Earthquake with magnitude of ML 0.9 on date 08-07-2023 and time 07:31:08 (Italy) in region 1 km S Castignano (AP)

A magnitude ML 0.9 earthquake occured in region: 1 km S Castignano (AP), on

  • 08-07-2023 05:31:08 (UTC)
  • 08-07-2023 07:31:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9290, 13.6250 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
Castignano AP 1 2796 2796
Appignano del Tronto AP 5 1785 4581
Montedinove AP 6 488 5069
Offida AP 6 5058 10127
Rotella AP 6 906 11033
Montalto delle Marche AP 7 2122 13155
Cossignano AP 8 978 14133
Castorano AP 9 2380 16513
Ascoli Piceno AP 9 49407 65920
Castel di Lama AP 10 8634 74554
Colli del Tronto AP 12 3668 78222
Force AP 12 1354 79576
Ortezzano FM 12 774 80350
Monte Rinaldo FM 12 379 80729
Folignano AP 12 9241 89970
Venarotta AP 12 2066 92036
Maltignano AP 12 2401 94437
Montelparo FM 12 778 95215
Carassai AP 13 1100 96315
Spinetoli AP 13 7215 103530
Monte Vidon Combatte FM 14 433 103963
Sant'Egidio alla Vibrata TE 14 9811 113774
Ripatransone AP 14 4309 118083
Palmiano AP 14 196 118279
Ancarano TE 14 1857 120136
Monsampolo del Tronto AP 14 4611 124747
Roccafluvione AP 14 2010 126757
Santa Vittoria in Matenano FM 15 1330 128087
Montefalcone Appennino FM 15 424 128511
Montottone FM 15 979 129490
Monteleone di Fermo FM 15 395 129885
Acquaviva Picena AP 16 3831 133716
Petritoli FM 16 2335 136051
Monsampietro Morico FM 17 659 136710
Smerillo FM 17 365 137075
Torano Nuovo TE 17 1611 138686
Monteprandone AP 17 12655 151341
Montefiore dell'Aso AP 17 2123 153464
Comunanza AP 17 3166 156630
Civitella del Tronto TE 18 5116 161746
Controguerra TE 18 2436 164182
Monte Giberto FM 18 801 164983
Monte San Martino MC 19 765 165748
Monterubbiano FM 19 2230 167978
Ponzano di Fermo FM 20 1674 169652
Belmonte Piceno FM 20 646 170298
Moresco FM 20 598 170896
Massignano AP 20 1638 172534
Nereto TE 20 5242 177776

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)
90 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 0.9 2023-07-08
05:31:08
42.929 13.6253 19 2023-07-08
05:39:35
Sala Sismica INGV-Roma 119067071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-08 05:31:08 ± 0.24
Latitude 42.9290 ± 0.0081
Longitude 13.6253 ± 0.0123
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 119067071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 831
Semi-minor axis of confidence ellipse (meter) 814
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 830.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40739
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 119067071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-08 05:39:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GRAM.HHZ. 2023-07-08T05:32:42.00 3.0 undecidable manual Sg 4.74 0
IV.PTRP.HHZ. 2023-07-08T05:32:40.13 3.0 undecidable manual Sg 1.82 0
CH.DAVOX.HHZ. 2023-07-08T05:32:33.13 3.0 negative manual Pg 10.14 0
GU.MGRO.HHZ. 2023-07-08T05:32:33.28 3.0 undecidable manual Pg 15.56 0
IV.MCRV.HHZ. 2023-07-08T05:32:29.44 3.0 undecidable manual Sg 5.87 0
IV.RSM2.HHZ. 2023-07-08T05:31:54.23 3.0 undecidable manual S -2.68 0
IV.PAOL.HHZ. 2023-07-08T05:31:47.61 3.0 negative manual Pg 1.75 0
IV.MCRV.HHZ. 2023-07-08T05:31:47.47 3.0 undecidable manual Pn -4.28 0
IV.MURB.HHZ. 2023-07-08T05:31:25.76 3.0 undecidable manual P -2.58 0
IV.CSP1.EHZ. 2023-07-08T05:31:21.29 0.3 undecidable manual S 298 38.628 106 0.15 95
IV.TERO.HHZ. 2023-07-08T05:31:20.31 0.3 undecidable manual S 183 34.0437 109 0.34 94
IV.MTRA.EHZ. 2023-07-08T05:31:18.01 0.3 undecidable manual S 224 26.6511 115 -0.14 97
7F.SIB2.EHZ. 2023-07-08T05:31:18.02 0.3 undecidable manual S 261 26.4513 115 -0.08 99
IV.GUMA.HHZ. 2023-07-08T05:31:18.70 3.0 undecidable manual S -1.74 0
IV.FDMO.HHZ. 2023-07-08T05:31:16.94 0.3 undecidable manual P 285 45.2214 103 0.31 91
IV.CSP1.EHZ. 2023-07-08T05:31:15.68 0.3 undecidable manual P 298 38.628 106 0.05 97
IV.SMA1.EHZ. 2023-07-08T05:31:15.71 0.3 undecidable manual P 216 40.626 105 -0.23 94
IV.NRCA.HHZ. 2023-07-08T05:31:15.88 0.3 undecidable manual P 256 42.8238 104 -0.39 91
IV.MF5.EHZ. 2023-07-08T05:31:15.35 0.3 undecidable manual S 296 14.9739 134 -0.2 99
IV.OFFI.HHZ. 2023-07-08T05:31:14.50 0.3 undecidable manual S 82 4.995 163 0.37 98
IV.TERO.HHZ. 2023-07-08T05:31:14.86 0.3 undecidable manual P 183 34.0437 109 -0.1 97
IV.MTRA.EHZ. 2023-07-08T05:31:14.29 0.3 undecidable manual P 224 26.6511 115 0.38 94
7F.SIB2.EHZ. 2023-07-08T05:31:14.21 0.3 undecidable manual P 261 26.4513 115 0.34 94
IV.MF5.EHZ. 2023-07-08T05:31:12.23 0.3 undecidable manual P 296 14.9739 134 -0.17 100
IV.OFFI.HHZ. 2023-07-08T05:31:10.89 0.3 undecidable manual P 82 4.995 163 -0.69 87
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OFFI.HHE. ML:1.3 0.0001625 0.48 AML other m 2023-07-08T05:31:15.75
IV.OFFI.HHN. ML:1.4 0.000246 0.28 AML other m 2023-07-08T05:31:15.65
IV.NRCA.HHN. ML:0.9 0.000026 0.12 AML other m 2023-07-08T05:31:23.19
IV.NRCA.HHE. ML:0.8 0.0000207 1.14 AML other m 2023-07-08T05:31:23.32
IV.TERO.HHE. ML:0.6 0.000016358695 0.1216 AML other m 2023-07-08T05:31:21.48
IV.TERO.HHN. ML:0.7 0.000018895755 0.2816 AML other m 2023-07-08T05:31:20.70
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