Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 08-07-2023 and time 07:34:06 (Italy) in region 3 km SW Castignano (AP)

A magnitude ML 1.7 earthquake occured in region: 3 km SW Castignano (AP), on

  • 08-07-2023 05:34:06 (UTC)
  • 08-07-2023 07:34:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9150, 13.6090 at 20 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 3 2796 2796
Appignano del Tronto AP 5 1785 4581
Rotella AP 6 906 5487
Montedinove AP 7 488 5975
Ascoli Piceno AP 7 49407 55382
Offida AP 7 5058 60440
Montalto delle Marche AP 8 2122 62562
Castorano AP 10 2380 64942
Castel di Lama AP 10 8634 73576
Venarotta AP 10 2066 75642
Cossignano AP 10 978 76620
Folignano AP 11 9241 85861
Force AP 11 1354 87215
Maltignano AP 11 2401 89616
Colli del Tronto AP 12 3668 93284
Palmiano AP 12 196 93480
Roccafluvione AP 12 2010 95490
Monte Rinaldo FM 13 379 95869
Montelparo FM 13 778 96647
Ortezzano FM 13 774 97421
Sant'Egidio alla Vibrata TE 13 9811 107232
Spinetoli AP 14 7215 114447
Ancarano TE 14 1857 116304
Carassai AP 15 1100 117404
Montefalcone Appennino FM 15 424 117828
Santa Vittoria in Matenano FM 15 1330 119158
Monsampolo del Tronto AP 15 4611 123769
Monte Vidon Combatte FM 15 433 124202
Ripatransone AP 16 4309 128511
Monteleone di Fermo FM 16 395 128906
Comunanza AP 17 3166 132072
Civitella del Tronto TE 17 5116 137188
Smerillo FM 17 365 137553
Montottone FM 17 979 138532
Torano Nuovo TE 17 1611 140143
Acquaviva Picena AP 17 3831 143974
Petritoli FM 18 2335 146309
Monsampietro Morico FM 18 659 146968
Controguerra TE 19 2436 149404
Monteprandone AP 19 12655 162059
Monte San Martino MC 19 765 162824
Montefiore dell'Aso AP 19 2123 164947
Monte Giberto FM 20 801 165748

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km N of Teramo (54892 inhabitants)
63 Km NW of Montesilvano (53738 inhabitants)
65 Km N of L'Aquila (69753 inhabitants)
70 Km NW of Pescara (121014 inhabitants)
74 Km E of Foligno (57155 inhabitants)
78 Km NW of Chieti (51815 inhabitants)
79 Km S of Ancona (100861 inhabitants)
88 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 1.7 2023-07-08
05:34:06		 42.9148 13.6087 20 2023-07-08
05:44:07		 Sala Sismica INGV-Roma 119067161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-08 05:34:06 ± 0.17
Latitude 42.9148 ± 0.0063
Longitude 13.6087 ± 0.0086
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119067161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 731
Semi-minor axis of confidence ellipse (meter) 336
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56927
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 119067161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-08 05:44:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.AGOR.HHZ. 2023-07-08T05:35:59.14 3.0 undecidable manual Sg 9.1 0
SL.LJU.BHZ. 2023-07-08T05:35:35.47 3.0 undecidable manual Sn -6.9 0
AC.VLO.HHZ. 2023-07-08T05:35:35.85 3.0 undecidable manual Pg 9.61 0
IV.PTRP.HHZ. 2023-07-08T05:35:31.85 3.0 undecidable manual Sn -4.2 0
GU.CARD.HHZ. 2023-07-08T05:35:27.85 3.0 undecidable manual Sg 4.31 0
IV.ZCCA.HHZ. 2023-07-08T05:35:26.29 3.0 undecidable manual Sg 5.83 0
IV.SPS2.HHZ. 2023-07-08T05:35:23.95 3.0 negative manual Pg 10.46 0
IV.CMPR.HHZ. 2023-07-08T05:35:23.17 3.0 undecidable manual Sn -9.34 0
IV.ACER.HHZ. 2023-07-08T05:34:59.37 3.0 undecidable manual Pg 5.11 0
IV.ZCCA.HHZ. 2023-07-08T05:34:51.69 3.0 positive manual Pg 2.59 0
IV.PIEI.HHZ. 2023-07-08T05:34:40.55 3.0 undecidable manual S 0
IV.RCAV.EHZ. 2023-07-08T05:34:40.87 3.0 undecidable manual S -7.92 0
IV.SSFR.HHZ. 2023-07-08T05:34:34.56 3.0 undecidable manual S 0
IV.T0110.HHZ. 2023-07-08T05:34:32.42 3.0 undecidable manual S -1.95 0
IV.LRP.EHZ. 2023-07-08T05:34:30.40 3.0 undecidable manual P -2.68 0
IV.CING.HHZ. 2023-07-08T05:34:26.12 0.3 undecidable manual S 327 61.0944 100 0.77 58
IV.PIEI.HHZ. 2023-07-08T05:34:25.07 3.0 undecidable manual P 0
IV.LPEL.HHZ. 2023-07-08T05:34:23.59 3.0 undecidable manual P -5.05 0
IV.FDMO.HHZ. 2023-07-08T05:34:21.44 0.6 undecidable manual S 288 44.4222 105 0.44 44
IV.SSFR.HHZ. 2023-07-08T05:34:21.86 3.0 undecidable manual P 0
IV.NRCA.HHZ. 2023-07-08T05:34:20.90 0.6 undecidable manual S 258 41.2254 106 0.73 39
IV.T0110.HHZ. 2023-07-08T05:34:20.75 3.0 positive manual P -2.46 0
IV.SMA1.EHZ. 2023-07-08T05:34:20.13 0.6 undecidable manual S 215 38.628 108 0.62 41
IV.CSP1.EHZ. 2023-07-08T05:34:19.86 0.6 undecidable manual S 301 38.2284 108 0.46 44
IV.TERO.HHZ. 2023-07-08T05:34:18.40 0.6 undecidable manual S 181 32.4453 112 0.45 44
IV.CING.HHZ. 2023-07-08T05:34:17.25 1.0 negative manual P 327 61.0944 100 -0.08 23
IV.GAVE.EHZ. 2023-07-08T05:34:17.84 0.6 positive manual P 247 63.1923 100 0.19 44
IV.GUMA.HHZ. 2023-07-08T05:34:17.06 0.6 undecidable manual S 307 27.5502 116 0.28 47
IV.MTRA.EHZ. 2023-07-08T05:34:16.17 0.6 undecidable manual S 225 24.5532 120 0.1 48
IV.RM33.EHZ. 2023-07-08T05:34:16.55 0.6 undecidable manual P 216 55.3002 101 0.09 46
7F.SIB1.EHZ. 2023-07-08T05:34:16.67 0.6 undecidable manual S 265 27.6501 116 -0.11 48
IV.CAMP.HHN. 2023-07-08T05:34:15.04 0.1 undecidable manual P 201 45.1215 105 0.12 93
7F.SIB2.EHZ. 2023-07-08T05:34:15.76 0.6 undecidable manual S 264 24.9528 120 -0.38 46
IV.MMO1.EHZ. 2023-07-08T05:34:15.64 0.6 undecidable manual S 266 22.9548 122 -0.06 49
IV.GIGS.HHZ. 2023-07-08T05:34:15.69 0.6 undecidable manual P 183 51.3153 102 -0.16 46
IV.NRCA.HHZ. 2023-07-08T05:34:14.08 0.6 undecidable manual P 258 41.2254 106 -0.26 46
IV.FDMO.HHZ. 2023-07-08T05:34:14.67 0.3 negative manual P 288 44.4222 105 -0.15 69
IV.SMA1.EHZ. 2023-07-08T05:34:13.91 0.1 undecidable manual P 215 38.628 108 -0.05 96
IV.MF5.EHZ. 2023-07-08T05:34:13.60 0.6 undecidable manual S 304 14.5743 137 -0.37 46
IV.TERO.HHZ. 2023-07-08T05:34:13.09 0.3 positive manual P 181 32.4453 112 0.03 73
IV.CSP1.EHZ. 2023-07-08T05:34:13.29 1.0 positive manual P 301 38.2284 108 -0.61 21
IV.OFFI.HHZ. 2023-07-08T05:34:12.82 0.3 undecidable manual S 70 6.6933 158 -0.01 76
IV.MTRA.EHZ. 2023-07-08T05:34:12.13 0.3 undecidable manual P 225 24.5532 120 0.15 72
IV.GUMA.HHZ. 2023-07-08T05:34:11.83 0.6 positive manual P 307 27.5502 116 -0.56 43
7F.SIB1.EHZ. 2023-07-08T05:34:11.72 0.1 undecidable manual P 265 27.6501 116 -0.67 83
IV.MMO1.EHZ. 2023-07-08T05:34:11.23 1.0 undecidable manual P 266 22.9548 122 -0.53 22
IV.MNTT.EHZ. 2023-07-08T05:34:11.34 0.1 negative manual P 356 16.3725 134 0.38 94
7F.SIB2.EHZ. 2023-07-08T05:34:11.59 0.1 undecidable manual P 264 24.9528 120 -0.43 91
IV.MF5.EHZ. 2023-07-08T05:34:10.57 0.1 negative manual P 304 14.5743 137 -0.19 96
IV.OFFI.HHZ. 2023-07-08T05:34:10.03 0.1 undecidable manual P 70 6.6933 158 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OFFI.HHN. ML:2.3 0.001605 0.98 AML other m 2023-07-08T05:34:13.47
IV.MF5.EHN. ML:1.6 0.000279 0.16 AML other m 2023-07-08T05:34:13.73
IV.OFFI.HHE. ML:2.1 0.0011435 0.74 AML other m 2023-07-08T05:34:13.45
IV.MF5.EHE. ML:1.7 0.00032 0.34 AML other m 2023-07-08T05:34:13.81
IV.MMO1.EHE. ML:1.2 0.00008245 0.56 AML other m 2023-07-08T05:34:15.78
IV.MTRA.EHE. ML:1.9 0.000422 0.34 AML other m 2023-07-08T05:34:16.27
IV.MTRA.HNE. ML:2.0 0.000512 0.36 AML other m 2023-07-08T05:34:16.45
IV.MNTT.EHE. ML:2.4 0.0016600000000000002 0.36 AML other m 2023-07-08T05:34:16.16
IV.MTRA.EHN. ML:1.9 0.000368 0.24 AML other m 2023-07-08T05:34:16.35
IV.MTRA.HNN. ML:1.9 0.000367 0.26 AML other m 2023-07-08T05:34:16.36
IV.GUMA.HHN. ML:1.9 0.00039200000000000004 0.34 AML other m 2023-07-08T05:34:17.47
IV.GUMA.HHE. ML:1.7 0.0002365 0.8 AML other m 2023-07-08T05:34:17.81
IV.MMO1.EHN. ML:1.3 0.00009709999999999999 0.76 AML other m 2023-07-08T05:34:18.79
IV.TERO.HHN. ML:1.6 0.000155 0.62 AML other m 2023-07-08T05:34:18.62
IV.TERO.HHE. ML:1.6 0.00014000000000000001 0.3 AML other m 2023-07-08T05:34:19.17
IV.MNTT.EHN. ML:2.1 0.0008489999999999999 0.36 AML other m 2023-07-08T05:34:19.42
IV.CSP1.EHN. ML:1.9 0.000253 0.98 AML other m 2023-07-08T05:34:19.89
IV.CSP1.EHE. ML:1.9 0.000259 1.22 AML other m 2023-07-08T05:34:20.01
IV.SMA1.EHE. ML:1.8 0.00020400000000000003 0.34 AML other m 2023-07-08T05:34:20.23
IV.SMA1.EHN. ML:2.0 0.00029299999999999997 0.3 AML other m 2023-07-08T05:34:20.13
IV.NRCA.HHN. ML:1.8 0.00016849999999999998 0.14 AML other m 2023-07-08T05:34:21.18
IV.FDMO.HHN. ML:1.6 0.0001245 0.2 AML other m 2023-07-08T05:34:21.57
IV.NRCA.HHE. ML:1.7 0.00015900000000000002 0.4 AML other m 2023-07-08T05:34:21.69
IV.FDMO.HHE. ML:1.4 0.00006769999999999999 0.88 AML other m 2023-07-08T05:34:22.64
IV.GIGS.HHE. ML:1.2 0.00003505 0.32 AML other m 2023-07-08T05:34:24.43
IV.GIGS.HHN. ML:1.0 0.0000239 0.46 AML other m 2023-07-08T05:34:24.54
IV.RM33.EHE. ML:1.6 0.000095 0.8 AML other m 2023-07-08T05:34:25.52
IV.RM33.EHN. ML:1.5 0.00007205 1.1 AML other m 2023-07-08T05:34:26.78
IV.GAVE.EHN. ML:1.3 0.000042300000000000005 1.18 AML other m 2023-07-08T05:34:28.19
IV.GAVE.EHE. ML:1.4 0.00004910000000000001 0.2 AML other m 2023-07-08T05:34:28.85
IV.T0110.HHE. ML:1.6 0.00006085 0.6 AML other m 2023-07-08T05:34:33.57
IV.T0110.HHN. ML:1.6 0.00005815 0.8 AML other m 2023-07-08T05:34:33.25
IV.SSFR.HHN. ML:1.8 0.00007175000000000001 0.3 AML other m 2023-07-08T05:34:35.34
IV.SSFR.HHE. ML:1.9 0.000095 0.24 AML other m 2023-07-08T05:34:35.37
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