Earthquake with magnitude of ML 1.1 on date 18-01-2024 and time 21:01:44 (Italy) in region 4 km W Roccafluvione (AP)

A magnitude ML 1.1 earthquake occured in region: 4 km W Roccafluvione (AP), on

  • 18-01-2024 20:01:44 (UTC)
  • 18-01-2024 21:01:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8530, 13.4340 at 19 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Roccafluvione AP 4 2010 2010
Palmiano AP 6 196 2206
Venarotta AP 6 2066 4272
Montegallo AP 8 523 4795
Acquasanta Terme AP 9 2916 7711
Montemonaco AP 10 604 8315
Ascoli Piceno AP 12 49407 57722
Comunanza AP 12 3166 60888
Montefortino FM 13 1178 62066
Force AP 13 1354 63420
Valle Castellana TE 14 977 64397
Arquata del Tronto AP 14 1178 65575
Montefalcone Appennino FM 15 424 65999
Rotella AP 15 906 66905
Amandola FM 16 3629 70534
Folignano AP 17 9241 79775
Smerillo FM 17 365 80140
Castignano AP 18 2796 82936
Montedinove AP 18 488 83424
Santa Vittoria in Matenano FM 19 1330 84754
Appignano del Tronto AP 20 1785 86539
Monte San Martino MC 20 765 87304
Rocca Santa Maria TE 20 537 87841

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of Teramo (54892 inhabitants)
56 Km N of L'Aquila (69753 inhabitants)
61 Km E of Foligno (57155 inhabitants)
70 Km NW of Montesilvano (53738 inhabitants)
72 Km E of Terni (111501 inhabitants)
77 Km NW of Pescara (121014 inhabitants)
82 Km NW of Chieti (51815 inhabitants)
85 Km S of Ancona (100861 inhabitants)
90 Km E 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 1.1 2024-01-18
20:01:44
42.853 13.4343 19 2024-01-18
20:10:10
Sala Sismica INGV-Roma 124733511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-18 20:01:44 ± 0.1
Latitude 42.8530 ± 0.0027
Longitude 13.4343 ± 0.0061
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124733511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 468
Semi-minor axis of confidence ellipse (meter) 71
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 83
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42718
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 124733511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-18 20:10:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFI.HHZ. 2024-01-18T20:02:22.65 3.0 undecidable manual S -0.23 0
IV.FRON.EHZ. 2024-01-18T20:02:14.98 3.0 undecidable manual S 0.26 0
IV.RM33.EHZ. 2024-01-18T20:01:59.37 0.6 undecidable manual S 205 42.1245 105 0.38 44
IV.FDMO.HHZ. 2024-01-18T20:01:57.19 0.6 undecidable manual S 306 34.743 110 0.09 48
IV.TERO.HHZ. 2024-01-18T20:01:55.59 0.6 undecidable manual S 152 29.0487 115 -0.09 48
IV.SMA1.EHZ. 2024-01-18T20:01:55.14 0.6 undecidable manual S 198 25.9518 118 0.19 48
IV.NRCA.HHZ. 2024-01-18T20:01:55.41 0.6 undecidable manual S 265 26.1516 118 0.42 45
IV.GUMA.HHZ. 2024-01-18T20:01:54.94 0.6 undecidable manual S 341 24.6531 120 0.3 46
IV.RM33.EHZ. 2024-01-18T20:01:53.05 0.1 undecidable manual P 205 42.1245 105 -0.01 95
IV.MML1.EHZ. 2024-01-18T20:01:53.72 0.1 undecidable manual P 308 47.4192 103 -0.12 93
IV.MF5.EHZ. 2024-01-18T20:01:52.78 0.6 undecidable manual S 8 15.0738 136 0.17 49
IV.MTRA.EHZ. 2024-01-18T20:01:51.85 0.6 undecidable manual S 196 11.0778 145 -0.08 49
IV.FDMO.HHZ. 2024-01-18T20:01:51.76 0.6 negative manual P 306 34.743 110 -0.22 47
IV.MMO1.EHZ. 2024-01-18T20:01:51.60 0.6 undecidable manual S 301 10.1787 148 -0.19 49
IV.GUMA.HHZ. 2024-01-18T20:01:50.54 0.1 undecidable manual P 341 24.6531 120 -0.01 99
IV.OFFI.HHE. 2024-01-18T20:01:50.47 0.1 undecidable manual P 66 22.3554 123 0.22 95
IV.NRCA.HHZ. 2024-01-18T20:01:50.73 0.1 undecidable manual P 265 26.1516 118 -0.03 98
IV.TERO.HHZ. 2024-01-18T20:01:50.89 0.6 undecidable manual P 152 29.0487 115 -0.27 46
IV.SMA1.EHZ. 2024-01-18T20:01:50.69 0.1 undecidable manual P 198 25.9518 118 -0.04 98
IV.MF5.EHZ. 2024-01-18T20:01:49.35 0.1 undecidable manual P 8 15.0738 136 -0.03 100
IV.MMO1.EHZ. 2024-01-18T20:01:48.72 0.1 undecidable manual P 301 10.1787 148 -0.19 97
IV.MTRA.EHZ. 2024-01-18T20:01:48.88 0.1 undecidable manual P 196 11.0778 145 -0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.8 0.00027150000000000004 0.2 AML other m 2024-01-18T20:01:55.63
IV.NRCA.HHE. ML:1.5 0.000144 0.08 AML other m 2024-01-18T20:01:55.81
IV.MMO1.EHE. ML:0.8 0.00004304454 0.1024 AML other m 2024-01-18T20:01:52.18
IV.MMO1.EHN. ML:0.9 0.00006623352000000001 0.1024 AML other m 2024-01-18T20:01:51.69
IV.TERO.HHE. ML:1.2 0.000063578095 0.064 AML other m 2024-01-18T20:01:55.88
IV.FDMO.HHE. ML:0.9 0.00003227933 0.2432 AML other m 2024-01-18T20:01:57.46
IV.FDMO.HHN. ML:1.0 0.00003789519 0.1408 AML other m 2024-01-18T20:01:57.93
IV.RM33.EHE. ML:1.1 0.0000408343875 0.96 AML other m 2024-01-18T20:01:59.94
IV.RM33.EHN. ML:1.0 0.000028596089999999998 0.32 AML other m 2024-01-18T20:02:00.12
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