Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 03-04-2024 and time 22:31:46 (UTC) in region 2 km N Colle di Tora (RI)

A magnitude ML 1.4 earthquake occured in region: 2 km N Colle di Tora (RI), on

  • 03-04-2024 22:31:46 (UTC)
  • 04-04-2024 00:31:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2310, 12.9450 at 11 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
Colle di Tora RI 2 372 372
Castel di Tora RI 2 288 660
Longone Sabino RI 5 597 1257
Rocca Sinibalda RI 5 815 2072
Ascrea RI 6 234 2306
Paganico Sabino RI 6 172 2478
Poggio Moiano RI 6 2751 5229
Varco Sabino RI 6 187 5416
Monteleone Sabino RI 7 1224 6640
Torricella in Sabina RI 7 1342 7982
Pozzaglia Sabina RI 8 360 8342
Marcetelli RI 9 89 8431
Poggio San Lorenzo RI 9 589 9020
Collegiove RI 10 213 9233
Belmonte in Sabina RI 11 636 9869
Concerviano RI 11 291 10160
Orvinio RI 11 405 10565
Scandriglia RI 11 3108 13673
Frasso Sabino RI 11 743 14416
Turania RI 12 241 14657
Casaprota RI 12 744 15401
Montenero Sabino RI 12 299 15700
Poggio Nativo RI 12 2622 18322
Petrella Salto RI 13 1197 19519
Nespolo RI 13 246 19765
Collalto Sabino RI 14 442 20207
Nerola RM 15 1926 22133
Percile RM 15 255 22388
Vivaro Romano RM 15 182 22570
Fiamignano RI 15 1413 23983
Montorio Romano RM 15 1984 25967
Toffia RI 16 1058 27025
Mompeo RI 16 530 27555
Monteflavio RM 16 1348 28903
Salisano RI 17 567 29470
Castelnuovo di Farfa RI 17 1059 30529
Vallinfreda RM 17 283 30812
Pescorocchiano RI 17 2075 32887
Cittaducale RI 17 6828 39715
Monte San Giovanni in Sabina RI 18 714 40429
Licenza RM 18 1011 41440
Fara in Sabina RI 18 13742 55182
Carsoli AQ 19 5396 60578
Moricone RM 19 2650 63228
Riofreddo RM 19 781 64009
Castel Sant'Angelo RI 20 1308 65317
Montelibretti RM 20 5323 70640

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Guidonia Montecelio (88673 inhabitants)
32 Km NE of Tivoli (56533 inhabitants)
40 Km W of L'Aquila (69753 inhabitants)
44 Km SE of Terni (111501 inhabitants)
53 Km NE of Roma (2864731 inhabitants)
62 Km N of Velletri (53303 inhabitants)
72 Km E of Viterbo (67173 inhabitants)
72 Km NE of Pomezia (62966 inhabitants)
75 Km NE of Aprilia (73446 inhabitants)
78 Km NE of Fiumicino (78395 inhabitants)
79 Km SW of Teramo (54892 inhabitants)
83 Km S of Foligno (57155 inhabitants)
85 Km N of Latina (125985 inhabitants)
91 Km N of Anzio (54211 inhabitants)
96 Km E of Civitavecchia (52991 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 1.4 2024-04-03
22:31:46		 42.2312 12.9447 11 2024-04-03
22:38:59		 Sala Sismica INGV-Roma 126455281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-03 22:31:46 ± 0.13
Latitude 42.2312 ± 0.0054
Longitude 12.9447 ± 0.0085
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126455281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 691
Semi-minor axis of confidence ellipse (meter) 466
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 125
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.84536
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 126455281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-03 22:38:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PAOL.HHZ. 2024-04-03T22:32:42.84 3.0 undecidable manual Sg 5.54 0
IV.GIUL.HHZ. 2024-04-03T22:32:09.28 3.0 undecidable manual S -2.69 0
IV.NRCA.HHZ. 2024-04-03T22:32:07.23 0.1 undecidable manual S 12 68.2761 50 0.27 87
IV.FAGN.HHZ. 2024-04-03T22:32:03.23 0.3 undecidable manual S 86 52.6029 50 0.44 65
IV.GAVE.EHZ. 2024-04-03T22:32:02.41 0.3 undecidable manual S 355 51.3153 50 -0.03 71
IV.MF5.EHZ. 2024-04-03T22:32:02.30 0.3 undecidable manual P 26 93.8394 50 0.13 64
IV.FDMO.HHZ. 2024-04-03T22:32:01.24 0.3 undecidable manual P 7 90.0432 50 -0.34 62
IV.PTQR.HHZ. 2024-04-03T22:32:01.68 3.0 undecidable manual S -0.09 0
IV.CESI.HHZ. 2024-04-03T22:32:01.09 0.3 undecidable manual P 358 85.8474 50 0.16 65
IV.LNSS.HHZ. 2024-04-03T22:31:59.89 0.3 undecidable manual S 11 41.9247 50 -0.05 72
IV.ARRO.EHZ. 2024-04-03T22:31:59.84 0.3 undecidable manual S 339 41.3253 50 0.08 71
IV.RM33.EHZ. 2024-04-03T22:31:58.85 0.1 undecidable manual S 36 37.9287 50 -0.01 97
IV.SRES.HHZ. 2024-04-03T22:31:58.93 0.1 undecidable manual S 271 35.742 50 0.65 83
IV.T0110.HHZ. 2024-04-03T22:31:58.52 3.0 positive manual P -0.14 0
IV.NRCA.HHZ. 2024-04-03T22:31:57.78 0.1 undecidable manual P 12 68.2761 50 -0.44 84
IV.SMA1.EHZ. 2024-04-03T22:31:56.85 0.3 undecidable manual P 36 54.6009 50 0.73 58
IV.MTCE.HHZ. 2024-04-03T22:31:56.15 0.1 undecidable manual S 216 28.4493 50 -0.2 95
IV.GAVE.EHZ. 2024-04-03T22:31:55.29 0.1 undecidable manual P 355 51.3153 50 -0.32 89
IV.FAGN.HHZ. 2024-04-03T22:31:55.57 0.3 undecidable manual P 86 52.6029 50 -0.24 68
IV.LNSS.HHZ. 2024-04-03T22:31:53.94 0.1 undecidable manual P 11 41.9247 50 -0.23 92
IV.ARRO.EHZ. 2024-04-03T22:31:53.89 0.1 undecidable manual P 339 41.3253 50 -0.17 94
IV.RM33.EHZ. 2024-04-03T22:31:53.22 0.1 undecidable manual P 36 37.9287 50 -0.33 91
IV.SRES.HHZ. 2024-04-03T22:31:53.43 0.3 undecidable manual P 271 35.742 50 0.22 70
IV.FIAM.HHZ. 2024-04-03T22:31:52.87 0.1 undecidable manual S 74 14.7741 50 0.19 98
IV.MTCE.HHZ. 2024-04-03T22:31:51.91 0.1 undecidable manual P 216 28.4493 50 -0.19 96
IV.FIAM.HHZ. 2024-04-03T22:31:50.05 0.1 undecidable manual P 74 14.7741 50 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIAM.HHN. ML:1.6 0.00036449999999999997 0.14 AML other m 2024-04-03T22:31:53.21
IV.FIAM.HNN. ML:1.6 0.0003765 0.78 AML other m 2024-04-03T22:31:53.21
IV.FIAM.HNE. ML:1.5 0.0003145 0.74 AML other m 2024-04-03T22:31:53.64
IV.FIAM.HHE. ML:1.5 0.00032250000000000003 0.24 AML other m 2024-04-03T22:31:53.64
IV.MTCE.HHN. ML:1.4 0.000142 0.44 AML other m 2024-04-03T22:31:56.31
IV.MTCE.HHE. ML:1.2 0.00008740000000000001 0.46 AML other m 2024-04-03T22:31:56.62
IV.ARRO.EHN. ML:1.4 0.0000799 0.68 AML other m 2024-04-03T22:32:00.37
IV.ARRO.EHE. ML:1.4 0.0000813 0.16 AML other m 2024-04-03T22:32:00.31
IV.RM33.EHN. ML:1.3 0.000073 0.42 AML other m 2024-04-03T22:32:00.48
IV.RM33.EHE. ML:1.4 0.00008985 0.72 AML other m 2024-04-03T22:32:00.66
IV.SRES.HHE. ML:0.9 0.00003075 0.4 AML other m 2024-04-03T22:32:00.52
IV.LNSS.HHN. ML:1.3 0.00007139999999999999 0.8 AML other m 2024-04-03T22:32:01.47
IV.LNSS.HHE. ML:1.4 0.00007719999999999999 0.8 AML other m 2024-04-03T22:32:01.38
IV.SRES.HHN. ML:0.9 0.000028899999999999998 0.48 AML other m 2024-04-03T22:32:01.77
IV.PTQR.HHN. ML:0.8 0.0000207 0.74 AML other m 2024-04-03T22:32:03.49
IV.GAVE.EHN. ML:1.5 0.0000868 1.06 AML other m 2024-04-03T22:32:04.43
IV.GAVE.EHE. ML:1.6 0.0000955 0.5 AML other m 2024-04-03T22:32:04.47
IV.FAGN.HHE. ML:1.7 0.00012585 0.38 AML other m 2024-04-03T22:32:04.74
IV.FAGN.HHN. ML:1.7 0.0001255 0.28 AML other m 2024-04-03T22:32:06.25
IV.PTQR.HHE. ML:0.9 0.00002385 0.86 AML other m 2024-04-03T22:32:06.28
IV.SMA1.EHN. ML:1.7 0.00011949999999999999 0.5 AML other m 2024-04-03T22:32:08.06
IV.SMA1.EHE. ML:1.4 0.0000598 1.14 AML other m 2024-04-03T22:32:08.96
IV.NRCA.HHN. ML:1.6 0.0000634 1.04 AML other m 2024-04-03T22:32:09.71
IV.NRCA.HHE. ML:1.7 0.00008765 0.7 AML other m 2024-04-03T22:32:09.74
IV.T0110.HHE. ML:1.3 0.000036 1.56 AML other m 2024-04-03T22:32:11.80
IV.T0110.HHN. ML:1.4 0.000042800000000000004 0.42 AML other m 2024-04-03T22:32:13.16
IV.FDMO.HHN. ML:1.2 0.00002195 0.16 AML other m 2024-04-03T22:32:15.08
IV.FDMO.HHE. ML:1.3 0.000023199999999999998 1.26 AML other m 2024-04-03T22:32:15.32
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