Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 08-04-2024 and time 12:01:41 (UTC) in region 1 km E Vacone (RI)

A magnitude ML 1.5 earthquake occured in region: 1 km E Vacone (RI), on

  • 08-04-2024 12:01:41 (UTC)
  • 08-04-2024 14:01:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3870, 12.6500 at 9 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
Vacone RI 1 256 256
Montasola RI 3 395 651
Torri in Sabina RI 4 1256 1907
Cottanello RI 4 563 2470
Configni RI 4 633 3103
Montebuono RI 5 883 3986
Tarano RI 6 1444 5430
Casperia RI 6 1246 6676
Calvi dell'Umbria TR 7 1856 8532
Selci RI 8 1106 9638
Roccantica RI 8 563 10201
Cantalupo in Sabina RI 9 1685 11886
Collevecchio RI 10 1577 13463
Contigliano RI 10 3783 17246
Poggio Catino RI 11 1341 18587
Forano RI 11 3179 21766
Stimigliano RI 12 2328 24094
Monte San Giovanni in Sabina RI 12 714 24808
Greccio RI 12 1558 26366
Stroncone TR 13 4917 31283
Poggio Mirteto RI 14 6315 37598
Magliano Sabina RI 14 3774 41372
Otricoli TR 15 1869 43241
Filacciano RM 15 477 43718
Ponzano Romano RM 16 1155 44873
Montopoli di Sabina RI 16 4210 49083
Salisano RI 16 567 49650
Colli sul Velino RI 17 533 50183
Torrita Tiberina RM 17 1089 51272
Mompeo RI 18 530 51802
Rieti RI 18 47698 99500
Montenero Sabino RI 18 299 99799
Nazzano RM 18 1436 101235
Narni TR 19 19785 121020
Castelnuovo di Farfa RI 19 1059 122079
Terni TR 20 111501 233580
Casaprota RI 20 744 234324
Labro RI 20 374 234698
Sant'Oreste RM 20 3687 238385

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km S of Terni (111501 inhabitants)
43 Km N of Guidonia Montecelio (88673 inhabitants)
45 Km E of Viterbo (67173 inhabitants)
49 Km N of Tivoli (56533 inhabitants)
57 Km N of Roma (2864731 inhabitants)
62 Km W of L'Aquila (69753 inhabitants)
64 Km S of Foligno (57155 inhabitants)
76 Km NE of Fiumicino (78395 inhabitants)
78 Km E of Civitavecchia (52991 inhabitants)
79 Km N of Velletri (53303 inhabitants)
81 Km N of Pomezia (62966 inhabitants)
83 Km S of Perugia (166134 inhabitants)
88 Km N of Aprilia (73446 inhabitants)
92 Km W of Teramo (54892 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 1.5 2024-04-08
12:01:41		 42.3867 12.65 9 2024-04-08
12:21:05		 Sala Sismica INGV-Roma 126572151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-08 12:01:41 ± 0.22
Latitude 42.3867 ± 0.0045
Longitude 12.6500 ± 0.0231
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126572151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1871
Semi-minor axis of confidence ellipse (meter) 355
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 268
Circular confidence region, given by single value of horizontal uncertainty (meter) 1870.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 232
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56028
Number of stations at which the event was observed 48
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 126572151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-08 12:21:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLLN.EHN. 2024-04-08T12:03:40.46 3.0 undecidable manual Sn 1.53 0
IV.MONC.HHE. 2024-04-08T12:03:36.91 3.0 undecidable manual Sn -0.59 0
IV.BRICA.EHZ. 2024-04-08T12:03:33.50 3.0 undecidable manual Sn -2.85 0
IY.CIRK.HHN.00 2024-04-08T12:03:33.24 3.0 undecidable manual Sn -2.93 0
IV.TREG.EHE. 2024-04-08T12:03:23.29 3.0 undecidable manual Sg 12.61 0
IV.CADC.EHE. 2024-04-08T12:03:18.80 3.0 undecidable manual Sn 1.34 0
IV.BAG8.EHE. 2024-04-08T12:03:18.16 3.0 undecidable manual Sn -4.13 0
GU.RNCA.HHZ. 2024-04-08T12:03:16.35 3.0 undecidable manual Sn 1.91 0
4P.IT07A.HHE. 2024-04-08T12:03:11.94 3.0 undecidable manual Sn 2.63 0
IV.EBCN.HHE. 2024-04-08T12:03:08.99 3.0 negative manual Pg 15.62 0
IX.SCL3.EHN.02 2024-04-08T12:03:06.36 3.0 undecidable manual Sg 13.23 0
GU.RRL.HHZ. 2024-04-08T12:02:56.64 3.0 undecidable manual Pn 1.38 0
7C.SPAOL.HNZ. 2024-04-08T12:02:54.88 3.0 positive manual Pn -1.42 0
IV.FIU.EHN. 2024-04-08T12:02:50.93 3.0 undecidable manual Sn 2.36 0
IV.MSRU.HHZ. 2024-04-08T12:02:50.93 3.0 undecidable manual Pn 1.91 0
IV.ORI.HHE. 2024-04-08T12:02:50.64 3.0 undecidable manual Pg 15.44 0
IV.SARZ.HHZ. 2024-04-08T12:02:47.46 3.0 negative manual Pg 9.94 0
GU.BURY.HHN. 2024-04-08T12:02:43.71 3.0 undecidable manual Pn 1.57 0
GU.CARD.HHN. 2024-04-08T12:02:42.76 3.0 undecidable manual Sn -3.85 0
IV.LADO.EHZ. 2024-04-08T12:02:41.32 3.0 negative manual Pn -5.22 0
IV.OVO.HHE. 2024-04-08T12:02:40.15 3.0 undecidable manual Sg 3.56 0
GU.ROTM.HHN. 2024-04-08T12:02:39.31 3.0 negative manual Pn -2.41 0
2Y.A302A.HHE. 2024-04-08T12:02:38.40 3.0 positive manual Pg 7.33 0
GU.CANO.HHZ. 2024-04-08T12:02:35.89 3.0 negative manual Pn -2.23 0
IV.PAOL.HHN. 2024-04-08T12:02:34.68 3.0 undecidable manual Sn -0.11 0
IV.SGG.HHZ. 2024-04-08T12:02:34.52 3.0 undecidable manual Sg 8.27 0
IV.MNTV.EHN. 2024-04-08T12:02:26.48 3.0 positive manual Pn -2.23 0
IV.FIU.EHN. 2024-04-08T12:02:22.81 3.0 undecidable manual Pn 3.41 0
IV.VBKN.HHE. 2024-04-08T12:02:19.88 3.0 negative manual Pg 7.03 0
4P.IT08A.HHZ. 2024-04-08T12:02:18.43 3.0 positive manual Pn -3.72 0
IV.VMGN.HHZ. 2024-04-08T12:02:18.15 3.0 undecidable manual Pg 7.28 0
IV.APEC.HHN. 2024-04-08T12:02:15.16 3.0 undecidable manual Sn -3.01 0
IX.CMP3.EHN.02 2024-04-08T12:02:14.49 3.0 positive manual Pn -4.62 0
IV.MTRZ.HHZ. 2024-04-08T12:02:13.16 3.0 positive manual Pn -2.5 0
IV.SAP2.EHN. 2024-04-08T12:02:12.68 3.0 undecidable manual Sg 3.86 0
IV.FDMO.HHZ. 2024-04-08T12:02:06.49 3.0 undecidable manual S 1.3 0
IV.IOCA.HHE. 2024-04-08T12:02:06.96 3.0 undecidable manual Pn -3.98 0
IV.GUAR.HHZ. 2024-04-08T12:02:05.11 3.0 undecidable manual S -0.72 0
IV.MCI.EHN. 2024-04-08T12:02:04.50 3.0 negative manual Pg 2.73 0
IV.NRCA.HHE. 2024-04-08T12:02:01.19 3.0 undecidable manual S 0.45 0
IV.CERT.HHZ. 2024-04-08T12:01:59.31 0.6 undecidable manual S 151 55.6998 50 0.29 44
IV.MOMA.HHE. 2024-04-08T12:01:57.73 3.0 undecidable manual S -2.12 0
IV.GAVE.EHZ. 2024-04-08T12:01:55.11 0.3 undecidable manual S 30 39.3273 50 0.45 66
IV.FDMO.HHZ. 2024-04-08T12:01:55.36 3.0 undecidable manual P 0.33 0
IV.LNSS.HHZ. 2024-04-08T12:01:54.69 0.3 undecidable manual S 53 39.9267 50 -0.13 70
IV.FIAM.HHZ. 2024-04-08T12:01:54.78 1.0 undecidable manual S 109 40.5261 50 -0.19 23
IV.SMA1.EHZ. 2024-04-08T12:01:52.77 0.1 undecidable manual P 64 62.1933 50 0.22 88
IV.NRCA.HHZ. 2024-04-08T12:01:52.37 3.0 negative manual P -0.16 0
IV.CERT.HHZ. 2024-04-08T12:01:51.31 0.1 undecidable manual P 151 55.6998 50 -0.23 89
IV.RM33.EHZ. 2024-04-08T12:01:50.11 0.1 undecidable manual P 73 48.1185 50 -0.28 90
IV.GAVE.EHZ. 2024-04-08T12:01:49.11 0.1 undecidable manual P 30 39.3273 50 0.08 95
IV.FIAM.HHZ. 2024-04-08T12:01:49.21 0.1 undecidable manual P 109 40.5261 50 0.01 96
IV.LNSS.HHZ. 2024-04-08T12:01:48.90 0.1 undecidable manual P 53 39.9267 50 -0.22 92
IT.MMP1.HGZ. 2024-04-08T12:01:48.43 0.6 undecidable manual S 152 17.2716 119 0.29 47
IV.ARRO.EHN. 2024-04-08T12:01:46.30 0.1 undecidable manual P 24 23.3544 112 -0.07 98
IT.MMP1.HGZ. 2024-04-08T12:01:45.27 0.1 undecidable manual P 152 17.2716 119 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:1.4 0.00016649999999999998 0.22 AML other m 2024-04-08T12:01:51.87
IV.CESX.HHN. ML:1.2 0.00009465 0.26 AML other m 2024-04-08T12:01:51.97
IV.ARRO.EHN. ML:1.3 0.000131 0.46 AML other m 2024-04-08T12:01:54.60
IV.LNSS.HHE. ML:1.9 0.000266 1.2 AML other m 2024-04-08T12:01:55.02
IV.LNSS.HHN. ML:1.7 0.000177 0.26 AML other m 2024-04-08T12:01:55.81
IV.FIAM.HHN. ML:1.4 0.00008335 0.42 AML other m 2024-04-08T12:01:56.34
IV.SRES.HHE. ML:1.1 0.00008724999999999999 1.56 AML other m 2024-04-08T12:01:56.84
IV.SRES.HHN. ML:1.1 0.0000944 0.8 AML other m 2024-04-08T12:01:56.94
IV.GAVE.EHE. ML:1.6 0.000133 0.5 AML other m 2024-04-08T12:01:57.46
IV.RM33.EHN. ML:1.4 0.00006495 0.34 AML other m 2024-04-08T12:01:58.60
IV.MOMA.HHN. ML:1.4 0.00006484999999999999 1.82 AML other m 2024-04-08T12:01:59.01
IV.MOMA.HHE. ML:1.4 0.00007300000000000001 0.62 AML other m 2024-04-08T12:01:59.04
IV.GAVE.EHN. ML:1.5 0.00011 0.34 AML other m 2024-04-08T12:01:59.27
IV.CESX.HHE. ML:1.2 0.0001013 0.44 AML other m 2024-04-08T12:01:59.22
IV.RM33.EHE. ML:1.4 0.00007364999999999999 0.32 AML other m 2024-04-08T12:01:59.58
IV.FIAM.HHE. ML:1.5 0.00010819999999999999 0.48 AML other m 2024-04-08T12:02:01.36
IV.NRCA.HHN. ML:1.6 0.00007580000000000001 0.14 AML other m 2024-04-08T12:02:01.92
IV.NRCA.HHE. ML:1.7 0.00009475 0.18 AML other m 2024-04-08T12:02:02.20
IV.SMA1.EHE. ML:1.7 0.00008895000000000001 0.6 AML other m 2024-04-08T12:02:03.75
IV.SMA1.EHN. ML:1.4 0.0000562 0.5 AML other m 2024-04-08T12:02:04.59
IV.FDMO.HHE. ML:1.6 0.00005015 1.76 AML other m 2024-04-08T12:02:06.08
IV.FDMO.HHN. ML:1.5 0.0000391 0.14 AML other m 2024-04-08T12:02:07.36
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