Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 17-12-2017 and time 11:20:54 (Italy) in region 3 km SW Villalago (AQ)

A magnitude ML 2.2 earthquake occured in region: 3 km SW Villalago (AQ), on

  • 17-12-2017 10:20:54 (UTC)
  • 17-12-2017 11:20:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.9100, 13.8210 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Villalago AQ 3 568 568
Scanno AQ 5 1847 2415
Bisegna AQ 5 223 2638
Anversa degli Abruzzi AQ 10 341 2979
Lecce nei Marsi AQ 11 1702 4681
Pescasseroli AQ 11 2203 6884
Gioia dei Marsi AQ 12 1989 8873
Ortona dei Marsi AQ 12 542 9415
Introdacqua AQ 13 2126 11541
Bugnara AQ 13 1125 12666
Rocca Pia AQ 13 178 12844
Pettorano sul Gizio AQ 14 1376 14220
Cocullo AQ 14 230 14450
Opi AQ 14 420 14870
Ortucchio AQ 15 1860 16730
Prezza AQ 17 945 17675
Villavallelonga AQ 17 919 18594
Villetta Barrea AQ 17 653 19247
Sulmona AQ 18 24557 43804
Pescina AQ 19 4133 47937
Civitella Alfedena AQ 19 296 48233
Cansano AQ 19 274 48507
Goriano Sicoli AQ 19 569 49076
San Benedetto dei Marsi AQ 20 3909 52985
Collelongo AQ 20 1233 54218

Municipalities with at least 50000 inhabitants

An earthquake occurred to
57 Km SW of Chieti (51815 inhabitants)
60 Km SE of L'Aquila (69753 inhabitants)
70 Km SW of Pescara (121014 inhabitants)
73 Km SW of Montesilvano (53738 inhabitants)
84 Km S of Teramo (54892 inhabitants)
85 Km E of Tivoli (56533 inhabitants)
90 Km E of Velletri (53303 inhabitants)
91 Km NE of Latina (125985 inhabitants)
91 Km E of Guidonia Montecelio (88673 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 2.2 2017-12-17
10:20:54		 41.9097 13.821 11 2018-09-04
09:10:39		 Bollettino Sismico Italiano INGV 52977391
Reviewed
Rev100 		ML 2.2 2017-12-17
10:20:54		 41.9107 13.8303 14 2017-12-17
10:26:17		 Sala Sismica INGV-Roma 52639361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-17 10:20:54 ± 0.07
Latitude 41.9097 ± 0.0027
Longitude 13.8210 ± 0.0036
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 52977391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 280
Semi-minor axis of confidence ellipse (meter) 157
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
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 39
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.80489
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 52977391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-01-02 11:48:37

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 52639361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-17 10:26:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CIMA.HNZ. 2017-12-17T10:21:40.26 3.0 undecidable manual S 0.58 0
IV.LATB.EHZ. 2017-12-17T10:21:19.31 0.3 undecidable manual S 237 84.7485 90 -0.35 65
IV.TERO.HHZ. 2017-12-17T10:21:18.72 0.6 undecidable manual S 347 81.0522 90 0.04 46
IV.CERT.HHZ. 2017-12-17T10:21:15.35 0.6 undecidable manual S 274 69.375 90 -0.2 46
IV.GIUL.HHZ. 2017-12-17T10:21:13.77 0.3 undecidable manual S 230 60.9945 90 0.46 64
IV.TRIV.HHN. 2017-12-17T10:21:13.60 0.3 undecidable manual S 105 62.2932 90 -0.06 71
IV.GIGS.HHN. 2017-12-17T10:21:13.94 0.3 undecidable manual S 341 63.6918 90 -0.08 70
IV.VCEL.EHZ. 2017-12-17T10:21:11.65 0.6 undecidable manual S 2 53.8017 90 0.25 46
IV.SMA1.EHN. 2017-12-17T10:21:09.59 1.0 undecidable manual P 334 89.3439 90 -0.17 22
IV.MIDA.HHZ. 2017-12-17T10:21:09.68 0.3 undecidable manual S 130 46.5201 90 0.23 70
IV.TERO.HHZ. 2017-12-17T10:21:08.20 0.1 undecidable manual P 347 81.0522 90 -0.29 87
IV.LATB.EHZ. 2017-12-17T10:21:08.43 0.1 positive manual P 237 84.7485 90 -0.63 80
IV.FAGN.HHZ. 2017-12-17T10:21:08.56 0.3 undecidable manual S 334 44.0226 90 -0.23 71
IV.CERA.HHZ. 2017-12-17T10:21:07.20 0.3 undecidable manual S 155 38.2284 90 -0.04 75
IV.SGG.HHN. 2017-12-17T10:21:07.53 1.0 undecidable manual P 141 74.1702 90 0.1 23
IV.PTQR.HHZ. 2017-12-17T10:21:07.17 0.3 undecidable manual S 290 36.8298 90 0.31 70
IV.BSSO.HHE. 2017-12-17T10:21:07.91 1.0 undecidable manual P 122 75.6687 90 0.26 22
IV.FIAM.HNN. 2017-12-17T10:21:06.54 0.6 undecidable manual P 305 70.2741 90 -0.28 45
IV.LRP.EHZ. 2017-12-17T10:21:06.57 0.3 undecidable manual S 214 35.0427 90 0.2 72
IV.T0110.HHZ. 2017-12-17T10:21:06.72 0.3 undecidable manual S 354 35.6421 90 0.17 73
IV.CERT.HHZ. 2017-12-17T10:21:06.70 0.1 undecidable manual P 274 69.375 90 0.01 93
IV.LPEL.HHZ. 2017-12-17T10:21:05.55 0.3 undecidable manual S 63 33.5442 90 -0.43 69
IV.VAGA.HHZ. 2017-12-17T10:21:05.63 0.6 undecidable manual P 148 64.6908 90 -0.33 45
IV.GIGS.HHN. 2017-12-17T10:21:05.75 0.6 undecidable manual P 341 63.6918 90 -0.05 47
IV.GIUL.HHZ. 2017-12-17T10:21:05.32 0.1 positive manual P 230 60.9945 90 -0.07 95
IV.TRIV.HHN. 2017-12-17T10:21:05.92 0.1 undecidable manual P 105 62.2932 90 0.32 89
IV.VCEL.EHZ. 2017-12-17T10:21:04.49 0.1 positive manual P 2 53.8017 90 0.2 93
IV.MIDA.HHZ. 2017-12-17T10:21:03.05 0.1 negative manual P 130 46.5201 90 -0.11 97
IV.MCI.EHE. 2017-12-17T10:21:03.00 0.1 positive manual P 181 46.4202 90 -0.15 96
IV.POFI.HHZ. 2017-12-17T10:21:03.21 0.3 undecidable manual S 203 23.1546 91 0 76
IV.FAGN.HHZ. 2017-12-17T10:21:02.67 0.1 undecidable manual P 334 44.0226 90 -0.11 97
IV.T0110.HHZ. 2017-12-17T10:21:01.60 0.1 positive manual P 354 35.6421 90 0.11 98
IV.PTQR.HHZ. 2017-12-17T10:21:01.70 0.1 undecidable manual P 290 36.8298 90 0.03 99
IV.CERA.HHZ. 2017-12-17T10:21:01.79 0.1 undecidable manual P 155 38.2284 90 -0.1 99
IV.LRP.EHZ. 2017-12-17T10:21:01.39 0.1 positive manual P 214 35.0427 90 0 99
IV.LPEL.HHZ. 2017-12-17T10:21:00.99 0.1 positive manual P 63 33.5442 90 -0.17 97
IV.INTR.HHZ. 2017-12-17T10:21:00.56 0.3 undecidable manual S 31 13.2756 103 -0.01 78
IV.POFI.HHZ. 2017-12-17T10:20:59.64 0.1 positive manual P 203 23.1546 91 0.08 100
IV.INTR.HHZ. 2017-12-17T10:20:58.27 0.1 positive manual P 31 13.2756 103 0.23 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERT.HHN. ML:1.8 0.00009625000000000001 0.8 AML other m 2017-12-17T10:21:19.44
IV.INTR.HHE. ML:2.1 0.001315 0.28 AML other m 2017-12-17T10:21:01.18
IV.POFI.HNE. ML:2.3 0.001365 0.2 AML other m 2017-12-17T10:21:03.60
IV.POFI.HHE. ML:2.4 0.0014 0.22 AML other m 2017-12-17T10:21:03.59
IV.POFI.HNN. ML:2.2 0.0011400000000000002 0.18 AML other m 2017-12-17T10:21:03.97
IV.POFI.HHN. ML:2.2 0.001145 0.18 AML other m 2017-12-17T10:21:03.97
IV.LPEL.HHN. ML:2.1 0.0005785 1.5 AML other m 2017-12-17T10:21:06.07
IV.T0110.HHE. ML:2.5 0.0012799999999999999 0.6 AML other m 2017-12-17T10:21:07.86
IV.T0110.HHN. ML:2.6 0.0014199999999999998 0.66 AML other m 2017-12-17T10:21:07.71
IV.PTQR.HHE. ML:1.7 0.0001805 0.42 AML other m 2017-12-17T10:21:07.67
IV.LPEL.HHE. ML:2.3 0.0008795 0.44 AML other m 2017-12-17T10:21:08.32
IV.CERA.HHN. ML:2.3 0.0006760000000000001 0.26 AML other m 2017-12-17T10:21:08.64
IV.CERA.HNN. ML:2.3 0.000661 0.26 AML other m 2017-12-17T10:21:08.64
IV.PTQR.HHN. ML:1.6 0.0001505 0.4 AML other m 2017-12-17T10:21:09.58
IV.LRP.EHN. ML:1.8 0.000261 0.24 AML other m 2017-12-17T10:21:09.53
IV.CERA.HNE. ML:2.2 0.000643 0.48 AML other m 2017-12-17T10:21:10.53
IV.CERA.HHE. ML:2.3 0.0006535 0.48 AML other m 2017-12-17T10:21:10.53
IV.MIDA.HHN. ML:2.1 0.00038 0.3 AML other m 2017-12-17T10:21:10.86
IV.MIDA.HHE. ML:2.1 0.000354 1.06 AML other m 2017-12-17T10:21:11.67
IV.FAGN.HHN. ML:2.4 0.0008380000000000001 0.5 AML other m 2017-12-17T10:21:11.46
IV.LRP.EHE. ML:2.0 0.00035749999999999996 1.66 AML other m 2017-12-17T10:21:12.02
IV.GIUL.HHE. ML:1.7 0.00010545 0.54 AML other m 2017-12-17T10:21:14.11
IV.VCEL.EHE. ML:2.4 0.000596 0.86 AML other m 2017-12-17T10:21:14.41
IV.VCEL.EHN. ML:2.3 0.000448 1.18 AML other m 2017-12-17T10:21:14.29
IV.FAGN.HHE. ML:2.5 0.0009315 1.42 AML other m 2017-12-17T10:21:16.05
IV.GIUL.HHN. ML:1.8 0.0001295 1.24 AML other m 2017-12-17T10:21:19.62
IV.CERT.HHE. ML:1.8 0.000122 0.52 AML other m 2017-12-17T10:21:23.97
IV.MIDA.HNN. ML:2.1 0.0003415478 0.2816 AML other m 2017-12-17T10:21:10.86
IV.MIDA.HNE. ML:2.0 0.0002838458 0.1216 AML other m 2017-12-17T10:21:11.13
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