Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 25-12-2021 and time 00:51:54 (UTC) in region 1 km NE Scoppito (AQ)

A magnitude ML 1.8 earthquake occured in region: 1 km NE Scoppito (AQ), on

  • 25-12-2021 00:51:54 (UTC)
  • 25-12-2021 01:51:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.3790, 13.2720 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 10 1369 10159
Tornimparte AQ 10 3187 13346
L'Aquila AQ 11 69753 83099
Lucoli AQ 11 1011 84110
Capitignano AQ 16 665 84775
Antrodoco RI 16 2588 87363
Montereale AQ 16 2581 89944
Fiamignano RI 17 1413 91357
Borgo Velino RI 18 972 92329
Borbona RI 19 617 92946
Petrella Salto RI 19 1197 94143
Ocre AQ 20 1167 95310
Micigliano RI 20 127 95437
Castel Sant'Angelo RI 20 1308 96745

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km W of L'Aquila (69753 inhabitants)
47 Km SW of Teramo (54892 inhabitants)
55 Km E of Terni (111501 inhabitants)
60 Km NE of Tivoli (56533 inhabitants)
62 Km NE of Guidonia Montecelio (88673 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
74 Km W of Chieti (51815 inhabitants)
78 Km W of Pescara (121014 inhabitants)
79 Km SE of Foligno (57155 inhabitants)
84 Km NE of Roma (2864731 inhabitants)
87 Km NE of Velletri (53303 inhabitants)
96 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 1.8 2021-12-25
00:51:54		 42.3787 13.2725 10 2022-03-30
13:04:26		 Bollettino Sismico Italiano INGV 99325521
Reviewed
Rev100 		ML 1.7 2021-12-25
00:51:54		 42.38 13.2717 10 2021-12-25
01:10:47		 Sala Sismica INGV-Roma 98937601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-25 00:51:54 ± 0.06
Latitude 42.3787 ± 0.0027
Longitude 13.2725 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99325521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 212
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 65
Number of defining phases 49
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.95868
Number of stations at which the event was observed 42
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 35
Type of magnitude ML
Reference to an origin 99325521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-04 15:23:33

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 39
Type of magnitude ML
Reference to an origin 98937601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-25 01:10:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSSA.HHZ. 2021-12-25T00:53:40.97 3.0 undecidable manual Sg 13.62 0
IV.GIZZ.HHZ. 2021-12-25T00:53:35.71 3.0 undecidable manual Sn -7.2 0
IV.ECTS.HHZ. 2021-12-25T00:53:19.66 3.0 positive manual Pg 15.44 0
IV.PZIN.HHZ. 2021-12-25T00:53:18.35 3.0 undecidable manual Pn 0.92 0
ST.RONC.HNZ. 2021-12-25T00:53:12.09 3.0 undecidable manual Pg 15.95 0
AC.VLO.HHZ. 2021-12-25T00:53:09.66 3.0 negative manual Pn 1 0
AC.PUK.HHZ. 2021-12-25T00:53:09.69 3.0 undecidable manual Pn 2.74 0
OT.OT13.EHZ. 2021-12-25T00:52:59.52 3.0 undecidable manual Sn 2.04 0
IV.MCRV.HHZ. 2021-12-25T00:52:53.41 3.0 undecidable manual Sn -2.31 0
IV.IFIL.HHZ. 2021-12-25T00:52:51.13 3.0 positive manual Pn -2.53 0
IV.MSSA.HHZ. 2021-12-25T00:52:50.35 3.0 undecidable manual Pn 3.88 0
IV.TREG.EHZ. 2021-12-25T00:52:45.25 3.0 negative manual Pn -2.91 0
IV.BRSN.EHZ. 2021-12-25T00:52:29.48 3.0 positive manual Pn 0.54 0
IV.FDMO.HHZ. 2021-12-25T00:52:17.43 0.3 undecidable manual S 348 74.5698 50 0.21 65
IV.MOMA.HNE. 2021-12-25T00:52:17.77 0.6 undecidable manual S 310 74.2701 50 0.62 39
IV.CESI.HNE. 2021-12-25T00:52:17.92 0.3 undecidable manual S 337 75.6687 50 0.4 63
IV.GUMA.HHZ. 2021-12-25T00:52:17.35 0.6 undecidable manual S 4 76.0683 50 -0.28 43
IV.MF5.EHE. 2021-12-25T00:52:16.30 0.6 undecidable manual S 13 69.2751 50 0.48 41
IV.BSSO.HHZ. 2021-12-25T00:52:15.92 3.0 undecidable manual P -1.11 0
IV.CESX.HHZ. 2021-12-25T00:52:14.01 0.3 undecidable manual S 295 61.5939 50 0.24 66
IV.MC2.EHE. 2021-12-25T00:52:13.74 0.3 undecidable manual S 353 59.496 50 0.54 62
IV.ATFO.HHZ. 2021-12-25T00:52:13.81 3.0 undecidable manual P -1.72 0
IV.EL6.EHZ. 2021-12-25T00:52:13.98 0.3 undecidable manual P 353 106.4157 50 1.41 38
IV.MMO1.EHZ. 2021-12-25T00:52:12.72 0.3 undecidable manual S 4 57.8976 50 -0.07 69
IV.NRCA.HHZ. 2021-12-25T00:52:11.01 0.3 undecidable manual S 346 52.1034 50 -0.22 68
IV.VCEL.EHZ. 2021-12-25T00:52:10.53 0.6 undecidable manual S 88 46.62 50 0.77 39
IV.ASSB.HHZ. 2021-12-25T00:52:09.46 0.3 undecidable manual P 326 89.0442 50 -0.44 60
IV.ARRO.EHN. 2021-12-25T00:52:09.41 0.3 undecidable manual S 298 47.0196 50 -0.48 65
IV.GUMA.HHZ. 2021-12-25T00:52:08.19 0.3 undecidable manual P 4 76.0683 50 0.29 64
IV.PTQR.HHZ. 2021-12-25T00:52:08.44 0.3 undecidable manual S 165 40.9257 50 0.18 70
IV.MTRA.EHZ. 2021-12-25T00:52:08.39 0.3 undecidable manual S 14 43.1235 50 -0.45 66
IV.CESI.HNE. 2021-12-25T00:52:08.12 0.3 undecidable manual P 337 75.6687 50 0.28 64
IV.TERO.HHZ. 2021-12-25T00:52:07.26 0.6 undecidable manual S 45 38.3283 50 -0.29 46
IV.MF5.EHE. 2021-12-25T00:52:07.00 0.3 undecidable manual P 13 69.2751 50 0.14 67
IV.FDMO.HHZ. 2021-12-25T00:52:07.68 0.3 undecidable manual P 348 74.5698 50 0.01 68
IV.MOMA.HNE. 2021-12-25T00:52:07.86 0.3 undecidable manual P 310 74.2701 50 0.23 65
IV.RCAV.EHZ. 2021-12-25T00:52:06.81 3.0 undecidable manual P 0.62 0
IV.VVLD.HNZ. 2021-12-25T00:52:06.15 0.3 undecidable manual P 153 63.3921 50 0.2 67
IV.MC2.EHE. 2021-12-25T00:52:05.51 0.3 undecidable manual P 353 59.496 50 0.16 68
IV.CESX.HHZ. 2021-12-25T00:52:05.58 0.3 undecidable manual P 295 61.5939 50 -0.09 68
IV.LNSS.HHZ. 2021-12-25T00:52:05.40 0.3 undecidable manual S 323 31.2465 50 -0.28 70
IV.MTCE.HHZ. 2021-12-25T00:52:05.00 0.1 undecidable manual P 228 58.7967 50 -0.24 89
IV.GIGS.HHE. 2021-12-25T00:52:04.05 0.6 undecidable manual S 71 25.9518 50 -0.2 48
IV.SMA1.EHZ. 2021-12-25T00:52:04.98 0.3 undecidable manual S 10 28.4493 50 0.07 73
IV.FAGN.HHZ. 2021-12-25T00:52:04.61 0.3 undecidable manual S 116 28.4493 50 -0.31 70
IV.MMO1.EHZ. 2021-12-25T00:52:04.86 0.1 negative manual P 4 57.8976 50 -0.25 89
IV.CERT.HNE. 2021-12-25T00:52:04.36 0.3 undecidable manual P 207 53.3022 50 -0.04 70
IV.ARRO.EHN. 2021-12-25T00:52:03.11 0.3 undecidable manual P 298 47.0196 50 -0.32 67
IV.NRCA.HHZ. 2021-12-25T00:52:03.97 0.3 undecidable manual P 346 52.1034 50 -0.24 68
IV.VCEL.EHZ. 2021-12-25T00:52:03.99 0.3 undecidable manual P 88 46.62 50 0.63 61
IV.TERO.HHZ. 2021-12-25T00:52:02.03 0.3 undecidable manual P 45 38.3283 50 -0.05 72
IV.PTQR.HHZ. 2021-12-25T00:52:02.27 0.1 undecidable manual P 165 40.9257 50 -0.22 92
IV.CAMP.HHZ. 2021-12-25T00:52:02.40 0.3 undecidable manual S 33 20.6682 116 -0.18 72
IV.MTRA.EHZ. 2021-12-25T00:52:02.45 0.3 undecidable manual P 14 43.1235 50 -0.38 67
IV.FIAM.HHZ. 2021-12-25T00:52:01.63 0.3 undecidable manual S 226 17.6712 119 -0.02 75
IV.LNSS.HHZ. 2021-12-25T00:52:00.78 0.1 positive manual P 323 31.2465 50 -0.22 94
IV.RM33.EHE. 2021-12-25T00:52:00.84 0.3 undecidable manual S 342 15.1737 123 -0.08 75
IV.SMA1.EHZ. 2021-12-25T00:52:00.45 0.1 undecidable manual P 10 28.4493 50 -0.11 97
IV.FAGN.HHZ. 2021-12-25T00:52:00.66 0.3 undecidable manual P 116 28.4493 50 0.1 73
MN.AQU.HHE. 2021-12-25T00:51:59.66 0.3 undecidable manual S 104 11.1777 132 -0.15 74
IV.CAMP.HHZ. 2021-12-25T00:51:59.22 0.1 negative manual P 33 20.6682 116 0 100
IV.GIGS.HHE. 2021-12-25T00:51:59.84 0.1 undecidable manual P 71 25.9518 50 -0.34 92
IV.RM33.EHE. 2021-12-25T00:51:58.43 0.1 undecidable manual P 342 15.1737 123 0.17 98
IV.FIAM.HHZ. 2021-12-25T00:51:58.85 0.1 positive manual P 226 17.6712 119 0.17 97
MN.AQU.HHE. 2021-12-25T00:51:57.79 0.1 negative manual P 104 11.1777 132 0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIAM.HHN. ML:1.4 0.00021799999999999999 0.58 AML other m 2021-12-25T00:52:03.01
IV.CAMP.HHE. ML:1.4 0.0001735 0.44 AML other m 2021-12-25T00:52:03.87
IV.CAMP.HHN. ML:1.6 0.00027400000000000005 1.24 AML other m 2021-12-25T00:52:04.79
IV.FIAM.HHE. ML:1.4 0.0001975 0.96 AML other m 2021-12-25T00:52:04.58
IV.SMA1.EHN. ML:1.8 0.000327 0.54 AML other m 2021-12-25T00:52:05.66
IV.SMA1.EHE. ML:2.1 0.0006919999999999999 0.76 AML other m 2021-12-25T00:52:05.57
IV.LNSS.HHE. ML:1.7 0.000247 1.64 AML other m 2021-12-25T00:52:06.82
IV.LNSS.HNE. ML:1.7 0.0002106848 1.82 AML other m 2021-12-25T00:52:06.01
IV.FIAM.HNN. ML:1.6 0.0003309936 0.29 AML other m 2021-12-25T00:52:06.37
IV.LNSS.HNN. ML:1.7 0.0002191175 0.26 AML other m 2021-12-25T00:52:06.60
IV.TERO.HNN. ML:1.7 0.00018429295000000002 0.08 AML other m 2021-12-25T00:52:08.15
IV.MTRA.EHN. ML:2.0 0.00029000000000000006 0.1 AML other m 2021-12-25T00:52:08.65
IV.MTRA.HNN. ML:2.0 0.00028543165 0.11 AML other m 2021-12-25T00:52:08.65
IV.MTRA.EHE. ML:2.0 0.000347 0.12 AML other m 2021-12-25T00:52:08.79
IV.MTRA.HNE. ML:2.0 0.00033006455 0.12 AML other m 2021-12-25T00:52:08.79
IV.TERO.HHN. ML:1.6 0.00014219510000000002 0.1 AML other m 2021-12-25T00:52:09.28
IV.TERO.HNE. ML:1.8 0.00020834190000000003 0.12 AML other m 2021-12-25T00:52:09.60
IV.LNSS.HHN. ML:1.7 0.0002465 0.38 AML other m 2021-12-25T00:52:09.85
IV.TERO.HHE. ML:1.6 0.00014497109999999998 1.68 AML other m 2021-12-25T00:52:10.85
IV.NRCA.HNN. ML:2.1 0.0002948457 0.78 AML other m 2021-12-25T00:52:11.48
IV.NRCA.HHN. ML:1.9 0.000217 0.12 AML other m 2021-12-25T00:52:12.27
IV.NRCA.HHE. ML:2.1 0.000338 0.1 AML other m 2021-12-25T00:52:12.79
IV.NRCA.HNE. ML:2.1 0.00031687589999999997 0.11 AML other m 2021-12-25T00:52:12.74
IV.MMO1.EHE. ML:1.6 0.0000815 0.78 AML other m 2021-12-25T00:52:13.09
IV.MMO1.EHN. ML:1.6 0.00008115 1.38 AML other m 2021-12-25T00:52:15.88
IV.CESX.HHN. ML:1.5 0.000067 0.7 AML other m 2021-12-25T00:52:17.62
IV.FDMO.HHE. ML:1.5 0.000048299999999999995 0.42 AML other m 2021-12-25T00:52:18.35
IV.CESX.HHE. ML:1.5 0.000060100000000000004 0.42 AML other m 2021-12-25T00:52:20.12
IV.GUMA.HHN. ML:1.9 0.0001135 0.88 AML other m 2021-12-25T00:52:21.95
IV.FDMO.HHN. ML:1.4 0.00004035 0.5 AML other m 2021-12-25T00:52:21.71
IV.ASSB.HHN. ML:1.6 0.000048599999999999995 0.62 AML other m 2021-12-25T00:52:23.16
IV.GUMA.HHE. ML:2.0 0.0001545 0.78 AML other m 2021-12-25T00:52:23.57
IV.ASSB.HHE. ML:1.5 0.000039999999999999996 0.42 AML other m 2021-12-25T00:52:32.19
IV.GUMA.HNN. ML:2.2 0.00021282735 0.95 AML other m 2021-12-25T00:52:36.24
IV.GUMA.HNE. ML:2.0 0.00015398175000000001 0.92 AML other m 2021-12-25T00:52:36.37
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