Earthquake with magnitude of ML 1.2 on date 08-07-2023 and time 18:29:52 (Italy) in region 1 km SE Castignano (AP)

A magnitude ML 1.2 earthquake occured in region: 1 km SE Castignano (AP), on

  • 08-07-2023 16:29:52 (UTC)
  • 08-07-2023 18:29:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9330, 13.6340 at 22 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
Offida AP 5 5058 9639
Montedinove AP 6 488 10127
Rotella AP 6 906 11033
Montalto delle Marche AP 7 2122 13155
Cossignano AP 7 978 14133
Castorano AP 9 2380 16513
Castel di Lama AP 10 8634 25147
Ascoli Piceno AP 10 49407 74554
Colli del Tronto AP 11 3668 78222
Ortezzano FM 11 774 78996
Monte Rinaldo FM 12 379 79375
Carassai AP 12 1100 80475
Maltignano AP 12 2401 82876
Force AP 12 1354 84230
Folignano AP 12 9241 93471
Spinetoli AP 12 7215 100686
Montelparo FM 13 778 101464
Venarotta AP 13 2066 103530
Ripatransone AP 13 4309 107839
Monte Vidon Combatte FM 13 433 108272
Monsampolo del Tronto AP 13 4611 112883
Sant'Egidio alla Vibrata TE 14 9811 122694
Ancarano TE 14 1857 124551
Palmiano AP 15 196 124747
Acquaviva Picena AP 15 3831 128578
Santa Vittoria in Matenano FM 15 1330 129908
Montottone FM 15 979 130887
Roccafluvione AP 15 2010 132897
Petritoli FM 15 2335 135232
Monteleone di Fermo FM 15 395 135627
Montefalcone Appennino FM 16 424 136051
Montefiore dell'Aso AP 16 2123 138174
Monsampietro Morico FM 16 659 138833
Monteprandone AP 17 12655 151488
Torano Nuovo TE 17 1611 153099
Smerillo FM 17 365 153464
Controguerra TE 17 2436 155900
Monte Giberto FM 18 801 156701
Civitella del Tronto TE 18 5116 161817
Comunanza AP 18 3166 164983
Monterubbiano FM 18 2230 167213
Massignano AP 19 1638 168851
Moresco FM 19 598 169449
Ponzano di Fermo FM 19 1674 171123
Monte San Martino MC 19 765 171888
Belmonte Piceno FM 19 646 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)
70 Km NW of Pescara (121014 inhabitants)
76 Km E of Foligno (57155 inhabitants)
77 Km S of Ancona (100861 inhabitants)
78 Km NW of Chieti (51815 inhabitants)
91 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 1.2 2023-07-08
16:29:52
42.9327 13.6343 22 2023-07-08
16:43:50
Sala Sismica INGV-Roma 119086441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-08 16:29:52 ± 0.14
Latitude 42.9327 ± 0.0036
Longitude 13.6343 ± 0.0061
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119086441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 461
Semi-minor axis of confidence ellipse (meter) 368
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41279
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 119086441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-08 16:43:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2023-07-08T16:30:19.40 3.0 undecidable manual S 0.07 0
IV.RCAV.EHZ. 2023-07-08T16:30:14.26 3.0 negative manual P 0.08 0
IV.FDMO.HHZ. 2023-07-08T16:30:07.41 0.3 undecidable manual S 285 45.8208 108 0.08 75
IV.NRCA.HHZ. 2023-07-08T16:30:06.82 0.3 undecidable manual S 256 43.7229 109 0.04 76
IV.SMA1.EHZ. 2023-07-08T16:30:06.09 0.3 undecidable manual S 216 41.4252 111 -0.13 76
IV.CSP1.EHZ. 2023-07-08T16:30:05.81 0.6 undecidable manual S 297 39.0276 112 0.18 50
IV.TERO.HHZ. 2023-07-08T16:30:04.68 0.6 undecidable manual S 184 34.4433 115 0.17 50
IV.SMA1.EHZ. 2023-07-08T16:30:00.20 1.0 positive manual P 216 41.4252 111 -0.07 25
IV.NRCA.HHZ. 2023-07-08T16:30:00.45 1.0 positive manual P 256 43.7229 109 -0.14 25
IV.FDMO.HHZ. 2023-07-08T16:30:00.81 0.1 undecidable manual P 285 45.8208 108 -0.1 100
IV.OFFI.HHZ. 2023-07-08T16:29:59.10 0.3 undecidable manual S 86 4.1958 168 -0.01 82
IV.TERO.HHZ. 2023-07-08T16:29:59.35 1.0 undecidable manual P 184 34.4433 115 0.07 26
IV.CSP1.EHZ. 2023-07-08T16:29:59.92 0.6 negative manual P 297 39.0276 112 -0.01 52
IV.OFFI.HHZ. 2023-07-08T16:29:56.24 0.3 undecidable manual P 86 4.1958 168 0.07 82
IV.MF5.EHZ. 2023-07-08T16:29:56.61 1.0 undecidable manual P 293 15.4734 141 -0.32 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OFFI.HHE. ML:1.7 0.0003297773 0.2432 AML other m 2023-07-08T16:29:59.65
IV.OFFI.HHN. ML:1.5 0.0002505 1.52 AML other m 2023-07-08T16:29:59.14
IV.MML1.EHN. ML:1.4 0.000043676315 0.2048 AML other m 2023-07-08T16:30:11.48
IV.MML1.EHE. ML:1.2 0.000029400000000000003 0.6 AML other m 2023-07-08T16:30:12.30
IV.MF5.EHE. ML:1.0 0.000061221495 0.2688 AML other m 2023-07-08T16:30:00.33
IV.MF5.EHN. ML:1.4 0.00015177990000000003 0.2176 AML other m 2023-07-08T16:29:59.94
IV.TERO.HHE. ML:0.6 0.000014054505 0.064 AML other m 2023-07-08T16:30:05.25
IV.TERO.HHN. ML:0.9 0.000023471435 0.0512 AML other m 2023-07-08T16:30:05.48
IV.CSP1.EHE. ML:1.1 0.000039664638000000004 0.1536 AML other m 2023-07-08T16:30:06.73
IV.CSP1.EHN. ML:1.2 0.000046545755 0.192 AML other m 2023-07-08T16:30:06.32
IV.SMA1.EHE. ML:1.0 0.00002980106 0.2688 AML other m 2023-07-08T16:30:06.18
IV.SMA1.EHN. ML:1.4 0.000065060605 0.2048 AML other m 2023-07-08T16:30:06.39
IV.NRCA.HHE. ML:0.0 0.00003526179 0.1664 AML other m 2023-07-08T16:30:07.21
IV.NRCA.HHN. ML:0.0 0.000048168249999999994 0.1024 AML other m 2023-07-08T16:30:07.73
IV.NRCA.HNN. ML:0.0 0.00024396315 0.2304 AML other m 2023-07-08T16:30:04.60
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