Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 08-12-2021 and time 14:27:18 (Italy) in region 2 km NW Gioia dei Marsi (AQ)

A magnitude ML 2.0 earthquake occured in region: 2 km NW Gioia dei Marsi (AQ), on

  • 08-12-2021 13:27:18 (UTC)
  • 08-12-2021 14:27:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.9660, 13.6800 at 9 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
Gioia dei Marsi AQ 2 1989 1989
Ortucchio AQ 3 1860 3849
Lecce nei Marsi AQ 4 1702 5551
Ortona dei Marsi AQ 6 542 6093
San Benedetto dei Marsi AQ 7 3909 10002
Pescina AQ 7 4133 14135
Bisegna AQ 8 223 14358
Anversa degli Abruzzi AQ 11 341 14699
Cocullo AQ 11 230 14929
Collarmele AQ 12 894 15823
Trasacco AQ 12 6246 22069
Collelongo AQ 12 1233 23302
Villavallelonga AQ 12 919 24221
Cerchio AQ 13 1635 25856
Villalago AQ 13 568 26424
Aielli AQ 15 1475 27899
Goriano Sicoli AQ 15 569 28468
Bugnara AQ 16 1125 29593
Prezza AQ 16 945 30538
Celano AQ 17 11017 41555
Castel di Ieri AQ 17 303 41858
Luco dei Marsi AQ 17 6079 47937
Gagliano Aterno AQ 18 254 48191
Scanno AQ 18 1847 50038
Raiano AQ 19 2815 52853
Introdacqua AQ 19 2126 54979
Castelvecchio Subequo AQ 19 982 55961
Civita d'Antino AQ 19 979 56940
San Vincenzo Valle Roveto AQ 20 2347 59287
Pescasseroli AQ 20 2203 61490

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km SE of L'Aquila (69753 inhabitants)
59 Km SW of Chieti (51815 inhabitants)
71 Km SW of Pescara (121014 inhabitants)
72 Km SW of Montesilvano (53738 inhabitants)
73 Km E of Tivoli (56533 inhabitants)
77 Km S of Teramo (54892 inhabitants)
79 Km E of Guidonia Montecelio (88673 inhabitants)
81 Km E of Velletri (53303 inhabitants)
85 Km NE of Latina (125985 inhabitants)
95 Km E of Aprilia (73446 inhabitants)
99 Km E of Roma (2864731 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 2.0 2021-12-08
13:27:18		 41.9658 13.6805 9 2022-03-30
13:04:20		 Bollettino Sismico Italiano INGV 98341101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-08 13:27:18 ± 0.05
Latitude 41.9658 ± 0.0018
Longitude 13.6805 ± 0.0036
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 98341101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 225
Semi-minor axis of confidence ellipse (meter) 184
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 253
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 42
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 53
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.10522
Epicentral distance of station farthest from the epicenter (degree) 0.96227
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 44
Type of magnitude ML
Reference to an origin 98341101
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-08 12:51:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2021-12-08T13:27:40.84 0.3 undecidable manual S 355 73.1712 50 0.47 63
IV.CAMP.HHE. 2021-12-08T13:27:39.15 0.3 undecidable manual S 341 67.0773 50 0.4 64
IV.TST01.HHZ. 2021-12-08T13:27:38.20 0.3 undecidable manual S 112 63.0924 50 0.5 63
IV.MIDA.HHZ. 2021-12-08T13:27:36.78 0.3 undecidable manual S 127 59.496 50 0.05 70
IV.GIUL.HHZ. 2021-12-08T13:27:36.38 0.3 undecidable manual S 218 57.2982 50 0.23 68
IV.CERT.HNE. 2021-12-08T13:27:36.60 0.3 undecidable manual S 268 57.6978 50 0.36 66
IV.NRCA.HHZ. 2021-12-08T13:27:36.14 0.3 undecidable manual P 334 106.8153 50 0.03 64
IV.MCI.EHZ. 2021-12-08T13:27:35.67 0.3 undecidable manual S 168 53.8017 50 0.47 65
IV.GIGS.HHN. 2021-12-08T13:27:35.36 0.3 undecidable manual S 351 54.8007 50 -0.11 70
IV.VCEL.EHZ. 2021-12-08T13:27:34.76 0.3 undecidable manual S 15 49.3173 50 0.74 59
IV.RNI2.HHZ. 2021-12-08T13:27:33.95 0.6 undecidable manual S 127 48.7179 50 0.11 47
IV.SGG.HHN. 2021-12-08T13:27:33.09 0.6 undecidable manual P 138 86.4468 50 0.12 44
IV.CERA.HNN. 2021-12-08T13:27:33.93 0.3 undecidable manual S 145 49.5171 50 -0.12 71
MN.AQU.HNN. 2021-12-08T13:27:33.91 0.3 undecidable manual S 332 48.618 50 0.07 71
IV.VAGA.HHZ. 2021-12-08T13:27:32.38 1.0 undecidable manual P 143 76.368 50 0.96 17
IV.LPEL.HHZ. 2021-12-08T13:27:31.68 0.3 undecidable manual S 78 42.4242 50 -0.49 66
IV.RM33.HNE. 2021-12-08T13:27:30.33 0.3 undecidable manual P 328 71.373 50 -0.32 65
IV.GUAR.HHZ. 2021-12-08T13:27:30.25 0.3 undecidable manual S 238 35.8419 50 -0.17 72
IV.TERO.HHZ. 2021-12-08T13:27:30.74 0.3 undecidable manual P 355 73.1712 50 -0.18 67
IV.LRP.EHZ. 2021-12-08T13:27:30.36 0.3 undecidable manual S 192 36.2415 50 -0.15 72
IV.CAMP.HHE. 2021-12-08T13:27:29.76 0.3 undecidable manual P 341 67.0773 50 -0.22 67
IV.FAGN.HHZ. 2021-12-08T13:27:29.73 0.3 undecidable manual S 347 34.2435 50 -0.25 71
IV.TST01.HHZ. 2021-12-08T13:27:29.61 0.6 undecidable manual P 112 63.0924 50 0.23 45
IV.MIDA.HHZ. 2021-12-08T13:27:28.61 0.1 undecidable manual P 127 59.496 50 -0.2 91
IV.T0110.HHZ. 2021-12-08T13:27:28.66 0.3 undecidable manual S 15 30.2475 50 -0.27 71
IV.CERT.HNE. 2021-12-08T13:27:28.40 0.3 undecidable manual P 268 57.6978 50 -0.14 69
IV.GIUL.HHZ. 2021-12-08T13:27:28.34 0.3 undecidable manual P 218 57.2982 50 -0.14 69
IV.VCEL.EHZ. 2021-12-08T13:27:27.51 0.3 undecidable manual P 15 49.3173 50 0.26 69
IV.MCI.EHZ. 2021-12-08T13:27:27.86 0.3 undecidable manual P 168 53.8017 50 -0.08 71
IV.RNI2.HHZ. 2021-12-08T13:27:27.63 0.3 undecidable manual P 127 48.7179 50 0.48 65
IV.GIGS.HHN. 2021-12-08T13:27:27.79 0.3 undecidable manual P 351 54.8007 50 -0.3 67
IV.POFI.HHZ. 2021-12-08T13:27:27.91 0.3 undecidable manual S 175 27.6501 109 -0.23 72
MN.AQU.HNN. 2021-12-08T13:27:27.23 0.3 undecidable manual P 332 48.618 50 0.09 71
IV.FIAM.HNN. 2021-12-08T13:27:27.99 0.3 undecidable manual P 306 57.1983 50 -0.47 65
IT.SULC.HNZ. 2021-12-08T13:27:26.28 0.3 undecidable manual S 59 21.9669 113 -0.01 76
IT.SULP.HGN. 2021-12-08T13:27:26.90 0.3 undecidable manual S 57 24.2535 111 -0.13 74
IT.SULA.HNN. 2021-12-08T13:27:26.74 0.3 undecidable manual S 58 22.8549 112 0.18 73
IV.CERA.HNN. 2021-12-08T13:27:26.93 0.3 undecidable manual P 145 49.5171 50 -0.34 67
IV.PTQR.HHZ. 2021-12-08T13:27:26.70 0.6 undecidable manual S 285 23.8539 111 -0.21 48
IT.OPI.HGE. 2021-12-08T13:27:26.75 0.3 undecidable manual S 149 24.3534 111 -0.31 71
IV.LRP.EHZ. 2021-12-08T13:27:25.11 0.1 undecidable manual P 192 36.2415 50 -0.11 97
IV.LPEL.HHZ. 2021-12-08T13:27:25.73 0.1 undecidable manual P 78 42.4242 50 -0.45 89
IV.GUAR.HHZ. 2021-12-08T13:27:25.12 0.1 undecidable manual P 238 35.8419 50 -0.05 98
IV.T0110.HHZ. 2021-12-08T13:27:24.29 0.1 positive manual P 15 30.2475 50 -0.03 99
IV.FAGN.HHZ. 2021-12-08T13:27:24.75 0.1 undecidable manual P 347 34.2435 50 -0.17 96
IT.SULA.HNN. 2021-12-08T13:27:23.05 0.1 undecidable manual P 58 22.8549 112 0.11 99
IV.VVLD.HHZ. 2021-12-08T13:27:23.39 0.3 undecidable manual S 204 11.6772 129 0.2 74
IV.PTQR.HHZ. 2021-12-08T13:27:23.32 0.1 undecidable manual P 285 23.8539 111 0.17 97
IT.OPI.HGE. 2021-12-08T13:27:23.17 0.3 undecidable manual P 149 24.3534 111 -0.06 75
IT.SULP.HGN. 2021-12-08T13:27:23.28 0.1 undecidable manual P 57 24.2535 111 0.07 100
IV.POFI.HHZ. 2021-12-08T13:27:23.84 0.1 undecidable manual P 175 27.6501 109 -0.01 100
IT.SULC.HNZ. 2021-12-08T13:27:22.88 0.3 undecidable manual P 59 21.9669 113 0.09 75
IV.VVLD.HHZ. 2021-12-08T13:27:21.37 0.1 positive manual P 204 11.6772 129 0.37 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VVLD.HHE. ML:1.8 0.0010739999999999999 1.22 AML other m 2021-12-08T13:27:24.88
IV.VVLD.HNE. ML:1.8 0.0007679435500000001 0.128 AML other m 2021-12-08T13:27:24.88
IV.VVLD.HHN. ML:1.7 0.00063023435 0.1408 AML other m 2021-12-08T13:27:25.58
IV.VVLD.HNN. ML:1.6 0.0004258259 0.128 AML other m 2021-12-08T13:27:24.52
IV.PTQR.HHE. ML:1.7 0.00029634265 0.16 AML other m 2021-12-08T13:27:27.82
IV.POFI.HNN. ML:1.8 0.00038074995 0.1536 AML other m 2021-12-08T13:27:30.26
IV.POFI.HHN. ML:1.8 0.00031288145 0.3584 AML other m 2021-12-08T13:27:28.25
IV.PTQR.HHN. ML:1.7 0.0002844063 0.2752 AML other m 2021-12-08T13:27:28.86
IV.T0110.HHN. ML:2.3 0.001029 0.26 AML other m 2021-12-08T13:27:29.03
IV.T0110.HHE. ML:2.3 0.0010170173500000002 0.16 AML other m 2021-12-08T13:27:29.14
IV.POFI.HHE. ML:1.9 0.00045724135 0.096 AML other m 2021-12-08T13:27:30.86
IV.POFI.HNE. ML:2.0 0.00050852805 0.1152 AML other m 2021-12-08T13:27:30.87
IV.GUAR.HHE. ML:2.1 0.00046300000000000003 0.18 AML other m 2021-12-08T13:27:31.13
IV.GUAR.HNE. ML:2.1 0.0004915000000000001 0.18 AML other m 2021-12-08T13:27:31.14
IV.GUAR.HHN. ML:2.2 0.0006774839500000001 0.2368 AML other m 2021-12-08T13:27:31.15
IV.GUAR.HNN. ML:2.2 0.0006979281500000001 0.2496 AML other m 2021-12-08T13:27:31.16
IV.LRP.EHN. ML:1.6 0.00016399999999999997 0.12 AML other m 2021-12-08T13:27:31.35
IV.LRP.EHE. ML:2.1 0.0004905 0.22 AML other m 2021-12-08T13:27:31.56
IV.FAGN.HHE. ML:2.4 0.001195 1.78 AML other m 2021-12-08T13:27:32.01
IV.LPEL.HHE. ML:0.0 0.00029443425 0.0768 AML other m 2021-12-08T13:27:32.71
IV.FAGN.HHN. ML:2.4 0.000970762 0.2624 AML other m 2021-12-08T13:27:32.73
IV.LPEL.HHN. ML:0.0 0.0002335951 0.1024 AML other m 2021-12-08T13:27:33.11
IV.VCEL.EHN. ML:0.0 0.00022665885000000002 0.3392 AML other m 2021-12-08T13:27:36.00
IV.RNI2.HHN. ML:0.0 0.0005901593 0.1408 AML other m 2021-12-08T13:27:36.57
IV.RNI2.HNN. ML:0.0 0.00057074295 0.128 AML other m 2021-12-08T13:27:36.57
IV.RNI2.HNE. ML:0.0 0.0004879578 0.1408 AML other m 2021-12-08T13:27:36.70
IV.RNI2.HHE. ML:0.0 0.0005171557 0.1408 AML other m 2021-12-08T13:27:36.71
IV.MIDA.HNE. ML:2.1 0.00025026675 0.3008 AML other m 2021-12-08T13:27:37.19
IV.MIDA.HHE. ML:2.0 0.0002044937 0.1408 AML other m 2021-12-08T13:27:38.52
IV.VCEL.EHE. ML:0.0 0.0002518548 0.2176 AML other m 2021-12-08T13:27:38.38
IV.MCI.EHN. ML:2.2 0.0003660898 0.1792 AML other m 2021-12-08T13:27:37.29
IV.MCI.EHE. ML:2.4 0.00064400355 0.256 AML other m 2021-12-08T13:27:38.45
IV.MIDA.HHN. ML:2.1 0.00025768555000000004 0.16 AML other m 2021-12-08T13:27:39.51
IV.MIDA.HNN. ML:2.0 0.000215254205 0.16 AML other m 2021-12-08T13:27:38.53
IV.NRCA.HHN. ML:1.6 0.000038485115 0.1408 AML other m 2021-12-08T13:27:55.72
IV.NRCA.HHE. ML:1.8 0.00005690000000000001 0.96 AML other m 2021-12-08T13:27:54.59
IV.LPEL.HNE. ML:1.9 0.0002543747 0.0832 AML other m 2021-12-08T13:27:32.75
IV.LPEL.HNN. ML:1.8 0.00020975089999999998 0.128 AML other m 2021-12-08T13:27:33.17
IV.GIUL.HHN. ML:1.6 0.00008522435 0.16 AML other m 2021-12-08T13:27:37.17
IV.GIUL.HHE. ML:1.6 0.00008625064500000001 0.16 AML other m 2021-12-08T13:27:36.72
IV.TERO.HNN. ML:1.9 0.000115617025 0.224 AML other m 2021-12-08T13:27:41.46
IV.TERO.HHE. ML:1.9 0.00012136294999999999 0.3008 AML other m 2021-12-08T13:27:43.62
IV.TERO.HNE. ML:1.9 0.00012120130000000001 0.1472 AML other m 2021-12-08T13:27:42.52
IV.TERO.HHN. ML:1.6 0.00006169907 0.1792 AML other m 2021-12-08T13:27:44.51
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