Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 30-03-2023 and time 18:46:38 (Italy) in region 2 km S Lecce nei Marsi (AQ)

A magnitude ML 1.3 earthquake occured in region: 2 km S Lecce nei Marsi (AQ), on

  • 30-03-2023 16:46:38 (UTC)
  • 30-03-2023 18:46:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.9120, 13.6870 at 15 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 2 1702 1702
Gioia dei Marsi AQ 5 1989 3691
Ortucchio AQ 6 1860 5551
Bisegna AQ 6 223 5774
Villavallelonga AQ 7 919 6693
Collelongo AQ 9 1233 7926
Ortona dei Marsi AQ 10 542 8468
San Benedetto dei Marsi AQ 12 3909 12377
Villalago AQ 13 568 12945
Pescina AQ 13 4133 17078
Trasacco AQ 13 6246 23324
Anversa degli Abruzzi AQ 13 341 23665
Pescasseroli AQ 14 2203 25868
Cocullo AQ 15 230 26098
Balsorano AQ 16 3569 29667
San Vincenzo Valle Roveto AQ 16 2347 32014
Scanno AQ 16 1847 33861
Collarmele AQ 17 894 34755
Civita d'Antino AQ 18 979 35734
Pescosolido FR 18 1555 37289
Cerchio AQ 18 1635 38924
Luco dei Marsi AQ 19 6079 45003
Bugnara AQ 19 1125 46128
Opi AQ 19 420 46548
Campoli Appennino FR 19 1725 48273
Morino AQ 20 1448 49721

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km SE of L'Aquila (69753 inhabitants)
63 Km SW of Chieti (51815 inhabitants)
74 Km E of Tivoli (56533 inhabitants)
75 Km SW of Pescara (121014 inhabitants)
77 Km SW of Montesilvano (53738 inhabitants)
79 Km E of Velletri (53303 inhabitants)
80 Km E of Guidonia Montecelio (88673 inhabitants)
82 Km NE of Latina (125985 inhabitants)
83 Km S of Teramo (54892 inhabitants)
93 Km E of Aprilia (73446 inhabitants)
100 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 1.3 2023-03-30
16:46:38		 41.9123 13.6873 15 2024-03-01
17:18:19		 Bollettino Sismico Italiano INGV 124450821
Reviewed
Rev100 		ML 1.3 2023-03-30
16:46:38		 41.9143 13.6973 13 2023-03-30
17:03:21		 Sala Sismica INGV-Roma 115889081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-30 16:46:38 ± 0.08
Latitude 41.9123 ± 0.0036
Longitude 13.6873 ± 0.0036
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124450821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 388
Semi-minor axis of confidence ellipse (meter) 97
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 337
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39210
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 115889081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-30 17:03:21

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 124450821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-03 13:10:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.STON.BHZ. 2023-03-30T16:48:14.76 3.0 undecidable manual Sg 6.01 0
IV.IMOL.HNZ. 2023-03-30T16:48:03.80 3.0 undecidable manual Sg 0.55 0
IV.PIPA.HHZ. 2023-03-30T16:47:39.45 3.0 negative manual Pg 6.15 0
IV.MGR.HHZ. 2023-03-30T16:47:17.58 3.0 undecidable manual Pn -0.23 0
IV.MMO1.EHZ. 2023-03-30T16:47:11.90 3.0 undecidable manual S -6.37 0
IV.SNTG.HHZ. 2023-03-30T16:47:08.47 3.0 undecidable manual P 0.83 0
IV.LPEL.HHZ. 2023-03-30T16:46:52.67 0.6 undecidable manual S 70 43.5231 97 0.04 47
IV.T0110.HHZ. 2023-03-30T16:46:50.49 0.6 undecidable manual S 12 35.9418 99 -0.13 47
IT.SULA.HNZ. 2023-03-30T16:46:48.46 0.6 undecidable manual S 47 26.0517 104 0.44 45
IV.PTQR.HHZ. 2023-03-30T16:46:48.22 0.6 undecidable manual S 297 26.5512 104 0.04 48
IT.OPI.HGE. 2023-03-30T16:46:46.47 0.3 undecidable manual S 142 19.1697 113 0.17 72
IV.POFI.HHZ. 2023-03-30T16:46:46.84 0.6 undecidable manual S 175 21.7671 109 -0.09 48
IV.INTR.HHZ. 2023-03-30T16:46:46.74 0.6 undecidable manual S 58 21.0678 110 -0.02 49
IV.LPEL.HHZ. 2023-03-30T16:46:46.57 0.3 undecidable manual P 70 43.5231 97 -0.09 69
IV.T0110.HHZ. 2023-03-30T16:46:45.25 0.1 undecidable manual P 12 35.9418 99 -0.25 91
IV.PTQR.HHZ. 2023-03-30T16:46:44.15 0.3 undecidable manual P 297 26.5512 104 0.06 72
IT.SULA.HNZ. 2023-03-30T16:46:44.35 1.0 undecidable manual P 47 26.0517 104 0.35 23
IV.INTR.HHZ. 2023-03-30T16:46:43.25 0.1 undecidable manual P 58 21.0678 110 -0.02 97
IT.OPI.HGE. 2023-03-30T16:46:43.04 0.1 undecidable manual P 142 19.1697 113 0.04 98
IV.POFI.HHZ. 2023-03-30T16:46:43.25 0.1 undecidable manual P 175 21.7671 109 -0.12 95
IV.VVLD.HHZ. 2023-03-30T16:46:43.76 0.3 undecidable manual S 228 7.0929 148 -0.05 75
IV.VVLD.HHZ. 2023-03-30T16:46:41.60 0.1 undecidable manual P 228 7.0929 148 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VVLD.HNE. ML:1.5 0.00034599999999999995 0.68 AML other m 2023-03-30T16:46:43.85
IV.VVLD.HHE. ML:1.5 0.000337 1.62 AML other m 2023-03-30T16:46:43.85
IV.VVLD.HNN. ML:1.4 0.000286 1.7 AML other m 2023-03-30T16:46:43.02
IV.VVLD.HHN. ML:1.5 0.000345 1.58 AML other m 2023-03-30T16:46:43.87
IV.POFI.HHE. ML:1.0 0.0000553 0.28 AML other m 2023-03-30T16:46:47.16
IV.INTR.HHN. ML:1.7 0.000326 0.84 AML other m 2023-03-30T16:46:47.25
IV.POFI.HHN. ML:0.9 0.000049850000000000006 0.36 AML other m 2023-03-30T16:46:47.44
IV.INTR.HHE. ML:1.4 0.00014749999999999998 0.7 AML other m 2023-03-30T16:46:47.24
IV.T0110.HHN. ML:1.2 0.00005835 0.42 AML other m 2023-03-30T16:46:50.76
IV.LPEL.HHN. ML:1.3 0.00005665000000000001 0.64 AML other m 2023-03-30T16:46:53.32
IV.T0110.HHE. ML:1.3 0.00007005 1.48 AML other m 2023-03-30T16:46:54.80
IV.LPEL.HHE. ML:1.3 0.0000649 0.12 AML other m 2023-03-30T16:46:54.94
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