Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 03-02-2024 and time 21:32:41 (Italy) in region 5 km NE Cittareale (RI)

A magnitude ML 0.9 earthquake occured in region: 5 km NE Cittareale (RI), on

  • 03-02-2024 20:32:41 (UTC)
  • 03-02-2024 21:32:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6580, 13.1900 at 16 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
Cittareale RI 5 482 482
Accumoli RI 6 667 1149
Amatrice RI 9 2657 3806
Montereale AQ 16 2581 6387
Arquata del Tronto AP 16 1178 7565
Cascia PG 16 3217 10782
Posta RI 17 694 11476
Borbona RI 17 617 12093
Norcia PG 17 4957 17050
Capitignano AQ 18 665 17715
Campotosto AQ 19 542 18257
Monteleone di Spoleto PG 20 599 18856

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
46 Km E of Terni (111501 inhabitants)
52 Km SE of Foligno (57155 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
82 Km SE of Perugia (166134 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
87 Km W of Pescara (121014 inhabitants)
87 Km W of Chieti (51815 inhabitants)
93 Km E of Viterbo (67173 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 2024-02-03
20:32:41		 42.658 13.1903 16 2024-02-03
21:26:08		 Sala Sismica INGV-Roma 125016861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-03 20:32:41 ± 0.15
Latitude 42.6580 ± 0.0054
Longitude 13.1903 ± 0.0073
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125016861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 640
Semi-minor axis of confidence ellipse (meter) 47
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 134
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) 114
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.10972
Epicentral distance of station farthest from the epicenter (degree) 0.30577
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 125016861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-03 21:26:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2024-02-03T20:32:53.17 0.6 undecidable manual S 96 33.9438 103 -0.13 49
IV.NRCA.HHZ. 2024-02-03T20:32:49.66 0.3 undecidable manual S 342 20.4684 117 -0.23 73
IV.LNSS.HHZ. 2024-02-03T20:32:48.23 0.6 undecidable manual S 243 13.6752 131 -0.15 50
IV.SMA1.EHZ. 2024-02-03T20:32:48.18 0.3 undecidable manual S 104 12.1767 135 0.09 76
IV.TERO.HHZ. 2024-02-03T20:32:48.29 0.3 undecidable manual P 96 33.9438 103 -0.08 74
IV.RM33.EHZ. 2024-02-03T20:32:48.79 0.3 undecidable manual S 173 16.6722 124 -0.22 74
IV.RM33.EHZ. 2024-02-03T20:32:46.04 1.0 undecidable manual P 173 16.6722 124 0.15 25
IV.NRCA.HHZ. 2024-02-03T20:32:46.68 0.6 undecidable manual P 342 20.4684 117 0.29 48
IV.LNSS.HHZ. 2024-02-03T20:32:45.69 0.1 positive manual P 243 13.6752 131 0.16 100
IV.SMA1.EHZ. 2024-02-03T20:32:45.74 1.0 undecidable manual P 104 12.1767 135 0.38 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:0.8 0.00005575 0.58 AML other m 2024-02-03T20:32:48.63
IV.SMA1.EHE. ML:1.0 0.00007705 0.22 AML other m 2024-02-03T20:32:48.80
IV.LNSS.HHE. ML:0.6 0.000032292019999999996 0.2688 AML other m 2024-02-03T20:32:48.43
IV.LNSS.HHN. ML:0.6 0.000029957640000000002 0.1536 AML other m 2024-02-03T20:32:48.36
IV.LNSS.HNE. ML:1.0 0.00008647382800000001 0.4864 AML other m 2024-02-03T20:32:48.96
IV.LNSS.HNN. ML:1.2 0.00012405216 0.6272 AML other m 2024-02-03T20:32:49.80
IV.NRCA.HNE. ML:1.7 0.00032806204999999997 0.6016 AML other m 2024-02-03T20:32:51.05
IV.NRCA.HNN. ML:1.7 0.00031612365 1.0496 AML other m 2024-02-03T20:32:53.98
IV.NRCA.HHE. ML:0.6 0.000023456625000000003 0.0896 AML other m 2024-02-03T20:32:50.43
IV.NRCA.HHN. ML:0.5 0.000019865248 0.1408 AML other m 2024-02-03T20:32:49.95
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