable manual S -4.56 0
IV.SELL.HHZ. 2021-12-30T15:24:51.40 3.0 undecidable manual Sn 0.96 0
CR.ZAG.BHZ. 2021-12-30T15:24:51.54 3.0 undecidable manual Sg 11.73 0
IV.GIZZ.HHZ. 2021-12-30T15:24:45.99 3.0 undecidable manual Sn -0.14 0
IV.TEOL.HHZ. 2021-12-30T15:24:25.24 3.0 undecidable manual Sn 3.62 0
IV.GRI.EHZ. 2021-12-30T15:24:10.56 3.0 positive manual P 7 0
IV.MTGR.HHZ. 2021-12-30T15:24:10.99 3.0 positive manual P 4.05 0
IV.IACL.HHZ. 2021-12-30T15:23:59.02 3.0 undecidable manual P 0.05 0
OX.PLRO.HHZ. 2021-12-30T15:23:58.03 3.0 undecidable manual P -2.2 0
IV.PAOL.HHZ. 2021-12-30T15:23:52.64 3.0 undecidable manual Sg 5.28 0
IV.IMOL.HNZ. 2021-12-30T15:23:32.58 3.0 negative manual P -1.71 0
IV.COLB.HHZ. 2021-12-30T15:23:30.67 3.0 positive manual P 2.75 0
IT.FIE.HGZ. 2021-12-30T15:23:28.60 3.0 negative manual P -2.61 0
IV.FDMO.HHZ. 2021-12-30T15:23:18.11 0.6 undecidable manual S 345 67.1772 92 0.75 36
IV.MF5.EHZ. 2021-12-30T15:23:17.05 0.6 undecidable manual S 12 60.8946 93 1.37 27
IV.MC2.EHZ. 2021-12-30T15:23:14.36 0.6 undecidable manual S 350 51.8037 93 1.1 32
IV.EL6.EHZ. 2021-12-30T15:23:13.36 0.3 undecidable manual P 351 98.7234 92 -0.23 62
IV.VCEL.EHN. 2021-12-30T15:23:12.05 0.3 undecidable manual S 98 44.7219 94 0.7 60
IV.PTQR.HHZ. 2021-12-30T15:23:12.62 0.6 undecidable manual S 170 48.3183 94 0.29 45
IV.MMO1.EHZ. 2021-12-30T15:23:12.92 0.3 undecidable manual S 2 49.7169 94 0.22 67
IV.NRCA.HHZ. 2021-12-30T15:23:11.41 0.6 undecidable manual S 340 45.0216 94 -0.04 47
IV.CSP1.EHZ. 2021-12-30T15:23:09.10 0.3 undecidable manual P 354 71.4729 92 -0.29 64
IV.FDMO.HHZ. 2021-12-30T15:23:08.44 0.3 undecidable manual P 345 67.1772 92 -0.29 65
IV.FAGN.HHZ. 2021-12-30T15:23:08.16 0.3 undecidable manual S 131 31.0467 97 0.43 67
IV.CESI.HHZ. 2021-12-30T15:23:08.95 0.3 undecidable manual P 332 69.375 92 -0.12 67
IV.MF5.EHZ. 2021-12-30T15:23:07.91 0.1 undecidable manual P 12 60.8946 93 0.15 89
IV.TERO.HHZ. 2021-12-30T15:23:07.30 0.3 undecidable manual S 52 31.2465 97 -0.49 66
IV.MC2.EHZ. 2021-12-30T15:23:06.21 0.3 undecidable manual P 350 51.8037 93 -0.16 68
IV.LNSS.HHZ. 2021-12-30T15:23:06.66 0.6 undecidable manual S 308 27.1506 99 -0.03 49
IV.PTQR.HHZ. 2021-12-30T15:23:05.61 0.6 undecidable manual P 170 48.3183 94 -0.22 45
IV.MMO1.EHZ. 2021-12-30T15:23:05.72 0.3 undecidable manual P 2 49.7169 94 -0.33 66
IV.GIGS.HJZ. 2021-12-30T15:23:05.04 0.6 undecidable manual S 89 22.2555 103 -0.39 45
IV.T0110.HHZ. 2021-12-30T15:23:05.36 0.3 undecidable manual P 122 46.1205 94 -0.13 69
IV.FIAM.HNZ. 2021-12-30T15:23:05.94 0.6 undecidable manual S 217 25.2525 100 -0.26 46
IV.SMA1.EHZ. 2021-12-30T15:23:05.19 0.3 undecidable manual S 8 20.0688 106 0.33 69
IV.NRCA.HHZ. 2021-12-30T15:23:05.04 0.1 positive manual P 340 45.0216 94 -0.28 90
IV.VCEL.EHN. 2021-12-30T15:23:05.29 0.3 undecidable manual P 98 44.7219 94 0.02 71
IV.GAVE.EHN. 2021-12-30T15:23:04.69 0.3 undecidable manual P 309 42.624 94 -0.26 68
IV.FAGN.HHZ. 2021-12-30T15:23:03.30 0.3 undecidable manual P 131 31.0467 97 0.13 71
IV.CAMP.HHZ. 2021-12-30T15:23:03.00 0.6 undecidable manual S 43 12.876 123 -0.11 49
MN.AQU.HNZ. 2021-12-30T15:23:03.38 0.3 undecidable manual S 141 13.7751 120 0.08 75
IV.RM33.EHZ. 2021-12-30T15:23:02.52 0.6 undecidable manual S 312 9.4794 135 0.12 50
IV.LNSS.HHZ. 2021-12-30T15:23:02.47 0.1 undecidable manual P 308 27.1506 99 -0.1 96
IV.TERO.HHZ. 2021-12-30T15:23:02.84 0.1 undecidable manual P 52 31.2465 97 -0.37 90
IV.FIAM.HNZ. 2021-12-30T15:23:02.63 0.3 undecidable manual P 217 25.2525 100 0.34 69
IV.GIGS.HJZ. 2021-12-30T15:23:01.56 0.1 undecidable manual P 89 22.2555 103 -0.29 93
IV.SMA1.EHZ. 2021-12-30T15:23:01.50 0.1 positive manual P 8 20.0688 106 -0.01 99
IV.RM33.EHZ. 2021-12-30T15:23:00.22 0.1 undecidable manual P 312 9.4794 135 0.13 99
MN.AQU.HNZ. 2021-12-30T15:23:00.62 0.1 undecidable manual P 141 13.7751 120 0 99
IV.CAMP.HHZ. 2021-12-30T15:23:00.55 0.1 undecidable manual P 43 12.876 123 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNN. ML:1.9 0.0008334999999999999 0.92 AML other m 2021-12-30T15:23:03.58
IV.RM33.EHN. ML:1.8 0.0007664999999999999 0.92 AML other m 2021-12-30T15:23:03.12
IV.RM33.EHE. ML:1.9 0.0008489999999999999 0.74 AML other m 2021-12-30T15:23:03.70
IV.RM33.HNE. ML:1.9 0.0008445 0.86 AML other m 2021-12-30T15:23:03.76
IV.CAMP.HHN. ML:1.6 0.00032950000000000004 0.38 AML other m 2021-12-30T15:23:03.47
IV.CAMP.HHE. ML:1.5 0.0002845 0.34 AML other m 2021-12-30T15:23:04.28
IV.SMA1.EHE. ML:1.9 0.000496 1.26 AML other m 2021-12-30T15:23:05.07
IV.SMA1.EHN. ML:2.0 0.000789 0.24 AML other m 2021-12-30T15:23:05.70
IV.LNSS.HHE. ML:1.6 0.0001875 0.3 AML other m 2021-12-30T15:23:07.46
IV.TERO.HNE. ML:1.3 0.000091372517 0.1664 AML other m 2021-12-30T15:23:07.44
IV.TERO.HHN. ML:1.4 0.000113880125 0.1792 AML other m 2021-12-30T15:23:07.45
IV.LNSS.HHN. ML:1.6 0.000215 0.88 AML other m 2021-12-30T15:23:07.91
IV.FAGN.HHN. ML:1.6 0.00018333995 0.32 AML other m 2021-12-30T15:23:08.97
IV.FAGN.HHE. ML:1.8 0.00027150000000000004 1.68 AML other m 2021-12-30T15:23:09.99
IV.NRCA.HHN. ML:1.8 0.00016700000000000002 0.42 AML other m 2021-12-30T15:23:12.33
IV.MMO1.EHN. ML:1.4 0.000060200000000000006 0.9 AML other m 2021-12-30T15:23:13.59
IV.NRCA.HHE. ML:1.7 0.00014250000000000002 0.12 AML other m 2021-12-30T15:23:13.66
IV.MC2.EHN. ML:1.3 0.000043309940000000006 0.2048 AML other m 2021-12-30T15:23:14.52
IV.MMO1.EHE. ML:1.3 0.000050654999999999995 0.82 AML other m 2021-12-30T15:23:15.72
IV.MC2.EHE. ML:1.5 0.000084947295 0.1536 AML other m 2021-12-30T15:23:17.22
IV.FDMO.HHE. ML:1.3 0.00003295 1.46 AML other m 2021-12-30T15:23:19.06
IV.FDMO.HHN. ML:1.2 0.000025600000000000002 1.54 AML other m 2021-12-30T15:23:20.14
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