Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 17-07-2023 and time 17:56:27 (Italy) in region 5 km SW Castignano (AP)

A magnitude ML 2.0 earthquake occured in region: 5 km SW Castignano (AP), on

  • 17-07-2023 15:56:27 (UTC)
  • 17-07-2023 17:56:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9060, 13.5820 at 14 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.

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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 5 2796 2796
Rotella AP 6 906 3702
Ascoli Piceno AP 6 49407 53109
Appignano del Tronto AP 7 1785 54894
Montedinove AP 7 488 55382
Venarotta AP 8 2066 57448
Montalto delle Marche AP 9 2122 59570
Offida AP 10 5058 64628
Force AP 10 1354 65982
Roccafluvione AP 10 2010 67992
Palmiano AP 10 196 68188
Folignano AP 10 9241 77429
Castel di Lama AP 12 8634 86063
Maltignano AP 12 2401 88464
Castorano AP 12 2380 90844
Cossignano AP 12 978 91822
Montelparo FM 13 778 92600
Montefalcone Appennino FM 14 424 93024
Monte Rinaldo FM 14 379 93403
Colli del Tronto AP 14 3668 97071
Ortezzano FM 14 774 97845
Sant'Egidio alla Vibrata TE 14 9811 107656
Santa Vittoria in Matenano FM 15 1330 108986
Comunanza AP 15 3166 112152
Ancarano TE 15 1857 114009
Smerillo FM 16 365 114374
Spinetoli AP 16 7215 121589
Carassai AP 16 1100 122689
Civitella del Tronto TE 16 5116 127805
Monteleone di Fermo FM 16 395 128200
Monte Vidon Combatte FM 17 433 128633
Monsampolo del Tronto AP 17 4611 133244
Montottone FM 17 979 134223
Monte San Martino MC 18 765 134988
Ripatransone AP 18 4309 139297
Monsampietro Morico FM 18 659 139956
Torano Nuovo TE 18 1611 141567
Petritoli FM 19 2335 143902
Acquaviva Picena AP 20 3831 147733
Montefortino FM 20 1178 148911

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of Teramo (54892 inhabitants)
63 Km N of L'Aquila (69753 inhabitants)
64 Km NW of Montesilvano (53738 inhabitants)
71 Km NW of Pescara (121014 inhabitants)
72 Km E of Foligno (57155 inhabitants)
78 Km NW of Chieti (51815 inhabitants)
79 Km S of Ancona (100861 inhabitants)
85 Km E of Terni (111501 inhabitants)
100 Km E of Perugia (166134 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 2.0 2023-07-17
15:56:27		 42.9063 13.582 14 2023-07-17
16:06:00		 Sala Sismica INGV-Roma 119348891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-17 15:56:27 ± 0.16
Latitude 42.9063 ± 0.0054
Longitude 13.5820 ± 0.0111
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119348891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 695
Semi-minor axis of confidence ellipse (meter) 667
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 262
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.69158
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 15
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 119348891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-17 16:06:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TRI.HHZ. 2023-07-17T15:57:50.60 3.0 undecidable manual Sg 6.16 0
IV.CSNT.HHZ. 2023-07-17T15:57:26.76 3.0 undecidable manual Sg 8.74 0
IV.SPS2.HHZ. 2023-07-17T15:57:24.24 3.0 negative manual Pn 2.01 0
IV.PIPA.HHZ. 2023-07-17T15:57:19.75 3.0 positive manual Pn -2.95 0
IV.ACER.HHZ. 2023-07-17T15:57:12.84 3.0 negative manual Pg 9.89 0
IV.MELA.HHZ. 2023-07-17T15:57:07.20 3.0 undecidable manual Sn 0.3 0
IV.PARC.HHZ. 2023-07-17T15:57:05.86 3.0 undecidable manual Sn 0.03 0
IV.PIEI.HHZ. 2023-07-17T15:57:01.41 3.0 undecidable manual S 1.33 0
IV.ATCC.EHZ. 2023-07-17T15:56:54.00 3.0 undecidable manual S 0.67 0
IV.ARVD.HHZ. 2023-07-17T15:56:54.42 3.0 undecidable manual S -0.23 0
IV.ASSB.HHZ. 2023-07-17T15:56:52.11 3.0 undecidable manual S 0.68 0
IV.FOSV.EHZ. 2023-07-17T15:56:52.58 3.0 undecidable manual S -0.56 0
IV.PP3.EHZ. 2023-07-17T15:56:46.34 3.0 undecidable manual S -1.22 0
IV.RM33.EHZ. 2023-07-17T15:56:45.28 0.3 undecidable manual S 214 53.3022 94 0.82 56
IV.RCAV.EHZ. 2023-07-17T15:56:45.43 3.0 undecidable manual Pg 3.48 0
IV.GIGS.HHZ. 2023-07-17T15:56:43.76 0.3 undecidable manual S 181 50.3163 95 0.11 70
IV.T0110.HHZ. 2023-07-17T15:56:41.33 0.3 undecidable manual P 168 76.7676 93 0.33 64
IV.ARRO.EHZ. 2023-07-17T15:56:40.95 3.0 undecidable manual P 3.5 0
IV.CSP1.EHZ. 2023-07-17T15:56:40.30 0.3 undecidable manual S 304 36.8298 97 0.2 71
IV.SMA1.EHZ. 2023-07-17T15:56:40.45 0.3 undecidable manual S 213 36.6411 98 0.43 67
IV.TERO.HHZ. 2023-07-17T15:56:39.02 0.3 undecidable manual S 177 31.5462 100 0.34 69
IV.ASSB.HHZ. 2023-07-17T15:56:38.78 3.0 negative manual P -0.51 0
IV.GUMA.HHZ. 2023-07-17T15:56:37.74 0.3 undecidable manual S 311 26.4513 103 0.37 70
IV.RM33.EHZ. 2023-07-17T15:56:37.24 0.1 undecidable manual P 214 53.3022 94 -0.15 92
IV.MML1.EHZ. 2023-07-17T15:56:36.99 3.0 undecidable manual P -0.06 0
7F.SIB2.EHN. 2023-07-17T15:56:36.15 0.6 undecidable manual S 266 22.6551 106 -0.23 48
IV.MMO1.EHZ. 2023-07-17T15:56:36.12 0.3 undecidable manual S 268 20.7681 109 0.23 72
IV.MTRA.HNZ. 2023-07-17T15:56:36.70 0.1 undecidable manual S 222 22.4553 107 0.38 93
IV.GIGS.HHZ. 2023-07-17T15:56:36.40 0.1 undecidable manual P 181 50.3163 95 -0.53 85
IV.MNTT.EHZ. 2023-07-17T15:56:35.80 0.3 undecidable manual S 4 17.2716 115 0.76 63
IV.LNSS.HHZ. 2023-07-17T15:56:35.69 3.0 undecidable manual Pg 1.18 0
IV.CSP1.EHZ. 2023-07-17T15:56:34.45 0.1 undecidable manual P 304 36.8298 97 -0.43 89
IV.SMA1.EHZ. 2023-07-17T15:56:34.60 0.1 undecidable manual P 213 36.6411 98 -0.23 94
IV.TRTR.HHE. 2023-07-17T15:56:34.47 0.3 undecidable manual P 112 29.0487 101 0.78 61
IV.NRCA.HHZ. 2023-07-17T15:56:34.87 3.0 negative manual Pg 1.2 0
IV.MF5.EHZ. 2023-07-17T15:56:34.31 0.1 undecidable manual S 312 13.4754 125 0.17 99
IV.OFFI.HHZ. 2023-07-17T15:56:33.62 0.1 undecidable manual S 69 8.9799 140 0.35 97
IV.TERO.HHZ. 2023-07-17T15:56:33.74 0.1 undecidable manual P 177 31.5462 100 -0.32 93
IV.GUMA.HHZ. 2023-07-17T15:56:33.13 0.1 undecidable manual P 311 26.4513 103 -0.17 96
IV.MTRA.HNZ. 2023-07-17T15:56:32.56 0.1 undecidable manual P 222 22.4553 107 -0.13 98
IV.FDMO.HHZ. 2023-07-17T15:56:32.42 3.0 negative manual P -3.06 0
IV.MNTT.EHZ. 2023-07-17T15:56:32.06 0.1 negative manual P 4 17.2716 115 0.1 100
IV.ASCOL.HNE. 2023-07-17T15:56:32.42 0.1 undecidable manual S 174 6.1938 151 -0.41 95
7F.SIB2.EHN. 2023-07-17T15:56:32.35 0.1 undecidable manual P 266 22.6551 106 -0.38 93
IV.MMO1.EHZ. 2023-07-17T15:56:32.20 0.3 negative manual P 268 20.7681 109 -0.25 72
IV.MF5.EHZ. 2023-07-17T15:56:31.22 0.1 negative manual P 312 13.4754 125 -0.22 97
IV.ASCOL.HNE. 2023-07-17T15:56:30.22 0.1 undecidable manual P 174 6.1938 151 -0.46 94
IV.OFFI.HHZ. 2023-07-17T15:56:30.68 0.1 positive manual P 69 8.9799 140 -0.25 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OFFI.HHE. ML:2.6 0.004144999999999999 1.46 AML other m 2023-07-17T15:56:33.19
IV.OFFI.HHN. ML:2.7 0.005205 1 AML other m 2023-07-17T15:56:34.68
IV.MF5.EHN. ML:1.9 0.0007655000000000001 0.16 AML other m 2023-07-17T15:56:34.44
IV.MF5.EHE. ML:2.0 0.0009615 0.44 AML other m 2023-07-17T15:56:34.44
IV.MMO1.EHE. ML:1.8 0.0003715 0.48 AML other m 2023-07-17T15:56:36.36
IV.MNTT.EHE. ML:2.8 0.00536 0.34 AML other m 2023-07-17T15:56:36.82
IV.GUMA.HNN. ML:2.4 0.0011799999999999998 0.64 AML other m 2023-07-17T15:56:38.10
IV.GUMA.HHN. ML:2.4 0.001335 1.66 AML other m 2023-07-17T15:56:38.10
IV.MMO1.EHN. ML:1.6 0.00027049999999999996 0.36 AML other m 2023-07-17T15:56:38.26
IV.TERO.HHE. ML:1.9 0.000326 0.42 AML other m 2023-07-17T15:56:39.05
IV.TERO.HNE. ML:1.7 0.000213 0.72 AML other m 2023-07-17T15:56:39.68
IV.TERO.HHN. ML:1.9 0.0003765 0.62 AML other m 2023-07-17T15:56:39.36
IV.TERO.HNN. ML:2.0 0.000402 1.34 AML other m 2023-07-17T15:56:40.01
IV.MNTT.EHN. ML:2.6 0.00281 1.68 AML other m 2023-07-17T15:56:40.08
IV.CSP1.EHN. ML:2.2 0.000672 0.3 AML other m 2023-07-17T15:56:40.52
IV.CSP1.EHE. ML:2.2 0.0006525000000000001 0.3 AML other m 2023-07-17T15:56:40.65
IV.SMA1.EHE. ML:2.2 0.0005965 0.36 AML other m 2023-07-17T15:56:40.89
IV.SMA1.EHN. ML:2.3 0.0008060000000000001 0.2 AML other m 2023-07-17T15:56:40.82
IV.GUMA.HHE. ML:2.2 0.0008089999999999999 0.34 AML other m 2023-07-17T15:56:41.23
IV.GUMA.HNE. ML:2.3 0.0010550000000000002 0.36 AML other m 2023-07-17T15:56:41.25
IV.NRCA.HHN. ML:2.0 0.0003735 0.12 AML other m 2023-07-17T15:56:41.54
IV.FDMO.HHN. ML:2.1 0.0003545 0.26 AML other m 2023-07-17T15:56:42.22
IV.NRCA.HHE. ML:1.9 0.0002675 0.54 AML other m 2023-07-17T15:56:42.33
IV.FDMO.HHE. ML:1.8 0.00017449999999999999 0.68 AML other m 2023-07-17T15:56:42.30
IV.GIGS.HHE. ML:1.4 0.0000636 0.2 AML other m 2023-07-17T15:56:45.01
IV.GIGS.HHN. ML:1.3 0.000056999999999999996 0.48 AML other m 2023-07-17T15:56:45.04
IV.MML1.HNN. ML:2.2 0.0003965 0.2 AML other m 2023-07-17T15:56:46.01
IV.MML1.EHN. ML:2.2 0.0004055 0.2 AML other m 2023-07-17T15:56:46.01
IV.MML1.HNE. ML:2.2 0.000358 0.38 AML other m 2023-07-17T15:56:46.31
IV.MML1.EHE. ML:2.2 0.000356 0.38 AML other m 2023-07-17T15:56:46.31
IV.RM33.EHE. ML:2.0 0.000257 0.62 AML other m 2023-07-17T15:56:46.21
IV.RM33.EHN. ML:1.9 0.00017199999999999998 0.84 AML other m 2023-07-17T15:56:46.50
IV.LNSS.HHE. ML:1.9 0.0001805 0.58 AML other m 2023-07-17T15:56:47.83
IV.LNSS.HHN. ML:1.9 0.00017449999999999999 0.18 AML other m 2023-07-17T15:56:48.73
IV.PP3.EHN. ML:2.0 0.0002585 0.98 AML other m 2023-07-17T15:56:49.29
IV.FOSV.HNE. ML:2.2 0.000193 1.64 AML other m 2023-07-17T15:56:52.87
IV.FOSV.EHE. ML:2.1 0.0001735 1.64 AML other m 2023-07-17T15:56:52.88
IV.ASSB.HHE. ML:2.1 0.0001795 1.74 AML other m 2023-07-17T15:56:52.89
IV.FOSV.HNN. ML:2.3 0.000284 1.68 AML other m 2023-07-17T15:56:52.07
IV.FOSV.EHN. ML:2.3 0.0002755 1.68 AML other m 2023-07-17T15:56:52.07
IV.ATCC.EHN. ML:1.9 0.0001134 1.42 AML other m 2023-07-17T15:56:53.96
IV.ASSB.HHN. ML:1.9 0.00010855000000000001 1.2 AML other m 2023-07-17T15:56:53.38
IV.T0110.HHE. ML:2.0 0.00013550000000000001 0.42 AML other m 2023-07-17T15:56:54.09
IV.ATCC.EHE. ML:2.2 0.00019700000000000002 0.74 AML other m 2023-07-17T15:56:54.20
IV.ARVD.HHE. ML:1.5 0.00004035 0.2 AML other m 2023-07-17T15:56:56.24
IV.ARVD.HHN. ML:1.4 0.00002985 0.26 AML other m 2023-07-17T15:56:56.86
IV.T0110.HHN. ML:2.0 0.0001535 0.32 AML other m 2023-07-17T15:56:57.76
IV.PIEI.HHN. ML:1.8 0.000054800000000000004 0.3 AML other m 2023-07-17T15:57:01.65
IV.PP3.EHE. ML:2.1 0.00027800000000000004 0.96 AML other m 2023-07-17T15:57:01.69
IV.PIEI.HHE. ML:1.8 0.00005434999999999999 1.78 AML other m 2023-07-17T15:57:03.93
IV.PARC.HHE. ML:1.7 0.00003235000000000001 0.48 AML other m 2023-07-17T15:57:12.52
IV.PARC.HHN. ML:1.6 0.00002675 0.7 AML other m 2023-07-17T15:57:15.96
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
Waveforms Seismic signals in miniseed + resp format Download