Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 11-02-2024 and time 21:25:05 (UTC) in region 4 km W Micigliano (RI)

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

  • 11-02-2024 21:25:05 (UTC)
  • 11-02-2024 22:25:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4590, 13.0070 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
Micigliano RI 4 127 127
Borgo Velino RI 7 972 1099
Castel Sant'Angelo RI 7 1308 2407
Antrodoco RI 8 2588 4995
Cantalice RI 9 2755 7750
Cittaducale RI 9 6828 14578
Posta RI 10 694 15272
Poggio Bustone RI 11 2055 17327
Borbona RI 12 617 17944
Leonessa RI 12 2435 20379
Rieti RI 13 47698 68077
Rivodutri RI 14 1253 69330
Concerviano RI 15 291 69621
Morro Reatino RI 16 373 69994
Cagnano Amiterno AQ 18 1369 71363
Belmonte in Sabina RI 18 636 71999
Labro RI 19 374 72373
Petrella Salto RI 19 1197 73570
Colli sul Velino RI 19 533 74103
Greccio RI 19 1558 75661
Polino TR 19 233 75894

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Terni (111501 inhabitants)
34 Km W of L'Aquila (69753 inhabitants)
56 Km NE of Guidonia Montecelio (88673 inhabitants)
58 Km NE of Tivoli (56533 inhabitants)
61 Km SE of Foligno (57155 inhabitants)
61 Km W of Teramo (54892 inhabitants)
74 Km E of Viterbo (67173 inhabitants)
76 Km NE of Roma (2864731 inhabitants)
88 Km N of Velletri (53303 inhabitants)
88 Km SE of Perugia (166134 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
96 Km W of Chieti (51815 inhabitants)
97 Km NE of Pomezia (62966 inhabitants)
99 Km W of Pescara (121014 inhabitants)
99 Km NE of Fiumicino (78395 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 2024-02-11
21:25:05		 42.4587 13.0068 11 2024-02-11
21:34:11		 Sala Sismica INGV-Roma 125227331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-11 21:25:05 ± 0.07
Latitude 42.4587 ± 0.0036
Longitude 13.0068 ± 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 125227331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 429
Semi-minor axis of confidence ellipse (meter) 308
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 52
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.14659
Epicentral distance of station farthest from the epicenter (degree) 0.29678
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 125227331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-11 21:34:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SMA1.EHZ. 2024-02-11T21:25:16.75 0.6 undecidable manual S 54 32.9448 50 0.05 49
IV.GAVE.HNZ. 2024-02-11T21:25:15.15 0.6 undecidable manual S 341 27.4503 50 -0.11 49
IV.FIAM.HHZ. 2024-02-11T21:25:13.81 0.6 undecidable manual S 157 22.9548 50 -0.24 48
IV.LNSS.HHZ. 2024-02-11T21:25:12.13 0.6 undecidable manual S 10 16.2726 124 -0.07 51
IV.SMA1.EHZ. 2024-02-11T21:25:12.03 0.1 undecidable manual P 54 32.9448 50 0.1 98
IV.RM33.EHZ. 2024-02-11T21:25:12.56 0.6 undecidable manual S 72 17.871 121 -0.12 50
IV.ARRO.EHZ. 2024-02-11T21:25:10.60 0.1 undecidable manual P 304 23.8539 50 0.07 100
IV.GAVE.HNZ. 2024-02-11T21:25:10.93 0.6 undecidable manual P 341 27.4503 50 -0.17 49
IV.FIAM.HHZ. 2024-02-11T21:25:10.57 0.6 positive manual P 157 22.9548 50 0.17 49
IV.LNSS.HHZ. 2024-02-11T21:25:09.36 0.6 undecidable manual P 10 16.2726 124 0.03 51
IV.RM33.EHZ. 2024-02-11T21:25:09.68 0.3 negative manual P 72 17.871 121 0.07 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.1 0.00010045 0.12 AML other m 2024-02-11T21:25:12.35
IV.LNSS.HHN. ML:1.1 0.0001005 0.22 AML other m 2024-02-11T21:25:12.34
IV.RM33.EHE. ML:0.6 0.000033405345 0.1536 AML other m 2024-02-11T21:25:12.86
IV.RM33.EHN. ML:0.7 0.0000424464565 0.32 AML other m 2024-02-11T21:25:12.73
IV.RM33.HNE. ML:1.2 0.000114573655 0.9216 AML other m 2024-02-11T21:25:11.87
IV.FIAM.HHE. ML:0.8 0.000040203645 1.4592 AML other m 2024-02-11T21:25:15.56
IV.FIAM.HHN. ML:0.7 0.000036680119999999996 0.64 AML other m 2024-02-11T21:25:13.95
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