Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 18-02-2024 and time 11:57:43 (UTC) in region 3 km E Borbona (RI)

A magnitude ML 1.5 earthquake occured in region: 3 km E Borbona (RI), on

  • 18-02-2024 11:57:43 (UTC)
  • 18-02-2024 12:57:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5130, 13.1660 at 15 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 3 617 617
Posta RI 6 694 1311
Montereale AQ 7 2581 3892
Cagnano Amiterno AQ 8 1369 5261
Capitignano AQ 11 665 5926
Micigliano RI 11 127 6053
Barete AQ 12 737 6790
Cittareale RI 12 482 7272
Antrodoco RI 13 2588 9860
Pizzoli AQ 14 4326 14186
Borgo Velino RI 15 972 15158
Amatrice RI 17 2657 17815
Castel Sant'Angelo RI 17 1308 19123
Scoppito AQ 17 3727 22850
Leonessa RI 17 2435 25285
Campotosto AQ 18 542 25827

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of L'Aquila (69753 inhabitants)
43 Km E of Terni (111501 inhabitants)
47 Km W of Teramo (54892 inhabitants)
62 Km SE of Foligno (57155 inhabitants)
67 Km NE of Guidonia Montecelio (88673 inhabitants)
68 Km NE of Tivoli (56533 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
84 Km W of Chieti (51815 inhabitants)
86 Km W of Pescara (121014 inhabitants)
88 Km E of Viterbo (67173 inhabitants)
89 Km NE of Roma (2864731 inhabitants)
92 Km SE of Perugia (166134 inhabitants)
97 Km NE 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 1.5 2024-02-18
11:57:43		 42.5128 13.1665 15 2024-02-18
12:06:20		 Sala Sismica INGV-Roma 125354821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-18 11:57:43 ± 0.05
Latitude 42.5128 ± 0.0027
Longitude 13.1665 ± 0.0037
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125354821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 263
Semi-minor axis of confidence ellipse (meter) 153
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 212
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33994
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 22
Type of magnitude ML
Reference to an origin 125354821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-18 12:06:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SACR.HNZ. 2024-02-18T11:58:30.25 3.0 undecidable manual Sn 0.04 0
IV.TERO.HHZ. 2024-02-18T11:57:56.34 0.6 undecidable manual S 71 37.7289 99 -0.12 47
IV.GIGS.HHZ. 2024-02-18T11:57:55.32 0.3 undecidable manual S 101 33.9438 100 -0.12 70
IV.NRCA.HHZ. 2024-02-18T11:57:55.80 0.3 undecidable manual S 353 35.8419 99 -0.14 70
IV.GAVE.EHZ. 2024-02-18T11:57:54.29 0.3 undecidable manual S 312 29.8479 102 -0.08 72
IV.FDMO.HHZ. 2024-02-18T11:57:54.52 3.0 negative manual P -0.81 0
IV.MF5.EHZ. 2024-02-18T11:57:54.28 3.0 positive manual P -1.05 0
IV.FIAM.HHZ. 2024-02-18T11:57:53.86 0.3 undecidable manual S 188 27.4503 104 0.1 72
IV.CAMP.HHZ. 2024-02-18T11:57:51.94 0.3 undecidable manual S 83 19.9689 113 0.08 73
IV.SMA1.EHZ. 2024-02-18T11:57:51.83 0.3 undecidable manual S 47 18.9699 115 0.22 71
IV.NRCA.HHZ. 2024-02-18T11:57:50.77 0.1 undecidable manual P 353 35.8419 99 -0.06 95
IV.TERO.HHZ. 2024-02-18T11:57:50.91 1.0 positive manual P 71 37.7289 99 -0.22 23
IV.LNSS.HHZ. 2024-02-18T11:57:50.51 0.3 undecidable manual S 314 14.3745 125 -0.03 75
IV.GIGS.HHZ. 2024-02-18T11:57:50.42 0.1 undecidable manual P 101 33.9438 100 -0.12 94
IV.FIAM.HHZ. 2024-02-18T11:57:49.62 0.3 undecidable manual P 188 27.4503 104 0.05 72
IV.GAVE.EHZ. 2024-02-18T11:57:49.90 0.1 undecidable manual P 312 29.8479 102 -0.03 97
IV.RM33.EHZ. 2024-02-18T11:57:48.61 0.1 undecidable manual S 96 3.996 162 -0.24 97
IV.SMA1.EHZ. 2024-02-18T11:57:48.60 0.1 positive manual P 47 18.9699 115 0.27 94
IV.CAMP.HHZ. 2024-02-18T11:57:48.56 0.1 undecidable manual P 83 19.9689 113 0.09 97
IV.LNSS.HHZ. 2024-02-18T11:57:47.81 0.3 undecidable manual P 314 14.3745 125 0.1 73
IV.RM33.EHZ. 2024-02-18T11:57:46.80 0.1 undecidable manual P 96 3.996 162 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNN. ML:2.2 0.0018700000000000001 0.32 AML other m 2024-02-18T11:57:48.65
IV.RM33.EHN. ML:2.2 0.001905 0.3 AML other m 2024-02-18T11:57:48.66
IV.RM33.EHE. ML:1.9 0.0008582069 0.1024 AML other m 2024-02-18T11:57:49.00
IV.RM33.HNE. ML:2.0 0.00107 0.62 AML other m 2024-02-18T11:57:49.31
IV.LNSS.HHE. ML:1.9 0.0006565000000000001 0.12 AML other m 2024-02-18T11:57:50.74
IV.LNSS.HHN. ML:1.8 0.000514 0.88 AML other m 2024-02-18T11:57:51.08
IV.SMA1.EHN. ML:1.8 0.0004705 0.36 AML other m 2024-02-18T11:57:52.16
IV.SMA1.EHE. ML:2.2 0.001016 1.48 AML other m 2024-02-18T11:57:52.20
IV.CAMP.HHN. ML:1.5 0.0002055 0.36 AML other m 2024-02-18T11:57:52.12
IV.CAMP.HHE. ML:1.2 0.0001105 0.38 AML other m 2024-02-18T11:57:52.12
IV.FIAM.HHN. ML:1.2 0.00008295 1.32 AML other m 2024-02-18T11:57:53.23
IV.FIAM.HHE. ML:1.2 0.00008219999999999999 1.84 AML other m 2024-02-18T11:57:53.04
IV.GAVE.EHN. ML:1.6 0.00017099999999999998 0.28 AML other m 2024-02-18T11:57:54.44
IV.GAVE.EHE. ML:1.5 0.00014050000000000003 0.94 AML other m 2024-02-18T11:57:55.00
IV.GIGS.HHE. ML:0.8 0.000025149999999999998 0.18 AML other m 2024-02-18T11:57:55.40
IV.NRCA.HHE. ML:1.6 0.0001625 0.18 AML other m 2024-02-18T11:57:56.11
IV.NRCA.HHN. ML:1.4 0.0000988 1.18 AML other m 2024-02-18T11:57:56.17
IV.GIGS.HHN. ML:0.7 0.000020215 0.36 AML other m 2024-02-18T11:57:56.24
IV.TERO.HHE. ML:1.2 0.000050900000000000004 0.32 AML other m 2024-02-18T11:57:58.34
IV.TERO.HHN. ML:1.1 0.000044568695 0.2368 AML other m 2024-02-18T11:57:58.82
IV.FDMO.HHN. ML:0.9 0.000015100000000000001 1 AML other m 2024-02-18T11:58:03.32
IV.FDMO.HHE. ML:1.0 0.000021850000000000003 0.42 AML other m 2024-02-18T11:58:03.56
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