Earthquake with magnitude of ML 1.4 on date 11-01-2023 and time 12:31:42 (Italy) in region 2 km S Castignano (AP)

A magnitude ML 1.4 earthquake occured in region: 2 km S Castignano (AP), on

  • 11-01-2023 11:31:42 (UTC)
  • 11-01-2023 12:31:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9240, 13.6220 at 20 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
Castignano AP 2 2796 2796
Appignano del Tronto AP 5 1785 4581
Offida AP 6 5058 9639
Rotella AP 6 906 10545
Montedinove AP 6 488 11033
Montalto delle Marche AP 7 2122 13155
Ascoli Piceno AP 9 49407 62562
Cossignano AP 9 978 63540
Castorano AP 9 2380 65920
Castel di Lama AP 10 8634 74554
Folignano AP 11 9241 83795
Venarotta AP 12 2066 85861
Force AP 12 1354 87215
Colli del Tronto AP 12 3668 90883
Maltignano AP 12 2401 93284
Ortezzano FM 12 774 94058
Monte Rinaldo FM 12 379 94437
Montelparo FM 13 778 95215
Spinetoli AP 13 7215 102430
Carassai AP 13 1100 103530
Sant'Egidio alla Vibrata TE 13 9811 113341
Palmiano AP 14 196 113537
Roccafluvione AP 14 2010 115547
Ancarano TE 14 1857 117404
Monte Vidon Combatte FM 14 433 117837
Monsampolo del Tronto AP 14 4611 122448
Ripatransone AP 14 4309 126757
Santa Vittoria in Matenano FM 15 1330 128087
Montefalcone Appennino FM 15 424 128511
Montottone FM 16 979 129490
Monteleone di Fermo FM 16 395 129885
Acquaviva Picena AP 16 3831 133716
Petritoli FM 16 2335 136051
Torano Nuovo TE 17 1611 137662
Monsampietro Morico FM 17 659 138321
Smerillo FM 17 365 138686
Civitella del Tronto TE 17 5116 143802
Comunanza AP 17 3166 146968
Monteprandone AP 18 12655 159623
Montefiore dell'Aso AP 18 2123 161746
Controguerra TE 18 2436 164182
Monte Giberto FM 19 801 164983
Monte San Martino MC 19 765 165748
Monterubbiano FM 20 2230 167978
Nereto TE 20 5242 173220
Belmonte Piceno FM 20 646 173866

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of Teramo (54892 inhabitants)
63 Km NW of Montesilvano (53738 inhabitants)
66 Km N of L'Aquila (69753 inhabitants)
70 Km NW of Pescara (121014 inhabitants)
75 Km E of Foligno (57155 inhabitants)
78 Km S of Ancona (100861 inhabitants)
78 Km NW of Chieti (51815 inhabitants)
89 Km E of Terni (111501 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 1.4 2023-01-11
11:31:42
42.924 13.6222 21 2023-01-11
11:39:12
Sala Sismica INGV-Roma 113470781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-11 11:31:42 ± 0.16
Latitude 42.9240 ± 0.0072
Longitude 13.6222 ± 0.0086
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113470781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 763
Semi-minor axis of confidence ellipse (meter) 565
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 165
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.04766
Epicentral distance of station farthest from the epicenter (degree) 0.55488
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 113470781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-11 11:39:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2023-01-11T11:31:57.27 0.1 undecidable manual S 286 45.1215 106 0.16 91
IV.NRCA.HHZ. 2023-01-11T11:31:56.65 0.1 undecidable manual S 257 42.5241 107 0.23 89
IV.SMA1.EHZ. 2023-01-11T11:31:55.82 0.1 undecidable manual S 216 40.0266 108 0.01 93
IV.CSP1.EHZ. 2023-01-11T11:31:55.56 0.1 undecidable manual S 299 38.628 109 0.11 93
IV.EL6.EHZ. 2023-01-11T11:31:53.19 1.0 undecidable manual P 317 61.5939 101 -0.1 22
IV.FDMO.HHZ. 2023-01-11T11:31:50.58 0.1 undecidable manual P 286 45.1215 106 -0.24 89
IV.NRCA.HHZ. 2023-01-11T11:31:50.36 0.6 positive manual P 257 42.5241 107 -0.07 46
IV.CSP1.EHZ. 2023-01-11T11:31:49.88 1.0 undecidable manual P 299 38.628 109 0.02 24
IV.MC2.EHZ. 2023-01-11T11:31:49.28 0.6 negative manual P 268 35.2425 112 -0.09 47
IV.MF5.EHZ. 2023-01-11T11:31:49.59 0.3 undecidable manual S 298 14.9739 138 -0.49 67
IV.SMA1.EHZ. 2023-01-11T11:31:49.70 1.0 undecidable manual P 216 40.0266 108 -0.37 22
IV.OFFI.HHZ. 2023-01-11T11:31:48.89 0.1 undecidable manual S 77 5.2947 163 0.09 97
IV.TERO.HHZ. 2023-01-11T11:31:48.72 1.0 undecidable manual P 183 33.4443 113 -0.4 22
IV.MNTT.EHZ. 2023-01-11T11:31:47.41 0.3 undecidable manual P 352 15.4734 137 0.6 64
IV.MMO1.EHZ. 2023-01-11T11:31:47.53 1.0 undecidable manual P 264 24.1536 123 -0.31 23
IV.MF5.EHZ. 2023-01-11T11:31:46.53 0.6 undecidable manual P 298 14.9739 138 -0.23 47
IV.OFFI.HHZ. 2023-01-11T11:31:46.01 0.1 positive manual P 77 5.2947 163 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OFFI.HHN. ML:1.6 0.0003435 1.34 AML other m 2023-01-11T11:31:48.98
IV.OFFI.HHE. ML:1.5 0.000261 1.08 AML other m 2023-01-11T11:31:50.03
IV.CSP1.EHN. ML:1.4 0.0000897 0.42 AML other m 2023-01-11T11:31:56.37
IV.NRCA.HHN. ML:1.1 0.000039599999999999994 1.38 AML other m 2023-01-11T11:31:57.22
IV.NRCA.HHE. ML:1.1 0.0000343 1.32 AML other m 2023-01-11T11:31:58.21
IV.CSP1.EHE. ML:1.5 0.0000936 1.5 AML other m 2023-01-11T11:31:59.13
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