Earthquake with magnitude of ML 1.1 on date 08-07-2023 and time 14:03:06 (Italy) in region 4 km SW Castignano (AP)

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

  • 08-07-2023 12:03:06 (UTC)
  • 08-07-2023 14:03:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9130, 13.5940 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.

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 4 2796 2796
Rotella AP 5 906 3702
Appignano del Tronto AP 6 1785 5487
Montedinove AP 7 488 5975
Ascoli Piceno AP 7 49407 55382
Montalto delle Marche AP 8 2122 57504
Offida AP 9 5058 62562
Venarotta AP 9 2066 64628
Force AP 10 1354 65982
Folignano AP 11 9241 75223
Castel di Lama AP 11 8634 83857
Palmiano AP 11 196 84053
Roccafluvione AP 11 2010 86063
Castorano AP 11 2380 88443
Cossignano AP 11 978 89421
Maltignano AP 12 2401 91822
Montelparo FM 13 778 92600
Monte Rinaldo FM 13 379 92979
Colli del Tronto AP 13 3668 96647
Ortezzano FM 13 774 97421
Montefalcone Appennino FM 14 424 97845
Sant'Egidio alla Vibrata TE 14 9811 107656
Santa Vittoria in Matenano FM 14 1330 108986
Ancarano TE 15 1857 110843
Spinetoli AP 15 7215 118058
Carassai AP 15 1100 119158
Comunanza AP 15 3166 122324
Monte Vidon Combatte FM 16 433 122757
Smerillo FM 16 365 123122
Monteleone di Fermo FM 16 395 123517
Monsampolo del Tronto AP 16 4611 128128
Montottone FM 17 979 129107
Civitella del Tronto TE 17 5116 134223
Ripatransone AP 17 4309 138532
Monsampietro Morico FM 18 659 139191
Petritoli FM 18 2335 141526
Torano Nuovo TE 18 1611 143137
Monte San Martino MC 18 765 143902
Acquaviva Picena AP 18 3831 147733
Controguerra TE 20 2436 150169
Monteprandone AP 20 12655 162824

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Teramo (54892 inhabitants)
64 Km NW of Montesilvano (53738 inhabitants)
64 Km N of L'Aquila (69753 inhabitants)
71 Km NW of Pescara (121014 inhabitants)
73 Km E of Foligno (57155 inhabitants)
78 Km NW of Chieti (51815 inhabitants)
79 Km S of Ancona (100861 inhabitants)
87 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 1.1 2023-07-08
12:03:06
42.9133 13.5938 11 2023-07-08
12:08:12
Sala Sismica INGV-Roma 119074651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-08 12:03:06 ± 0.13
Latitude 42.9133 ± 0.0072
Longitude 13.5938 ± 0.0147
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119074651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1310
Semi-minor axis of confidence ellipse (meter) 489
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 61
Circular confidence region, given by single value of horizontal uncertainty (meter) 1310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40110
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 119074651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-08 12:08:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2023-07-08T12:03:21.11 0.6 undecidable manual S 289 43.3233 50 0.37 46
IV.CAMP.HHZ. 2023-07-08T12:03:20.90 0.3 undecidable manual S 200 44.5221 50 -0.16 72
IV.SMA1.EHZ. 2023-07-08T12:03:19.62 0.3 undecidable manual S 214 37.7289 50 0.35 70
IV.CSP1.EHZ. 2023-07-08T12:03:19.30 0.3 undecidable manual S 302 37.2294 50 0.17 72
IV.TERO.HHZ. 2023-07-08T12:03:18.06 0.6 undecidable manual S 179 32.2455 50 0.27 48
IV.CAMP.HHZ. 2023-07-08T12:03:17.61 3.0 undecidable manual P 200 44.5221 50 2.62 0
IV.GUMA.HHZ. 2023-07-08T12:03:16.47 0.3 undecidable manual S 308 26.751 50 0.15 74
IV.MML1.EHZ. 2023-07-08T12:03:16.19 3.0 positive manual P -0.23 0
IV.FDMO.HHZ. 2023-07-08T12:03:14.29 0.6 negative manual P 289 43.3233 50 -0.52 44
IV.CSP1.EHZ. 2023-07-08T12:03:13.42 0.6 positive manual P 302 37.2294 50 -0.45 45
IV.SMA1.EHZ. 2023-07-08T12:03:13.62 0.6 negative manual P 214 37.7289 50 -0.33 47
IV.NRCA.HHZ. 2023-07-08T12:03:13.91 3.0 undecidable manual Pn 0.13 0
IV.MF5.EHZ. 2023-07-08T12:03:12.81 0.6 undecidable manual S 307 13.6752 129 0.03 52
IV.GUMA.HHZ. 2023-07-08T12:03:12.08 0.3 positive manual P 308 26.751 50 -0.17 74
IV.OFFI.HHZ. 2023-07-08T12:03:12.52 3.0 undecidable manual S 72 7.881 144 1.14 0
IV.TERO.HHZ. 2023-07-08T12:03:12.77 0.6 negative manual P 179 32.2455 50 -0.33 47
IV.MF5.EHZ. 2023-07-08T12:03:10.09 0.6 undecidable manual P 307 13.6752 129 -0.12 51
IV.OFFI.HHZ. 2023-07-08T12:03:09.65 0.1 negative manual P 72 7.881 144 0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OFFI.HHE. ML:1.4 0.000345 1.46 AML other m 2023-07-08T12:03:12.07
IV.OFFI.HHN. ML:1.3 0.00027800000000000004 0.98 AML other m 2023-07-08T12:03:13.55
IV.GUMA.HHN. ML:1.2 0.00008060000000000001 1.56 AML other m 2023-07-08T12:03:17.85
IV.TERO.HHE. ML:0.8 0.0000291 0.42 AML other m 2023-07-08T12:03:19.22
IV.TERO.HHN. ML:0.8 0.0000248 1 AML other m 2023-07-08T12:03:19.23
IV.GUMA.HHE. ML:1.0 0.000059999999999999995 0.48 AML other m 2023-07-08T12:03:19.97
IV.SMA1.EHE. ML:1.0 0.0000406 0.48 AML other m 2023-07-08T12:03:19.90
IV.SMA1.EHN. ML:1.1 0.000043299999999999995 0.8 AML other m 2023-07-08T12:03:20.78
IV.NRCA.HHN. ML:1.1 0.000039800000000000005 1.3 AML other m 2023-07-08T12:03:21.70
IV.FDMO.HHN. ML:1.0 0.000028699999999999996 0.28 AML other m 2023-07-08T12:03:21.52
IV.FDMO.HHE. ML:1.0 0.00002785 0.74 AML other m 2023-07-08T12:03:21.30
IV.NRCA.HHE. ML:1.2 0.000047600000000000005 0.1 AML other m 2023-07-08T12:03:21.76
IV.MML1.EHN. ML:1.3 0.00005015 0.4 AML other m 2023-07-08T12:03:24.78
IV.MML1.EHE. ML:1.2 0.00003625 0.4 AML other m 2023-07-08T12:03:25.28
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