Earthquake with magnitude of ML 0.5 on date 07-07-2023 and time 00:41:44 (Italy) in region 5 km N Ascoli Piceno (AP)

A magnitude ML 0.5 earthquake occured in region: 5 km N Ascoli Piceno (AP), on

  • 06-07-2023 22:41:44 (UTC)
  • 07-07-2023 00:41:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8950, 13.5620 at 11 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
Ascoli Piceno AP 5 49407 49407
Venarotta AP 6 2066 51473
Rotella AP 7 906 52379
Castignano AP 7 2796 55175
Roccafluvione AP 8 2010 57185
Palmiano AP 8 196 57381
Appignano del Tronto AP 9 1785 59166
Montedinove AP 9 488 59654
Force AP 10 1354 61008
Folignano AP 10 9241 70249
Montalto delle Marche AP 11 2122 72371
Offida AP 12 5058 77429
Maltignano AP 12 2401 79830
Castel di Lama AP 13 8634 88464
Montefalcone Appennino FM 13 424 88888
Castorano AP 14 2380 91268
Montelparo FM 14 778 92046
Comunanza AP 14 3166 95212
Cossignano AP 14 978 96190
Sant'Egidio alla Vibrata TE 15 9811 106001
Santa Vittoria in Matenano FM 15 1330 107331
Monte Rinaldo FM 15 379 107710
Colli del Tronto AP 15 3668 111378
Smerillo FM 15 365 111743
Ortezzano FM 16 774 112517
Ancarano TE 16 1857 114374
Civitella del Tronto TE 16 5116 119490
Monteleone di Fermo FM 17 395 119885
Spinetoli AP 17 7215 127100
Monte Vidon Combatte FM 18 433 127533
Monte San Martino MC 18 765 128298
Carassai AP 18 1100 129398
Valle Castellana TE 18 977 130375
Acquasanta Terme AP 19 2916 133291
Monsampolo del Tronto AP 19 4611 137902
Montefortino FM 19 1178 139080
Montottone FM 19 979 140059
Montemonaco AP 19 604 140663
Amandola FM 19 3629 144292
Torano Nuovo TE 19 1611 145903
Monsampietro Morico FM 19 659 146562
Montegallo AP 20 523 147085

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)
70 Km E of Foligno (57155 inhabitants)
72 Km NW of Pescara (121014 inhabitants)
78 Km NW of Chieti (51815 inhabitants)
80 Km S of Ancona (100861 inhabitants)
83 Km E of Terni (111501 inhabitants)
98 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 0.5 2023-07-06
22:41:44
42.8953 13.562 11 2023-07-06
23:28:05
Sala Sismica INGV-Roma 119031991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-06 22:41:44 ± 0.18
Latitude 42.8953 ± 0.0108
Longitude 13.5620 ± 0.0135
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119031991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1194
Semi-minor axis of confidence ellipse (meter) 996
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 29
Circular confidence region, given by single value of horizontal uncertainty (meter) 1190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.09893
Epicentral distance of station farthest from the epicenter (degree) 0.37502
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 119031991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-06 23:28:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2023-07-06T22:41:58.38 0.3 undecidable manual S 292 41.625 50 0.38 69
IV.NRCA.HHZ. 2023-07-06T22:41:57.67 0.3 undecidable manual S 259 37.0296 50 0.88 58
IV.CSP1.EHZ. 2023-07-06T22:41:56.60 0.3 undecidable manual S 307 36.2415 50 0.02 74
IV.TERO.HHE. 2023-07-06T22:41:55.42 0.3 undecidable manual S 174 30.4473 50 0.4 70
IV.MMO1.EHZ. 2023-07-06T22:41:52.37 0.3 undecidable manual S 271 19.1697 50 0.36 70
IV.MNTT.EHE. 2023-07-06T22:41:52.76 0.3 undecidable manual S 8 18.6702 50 0.87 61
IV.NRCA.HHZ. 2023-07-06T22:41:51.44 0.1 undecidable manual P 259 37.0296 50 -0.14 97
IV.FDMO.HHZ. 2023-07-06T22:41:51.70 0.1 undecidable manual P 292 41.625 50 -0.57 85
IV.CSP1.EHZ. 2023-07-06T22:41:50.61 0.6 undecidable manual P 307 36.2415 50 -0.85 38
IV.MF5.EHZ. 2023-07-06T22:41:50.61 0.3 undecidable manual S 321 13.1757 130 0.19 73
IV.TERO.HHE. 2023-07-06T22:41:50.22 0.6 undecidable manual P 174 30.4473 50 -0.34 47
IV.OFFI.HHE. 2023-07-06T22:41:50.31 0.3 undecidable manual S 66 10.9779 135 0.46 70
IV.MMO1.EHZ. 2023-07-06T22:41:48.55 0.1 undecidable manual P 271 19.1697 50 -0.26 98
IV.MNTT.EHE. 2023-07-06T22:41:48.24 0.3 undecidable manual P 8 18.6702 50 -0.5 69
IV.MF5.EHZ. 2023-07-06T22:41:47.63 0.1 negative manual P 321 13.1757 130 -0.26 100
IV.OFFI.HHE. 2023-07-06T22:41:46.86 1.0 undecidable manual P 66 10.9779 135 -0.71 22
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.7 0.00001523443 0.2432 AML other m 2023-07-06T22:41:58.61
IV.NRCA.HHN. ML:0.7 0.00001825 0.68 AML other m 2023-07-06T22:41:58.30
IV.FDMO.HHE. ML:0.2 0.0000068048026500000006 0.0896 AML other m 2023-07-06T22:41:59.23
IV.NRCA.HHE. ML:0.4 0.000010435719 0.1408 AML other m 2023-07-06T22:41:57.92
IV.MF5.EHE. ML:0.4 0.000022931575 0.1792 AML other m 2023-07-06T22:41:50.74
IV.MF5.EHN. ML:0.5 0.000028250944999999994 0.384 AML other m 2023-07-06T22:41:50.89
IV.MMO1.EHE. ML:0.1 0.000007613785 0.128 AML other m 2023-07-06T22:41:52.74
IV.MMO1.EHN. ML:0.1 0.000008256654999999999 0.0896 AML other m 2023-07-06T22:41:53.27
IV.CSP1.EHE. ML:0.9 0.000028175740000000005 0.1536 AML other m 2023-07-06T22:41:57.02
IV.CSP1.EHN. ML:0.8 0.000025259595000000004 0.1152 AML other m 2023-07-06T22:41:57.43
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