Earthquake with magnitude of ML 1.6 on date 07-07-2023 and time 16:20:31 (Italy) in region 2 km SE Castignano (AP)

A magnitude ML 1.6 earthquake occured in region: 2 km SE Castignano (AP), on

  • 07-07-2023 14:20:31 (UTC)
  • 07-07-2023 16:20:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9270, 13.6330 at 23 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 4 1785 4581
Offida AP 5 5058 9639
Montedinove AP 6 488 10127
Rotella AP 7 906 11033
Montalto delle Marche AP 7 2122 13155
Cossignano AP 8 978 14133
Castorano AP 8 2380 16513
Castel di Lama AP 9 8634 25147
Ascoli Piceno AP 9 49407 74554
Colli del Tronto AP 11 3668 78222
Maltignano AP 11 2401 80623
Folignano AP 12 9241 89864
Ortezzano FM 12 774 90638
Monte Rinaldo FM 12 379 91017
Spinetoli AP 12 7215 98232
Force AP 12 1354 99586
Venarotta AP 12 2066 101652
Carassai AP 13 1100 102752
Montelparo FM 13 778 103530
Sant'Egidio alla Vibrata TE 13 9811 113341
Monsampolo del Tronto AP 13 4611 117952
Ancarano TE 13 1857 119809
Ripatransone AP 13 4309 124118
Monte Vidon Combatte FM 14 433 124551
Palmiano AP 15 196 124747
Roccafluvione AP 15 2010 126757
Acquaviva Picena AP 15 3831 130588
Santa Vittoria in Matenano FM 15 1330 131918
Montottone FM 16 979 132897
Montefalcone Appennino FM 16 424 133321
Petritoli FM 16 2335 135656
Monteleone di Fermo FM 16 395 136051
Torano Nuovo TE 16 1611 137662
Monteprandone AP 17 12655 150317
Monsampietro Morico FM 17 659 150976
Montefiore dell'Aso AP 17 2123 153099
Controguerra TE 17 2436 155535
Civitella del Tronto TE 17 5116 160651
Smerillo FM 18 365 161016
Comunanza AP 18 3166 164182
Monte Giberto FM 18 801 164983
Monterubbiano FM 19 2230 167213
Nereto TE 19 5242 172455
Massignano AP 19 1638 174093
Moresco FM 20 598 174691
Monte San Martino MC 20 765 175456
Ponzano di Fermo FM 20 1674 177130
Corropoli TE 20 5045 182175
Belmonte Piceno FM 20 646 182821

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of Teramo (54892 inhabitants)
62 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)
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 1.6 2023-07-07
14:20:31
42.9272 13.6332 23 2023-07-07
14:26:49
Sala Sismica INGV-Roma 119047931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-07 14:20:31 ± 0.25
Latitude 42.9272 ± 0.0063
Longitude 13.6332 ± 0.0147
Depth (km) 23 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119047931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1128
Semi-minor axis of confidence ellipse (meter) 494
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
Circular confidence region, given by single value of horizontal uncertainty (meter) 1130.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 195
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.72126
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 119047931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-07 14:26:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2023-07-07T14:20:57.18 0.6 undecidable manual S 280 80.0643 100 1.13 33
IV.RM33.EHZ. 2023-07-07T14:20:50.70 0.6 undecidable manual S 216 57.5979 105 0.52 45
IV.MML1.EHZ. 2023-07-07T14:20:50.48 0.6 undecidable manual S 291 57.498 105 0.33 47
IV.GIGS.HHZ. 2023-07-07T14:20:49.18 0.6 undecidable manual S 185 52.8027 107 0.23 48
IV.FDMO.HHZ. 2023-07-07T14:20:47.32 0.3 undecidable manual S 286 45.9207 110 0.12 75
IV.NRCA.HHZ. 2023-07-07T14:20:46.55 0.3 undecidable manual S 256 43.4232 111 -0.03 76
IV.CSP1.EHZ. 2023-07-07T14:20:45.67 0.6 undecidable manual S 298 39.2274 113 0.13 50
IV.ASSB.HHZ. 2023-07-07T14:20:45.84 0.6 undecidable manual P 280 80.0643 100 0 48
IV.SMA1.EHZ. 2023-07-07T14:20:45.81 0.6 undecidable manual S 216 40.8258 112 -0.14 50
IV.TERO.HHZ. 2023-07-07T14:20:44.47 0.3 undecidable manual S 184 33.8439 117 0.23 74
IV.MML1.EHZ. 2023-07-07T14:20:42.36 0.1 undecidable manual P 291 57.498 105 -0.08 99
IV.RM33.EHZ. 2023-07-07T14:20:42.67 1.0 positive manual P 216 57.5979 105 0.22 24
IV.GIGS.HHZ. 2023-07-07T14:20:41.75 1.0 undecidable manual P 185 52.8027 107 0 25
IV.MNTT.EHZ. 2023-07-07T14:20:41.10 0.3 undecidable manual S 349 15.2736 142 0.73 64
IV.NRCA.HHZ. 2023-07-07T14:20:40.23 0.1 positive manual P 256 43.4232 111 -0.15 99
IV.FDMO.HHZ. 2023-07-07T14:20:40.49 0.1 negative manual P 286 45.9207 110 -0.25 97
IV.CSP1.EHZ. 2023-07-07T14:20:39.60 0.1 undecidable manual P 298 39.2274 113 -0.18 100
IV.MF5.EHZ. 2023-07-07T14:20:39.58 0.3 undecidable manual S 296 15.5733 142 -0.85 64
IV.SMA1.EHZ. 2023-07-07T14:20:39.83 0.3 undecidable manual P 216 40.8258 112 -0.19 74
IV.TERO.HHZ. 2023-07-07T14:20:39.00 0.6 undecidable manual P 184 33.8439 117 -0.03 52
IV.GUMA.HHZ. 2023-07-07T14:20:38.23 3.0 negative manual P 0.01 0
IV.MNTT.EHZ. 2023-07-07T14:20:37.18 0.3 negative manual P 349 15.2736 142 0.38 74
IV.MF5.EHZ. 2023-07-07T14:20:36.35 0.1 undecidable manual P 296 15.5733 142 -0.48 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MNTT.EHN. ML:1.8 0.000365 0.2 AML other m 2023-07-07T14:20:42.32
IV.MNTT.EHE. ML:2.0 0.0005135000000000001 1.48 AML other m 2023-07-07T14:20:42.98
IV.GUMA.HHN. ML:1.6 0.000166 0.76 AML other m 2023-07-07T14:20:43.63
IV.TERO.HHE. ML:1.2 0.00005775 1.5 AML other m 2023-07-07T14:20:44.96
IV.TERO.HHN. ML:1.2 0.0000589 0.24 AML other m 2023-07-07T14:20:45.22
IV.GUMA.HHE. ML:1.5 0.000132 1.06 AML other m 2023-07-07T14:20:45.18
IV.CSP1.EHE. ML:1.7 0.0001376 1.62 AML other m 2023-07-07T14:20:45.01
IV.CSP1.EHN. ML:1.7 0.0001595 0.38 AML other m 2023-07-07T14:20:46.02
IV.SMA1.EHN. ML:1.7 0.0001465 0.18 AML other m 2023-07-07T14:20:46.00
IV.SMA1.EHE. ML:1.5 0.00008285000000000001 1.52 AML other m 2023-07-07T14:20:46.12
IV.NRCA.HHE. ML:1.6 0.0001055 0.12 AML other m 2023-07-07T14:20:46.65
IV.NRCA.HHN. ML:1.8 0.000162 0.36 AML other m 2023-07-07T14:20:47.43
IV.FDMO.HHN. ML:1.4 0.0000596 0.22 AML other m 2023-07-07T14:20:47.68
IV.FDMO.HHE. ML:1.4 0.00007145 0.76 AML other m 2023-07-07T14:20:47.47
IV.MML1.EHN. ML:1.8 0.0001265 1.62 AML other m 2023-07-07T14:20:50.98
IV.RM33.EHE. ML:1.4 0.00004575 0.78 AML other m 2023-07-07T14:20:51.00
IV.RM33.EHN. ML:1.2 0.0000363 0.84 AML other m 2023-07-07T14:20:51.77
IV.MML1.EHE. ML:1.5 0.00007139999999999999 0.14 AML other m 2023-07-07T14:20:51.47
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download