Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 11-07-2023 and time 14:39:40 (Italy) in region 5 km N Ascoli Piceno (AP)

A magnitude ML 2.0 earthquake occured in region: 5 km N Ascoli Piceno (AP), on

  • 11-07-2023 12:39:40 (UTC)
  • 11-07-2023 14:39:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8960, 13.5670 at 12 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ascoli Piceno AP 5 49407 49407
Venarotta AP 6 2066 51473
Castignano AP 7 2796 54269
Rotella AP 7 906 55175
Appignano del Tronto AP 8 1785 56960
Roccafluvione AP 8 2010 58970
Montedinove AP 9 488 59458
Palmiano AP 9 196 59654
Force AP 10 1354 61008
Folignano AP 10 9241 70249
Montalto delle Marche AP 11 2122 72371
Offida AP 11 5058 77429
Maltignano AP 12 2401 79830
Castel di Lama AP 12 8634 88464
Castorano AP 13 2380 90844
Montefalcone Appennino FM 14 424 91268
Montelparo FM 14 778 92046
Cossignano AP 14 978 93024
Comunanza AP 14 3166 96190
Sant'Egidio alla Vibrata TE 15 9811 106001
Monte Rinaldo FM 15 379 106380
Colli del Tronto AP 15 3668 110048
Santa Vittoria in Matenano FM 15 1330 111378
Ortezzano FM 16 774 112152
Smerillo FM 16 365 112517
Ancarano TE 16 1857 114374
Civitella del Tronto TE 16 5116 119490
Spinetoli AP 17 7215 126705
Monteleone di Fermo FM 17 395 127100
Monte Vidon Combatte FM 18 433 127533
Carassai AP 18 1100 128633
Monsampolo del Tronto AP 18 4611 133244
Monte San Martino MC 18 765 134009
Valle Castellana TE 19 977 134986
Montottone FM 19 979 135965
Torano Nuovo TE 19 1611 137576
Acquasanta Terme AP 19 2916 140492
Montefortino FM 19 1178 141670
Monsampietro Morico FM 19 659 142329
Montemonaco AP 20 604 142933
Amandola FM 20 3629 146562
Ripatransone AP 20 4309 150871
Montegallo AP 20 523 151394

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of Teramo (54892 inhabitants)
62 Km N of L'Aquila (69753 inhabitants)
64 Km NW of Montesilvano (53738 inhabitants)
71 Km E of Foligno (57155 inhabitants)
71 Km NW of Pescara (121014 inhabitants)
78 Km NW of Chieti (51815 inhabitants)
80 Km S of Ancona (100861 inhabitants)
84 Km E of Terni (111501 inhabitants)
99 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 2023-07-11
12:39:40		 42.8963 13.5673 12 2023-07-11
12:49:12		 Sala Sismica INGV-Roma 119165431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-11 12:39:40 ± 0.1
Latitude 42.8963 ± 0.0045
Longitude 13.5673 ± 0.0086
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119165431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 492
Semi-minor axis of confidence ellipse (meter) 472
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 49
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) 0.48653
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 21
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 119165431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-11 12:49:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.RONC.HNZ. 2023-07-11T12:41:17.19 3.0 undecidable manual Sn 0.2 0
IV.CTI.HHZ. 2023-07-11T12:41:07.07 3.0 undecidable manual Sn -1.09 0
IV.PANTE.HHZ. 2023-07-11T12:41:05.79 3.0 undecidable manual Pn 1.46 0
CH.BERNI.HHZ. 2023-07-11T12:40:48.63 3.0 positive manual Pg 8.69 0
ST.RONC.HNZ. 2023-07-11T12:40:42.66 3.0 undecidable manual Pg 10.96 0
ST.ZIAN.EHZ. 2023-07-11T12:40:38.19 3.0 undecidable manual Pg 8.33 0
IV.MPAG.EHZ. 2023-07-11T12:40:13.14 3.0 undecidable manual Sg 2.57 0
IV.PIEI.HHZ. 2023-07-11T12:40:13.85 3.0 undecidable manual Sn 1.07 0
IV.LRP.EHZ. 2023-07-11T12:40:12.34 3.0 undecidable manual Sn -1.21 0
IV.MURB.HHZ. 2023-07-11T12:40:10.13 3.0 undecidable manual Sn -0.43 0
IX.COL3.HHZ.02 2023-07-11T12:40:09.86 3.0 undecidable manual Pn -0.85 0
IV.PABO.HHZ. 2023-07-11T12:40:07.20 3.0 undecidable manual Sn -2.88 0
IV.T0110.HHZ. 2023-07-11T12:40:05.70 3.0 undecidable manual Sg 6.27 0
IV.ATFO.HHZ. 2023-07-11T12:39:55.89 3.0 positive manual Pg 1.51 0
IV.MOMA.HHZ. 2023-07-11T12:39:54.37 3.0 positive manual Pn 0.92 0
IV.T0110.HHZ. 2023-07-11T12:39:53.69 3.0 negative manual Pg 5.56 0
IV.ARRO.EHZ. 2023-07-11T12:39:53.44 3.0 positive manual Pn 1.2 0
IV.CSP1.EHZ. 2023-07-11T12:39:52.52 0.6 undecidable manual S 307 36.5412 92 0.16 47
IV.ASSB.HHZ. 2023-07-11T12:39:52.94 3.0 undecidable manual Pn 0.4 0
IV.TERO.HHZ. 2023-07-11T12:39:51.33 0.6 undecidable manual S 174 30.4473 93 0.58 45
IV.MC2.EHZ. 2023-07-11T12:39:51.66 0.6 undecidable manual S 273 30.747 93 0.84 38
IV.LNSS.HHZ. 2023-07-11T12:39:49.85 0.3 undecidable manual P 233 53.9016 91 -0.01 71
7F.SIB3.EHE. 2023-07-11T12:39:49.53 0.6 undecidable manual S 265 24.2535 94 0.44 45
IV.SAP2.EHE. 2023-07-11T12:39:49.69 0.6 undecidable manual S 329 26.0517 94 0.12 48
IV.RM33.EHZ. 2023-07-11T12:39:49.53 0.3 undecidable manual P 214 51.7038 91 0 71
IV.MML1.EHZ. 2023-07-11T12:39:49.49 0.6 negative manual P 297 54.0015 91 -0.4 44
IV.GIGS.HHZ. 2023-07-11T12:39:48.65 1.0 undecidable manual P 179 49.1175 91 -0.49 21
IV.MNTT.EHZ. 2023-07-11T12:39:48.48 0.6 undecidable manual S 7 18.5703 98 0.92 38
IV.MTRA.HNE. 2023-07-11T12:39:48.95 0.6 undecidable manual S 222 20.7681 96 0.78 41
IV.CAMP.HHN. 2023-07-11T12:39:47.99 0.1 undecidable manual P 198 42.0246 92 -0.05 95
IV.NRCA.HHZ. 2023-07-11T12:39:47.20 0.3 undecidable manual P 259 37.4292 92 -0.14 71
IV.FDMO.HHZ. 2023-07-11T12:39:47.55 0.1 undecidable manual P 292 41.9247 92 -0.48 88
IV.SMA1.EHZ. 2023-07-11T12:39:47.01 0.1 negative manual P 213 35.0427 92 0.05 98
IV.TERO.HHZ. 2023-07-11T12:39:46.07 0.1 positive manual P 174 30.4473 93 -0.19 94
IV.TRTR.HHZ. 2023-07-11T12:39:46.67 0.1 undecidable manual P 109 29.8479 93 0.51 90
IV.MF5.EHZ. 2023-07-11T12:39:46.55 0.3 undecidable manual S 319 13.3755 112 0.31 70
IV.MC2.EHZ. 2023-07-11T12:39:46.27 0.1 negative manual P 273 30.747 93 -0.04 98
IV.CSP1.EHZ. 2023-07-11T12:39:46.71 1.0 undecidable manual P 307 36.5412 92 -0.49 22
7F.SIB3.EHE. 2023-07-11T12:39:45.14 0.1 undecidable manual P 265 24.2535 94 -0.17 97
7F.SIB1.EHE. 2023-07-11T12:39:45.21 0.1 undecidable manual P 270 24.1536 94 -0.08 99
IV.SAP2.EHE. 2023-07-11T12:39:45.21 0.1 undecidable manual P 329 26.0517 94 -0.38 93
IV.OFFI.HHZ. 2023-07-11T12:39:45.86 0.6 undecidable manual S 66 10.5783 123 0.3 48
IV.MTRA.HNE. 2023-07-11T12:39:44.88 0.1 undecidable manual P 222 20.7681 96 0.1 99
IV.MMO1.EHZ. 2023-07-11T12:39:44.48 0.1 undecidable manual P 271 19.5693 97 -0.1 99
IV.MNTT.EHZ. 2023-07-11T12:39:44.36 0.1 negative manual P 7 18.5703 98 -0.07 100
IV.ASCOL.EHZ. 2023-07-11T12:39:44.65 0.3 undecidable manual S 160 5.2947 149 0.05 77
IV.OFFI.HHZ. 2023-07-11T12:39:43.03 0.1 positive manual P 66 10.5783 123 -0.24 97
IV.MF5.EHZ. 2023-07-11T12:39:43.52 0.1 undecidable manual P 319 13.3755 112 -0.14 100
IV.ASCOL.EHZ. 2023-07-11T12:39:42.49 0.1 undecidable manual P 160 5.2947 149 -0.23 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OFFI.HHE. ML:2.7 0.005555 0.54 AML other m 2023-07-11T12:39:46.52
IV.OFFI.HHN. ML:2.9 0.008 1 AML other m 2023-07-11T12:39:46.01
IV.MF5.EHN. ML:1.8 0.0006295 0.58 AML other m 2023-07-11T12:39:46.70
IV.MF5.EHE. ML:2.1 0.001165 0.36 AML other m 2023-07-11T12:39:46.81
IV.MMO1.EHE. ML:1.8 0.0004 0.64 AML other m 2023-07-11T12:39:48.76
IV.MNTT.EHE. ML:3.0 0.00772 0.42 AML other m 2023-07-11T12:39:49.16
IV.MMO1.EHN. ML:1.6 0.000284 1.02 AML other m 2023-07-11T12:39:50.61
IV.TERO.HHE. ML:2.0 0.000497 0.42 AML other m 2023-07-11T12:39:51.58
IV.TERO.HNE. ML:1.9 0.000388 1.34 AML other m 2023-07-11T12:39:51.67
IV.TERO.HHN. ML:2.0 0.0005064999999999999 0.6 AML other m 2023-07-11T12:39:51.68
IV.MC2.EHE. ML:2.0 0.0005064999999999999 0.24 AML other m 2023-07-11T12:39:51.93
IV.TERO.HNN. ML:2.1 0.000559 0.42 AML other m 2023-07-11T12:39:52.32
IV.MNTT.EHN. ML:2.7 0.0036849999999999995 0.34 AML other m 2023-07-11T12:39:52.43
IV.CSP1.EHN. ML:2.2 0.0006835 0.32 AML other m 2023-07-11T12:39:52.89
IV.CSP1.EHE. ML:2.2 0.000683 0.36 AML other m 2023-07-11T12:39:53.02
IV.SMA1.EHE. ML:2.3 0.00075 0.38 AML other m 2023-07-11T12:39:53.25
IV.SMA1.EHN. ML:2.4 0.001062 0.26 AML other m 2023-07-11T12:39:53.15
IV.MC2.EHN. ML:2.0 0.00048049999999999997 0.24 AML other m 2023-07-11T12:39:53.26
IV.NRCA.HHN. ML:1.9 0.0003155 1.58 AML other m 2023-07-11T12:39:53.87
IV.FDMO.HHE. ML:1.7 0.0001675 0.3 AML other m 2023-07-11T12:39:54.64
IV.FDMO.HHN. ML:2.1 0.000383 0.26 AML other m 2023-07-11T12:39:54.58
IV.NRCA.HHE. ML:1.7 0.00019800000000000002 0.64 AML other m 2023-07-11T12:39:54.67
IV.GIGS.HHE. ML:1.7 0.00013350000000000002 0.2 AML other m 2023-07-11T12:39:57.32
IV.GIGS.HHN. ML:1.5 0.0000881 0.5 AML other m 2023-07-11T12:39:57.36
IV.RM33.HNE. ML:2.1 0.000319 0.78 AML other m 2023-07-11T12:39:58.54
IV.MML1.HNN. ML:2.1 0.0003 1.4 AML other m 2023-07-11T12:39:58.15
IV.MML1.EHN. ML:2.1 0.00029900000000000006 0.4 AML other m 2023-07-11T12:39:58.16
IV.RM33.EHE. ML:2.1 0.0003265 0.62 AML other m 2023-07-11T12:39:58.54
IV.LNSS.HHN. ML:1.9 0.0001945 0.52 AML other m 2023-07-11T12:39:58.87
IV.MML1.HNE. ML:2.1 0.000306 0.38 AML other m 2023-07-11T12:39:58.69
IV.MML1.EHE. ML:2.1 0.0002755 0.38 AML other m 2023-07-11T12:39:58.70
IV.RM33.HNN. ML:2.1 0.000343 1.1 AML other m 2023-07-11T12:39:59.79
IV.RM33.EHN. ML:2.0 0.00023899999999999998 1.18 AML other m 2023-07-11T12:39:59.83
IV.LNSS.HHE. ML:1.9 0.000187 1.42 AML other m 2023-07-11T12:40:00.88
IV.ASSB.HHN. ML:1.8 0.00009995 0.6 AML other m 2023-07-11T12:40:04.34
IV.ASSB.HHE. ML:2.1 0.00017099999999999998 0.26 AML other m 2023-07-11T12:40:05.27
IV.ARRO.EHE. ML:1.5 0.0000513 0.7 AML other m 2023-07-11T12:40:05.43
IV.ARRO.EHN. ML:1.5 0.00005105 0.22 AML other m 2023-07-11T12:40:07.05
IV.MOMA.HHN. ML:1.5 0.0000472 0.34 AML other m 2023-07-11T12:40:07.16
IV.MOMA.HHE. ML:1.6 0.000059149999999999994 0.3 AML other m 2023-07-11T12:40:08.34
IV.MURB.HHE. ML:2.6 0.00043 0.3 AML other m 2023-07-11T12:40:10.65
IV.MURB.HHN. ML:2.4 0.00028900000000000003 0.34 AML other m 2023-07-11T12:40:10.54
IV.MPAG.EHE. ML:1.6 0.000033350000000000004 0.88 AML other m 2023-07-11T12:40:12.24
IV.ATFO.HHE. ML:1.8 0.00007545 0.48 AML other m 2023-07-11T12:40:13.36
IV.PIEI.HHN. ML:1.8 0.000052850000000000004 1.68 AML other m 2023-07-11T12:40:13.03
IV.ATFO.HHN. ML:1.8 0.00006525 1.18 AML other m 2023-07-11T12:40:14.01
IV.PIEI.HHE. ML:1.7 0.000046700000000000003 0.42 AML other m 2023-07-11T12:40:16.07
IV.MPAG.EHN. ML:1.6 0.0000343 0.48 AML other m 2023-07-11T12:40:18.24
IX.COL3.HHN.02 ML:2.8 0.00009065000000000001 1.34 AML other m 2023-07-11T12:40:20.06
IX.COL3.HHE.02 ML:2.6 0.00005365 0.66 AML other m 2023-07-11T12:40:20.47
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