Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 29-07-2024 and time 15:38:10 (Italy) in region 3 km S Leonessa (RI)

A magnitude ML 1.1 earthquake occured in region: 3 km S Leonessa (RI), on

  • 29-07-2024 13:38:10 (UTC)
  • 29-07-2024 15:38:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5380, 12.9700 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
Leonessa RI 3 2435 2435
Poggio Bustone RI 8 2055 4490
Cantalice RI 9 2755 7245
Rivodutri RI 10 1253 8498
Posta RI 11 694 9192
Morro Reatino RI 11 373 9565
Polino TR 12 233 9798
Micigliano RI 12 127 9925
Monteleone di Spoleto PG 13 599 10524
Borbona RI 14 617 11141
Labro RI 14 374 11515
Colli sul Velino RI 16 533 12048
Antrodoco RI 16 2588 14636
Borgo Velino RI 16 972 15608
Castel Sant'Angelo RI 17 1308 16916
Cittaducale RI 17 6828 23744
Arrone TR 17 2763 26507
Rieti RI 17 47698 74205
Ferentillo TR 17 1913 76118
Montefranco TR 18 1276 77394
Cittareale RI 18 482 77876
Greccio RI 19 1558 79434
Poggiodomo PG 20 117 79551

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Terni (111501 inhabitants)
41 Km NW of L'Aquila (69753 inhabitants)
51 Km SE of Foligno (57155 inhabitants)
62 Km W of Teramo (54892 inhabitants)
63 Km NE of Guidonia Montecelio (88673 inhabitants)
65 Km N of Tivoli (56533 inhabitants)
72 Km E of Viterbo (67173 inhabitants)
79 Km SE of Perugia (166134 inhabitants)
82 Km NE of Roma (2864731 inhabitants)
96 Km N of Velletri (53303 inhabitants)
97 Km W of Montesilvano (53738 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 2024-07-29
13:38:10		 42.5378 12.9702 11 2024-07-29
13:52:31		 Sala Sismica INGV-Roma 130254451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-07-29 13:38:10 ± 0.11
Latitude 42.5378 ± 0.0081
Longitude 12.9702 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 130254451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 904
Semi-minor axis of confidence ellipse (meter) 319
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 13
Circular confidence region, given by single value of horizontal uncertainty (meter) 900.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 185
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47394
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 130254451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-07-29 13:52:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHZ. 2024-07-29T13:38:30.28 3.0 positive manual P 0.9 0
IV.TERO.HHZ. 2024-07-29T13:38:26.52 0.3 undecidable manual S 79 52.6029 50 -0.19 70
IV.MOMA.HHZ. 2024-07-29T13:38:24.71 0.3 undecidable manual S 312 44.0226 50 0.3 70
IV.TERO.HHZ. 2024-07-29T13:38:19.48 0.3 undecidable manual P 79 52.6029 50 -0.23 70
IV.MOMA.HHZ. 2024-07-29T13:38:18.41 0.3 undecidable manual P 312 44.0226 50 0.03 74
IV.RM33.EHZ. 2024-07-29T13:38:18.22 0.3 undecidable manual S 99 20.2686 50 0.15 75
IV.GAVE.EHZ. 2024-07-29T13:38:17.17 0.3 undecidable manual S 340 18.1707 121 -0.32 73
IV.CESX.HHZ. 2024-07-29T13:38:16.52 0.1 undecidable manual P 284 32.2455 50 -0.06 100
IV.NRCA.HHE. 2024-07-29T13:38:16.94 0.3 undecidable manual P 20 34.8429 50 -0.03 75
IV.LNSS.HHZ. 2024-07-29T13:38:15.23 0.3 undecidable manual S 38 9.1797 140 0.16 77
IV.RM33.EHZ. 2024-07-29T13:38:14.72 0.3 undecidable manual P 99 20.2686 50 0 77
IV.GAVE.EHZ. 2024-07-29T13:38:14.51 0.3 undecidable manual P 340 18.1707 121 0.12 76
IV.ARRO.EHZ. 2024-07-29T13:38:14.10 0.3 undecidable manual P 285 17.3715 122 -0.14 76
IV.LNSS.HHZ. 2024-07-29T13:38:13.21 0.3 undecidable manual P 38 9.1797 140 0.22 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHN. ML:1.0 0.00009090000000000001 1.04 AML other m 2024-07-29T13:38:16.97
IV.ARRO.EHE. ML:1.0 0.00007535 0.66 AML other m 2024-07-29T13:38:17.27
IV.RM33.EHE. ML:1.2 0.00010345 0.14 AML other m 2024-07-29T13:38:18.60
IV.RM33.EHN. ML:1.0 0.0000803 0.12 AML other m 2024-07-29T13:38:18.79
IV.MOMA.HHN. ML:1.1 0.00003535 1.42 AML other m 2024-07-29T13:38:25.88
IV.MOMA.HHE. ML:1.1 0.00003645 0.42 AML other m 2024-07-29T13:38:26.77
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