Earthquake with magnitude of ML 1.4 on date 25-02-2024 and time 20:08:21 (UTC) in region 4 km SE Antrodoco (RI)

A magnitude ML 1.4 earthquake occured in region: 4 km SE Antrodoco (RI), on

  • 25-02-2024 20:08:21 (UTC)
  • 25-02-2024 21:08:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4000, 13.1210 at 14 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
Antrodoco RI 4 2588 2588
Borgo Velino RI 5 972 3560
Castel Sant'Angelo RI 7 1308 4868
Micigliano RI 8 127 4995
Cagnano Amiterno AQ 11 1369 6364
Scoppito AQ 12 3727 10091
Petrella Salto RI 12 1197 11288
Borbona RI 13 617 11905
Concerviano RI 14 291 12196
Posta RI 14 694 12890
Cittaducale RI 14 6828 19718
Barete AQ 14 737 20455
Fiamignano RI 15 1413 21868
Pizzoli AQ 15 4326 26194
Montereale AQ 17 2581 28775
Tornimparte AQ 19 3187 31962
Longone Sabino RI 19 597 32559
Cantalice RI 19 2755 35314
Varco Sabino RI 20 187 35501
Marcetelli RI 20 89 35590

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km W of L'Aquila (69753 inhabitants)
43 Km E of Terni (111501 inhabitants)
55 Km NE of Guidonia Montecelio (88673 inhabitants)
55 Km NE of Tivoli (56533 inhabitants)
56 Km SW of Teramo (54892 inhabitants)
71 Km SE of Foligno (57155 inhabitants)
77 Km NE of Roma (2864731 inhabitants)
83 Km E of Viterbo (67173 inhabitants)
84 Km NE of Velletri (53303 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
86 Km W of Chieti (51815 inhabitants)
90 Km W of Pescara (121014 inhabitants)
96 Km NE of Pomezia (62966 inhabitants)
98 Km NE of Aprilia (73446 inhabitants)
99 Km SE of Perugia (166134 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 2024-02-25
20:08:21
42.3998 13.1213 14 2024-02-25
20:18:18
Sala Sismica INGV-Roma 125545701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-25 20:08:21 ± 0.1
Latitude 42.3998 ± 0.0045
Longitude 13.1213 ± 0.0097
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125545701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 778
Semi-minor axis of confidence ellipse (meter) 276
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 276
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) 151
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.69428
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 125545701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-25 20:18:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRE.HHZ. 2024-02-25T20:09:07.99 3.0 undecidable manual Sn 1.87 0
IV.CSP1.EHZ. 2024-02-25T20:08:45.61 0.6 undecidable manual S 5 77.0673 93 0.95 34
IV.FDMO.HHZ. 2024-02-25T20:08:43.31 0.3 undecidable manual S 358 70.6737 93 0.36 64
IV.NRCA.HHZ. 2024-02-25T20:08:36.76 0.6 undecidable manual S 359 48.1185 95 -0.19 46
IV.TERO.HHZ. 2024-02-25T20:08:36.38 0.6 undecidable manual S 58 46.62 95 -0.15 46
IV.CSP1.EHZ. 2024-02-25T20:08:34.73 0.1 undecidable manual P 5 77.0673 93 -0.19 87
IV.FDMO.HHZ. 2024-02-25T20:08:33.82 0.1 undecidable manual P 358 70.6737 93 -0.11 90
IV.SMA1.EHZ. 2024-02-25T20:08:32.83 0.6 undecidable manual S 34 30.9468 99 0.42 46
IV.LNSS.HNN. 2024-02-25T20:08:30.16 0.1 undecidable manual S 344 23.4543 105 -0.29 95
IV.TERO.HHZ. 2024-02-25T20:08:30.07 0.1 undecidable manual P 58 46.62 95 -0.16 92
IV.NRCA.HHZ. 2024-02-25T20:08:30.31 0.3 positive manual P 359 48.1185 95 -0.15 70
IV.CERT.HHZ. 2024-02-25T20:08:30.95 0.1 undecidable manual P 193 51.3153 95 0 94
IV.FIAM.HHZ. 2024-02-25T20:08:28.25 0.6 undecidable manual S 181 14.6742 121 -0.01 49
IV.RM33.EHZ. 2024-02-25T20:08:27.98 0.6 undecidable manual S 32 14.2746 122 -0.21 48
IV.SMA1.EHZ. 2024-02-25T20:08:27.98 0.1 undecidable manual P 34 30.9468 99 0.13 97
IV.LNSS.HNN. 2024-02-25T20:08:26.68 0.1 undecidable manual P 344 23.4543 105 -0.03 100
IV.RM33.EHZ. 2024-02-25T20:08:25.55 0.1 positive manual P 32 14.2746 122 0.14 100
IV.FIAM.HHZ. 2024-02-25T20:08:25.70 0.3 positive manual P 181 14.6742 121 0.25 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.4 0.00020400000000000003 0.44 AML other m 2024-02-25T20:08:28.32
IV.RM33.EHE. ML:1.8 0.000509 0.3 AML other m 2024-02-25T20:08:28.19
IV.FIAM.HHN. ML:1.3 0.000148 0.4 AML other m 2024-02-25T20:08:28.61
IV.FIAM.HHE. ML:1.3 0.000151 0.22 AML other m 2024-02-25T20:08:28.56
IV.SMA1.EHE. ML:1.2 0.00006625 1.24 AML other m 2024-02-25T20:08:33.00
IV.SMA1.EHN. ML:1.0 0.00003805 1.32 AML other m 2024-02-25T20:08:37.33
IV.NRCA.HHE. ML:1.6 0.00009675000000000001 0.12 AML other m 2024-02-25T20:08:37.93
IV.NRCA.HHN. ML:1.5 0.00007845 0.8 AML other m 2024-02-25T20:08:38.72
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