Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 04-09-2024 and time 05:53:02 (UTC) in region 4 km S Villavallelonga (AQ)

A magnitude ML 1.1 earthquake occured in region: 4 km S Villavallelonga (AQ), on

  • 04-09-2024 05:53:02 (UTC)
  • 04-09-2024 07:53:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8330, 13.6130 at 15 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Villavallelonga AQ 4 919 919
Balsorano AQ 5 3569 4488
Collelongo AQ 7 1233 5721
San Vincenzo Valle Roveto AQ 7 2347 8068
Pescosolido FR 10 1555 9623
Campoli Appennino FR 12 1725 11348
Sora FR 12 26144 37492
Lecce nei Marsi AQ 13 1702 39194
Civita d'Antino AQ 13 979 40173
Morino AQ 13 1448 41621
Ortucchio AQ 14 1860 43481
Broccostella FR 14 2741 46222
Pescasseroli AQ 15 2203 48425
Gioia dei Marsi AQ 15 1989 50414
Trasacco AQ 15 6246 56660
Bisegna AQ 16 223 56883
Posta Fibreno FR 17 1139 58022
Isola del Liri FR 17 11715 69737
Castelliri FR 18 3454 73191
Civitella Roveto AQ 18 3268 76459
Luco dei Marsi AQ 19 6079 82538
Fontechiari FR 19 1303 83841
Opi AQ 19 420 84261
Vicalvi FR 19 783 85044
Alvito FR 19 2713 87757
San Benedetto dei Marsi AQ 20 3909 91666

Municipalities with at least 50000 inhabitants

An earthquake occurred to
60 Km S of L'Aquila (69753 inhabitants)
69 Km E of Tivoli (56533 inhabitants)
71 Km E of Velletri (53303 inhabitants)
72 Km NE of Latina (125985 inhabitants)
74 Km SW of Chieti (51815 inhabitants)
76 Km E of Guidonia Montecelio (88673 inhabitants)
84 Km E of Aprilia (73446 inhabitants)
86 Km SW of Pescara (121014 inhabitants)
88 Km SW of Montesilvano (53738 inhabitants)
92 Km E of Anzio (54211 inhabitants)
92 Km S of Teramo (54892 inhabitants)
94 Km E of Roma (2864731 inhabitants)
94 Km E of Pomezia (62966 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
Reviewed
Rev100 		ML 1.1 2024-09-04
05:53:02		 41.8327 13.6133 15 2024-09-04
05:59:24		 Sala Sismica INGV-Roma 131199431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-09-04 05:53:02 ± 0.09
Latitude 41.8327 ± 0.0036
Longitude 13.6133 ± 0.0060
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 131199431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 443
Semi-minor axis of confidence ellipse (meter) 172
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 262
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) 74
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 19
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) 0.48384
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 131199431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-09-04 05:59:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
AC.VLO.HHZ.00 2024-09-04T05:55:04.01 3.0 undecidable manual Sn 2 0
IV.MSRU.HHZ. 2024-09-04T05:55:00.03 3.0 undecidable manual Sg 18.49 0
MN.VAE.HHZ. 2024-09-04T05:54:55.10 3.0 undecidable manual Sn 0.28 0
IV.PLAC.HNZ. 2024-09-04T05:54:47.44 3.0 undecidable manual Sn 1.78 0
4P.IT23A.HHZ. 2024-09-04T05:54:44.79 3.0 undecidable manual Sn -2.54 0
IV.BDI.HHZ. 2024-09-04T05:54:43.00 3.0 undecidable manual Sg 15.75 0
IV.MUCR.HHZ. 2024-09-04T05:54:38.74 3.0 undecidable manual Sn -4.16 0
IV.IMOL.EHZ. 2024-09-04T05:54:27.79 3.0 undecidable manual Sg 6.93 0
GU.POPM.HHZ. 2024-09-04T05:54:23.71 3.0 undecidable manual Sn -1.23 0
GU.GORR.HHZ. 2024-09-04T05:54:22.84 3.0 positive manual Pg 18.65 0
IV.ROVR.HNZ. 2024-09-04T05:54:16.94 3.0 undecidable manual Pg 12.17 0
IV.MUCR.HHZ. 2024-09-04T05:54:12.21 3.0 undecidable manual Pg 13.75 0
GU.GSCL.HHZ. 2024-09-04T05:53:51.49 3.0 negative manual Pn -1.09 0
IV.CSNT.HHZ. 2024-09-04T05:53:44.31 3.0 undecidable manual Pg 5.24 0
IV.TOLF.HHZ. 2024-09-04T05:53:40.26 3.0 undecidable manual Sn 0.61 0
IV.ARVD.HHZ. 2024-09-04T05:53:35.17 3.0 undecidable manual Pg 4.65 0
IV.CERT.HHZ. 2024-09-04T05:53:19.59 0.6 undecidable manual S 284 53.7018 95 0.03 47
IV.T0110.HHZ. 2024-09-04T05:53:17.81 0.3 undecidable manual S 17 46.0206 97 0.3 68
IV.INTR.HHZ. 2024-09-04T05:53:13.44 0.6 undecidable manual S 50 31.1466 102 -0.16 47
IV.CERT.HHZ. 2024-09-04T05:53:12.16 0.6 undecidable manual P 284 53.7018 95 -0.28 45
IV.PTQR.HHZ. 2024-09-04T05:53:12.40 0.3 undecidable manual S 320 27.3504 104 -0.21 71
IV.GUAR.HHZ. 2024-09-04T05:53:11.82 0.6 undecidable manual S 260 25.2525 106 -0.25 48
IV.T0110.HHZ. 2024-09-04T05:53:11.29 0.6 positive manual P 17 46.0206 97 0.03 48
IV.LPEL.HHZ. 2024-09-04T05:53:11.99 0.3 negative manual P 63 52.7028 96 -0.29 67
IT.OPI.HGZ. 2024-09-04T05:53:10.18 0.6 undecidable manual S 109 18.9699 115 -0.32 47
IV.LRP.EHZ. 2024-09-04T05:53:10.89 0.6 undecidable manual S 186 20.6682 112 -0.03 50
IV.POFI.HHZ. 2024-09-04T05:53:09.42 0.6 undecidable manual S 147 15.1737 123 -0.19 49
IV.PTQR.HHZ. 2024-09-04T05:53:08.75 1.0 positive manual P 320 27.3504 104 0.32 23
IV.INTR.HHZ. 2024-09-04T05:53:08.88 0.1 positive manual P 50 31.1466 102 -0.12 96
IV.GUAR.HHZ. 2024-09-04T05:53:08.24 0.6 undecidable manual P 260 25.2525 106 0.13 48
IT.OPI.HGZ. 2024-09-04T05:53:07.45 0.1 undecidable manual P 109 18.9699 115 0.24 96
IV.LRP.EHZ. 2024-09-04T05:53:07.45 0.1 undecidable manual P 186 20.6682 112 0 100
IV.VVLD.HHZ. 2024-09-04T05:53:07.57 0.6 undecidable manual S 11 4.1958 161 -0.2 49
IV.POFI.HHZ. 2024-09-04T05:53:06.92 0.1 negative manual P 147 15.1737 123 0.23 97
IV.VVLD.HHZ. 2024-09-04T05:53:05.97 0.1 undecidable manual P 11 4.1958 161 0.34 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.POFI.HHE. ML:1.0 0.0000839 0.46 AML other m 2024-09-04T05:53:10.45
IV.POFI.HHN. ML:0.9 0.0000671 1.84 AML other m 2024-09-04T05:53:10.01
IV.GUAR.HHN. ML:1.4 0.00011999999999999999 0.24 AML other m 2024-09-04T05:53:12.44
IV.GUAR.HHE. ML:1.3 0.00010585 0.1 AML other m 2024-09-04T05:53:12.89
IV.PTQR.HHN. ML:0.9 0.00004025 0.68 AML other m 2024-09-04T05:53:12.51
IV.PTQR.HHE. ML:1.0 0.00005475 0.22 AML other m 2024-09-04T05:53:13.50
IV.INTR.HHN. ML:1.1 0.0000556 1.28 AML other m 2024-09-04T05:53:14.02
IV.INTR.HHE. ML:1.1 0.000052900000000000005 1.38 AML other m 2024-09-04T05:53:16.15
IV.LPEL.HHE. ML:1.0 0.00002565 1.06 AML other m 2024-09-04T05:53:21.54
IV.LPEL.HHN. ML:1.0 0.000022850000000000003 0.18 AML other m 2024-09-04T05:53:22.93
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