Earthquake with magnitude of ML 0.9 on date 29-03-2024 and time 01:12:55 (UTC) in region 1 km NW Leonessa (RI)

A magnitude ML 0.9 earthquake occured in region: 1 km NW Leonessa (RI), on

  • 29-03-2024 01:12:55 (UTC)
  • 29-03-2024 02:12:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5700, 12.9520 at 10 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.

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 1 2435 2435
Polino TR 9 233 2668
Monteleone di Spoleto PG 9 599 3267
Poggio Bustone RI 9 2055 5322
Rivodutri RI 10 1253 6575
Morro Reatino RI 11 373 6948
Cantalice RI 12 2755 9703
Posta RI 13 694 10397
Labro RI 13 374 10771
Ferentillo TR 14 1913 12684
Arrone TR 15 2763 15447
Montefranco TR 15 1276 16723
Micigliano RI 16 127 16850
Poggiodomo PG 16 117 16967
Colli sul Velino RI 16 533 17500
Borbona RI 16 617 18117
Cascia PG 17 3217 21334
Cittareale RI 18 482 21816
Scheggino PG 19 461 22277
Rieti RI 20 47698 69975
Greccio RI 20 1558 71533
Antrodoco RI 20 2588 74121

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Terni (111501 inhabitants)
44 Km NW of L'Aquila (69753 inhabitants)
48 Km SE of Foligno (57155 inhabitants)
63 Km W of Teramo (54892 inhabitants)
66 Km N of Guidonia Montecelio (88673 inhabitants)
69 Km N of Tivoli (56533 inhabitants)
71 Km E of Viterbo (67173 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
85 Km NE of Roma (2864731 inhabitants)
98 Km W of Montesilvano (53738 inhabitants)
99 Km N of Velletri (53303 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 0.9 2024-03-29
01:12:55
42.5703 12.9517 10 2024-03-29
01:21:50
Sala Sismica INGV-Roma 126265771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-29 01:12:55 ± 0.12
Latitude 42.5703 ± 0.0090
Longitude 12.9517 ± 0.0061
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126265771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1008
Semi-minor axis of confidence ellipse (meter) 466
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 190
Circular confidence region, given by single value of horizontal uncertainty (meter) 1010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 166
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.07285
Epicentral distance of station farthest from the epicenter (degree) 0.28868
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 126265771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-29 01:21:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SMA1.EHE. 2024-03-29T01:13:07.27 0.3 undecidable manual S 78 32.0457 50 0.38 67
IV.NRCA.HHN. 2024-03-29T01:13:06.70 0.1 undecidable manual S 24 32.0457 50 -0.2 93
IV.RM33.EHZ. 2024-03-29T01:13:03.90 0.3 undecidable manual S 108 22.5552 114 -0.31 70
IV.NRCA.HHN. 2024-03-29T01:13:02.02 0.1 undecidable manual P 24 32.0457 50 -0.12 95
IV.SMA1.EHE. 2024-03-29T01:13:02.22 0.1 undecidable manual P 78 32.0457 50 0.08 96
IV.ARRO.EHZ. 2024-03-29T01:13:01.97 0.6 undecidable manual S 274 15.2736 123 0 50
IV.LNSS.HHZ. 2024-03-29T01:13:00.17 0.3 undecidable manual S 64 8.0808 141 0.05 75
IV.RM33.EHZ. 2024-03-29T01:13:00.47 0.1 undecidable manual P 108 22.5552 114 -0.12 97
IV.ARRO.EHZ. 2024-03-29T01:12:59.31 0.1 undecidable manual P 274 15.2736 123 0.01 100
IV.LNSS.HHZ. 2024-03-29T01:12:58.48 0.1 positive manual P 64 8.0808 141 0.25 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:1.1 0.000179 0.44 AML other m 2024-03-29T01:13:01.34
IV.LNSS.HHE. ML:0.8 0.00010059999999999999 0.12 AML other m 2024-03-29T01:13:01.07
IV.RM33.EHE. ML:0.8 0.00003820360199999999 0.26 AML other m 2024-03-29T01:13:04.30
IV.RM33.EHN. ML:0.9 0.000049784225 1.52 AML other m 2024-03-29T01:13:04.11
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