Earthquake with magnitude of ML 0.9 on date 25-01-2024 and time 22:40:23 (UTC) in region 4 km N Cittaducale (RI)

A magnitude ML 0.9 earthquake occured in region: 4 km N Cittaducale (RI), on

  • 25-01-2024 22:40:23 (UTC)
  • 25-01-2024 23:40:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4200, 12.9380 at 8 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
Cittaducale RI 4 6828 6828
Cantalice RI 6 2755 9583
Rieti RI 6 47698 57281
Castel Sant'Angelo RI 8 1308 58589
Borgo Velino RI 10 972 59561
Poggio Bustone RI 10 2055 61616
Micigliano RI 10 127 61743
Concerviano RI 11 291 62034
Antrodoco RI 12 2588 64622
Belmonte in Sabina RI 12 636 65258
Rivodutri RI 13 1253 66511
Contigliano RI 14 3783 70294
Greccio RI 14 1558 71852
Morro Reatino RI 15 373 72225
Colli sul Velino RI 16 533 72758
Leonessa RI 16 2435 75193
Rocca Sinibalda RI 16 815 76008
Labro RI 16 374 76382
Longone Sabino RI 17 597 76979
Monte San Giovanni in Sabina RI 17 714 77693
Posta RI 18 694 78387
Petrella Salto RI 18 1197 79584
Montenero Sabino RI 18 299 79883
Torricella in Sabina RI 19 1342 81225
Borbona RI 19 617 81842
Polino TR 20 233 82075
Poggio San Lorenzo RI 20 589 82664

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SE of Terni (111501 inhabitants)
39 Km W of L'Aquila (69753 inhabitants)
50 Km NE of Guidonia Montecelio (88673 inhabitants)
52 Km N of Tivoli (56533 inhabitants)
63 Km SE of Foligno (57155 inhabitants)
68 Km E of Viterbo (67173 inhabitants)
68 Km W of Teramo (54892 inhabitants)
70 Km NE of Roma (2864731 inhabitants)
83 Km N of Velletri (53303 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
91 Km NE of Pomezia (62966 inhabitants)
92 Km NE of Fiumicino (78395 inhabitants)
95 Km N of Aprilia (73446 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 2024-01-25
22:40:23
42.4205 12.9377 8 2024-01-25
22:47:33
Sala Sismica INGV-Roma 124859431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-25 22:40:23 ± 0.11
Latitude 42.4205 ± 0.0045
Longitude 12.9377 ± 0.0073
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124859431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 615
Semi-minor axis of confidence ellipse (meter) 199
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 236
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 182
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 15
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.62503
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 124859431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-25 22:47:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VAGA.HHZ. 2024-01-25T22:41:10.15 3.0 undecidable manual S 0.03 0
IV.MOCO.HHZ. 2024-01-25T22:41:00.08 3.0 undecidable manual Pg 2.66 0
IV.FDMO.HHZ. 2024-01-25T22:40:44.81 0.3 undecidable manual S 10 69.375 50 0.12 90
IV.NRCA.HHZ. 2024-01-25T22:40:39.21 0.3 undecidable manual S 17 48.0186 50 0.23 91
IV.FDMO.HHZ. 2024-01-25T22:40:35.32 0.3 undecidable manual P 10 69.375 50 -0.22 88
IV.GAVE.EHE. 2024-01-25T22:40:33.70 0.3 undecidable manual S 353 30.3474 105 -0.24 94
IV.RM33.EHZ. 2024-01-25T22:40:32.05 0.3 undecidable manual S 66 24.6531 108 -0.02 99
IV.LNSS.HHZ. 2024-01-25T22:40:31.33 0.3 undecidable manual S 22 21.867 110 0.18 97
IV.NRCA.HHZ. 2024-01-25T22:40:31.73 0.6 undecidable manual P 17 48.0186 50 -0.52 57
IV.ARRO.EHZ. 2024-01-25T22:40:31.71 0.6 undecidable manual S 321 22.5552 110 0.35 62
IV.SMA1.EHZ. 2024-01-25T22:40:31.11 0.3 undecidable manual P 54 40.0266 50 0.1 95
IV.FIAM.HHZ. 2024-01-25T22:40:31.27 0.3 undecidable manual S 139 22.4553 110 -0.05 99
IV.GAVE.EHE. 2024-01-25T22:40:29.06 0.3 undecidable manual P 353 30.3474 105 -0.28 93
IV.RM33.EHZ. 2024-01-25T22:40:28.24 0.3 undecidable manual P 66 24.6531 108 -0.01 100
IV.LNSS.HHZ. 2024-01-25T22:40:27.71 0.3 undecidable manual P 22 21.867 110 -0.01 100
IV.ARRO.EHZ. 2024-01-25T22:40:27.93 0.3 undecidable manual P 321 22.5552 110 0.09 98
IV.FIAM.HHZ. 2024-01-25T22:40:27.98 0.3 undecidable manual P 139 22.4553 110 0.15 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:0.9 0.00004515 0.52 AML other m 2024-01-25T22:40:32.30
IV.ARRO.EHN. ML:0.6 0.00002895 0.66 AML other m 2024-01-25T22:40:32.37
IV.RM33.EHE. ML:1.0 0.0000596 0.44 AML other m 2024-01-25T22:40:32.73
IV.ARRO.EHE. ML:0.8 0.0000441 0.2 AML other m 2024-01-25T22:40:33.40
IV.LNSS.HHN. ML:0.9 0.00005935 1.58 AML other m 2024-01-25T22:40:33.94
IV.LNSS.HHE. ML:0.9 0.00005795 0.46 AML other m 2024-01-25T22:40:34.82
IV.NRCA.HHE. ML:0.9 0.000020499999999999997 0.16 AML other m 2024-01-25T22:40:39.68
IV.SMA1.EHN. ML:0.9 0.000027799999999999998 1.56 AML other m 2024-01-25T22:40:39.82
IV.SMA1.EHE. ML:0.8 0.000026450000000000003 1.44 AML other m 2024-01-25T22:40:40.85
IV.NRCA.HHN. ML:0.9 0.000019950000000000004 1.36 AML other m 2024-01-25T22:40:40.78
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