Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 16-02-2021 and time 17:27:54 (Italy) in region 3 km SE Lecce nei Marsi (AQ)

A magnitude ML 1.9 earthquake occured in region: 3 km SE Lecce nei Marsi (AQ), on

  • 16-02-2021 16:27:54 (UTC)
  • 16-02-2021 17:27:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.9090, 13.7120 at 14 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
Lecce nei Marsi AQ 3 1702 1702
Bisegna AQ 4 223 1925
Gioia dei Marsi AQ 5 1989 3914
Ortucchio AQ 8 1860 5774
Villavallelonga AQ 9 919 6693
Ortona dei Marsi AQ 10 542 7235
Collelongo AQ 11 1233 8468
Villalago AQ 11 568 9036
Anversa degli Abruzzi AQ 12 341 9377
Pescasseroli AQ 13 2203 11580
San Benedetto dei Marsi AQ 13 3909 15489
Pescina AQ 14 4133 19622
Scanno AQ 14 1847 21469
Cocullo AQ 15 230 21699
Trasacco AQ 15 6246 27945
Balsorano AQ 17 3569 31514
Opi AQ 17 420 31934
San Vincenzo Valle Roveto AQ 18 2347 34281
Bugnara AQ 18 1125 35406
Pescosolido FR 18 1555 36961
Collarmele AQ 19 894 37855
Introdacqua AQ 19 2126 39981
Campoli Appennino FR 19 1725 41706
Prezza AQ 20 945 42651
Cerchio AQ 20 1635 44286
Goriano Sicoli AQ 20 569 44855
Civita d'Antino AQ 20 979 45834

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km SE of L'Aquila (69753 inhabitants)
62 Km SW of Chieti (51815 inhabitants)
75 Km SW of Pescara (121014 inhabitants)
76 Km E of Tivoli (56533 inhabitants)
77 Km SW of Montesilvano (53738 inhabitants)
81 Km E of Velletri (53303 inhabitants)
82 Km E of Guidonia Montecelio (88673 inhabitants)
83 Km NE of Latina (125985 inhabitants)
84 Km S of Teramo (54892 inhabitants)
95 Km E of Aprilia (73446 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 1.9 2021-02-16
16:27:54		 41.9087 13.7122 14 2021-07-12
16:55:00		 Bollettino Sismico Italiano INGV 87598561
Reviewed
Rev100 		ML 1.9 2021-02-16
16:27:54		 41.9043 13.7198 14 2021-02-16
16:40:04		 Sala Sismica INGV-Roma 87214291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-16 16:27:54 ± 0.08
Latitude 41.9087 ± 0.0036
Longitude 13.7122 ± 0.0048
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87598561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 440
Semi-minor axis of confidence ellipse (meter) 189
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 87
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.49463
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 87598561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-19 11:10:02

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 87214291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-16 16:40:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
AC.VLO.HHZ. 2021-02-16T16:29:33.61 3.0 undecidable manual Sg 37.07 0
IV.SENA.HHZ. 2021-02-16T16:29:13.27 3.0 undecidable manual Sg 5.55 0
IV.FIR.HHZ. 2021-02-16T16:29:13.78 3.0 undecidable manual Sg 21.280001 0
IV.NDIM.HHZ. 2021-02-16T16:29:12.85 3.0 undecidable manual Sn -2.57 0
IV.MILN.HNZ. 2021-02-16T16:29:08.39 3.0 negative manual Pg 28.4 0
IV.MARS.EHZ. 2021-02-16T16:29:01.92 3.0 undecidable manual Sg -3.09 0
SL.KOGS.BHZ. 2021-02-16T16:29:01.42 3.0 positive manual Pg 29.530001 0
IV.CAPR.HNZ. 2021-02-16T16:28:44.17 3.0 undecidable manual Pn 7.34 0
IV.GIZZ.HHZ. 2021-02-16T16:28:41.22 3.0 undecidable manual Sg 8.29 0
AC.VLO.HHZ. 2021-02-16T16:28:33.18 3.0 undecidable manual Pg 20.58 0
IV.TDS.HHZ. 2021-02-16T16:28:32.02 3.0 undecidable manual Sg 11.35 0
IV.NARO.HHZ. 2021-02-16T16:28:19.21 3.0 undecidable manual Pg 19.040001 0
IV.ASSB.HHZ. 2021-02-16T16:28:18.59 3.0 undecidable manual Sn -5.41 0
IV.VCEL.EHZ. 2021-02-16T16:28:12.46 0.6 undecidable manual S 11 54.9006 93 0.94 36
IV.MIDA.HHZ. 2021-02-16T16:28:11.04 0.6 undecidable manual S 123 53.7018 94 -0.17 45
IV.MCI.EHE. 2021-02-16T16:28:10.15 0.3 undecidable manual S 170 47.1195 94 0.71 57
IV.RNI2.HNE. 2021-02-16T16:28:09.73 0.6 undecidable manual S 122 42.9237 95 1.39 27
IV.CERA.HNN. 2021-02-16T16:28:07.94 0.3 undecidable manual S 144 42.8238 95 -0.35 67
IV.FAGN.HHZ. 2021-02-16T16:28:07.70 0.6 undecidable manual S 345 41.0256 95 -0.12 46
IV.LPEL.HHZ. 2021-02-16T16:28:07.50 0.6 undecidable manual S 68 41.7249 95 -0.52 43
IV.GUAR.HHZ. 2021-02-16T16:28:06.10 0.6 undecidable manual S 249 35.3424 96 -0.22 45
IV.T0110.HHZ. 2021-02-16T16:28:06.77 0.6 undecidable manual S 8 35.9418 96 0.29 46
OT.TAR1.HHZ. 2021-02-16T16:28:05.36 3.0 negative manual Pg 13.26 0
IV.LRP.EHZ. 2021-02-16T16:28:05.16 0.3 undecidable manual S 200 30.8469 98 0.04 71
IV.VCEL.EHZ. 2021-02-16T16:28:04.34 0.1 positive manual P 11 54.9006 93 0.06 92
IV.POFI.HHZ. 2021-02-16T16:28:03.04 0.6 undecidable manual S 180 21.2676 106 0.44 44
IT.SULP.HGN. 2021-02-16T16:28:03.99 0.6 undecidable manual S 42 26.4513 100 0.03 48
IT.SULC.HNE. 2021-02-16T16:28:03.52 0.3 undecidable manual S 43 23.9538 102 0.2 71
IV.MCI.EHE. 2021-02-16T16:28:03.02 0.3 undecidable manual P 170 47.1195 94 -0.06 70
IV.MIDA.HHZ. 2021-02-16T16:28:03.74 0.1 negative manual P 123 53.7018 94 -0.36 87
IT.SULA.HNE. 2021-02-16T16:28:03.81 0.3 undecidable manual S 43 24.8529 102 0.26 70
IV.RNI2.HNE. 2021-02-16T16:28:02.84 0.3 undecidable manual P 122 42.9237 95 0.4 65
IV.CERA.HNN. 2021-02-16T16:28:02.09 0.1 undecidable manual P 144 42.8238 95 -0.33 89
IV.T0110.HHZ. 2021-02-16T16:28:01.26 0.1 undecidable manual P 8 35.9418 96 -0.11 93
IV.INTR.HHZ. 2021-02-16T16:28:01.99 0.3 undecidable manual S 54 19.5693 108 -0.19 71
IV.GUAR.HHZ. 2021-02-16T16:28:01.22 0.3 undecidable manual P 249 35.3424 96 -0.06 71
IV.FAGN.HHZ. 2021-02-16T16:28:01.90 0.1 undecidable manual P 345 41.0256 95 -0.24 89
IT.OPI.HGZ. 2021-02-16T16:28:01.59 0.3 undecidable manual S 146 17.6712 112 -0.11 73
IV.LPEL.HHZ. 2021-02-16T16:28:01.92 0.3 undecidable manual P 68 41.7249 95 -0.34 66
IV.LRP.EHZ. 2021-02-16T16:28:00.43 0.1 positive manual P 200 30.8469 98 -0.15 94
IV.PTQR.HHZ. 2021-02-16T16:28:00.24 0.1 negative manual P 296 28.5492 99 0 96
IT.SULA.HNE. 2021-02-16T16:27:59.75 0.3 undecidable manual P 43 24.8529 102 0.07 72
IT.SULP.HGN. 2021-02-16T16:27:59.93 0.3 undecidable manual P 42 26.4513 100 0.02 73
IV.POFI.HHZ. 2021-02-16T16:27:59.02 0.1 positive manual P 180 21.2676 106 -0.11 96
IT.SULC.HNE. 2021-02-16T16:27:59.58 0.3 undecidable manual P 43 23.9538 102 0.03 73
IV.VVLD.HHZ. 2021-02-16T16:27:59.72 0.1 undecidable manual S 239 8.4804 140 0.02 100
IT.OPI.HGZ. 2021-02-16T16:27:58.56 0.1 undecidable manual P 146 17.6712 112 -0.05 98
IV.INTR.HHZ. 2021-02-16T16:27:58.94 0.1 positive manual P 54 19.5693 108 0.06 97
IV.VVLD.HHZ. 2021-02-16T16:27:57.64 0.1 negative manual P 239 8.4804 140 0.19 97
IV.SGTA.HNZ. 2021-02-16T16:27:49.35 3.0 undecidable manual S -3.13 0
IV.VIVA.HHZ. 2021-02-16T16:27:41.72 3.0 negative manual P -4.14 0
IV.SGTA.HNZ. 2021-02-16T16:27:38.34 3.0 undecidable manual P 1.73 0
IV.PTRJ.HNZ. 2021-02-16T16:27:35.35 3.0 undecidable manual P -0.02 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VVLD.HHN. ML:2.2 0.001565 1.62 AML other m 2021-02-16T16:27:59.88
IV.VVLD.HNN. ML:2.1 0.0015 1.64 AML other m 2021-02-16T16:27:59.07
IV.VVLD.HHE. ML:2.4 0.00262 0.22 AML other m 2021-02-16T16:27:59.93
IV.VVLD.HNE. ML:2.4 0.002515 0.24 AML other m 2021-02-16T16:27:59.94
IV.INTR.HNE. ML:1.8 0.0004523159999999999 0.2176 AML other m 2021-02-16T16:28:02.30
IV.INTR.HHN. ML:2.0 0.0006741852 0.3712 AML other m 2021-02-16T16:28:02.30
IV.INTR.HHE. ML:1.8 0.00045582820000000004 0.3968 AML other m 2021-02-16T16:28:02.41
IV.INTR.HNN. ML:1.9 0.00058877585 0.6656 AML other m 2021-02-16T16:28:02.63
IV.POFI.HHE. ML:1.2 0.00009047838 0.2432 AML other m 2021-02-16T16:28:03.20
IV.POFI.HHN. ML:1.2 0.00011249999999999998 0.42 AML other m 2021-02-16T16:28:03.73
IV.PTQR.HHN. ML:1.0 0.000051149335 0.3072 AML other m 2021-02-16T16:28:05.53
IV.PTQR.HHE. ML:1.1 0.000053904325 0.3072 AML other m 2021-02-16T16:28:05.53
IV.LRP.EHE. ML:2.2 0.000732 0.24 AML other m 2021-02-16T16:28:05.38
IV.LRP.EHN. ML:1.4 0.0001245 0.94 AML other m 2021-02-16T16:28:05.36
IV.GUAR.HHE. ML:1.8 0.00022066540000000002 0.384 AML other m 2021-02-16T16:28:06.48
IV.GUAR.HHN. ML:2.0 0.00039949999999999995 0.3 AML other m 2021-02-16T16:28:06.51
IV.LPEL.HNN. ML:1.9 0.0002667505 0.2048 AML other m 2021-02-16T16:28:07.87
IV.LPEL.HHN. ML:1.9 0.000253 0.2 AML other m 2021-02-16T16:28:07.87
IV.FAGN.HHN. ML:2.0 0.00032206575 0.2816 AML other m 2021-02-16T16:28:08.28
IV.MIDA.HNE. ML:1.8 0.00013659359999999997 0.2816 AML other m 2021-02-16T16:28:11.40
IV.MIDA.HHN. ML:1.8 0.00012797455 0.3072 AML other m 2021-02-16T16:28:11.39
IV.MIDA.HHE. ML:1.9 0.00017220805 0.3584 AML other m 2021-02-16T16:28:11.78
IV.VCEL.EHN. ML:1.8 0.000147229 0.2176 AML other m 2021-02-16T16:28:13.18
IV.VCEL.EHE. ML:1.8 0.00016038425000000002 0.4608 AML other m 2021-02-16T16:28:13.43
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