Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 02-01-2024 and time 13:50:29 (UTC) in region 5 km NE Cittareale (RI)

A magnitude ML 1.1 earthquake occured in region: 5 km NE Cittareale (RI), on

  • 02-01-2024 13:50:29 (UTC)
  • 02-01-2024 14:50:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6570, 13.1790 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.

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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 7 667 1149
Amatrice RI 10 2657 3806
Cascia PG 15 3217 7023
Montereale AQ 16 2581 9604
Posta RI 16 694 10298
Arquata del Tronto AP 16 1178 11476
Borbona RI 16 617 12093
Norcia PG 17 4957 17050
Capitignano AQ 18 665 17715
Monteleone di Spoleto PG 19 599 18314
Campotosto AQ 19 542 18856

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of L'Aquila (69753 inhabitants)
43 Km W of Teramo (54892 inhabitants)
45 Km E of Terni (111501 inhabitants)
51 Km SE of Foligno (57155 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
82 Km SE of Perugia (166134 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
87 Km W of Pescara (121014 inhabitants)
88 Km W of Chieti (51815 inhabitants)
92 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 1.1 2024-01-02
13:50:29		 42.6572 13.179 14 2024-01-02
13:58:34		 Sala Sismica INGV-Roma 124420691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-02 13:50:29 ± 0.15
Latitude 42.6572 ± 0.0063
Longitude 13.1790 ± 0.0073
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124420691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 591
Semi-minor axis of confidence ellipse (meter) 442
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 75
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31386
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 124420691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-02 13:58:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2024-01-02T13:50:40.84 0.3 undecidable manual S 96 34.8429 97 -0.31 69
IV.ATFO.HHZ. 2024-01-02T13:50:39.97 3.0 undecidable manual P -0.07 0
7F.SIB1.EHE. 2024-01-02T13:50:39.28 0.6 undecidable manual S 16 27.3504 101 0.12 50
IV.MC2.EHZ. 2024-01-02T13:50:39.74 0.6 undecidable manual S 2 28.2495 100 0.35 47
IV.NRCA.HHZ. 2024-01-02T13:50:36.78 0.6 undecidable manual S 345 20.2686 108 -0.55 44
IV.TERO.HHZ. 2024-01-02T13:50:36.07 1.0 undecidable manual P 96 34.8429 97 -0.08 24
IV.RM33.EHZ. 2024-01-02T13:50:36.47 0.6 undecidable manual S 170 16.6722 115 0.04 50
IV.LNSS.HHZ. 2024-01-02T13:50:35.53 0.6 undecidable manual S 242 12.7761 125 -0.01 51
IV.SMA1.EHZ. 2024-01-02T13:50:35.78 0.3 undecidable manual S 103 13.0758 124 0.18 74
7F.SIB1.EHE. 2024-01-02T13:50:35.09 0.1 undecidable manual P 16 27.3504 101 0.08 100
IV.MC2.EHZ. 2024-01-02T13:50:35.27 0.1 undecidable manual P 2 28.2495 100 0.13 99
IV.SMA1.EHZ. 2024-01-02T13:50:33.26 1.0 undecidable manual P 103 13.0758 124 0.31 24
IV.RM33.EHZ. 2024-01-02T13:50:33.49 1.0 undecidable manual P 170 16.6722 115 0.06 25
IV.NRCA.HHZ. 2024-01-02T13:50:33.85 0.1 positive manual P 345 20.2686 108 -0.1 98
IV.LNSS.HHZ. 2024-01-02T13:50:32.53 1.0 undecidable manual P 242 12.7761 125 -0.39 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:0.9 0.00007455000000000001 0.2 AML other m 2024-01-02T13:50:35.69
IV.LNSS.HHE. ML:1.1 0.00010395 0.12 AML other m 2024-01-02T13:50:35.66
IV.SMA1.EHN. ML:1.2 0.0001585 0.3 AML other m 2024-01-02T13:50:36.28
IV.SMA1.EHE. ML:0.8 0.000059300000000000005 0.78 AML other m 2024-01-02T13:50:36.81
IV.NRCA.HHN. ML:1.2 0.00009554999999999999 0.08 AML other m 2024-01-02T13:50:37.05
IV.NRCA.HHE. ML:1.3 0.000127 0.68 AML other m 2024-01-02T13:50:37.20
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