Earthquake with magnitude of ML 0.4 on date 25-12-2022 and time 06:48:12 (UTC) in region 1 km S Castignano (AP)

A magnitude ML 0.4 earthquake occured in region: 1 km S Castignano (AP), on

  • 25-12-2022 06:48:12 (UTC)
  • 25-12-2022 07:48:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9300, 13.6200 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 1 2796 2796
Appignano del Tronto AP 5 1785 4581
Montedinove AP 5 488 5069
Rotella AP 6 906 5975
Offida AP 6 5058 11033
Montalto delle Marche AP 7 2122 13155
Cossignano AP 8 978 14133
Ascoli Piceno AP 9 49407 63540
Castorano AP 10 2380 65920
Castel di Lama AP 10 8634 74554
Force AP 11 1354 75908
Monte Rinaldo FM 11 379 76287
Ortezzano FM 11 774 77061
Venarotta AP 12 2066 79127
Montelparo FM 12 778 79905
Colli del Tronto AP 12 3668 83573
Folignano AP 12 9241 92814
Maltignano AP 12 2401 95215
Carassai AP 13 1100 96315
Spinetoli AP 13 7215 103530
Monte Vidon Combatte FM 13 433 103963
Palmiano AP 14 196 104159
Sant'Egidio alla Vibrata TE 14 9811 113970
Roccafluvione AP 14 2010 115980
Ripatransone AP 14 4309 120289
Santa Vittoria in Matenano FM 14 1330 121619
Ancarano TE 14 1857 123476
Monsampolo del Tronto AP 14 4611 128087
Montefalcone Appennino FM 15 424 128511
Montottone FM 15 979 129490
Monteleone di Fermo FM 15 395 129885
Petritoli FM 16 2335 132220
Acquaviva Picena AP 16 3831 136051
Monsampietro Morico FM 16 659 136710
Smerillo FM 16 365 137075
Comunanza AP 17 3166 140241
Montefiore dell'Aso AP 17 2123 142364
Torano Nuovo TE 18 1611 143975
Monteprandone AP 18 12655 156630
Civitella del Tronto TE 18 5116 161746
Monte Giberto FM 18 801 162547
Controguerra TE 18 2436 164983
Monte San Martino MC 19 765 165748
Monterubbiano FM 19 2230 167978
Belmonte Piceno FM 19 646 168624
Ponzano di Fermo FM 19 1674 170298
Servigliano FM 20 2336 172634
Moresco FM 20 598 173232
Massignano AP 20 1638 174870

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km N of Teramo (54892 inhabitants)
63 Km NW of Montesilvano (53738 inhabitants)
67 Km N of L'Aquila (69753 inhabitants)
71 Km NW of Pescara (121014 inhabitants)
75 Km E of Foligno (57155 inhabitants)
77 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 0.4 2022-12-25
06:48:12
42.9305 13.6202 20 2022-12-25
07:03:57
Sala Sismica INGV-Roma 113071141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-25 06:48:12 ± 0.24
Latitude 42.9305 ± 0.0072
Longitude 13.6202 ± 0.0123
Depth (km) 20 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113071141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1005
Semi-minor axis of confidence ellipse (meter) 672
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 59
Circular confidence region, given by single value of horizontal uncertainty (meter) 1010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
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) 0.38311
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.0
Num. used stations 1
Type of magnitude ML
Reference to an origin 113071141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-25 07:03:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HNZ. 2022-12-25T06:48:32.97 3.0 undecidable manual P 2.54 0
IV.NRCA.HHZ. 2022-12-25T06:48:27.27 0.6 undecidable manual S 256 42.5241 106 0.27 45
IV.CSP1.EHZ. 2022-12-25T06:48:26.23 1.0 undecidable manual S 298 38.1285 108 0.34 22
IV.TERO.HHZ. 2022-12-25T06:48:24.85 0.6 undecidable manual S 182 34.1436 111 -0.04 46
IV.NRCA.HHZ. 2022-12-25T06:48:21.01 0.6 positive manual P 256 42.5241 106 -0.02 47
IV.MF5.EHZ. 2022-12-25T06:48:20.16 0.6 undecidable manual S 296 14.4744 138 -0.33 46
IV.CSP1.EHZ. 2022-12-25T06:48:20.42 0.1 undecidable manual P 298 38.1285 108 0.03 93
IV.TERO.HHZ. 2022-12-25T06:48:19.74 0.3 undecidable manual P 182 34.1436 111 -0.07 70
IV.OFFI.HHZ. 2022-12-25T06:48:19.49 0.6 undecidable manual S 85 5.3946 163 0.23 48
IV.MF5.EHZ. 2022-12-25T06:48:16.97 1.0 undecidable manual P 296 14.4744 138 -0.29 23
IV.OFFI.HHZ. 2022-12-25T06:48:16.55 0.1 undecidable manual P 85 5.3946 163 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHE. ML:0.4 0.00000800066 0.1792 AML other m 2022-12-25T06:48:26.07
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