Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 28-01-2024 and time 13:56:07 (Italy) in region 4 km S Borbona (RI)

A magnitude ML 1.2 earthquake occured in region: 4 km S Borbona (RI), on

  • 28-01-2024 12:56:07 (UTC)
  • 28-01-2024 13:56:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4770, 13.1390 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.

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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
Borbona RI 4 617 617
Posta RI 6 694 1311
Cagnano Amiterno AQ 7 1369 2680
Micigliano RI 7 127 2807
Antrodoco RI 8 2588 5395
Borgo Velino RI 10 972 6367
Montereale AQ 10 2581 8948
Barete AQ 12 737 9685
Castel Sant'Angelo RI 13 1308 10993
Pizzoli AQ 14 4326 15319
Capitignano AQ 14 665 15984
Scoppito AQ 15 3727 19711
Cittareale RI 16 482 20193
Leonessa RI 17 2435 22628
Cittaducale RI 19 6828 29456
Cantalice RI 19 2755 32211

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of L'Aquila (69753 inhabitants)
41 Km E of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
63 Km NE of Guidonia Montecelio (88673 inhabitants)
64 Km NE of Tivoli (56533 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
84 Km NE of Roma (2864731 inhabitants)
85 Km E of Viterbo (67173 inhabitants)
86 Km W of Chieti (51815 inhabitants)
88 Km W of Pescara (121014 inhabitants)
93 Km NE of Velletri (53303 inhabitants)
93 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 1.2 2024-01-28
12:56:07		 42.4767 13.1392 11 2024-01-28
13:16:17		 Sala Sismica INGV-Roma 124909491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-28 12:56:07
Latitude 42.4767
Longitude 13.1392
Depth (km) 11 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124909491

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.06475
Epicentral distance of station farthest from the epicenter (degree) 0.91641
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 124909491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-28 13:16:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LRP.EHZ. 2024-01-28T12:56:28.74 0.6 undecidable manual P 158 101.7204 0.87 0.92
IV.MTRA.EHZ. 2024-01-28T12:56:20.81 0.6 undecidable manual S 34 37.5291 0.02 0.76
IV.SMA1.EHZ. 2024-01-28T12:56:17.22 0.6 undecidable manual S 43 23.4543 0.29 0.76
IV.FIAM.HHZ. 2024-01-28T12:56:16.95 0.6 undecidable manual S 185 23.1546 0.1 0.76
IV.MTRA.EHZ. 2024-01-28T12:56:15.13 0.1 undecidable manual P 34 37.5291 0.02 1.52
IV.NRCA.HHZ. 2024-01-28T12:56:15.31 0.1 undecidable manual P 358 39.627 -0.12 1.52
IV.LNSS.HHZ. 2024-01-28T12:56:14.95 0.6 undecidable manual S 330 16.1727 0.25 0.76
IV.SMA1.EHZ. 2024-01-28T12:56:13.38 0.6 undecidable manual P 43 23.4543 0.44 0.76
IV.FIAM.HHZ. 2024-01-28T12:56:13.12 0.6 undecidable manual P 185 23.1546 0.22 0.76
IV.RM33.EHZ. 2024-01-28T12:56:12.04 0.6 undecidable manual S 59 7.1928 -0.31 0.76
IV.LNSS.HHZ. 2024-01-28T12:56:11.64 0.3 undecidable manual P 330 16.1727 -0.05 1.14
IV.RM33.EHZ. 2024-01-28T12:56:10.30 0.1 undecidable manual P 59 7.1928 -0.07 1.52
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.2 0.00008805 0.26 AML other m 2024-01-28T12:56:18.35
IV.SMA1.EHE. ML:1.2 0.00009635000000000001 0.26 AML other m 2024-01-28T12:56:17.76
IV.FIAM.HHN. ML:1.1 0.00007905000000000001 1.08 AML other m 2024-01-28T12:56:17.92
IV.FIAM.HHE. ML:1.0 0.00006890000000000001 0.32 AML other m 2024-01-28T12:56:17.09
IV.LRP.EHN. ML:1.1 0.0000125 1.58 AML other m 2024-01-28T12:57:05.75
IV.LRP.EHE. ML:1.4 0.0000225 1.58 AML other m 2024-01-28T12:56:29.41
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