Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 11-01-2024 and time 17:11:03 (Italy) in region 4 km S Arquata del Tronto (AP)

A magnitude ML 0.9 earthquake occured in region: 4 km S Arquata del Tronto (AP), on

  • 11-01-2024 16:11:03 (UTC)
  • 11-01-2024 17:11:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7400, 13.2980 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
Arquata del Tronto AP 4 1178 1178
Accumoli RI 6 667 1845
Acquasanta Terme AP 10 2916 4761
Montegallo AP 12 523 5284
Amatrice RI 12 2657 7941
Valle Castellana TE 16 977 8918
Cittareale RI 18 482 9400
Norcia PG 18 4957 14357
Montemonaco AP 18 604 14961
Rocca Santa Maria TE 20 537 15498
Roccafluvione AP 20 2010 17508

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km W of Teramo (54892 inhabitants)
44 Km N of L'Aquila (69753 inhabitants)
54 Km E of Foligno (57155 inhabitants)
57 Km E of Terni (111501 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
81 Km W of Pescara (121014 inhabitants)
83 Km NW of Chieti (51815 inhabitants)
85 Km E of Perugia (166134 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km NE of Tivoli (56533 inhabitants)
99 Km S of Ancona (100861 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 2024-01-11
16:11:03		 42.7402 13.2977 11 2024-01-11
16:21:10		 Sala Sismica INGV-Roma 124582451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-11 16:11:03 ± 0.03
Latitude 42.7402 ± 0.0018
Longitude 13.2977 ± 0.0024
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124582451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 280
Semi-minor axis of confidence ellipse (meter) 130
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 234
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.07464
Epicentral distance of station farthest from the epicenter (degree) 0.39120
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 124582451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-11 16:21:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAMP.HHZ. 2024-01-11T16:11:12.81 0.3 undecidable manual S 158 24.4533 90 -0.03 75
IV.GIGS.HHZ. 2024-01-11T16:11:11.24 0.6 undecidable manual P 145 38.9277 90 -0.05 49
7F.SIB1.EHZ. 2024-01-11T16:11:11.12 0.3 undecidable manual S 353 17.2716 90 0.19 74
IV.MMO1.EHZ. 2024-01-11T16:11:11.02 0.3 undecidable manual S 8 17.7711 90 -0.05 75
IV.CSP1.EHZ. 2024-01-11T16:11:11.21 1.0 negative manual P 349 39.7269 90 -0.19 24
IV.CESI.HHZ. 2024-01-11T16:11:11.89 0.3 negative manual P 313 43.4232 90 -0.07 72
IV.FDMO.HHZ. 2024-01-11T16:11:10.86 0.6 negative manual P 333 37.0296 90 -0.13 48
IV.SMA1.EHZ. 2024-01-11T16:11:09.51 0.3 undecidable manual S 166 12.5763 103 -0.16 75
IV.RM33.HNZ. 2024-01-11T16:11:09.58 0.6 undecidable manual P 195 26.5512 90 0.21 48
IV.TERO.HHZ. 2024-01-11T16:11:09.54 0.6 negative manual P 117 28.1496 90 -0.08 49
IV.CAMP.HHZ. 2024-01-11T16:11:09.05 0.6 positive manual P 158 24.4533 90 0.01 50
IV.LNSS.HHZ. 2024-01-11T16:11:09.20 0.3 positive manual P 234 25.9518 90 -0.08 75
IV.MTRA.HNZ. 2024-01-11T16:11:08.62 0.3 undecidable manual S 77 8.2806 129 -0.04 76
7F.SIB1.EHZ. 2024-01-11T16:11:08.07 0.3 undecidable manual P 353 17.2716 90 0.13 75
IV.MC2.EHZ. 2024-01-11T16:11:08.55 0.6 undecidable manual P 335 20.9679 90 0.05 50
IV.SMA1.EHZ. 2024-01-11T16:11:07.33 0.1 negative manual P 166 12.5763 103 0.11 100
IV.MMO1.EHZ. 2024-01-11T16:11:07.89 0.6 undecidable manual P 8 17.7711 90 -0.13 49
7F.SIB2.EHZ. 2024-01-11T16:11:07.82 0.3 undecidable manual P 2 16.7721 90 -0.04 76
IV.NRCA.HHZ. 2024-01-11T16:11:07.95 0.1 negative manual P 305 18.1707 90 -0.13 100
7F.SIB3.EHZ. 2024-01-11T16:11:07.68 0.6 undecidable manual P 351 15.1737 90 0.07 51
IV.MTRA.HNZ. 2024-01-11T16:11:06.84 0.3 undecidable manual P 77 8.2806 129 0.21 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:0.7 0.000054058379999999996 0.0768 AML other m 2024-01-11T16:11:10.28
IV.SMA1.EHE. ML:0.9 0.00007924603 0.1536 AML other m 2024-01-11T16:11:09.79
IV.CAMP.HHE. ML:1.0 0.00005815125 0.2048 AML other m 2024-01-11T16:11:12.89
IV.CAMP.HHN. ML:0.9 0.00004918048499999999 0.3712 AML other m 2024-01-11T16:11:12.99
IV.LNSS.HNE. ML:1.5 0.00017125692 1.152 AML other m 2024-01-11T16:11:22.14
IV.LNSS.HNN. ML:1.5 0.000167799485 0.704 AML other m 2024-01-11T16:11:22.17
IV.LNSS.HHE. ML:0.6 0.0000239881825 0.704 AML other m 2024-01-11T16:11:23.58
IV.LNSS.HHN. ML:0.8 0.000034942595 1.1008 AML other m 2024-01-11T16:11:09.29
IV.TERO.HHE. ML:0.8 0.000027998640000000003 0.0896 AML other m 2024-01-11T16:11:14.43
IV.TERO.HHN. ML:0.3 0.0000080805805 1.2544 AML other m 2024-01-11T16:11:11.75
IV.TERO.HNE. ML:1.4 0.0001219822 0.9088 AML other m 2024-01-11T16:11:18.37
IV.TERO.HNN. ML:1.1 0.00006882910000000001 0.3968 AML other m 2024-01-11T16:11:15.46
IV.FDMO.HHE. ML:0.6 0.0000141737295 0.2304 AML other m 2024-01-11T16:11:17.20
IV.FDMO.HHN. ML:0.8 0.00002300608 0.2944 AML other m 2024-01-11T16:11:16.48
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