Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 27-12-2021 and time 22:44:03 (UTC) in region 1 km N Scoppito (AQ)

A magnitude ML 1.5 earthquake occured in region: 1 km N Scoppito (AQ), on

  • 27-12-2021 22:44:03 (UTC)
  • 27-12-2021 23:44:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.3820, 13.2620 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.

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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
Scoppito AQ 1 3727 3727
Pizzoli AQ 7 4326 8053
Barete AQ 8 737 8790
Cagnano Amiterno AQ 9 1369 10159
Tornimparte AQ 11 3187 13346
L'Aquila AQ 12 69753 83099
Lucoli AQ 12 1011 84110
Antrodoco RI 15 2588 86698
Capitignano AQ 16 665 87363
Montereale AQ 16 2581 89944
Borgo Velino RI 17 972 90916
Fiamignano RI 17 1413 92329
Borbona RI 18 617 92946
Petrella Salto RI 19 1197 94143
Micigliano RI 19 127 94270
Castel Sant'Angelo RI 19 1308 95578

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km W of L'Aquila (69753 inhabitants)
48 Km SW of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
60 Km NE of Tivoli (56533 inhabitants)
61 Km NE of Guidonia Montecelio (88673 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
75 Km W of Chieti (51815 inhabitants)
78 Km SE of Foligno (57155 inhabitants)
79 Km W of Pescara (121014 inhabitants)
84 Km NE of Roma (2864731 inhabitants)
87 Km NE of Velletri (53303 inhabitants)
95 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 1.5 2021-12-27
22:44:03		 42.3825 13.2617 10 2022-03-30
13:04:32		 Bollettino Sismico Italiano INGV 100237351
Reviewed
Rev100 		ML 1.5 2021-12-27
22:44:03		 42.3673 13.2858 14 2021-12-27
22:49:01		 Sala Sismica INGV-Roma 99067671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-27 22:44:03 ± 0.1
Latitude 42.3825 ± 0.0063
Longitude 13.2617 ± 0.0085
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100237351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 724
Semi-minor axis of confidence ellipse (meter) 635
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 148
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.10972
Epicentral distance of station farthest from the epicenter (degree) 0.71046
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 100237351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-01 11:33:05

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 99067671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-27 22:49:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2021-12-27T22:44:27.95 0.6 undecidable manual S 357 78.8655 50 0.79 36
IV.MF5.EHZ. 2021-12-27T22:44:25.86 0.6 undecidable manual S 13 69.0753 50 1.3 29
IV.NRCA.HHZ. 2021-12-27T22:44:19.87 0.6 undecidable manual S 347 51.5151 50 0 47
IV.GAVE.EHZ. 2021-12-27T22:44:18.41 0.6 undecidable manual S 319 45.621 50 0.1 47
IV.CSP1.EHZ. 2021-12-27T22:44:17.03 1.0 undecidable manual P 357 78.8655 50 -0.09 22
IV.MTRA.EHN. 2021-12-27T22:44:16.99 0.6 undecidable manual S 15 42.9237 50 -0.6 41
IV.MOMA.HHZ. 2021-12-27T22:44:16.18 0.6 undecidable manual P 310 73.2711 50 -0.09 44
IV.TERO.HHZ. 2021-12-27T22:44:15.55 0.6 undecidable manual S 46 38.628 50 -0.9 37
IV.MF5.EHZ. 2021-12-27T22:44:15.89 0.6 undecidable manual P 13 69.0753 50 0.27 43
IV.CESX.HHE. 2021-12-27T22:44:14.57 0.6 undecidable manual P 295 60.5949 50 0.25 44
IV.LNSS.HHZ. 2021-12-27T22:44:14.28 0.6 undecidable manual S 324 30.4473 50 0.04 49
IV.SMA1.EHZ. 2021-12-27T22:44:13.90 0.6 undecidable manual S 12 28.1496 50 0.25 47
IV.MTCE.HHZ. 2021-12-27T22:44:13.45 1.0 undecidable manual P 227 58.3971 50 -0.53 21
IV.VCEL.EHZ. 2021-12-27T22:44:12.80 0.6 undecidable manual P 88 47.4192 50 0.51 43
IV.NRCA.HHZ. 2021-12-27T22:44:12.64 0.3 undecidable manual P 347 51.5151 50 -0.27 67
IV.T0110.HHZ. 2021-12-27T22:44:12.75 0.6 undecidable manual P 112 45.5211 50 0.76 39
IV.ARRO.EHZ. 2021-12-27T22:44:12.28 1.0 undecidable manual P 298 46.1205 50 0.2 23
IV.MTRA.EHN. 2021-12-27T22:44:11.19 0.3 undecidable manual P 15 42.9237 50 -0.41 66
IV.CAMP.HHZ. 2021-12-27T22:44:11.70 0.6 undecidable manual S 35 20.868 115 0.29 47
IV.GAVE.EHZ. 2021-12-27T22:44:11.60 0.6 undecidable manual P 319 45.621 50 -0.41 44
IV.FIAM.HHZ. 2021-12-27T22:44:10.40 1.0 undecidable manual S 223 17.3715 120 0.06 25
IV.TERO.HHZ. 2021-12-27T22:44:10.44 0.6 undecidable manual P 46 38.628 50 -0.5 43
IV.PTQR.HHE. 2021-12-27T22:44:10.88 1.0 undecidable manual P 164 41.625 50 -0.5 22
IV.LNSS.HHZ. 2021-12-27T22:44:09.47 0.3 undecidable manual P 324 30.4473 50 -0.2 71
IV.SMA1.EHZ. 2021-12-27T22:44:09.23 0.1 undecidable manual P 12 28.1496 50 -0.09 96
IV.FAGN.HHZ. 2021-12-27T22:44:09.86 0.6 undecidable manual P 116 29.4483 50 0.35 46
IV.CAMP.HHZ. 2021-12-27T22:44:08.04 0.1 positive manual P 35 20.868 115 0.01 99
MN.AQU.HHE. 2021-12-27T22:44:08.40 1.0 undecidable manual S 105 12.1767 129 -0.45 23
IV.FIAM.HHZ. 2021-12-27T22:44:07.54 0.1 undecidable manual P 223 17.3715 120 0.13 98
MN.AQU.HHE. 2021-12-27T22:44:06.50 0.1 undecidable manual P 105 12.1767 129 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIAM.HHN. ML:0.8 0.000049318169999999996 1.4208 AML other m 2021-12-27T22:44:11.56
IV.FIAM.HHE. ML:0.7 0.000046899999999999995 0.68 AML other m 2021-12-27T22:44:11.34
IV.FIAM.HNN. ML:1.4 0.00022655589999999998 0.4992 AML other m 2021-12-27T22:44:12.41
IV.CAMP.HHN. ML:1.0 0.0000757583 1.6672 AML other m 2021-12-27T22:44:12.02
IV.CAMP.HHE. ML:0.9 0.000052592440000000004 0.2688 AML other m 2021-12-27T22:44:13.20
IV.SMA1.EHE. ML:1.6 0.0001885 0.76 AML other m 2021-12-27T22:44:14.25
IV.SMA1.EHN. ML:1.3 0.00010695 0.24 AML other m 2021-12-27T22:44:15.76
IV.LNSS.HHE. ML:1.2 0.0000817 0.58 AML other m 2021-12-27T22:44:16.26
IV.TERO.HHN. ML:1.1 0.00005104973 0.5888 AML other m 2021-12-27T22:44:16.42
IV.GAVE.HNE. ML:1.5 0.00010143269000000001 1.168 AML other m 2021-12-27T22:44:16.75
IV.NRCA.HNE. ML:1.6 0.00010355059 1.424 AML other m 2021-12-27T22:44:16.11
IV.LNSS.HHN. ML:1.2 0.0000675246 0.1664 AML other m 2021-12-27T22:44:16.89
IV.FIAM.HNE. ML:2.3 0.0015925002000000002 0.1696 AML other m 2021-12-27T22:44:17.37
IV.GAVE.EHE. ML:1.1 0.000039812405 1.8464 AML other m 2021-12-27T22:44:18.97
IV.FAGN.HHN. ML:1.6 0.000177 0.26 AML other m 2021-12-27T22:44:20.31
IV.FAGN.HHE. ML:1.6 0.000187 0.68 AML other m 2021-12-27T22:44:20.34
IV.LNSS.HNE. ML:1.4 0.00010881030999999999 1.4112 AML other m 2021-12-27T22:44:20.83
IV.TERO.HNN. ML:1.8 0.0002037098 0.6912 AML other m 2021-12-27T22:44:20.88
IV.NRCA.HHN. ML:1.4 0.000058923290000000005 1.8848 AML other m 2021-12-27T22:44:20.00
IV.TERO.HHE. ML:1.8 0.00023923865 0.4352 AML other m 2021-12-27T22:44:21.29
IV.NRCA.HHE. ML:1.6 0.00010405000000000001 0.12 AML other m 2021-12-27T22:44:21.46
IV.GAVE.EHN. ML:1.2 0.000049877075 0.2176 AML other m 2021-12-27T22:44:21.64
IV.T0110.HHE. ML:1.5 0.00009309999999999999 0.46 AML other m 2021-12-27T22:44:22.55
IV.T0110.HHN. ML:1.5 0.000101107005 0.4352 AML other m 2021-12-27T22:44:22.76
IV.LNSS.HNN. ML:1.4 0.0001309344 0.4224 AML other m 2021-12-27T22:44:23.71
IV.VCEL.EHE. ML:1.7 0.00014811485000000002 0.32 AML other m 2021-12-27T22:44:24.24
IV.VCEL.EHN. ML:1.8 0.000177 0.42 AML other m 2021-12-27T22:44:24.75
IV.MF5.EHE. ML:1.4 0.000046101329999999994 1.5744 AML other m 2021-12-27T22:44:25.16
IV.NRCA.HNN. ML:1.9 0.0002046208 0.5504 AML other m 2021-12-27T22:44:26.43
IV.TERO.HNE. ML:1.5 0.00011762256 0.8608 AML other m 2021-12-27T22:44:26.75
IV.GAVE.HNN. ML:1.7 0.00016200245 0.64 AML other m 2021-12-27T22:44:27.52
IV.MOMA.HHN. ML:1.2 0.00002649607 1.8208 AML other m 2021-12-27T22:44:28.97
IV.CSP1.EHN. ML:1.3 0.000031370429999999996 0.32 AML other m 2021-12-27T22:44:29.24
IV.CSP1.EHE. ML:1.5 0.000044026145000000005 0.4352 AML other m 2021-12-27T22:44:29.86
IV.MOMA.HNN. ML:2.0 0.00015073944999999999 0.7456 AML other m 2021-12-27T22:44:37.52
IV.MOMA.HNE. ML:1.8 0.00010297502 0.576 AML other m 2021-12-27T22:44:38.04
IV.MOMA.HHE. ML:1.3 0.000032014710000000004 0.656 AML other m 2021-12-27T22:44:40.46
IV.MF5.EHN. ML:1.6 0.00005904780000000001 0.0544 AML other m 2021-12-27T22:44:41.21
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