Earthquake with magnitude of ML 0.9 on date 15-07-2023 and time 01:56:57 (UTC) in region 5 km N Ascoli Piceno (AP)

A magnitude ML 0.9 earthquake occured in region: 5 km N Ascoli Piceno (AP), on

  • 15-07-2023 01:56:57 (UTC)
  • 15-07-2023 03:56:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9000, 13.5820 at 13 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
Castignano AP 6 2796 52203
Rotella AP 6 906 53109
Appignano del Tronto AP 7 1785 54894
Venarotta AP 7 2066 56960
Montedinove AP 8 488 57448
Folignano AP 10 9241 66689
Roccafluvione AP 10 2010 68699
Offida AP 10 5058 73757
Palmiano AP 10 196 73953
Montalto delle Marche AP 10 2122 76075
Force AP 10 1354 77429
Castel di Lama AP 11 8634 86063
Maltignano AP 11 2401 88464
Castorano AP 12 2380 90844
Cossignano AP 13 978 91822
Sant'Egidio alla Vibrata TE 14 9811 101633
Montelparo FM 14 778 102411
Colli del Tronto AP 14 3668 106079
Montefalcone Appennino FM 14 424 106503
Monte Rinaldo FM 14 379 106882
Ancarano TE 15 1857 108739
Ortezzano FM 15 774 109513
Santa Vittoria in Matenano FM 15 1330 110843
Comunanza AP 15 3166 114009
Spinetoli AP 16 7215 121224
Civitella del Tronto TE 16 5116 126340
Smerillo FM 16 365 126705
Carassai AP 17 1100 127805
Monteleone di Fermo FM 17 395 128200
Monsampolo del Tronto AP 17 4611 132811
Monte Vidon Combatte FM 17 433 133244
Torano Nuovo TE 18 1611 134855
Montottone FM 18 979 135834
Ripatransone AP 19 4309 140143
Monte San Martino MC 19 765 140908
Monsampietro Morico FM 19 659 141567
Valle Castellana TE 19 977 142544
Petritoli FM 20 2335 144879
Acquaviva Picena AP 20 3831 148710

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)
63 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)
80 Km S of Ancona (100861 inhabitants)
85 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 0.9 2023-07-15
01:56:57
42.8997 13.5817 13 2023-07-15
02:05:09
Sala Sismica INGV-Roma 119276331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-15 01:56:57 ± 0.16
Latitude 42.8997 ± 0.0054
Longitude 13.5817 ± 0.0110
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119276331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 782
Semi-minor axis of confidence ellipse (meter) 480
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 273
Circular confidence region, given by single value of horizontal uncertainty (meter) 780.0
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 18
Number of defining phases 18
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) 0.04856
Epicentral distance of station farthest from the epicenter (degree) 0.34894
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 119276331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-15 02:05:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-07-15T01:57:10.57 0.6 undecidable manual S 259 38.7279 95 0.68 41
IV.SMA1.EHZ. 2023-07-15T01:57:09.80 0.3 undecidable manual S 214 35.9418 96 0.63 63
IV.CSP1.EHZ. 2023-07-15T01:57:09.50 0.3 undecidable manual S 305 37.2294 95 -0.01 73
IV.TERO.HHZ. 2023-07-15T01:57:08.20 0.3 undecidable manual S 177 30.747 97 0.41 69
IV.MNTT.EHE. 2023-07-15T01:57:05.24 0.3 undecidable manual S 4 18.0708 110 0.77 61
IV.CSP1.EHZ. 2023-07-15T01:57:04.03 0.1 undecidable manual P 305 37.2294 95 -0.23 94
IV.NRCA.HHZ. 2023-07-15T01:57:04.32 0.1 undecidable manual P 259 38.7279 95 -0.16 95
IV.SMA1.EHZ. 2023-07-15T01:57:04.05 0.1 undecidable manual P 214 35.9418 96 -0.01 98
IV.MF5.EHZ. 2023-07-15T01:57:03.64 0.3 undecidable manual S 315 13.875 120 0.17 73
IV.TERO.HHZ. 2023-07-15T01:57:03.14 0.1 undecidable manual P 177 30.747 97 -0.12 96
IV.OFFI.HHZ. 2023-07-15T01:57:02.90 0.3 undecidable manual S 65 9.2796 136 0.4 71
IV.MNTP.HNE. 2023-07-15T01:57:02.46 0.1 undecidable manual P 341 27.9498 99 -0.37 92
IV.MMO1.EHZ. 2023-07-15T01:57:01.53 0.1 undecidable manual P 270 20.6682 105 -0.21 97
IV.ASCOL.EHZ. 2023-07-15T01:57:01.72 0.3 undecidable manual S 173 5.3946 152 -0.16 76
IV.MNTT.EHE. 2023-07-15T01:57:01.25 0.1 undecidable manual P 4 18.0708 110 -0.1 99
IV.OFFI.HHZ. 2023-07-15T01:57:00.07 0.1 positive manual P 65 9.2796 136 -0.14 100
IV.MF5.EHZ. 2023-07-15T01:57:00.60 0.1 undecidable manual P 315 13.875 120 -0.17 99
IV.ASCOL.EHZ. 2023-07-15T01:56:59.58 0.1 undecidable manual P 173 5.3946 152 -0.27 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OFFI.HHE. ML:1.1 0.0001485 0.58 AML other m 2023-07-15T01:57:03.56
IV.OFFI.HHN. ML:1.2 0.000191 1.02 AML other m 2023-07-15T01:57:03.55
IV.TERO.HHE. ML:0.6 0.00001855 0.42 AML other m 2023-07-15T01:57:08.38
IV.TERO.HHN. ML:0.6 0.000021850000000000003 0.54 AML other m 2023-07-15T01:57:08.69
IV.SMA1.EHE. ML:0.8 0.000025050000000000002 0.36 AML other m 2023-07-15T01:57:10.26
IV.SMA1.EHN. ML:1.0 0.0000347 0.3 AML other m 2023-07-15T01:57:10.16
IV.NRCA.HHN. ML:0.8 0.00002155 1.6 AML other m 2023-07-15T01:57:10.92
IV.NRCA.HHE. ML:0.6 0.000016649999999999998 0.44 AML other m 2023-07-15T01:57:11.70
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