Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 02-04-2024 and time 07:59:51 (Italy) in region 2 km S Rocca Sinibalda (RI)

A magnitude ML 1.4 earthquake occured in region: 2 km S Rocca Sinibalda (RI), on

  • 02-04-2024 05:59:51 (UTC)
  • 02-04-2024 07:59:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2590, 12.9230 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
Rocca Sinibalda RI 2 815 815
Longone Sabino RI 4 597 1412
Torricella in Sabina RI 4 1342 2754
Colle di Tora RI 6 372 3126
Castel di Tora RI 6 288 3414
Monteleone Sabino RI 6 1224 4638
Poggio San Lorenzo RI 6 589 5227
Belmonte in Sabina RI 7 636 5863
Poggio Moiano RI 7 2751 8614
Varco Sabino RI 8 187 8801
Concerviano RI 9 291 9092
Ascrea RI 9 234 9326
Montenero Sabino RI 9 299 9625
Paganico Sabino RI 10 172 9797
Casaprota RI 10 744 10541
Frasso Sabino RI 10 743 11284
Marcetelli RI 11 89 11373
Poggio Nativo RI 11 2622 13995
Pozzaglia Sabina RI 11 360 14355
Scandriglia RI 12 3108 17463
Petrella Salto RI 13 1197 18660
Collegiove RI 13 213 18873
Mompeo RI 14 530 19403
Orvinio RI 14 405 19808
Monte San Giovanni in Sabina RI 14 714 20522
Cittaducale RI 15 6828 27350
Salisano RI 15 567 27917
Toffia RI 15 1058 28975
Castelnuovo di Farfa RI 15 1059 30034
Turania RI 15 241 30275
Nerola RM 15 1926 32201
Montorio Romano RM 17 1984 34185
Nespolo RI 17 246 34431
Fiamignano RI 17 1413 35844
Fara in Sabina RI 17 13742 49586
Collalto Sabino RI 17 442 50028
Rieti RI 17 47698 97726
Castel Sant'Angelo RI 18 1308 99034
Monteflavio RM 18 1348 100382
Percile RM 18 255 100637
Vivaro Romano RM 19 182 100819
Montopoli di Sabina RI 19 4210 105029
Poggio Catino RI 19 1341 106370
Pescorocchiano RI 20 2075 108445
Poggio Mirteto RI 20 6315 114760
Borgo Velino RI 20 972 115732
Moricone RM 20 2650 118382

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NE of Guidonia Montecelio (88673 inhabitants)
34 Km NE of Tivoli (56533 inhabitants)
41 Km W of L'Aquila (69753 inhabitants)
41 Km SE of Terni (111501 inhabitants)
54 Km NE of Roma (2864731 inhabitants)
65 Km N of Velletri (53303 inhabitants)
70 Km E of Viterbo (67173 inhabitants)
74 Km NE of Pomezia (62966 inhabitants)
77 Km N of Aprilia (73446 inhabitants)
78 Km SW of Teramo (54892 inhabitants)
78 Km NE of Fiumicino (78395 inhabitants)
80 Km S of Foligno (57155 inhabitants)
88 Km N of Latina (125985 inhabitants)
93 Km N of Anzio (54211 inhabitants)
95 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 2024-04-02
05:59:51		 42.2587 12.9232 15 2024-04-02
06:11:03		 Sala Sismica INGV-Roma 126393061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-02 05:59:51 ± 0.08
Latitude 42.2587 ± 0.0045
Longitude 12.9232 ± 0.0085
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 126393061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 779
Semi-minor axis of confidence ellipse (meter) 152
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 293
Circular confidence region, given by single value of horizontal uncertainty (meter) 780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
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) 0.12950
Epicentral distance of station farthest from the epicenter (degree) 0.59175
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 126393061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-02 06:11:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2024-04-02T06:00:11.56 0.6 undecidable manual S 14 65.6898 94 0.08 46
IV.SMA1.EHE. 2024-04-02T06:00:08.88 0.6 undecidable manual S 39 53.3022 95 0.69 40
IV.GAVE.HNE. 2024-04-02T06:00:06.75 0.6 undecidable manual S 357 48.1185 96 -0.07 48
IV.LNSS.HHZ. 2024-04-02T06:00:04.35 0.6 undecidable manual S 14 39.3273 98 -0.14 48
IV.CERT.HHZ. 2024-04-02T06:00:03.16 0.6 undecidable manual S 172 34.6431 99 -0.1 49
IV.RM33.EHZ. 2024-04-02T06:00:03.62 0.6 undecidable manual S 41 36.6411 99 -0.15 49
IV.NRCA.HHZ. 2024-04-02T06:00:02.82 0.1 undecidable manual P 14 65.6898 94 -0.2 91
IV.SMA1.EHE. 2024-04-02T06:00:00.85 0.1 undecidable manual P 39 53.3022 95 -0.27 91
IV.GAVE.HNE. 2024-04-02T06:00:00.37 0.1 undecidable manual P 357 48.1185 96 0.04 97
IV.LNSS.HHZ. 2024-04-02T05:59:59.11 0.1 undecidable manual P 14 39.3273 98 0.12 97
IV.RM33.EHZ. 2024-04-02T05:59:58.50 0.3 positive manual P 41 36.6411 99 -0.07 74
IV.FIAM.HHZ. 2024-04-02T05:59:58.39 0.6 undecidable manual S 86 15.9729 120 -0.11 51
IV.CERT.HHZ. 2024-04-02T05:59:58.23 0.3 positive manual P 172 34.6431 99 -0.04 74
IV.MTCE.HHZ. 2024-04-02T05:59:57.67 0.3 positive manual P 210 30.1476 102 0.09 75
IT.MMP1.HGZ. 2024-04-02T05:59:57.84 0.6 undecidable manual S 266 14.3745 124 -0.31 49
IT.MMP1.HGZ. 2024-04-02T05:59:55.56 0.1 undecidable manual P 266 14.3745 124 0.24 99
IV.FIAM.HHZ. 2024-04-02T05:59:55.69 0.1 positive manual P 86 15.9729 120 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIAM.HHN. ML:1.4 0.00017549999999999998 0.36 AML other m 2024-04-02T05:59:58.75
IV.FIAM.HHE. ML:1.4 0.0001795 0.54 AML other m 2024-04-02T05:59:58.80
IV.NRCA.HHN. ML:1.6 0.0000691 0.12 AML other m 2024-04-02T06:00:14.32
IV.NRCA.HHE. ML:1.6 0.00007089437 0.12 AML other m 2024-04-02T06:00:14.32
IV.CERT.HHE. ML:1.3 0.0000781149225 0.14 AML other m 2024-04-02T06:00:05.05
IV.CERT.HHN. ML:1.4 0.00009155381499999999 0.16 AML other m 2024-04-02T06:00:04.41
IV.RM33.EHE. ML:1.5 0.0001222607 0.22 AML other m 2024-04-02T06:00:04.48
IV.RM33.EHN. ML:1.3 0.000070135005 0.3 AML other m 2024-04-02T06:00:04.88
IV.LNSS.HHE. ML:1.5 0.00010627708999999999 0.12 AML other m 2024-04-02T06:00:05.55
IV.LNSS.HHN. ML:1.4 0.00008291517 0.14 AML other m 2024-04-02T06:00:06.18
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