Earthquake with magnitude of ML 1.0 on date 28-07-2024 and time 01:43:36 (UTC) in region 1 km SW Ascoli Piceno (AP)

A magnitude ML 1.0 earthquake occured in region: 1 km SW Ascoli Piceno (AP), on

  • 28-07-2024 01:43:36 (UTC)
  • 28-07-2024 03:43:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8460, 13.5680 at 23 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 1 49407 49407
Folignano AP 6 9241 58648
Venarotta AP 7 2066 60714
Roccafluvione AP 8 2010 62724
Maltignano AP 10 2401 65125
Appignano del Tronto AP 10 1785 66910
Palmiano AP 11 196 67106
Castignano AP 11 2796 69902
Civitella del Tronto TE 11 5116 75018
Castel di Lama AP 12 8634 83652
Rotella AP 12 906 84558
Sant'Egidio alla Vibrata TE 12 9811 94369
Valle Castellana TE 13 977 95346
Montedinove AP 14 488 95834
Offida AP 14 5058 100892
Ancarano TE 14 1857 102749
Castorano AP 14 2380 105129
Force AP 15 1354 106483
Acquasanta Terme AP 15 2916 109399
Colli del Tronto AP 15 3668 113067
Montalto delle Marche AP 16 2122 115189
Campli TE 16 7209 122398
Torano Nuovo TE 17 1611 124009
Spinetoli AP 18 7215 131224
Comunanza AP 18 3166 134390
Rocca Santa Maria TE 18 537 134927
Montefalcone Appennino FM 18 424 135351
Cossignano AP 18 978 136329
Montegallo AP 19 523 136852
Monsampolo del Tronto AP 19 4611 141463
Montelparo FM 20 778 142241

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of Teramo (54892 inhabitants)
57 Km N of L'Aquila (69753 inhabitants)
60 Km NW of Montesilvano (53738 inhabitants)
68 Km NW of Pescara (121014 inhabitants)
71 Km E of Foligno (57155 inhabitants)
74 Km NW of Chieti (51815 inhabitants)
82 Km E of Terni (111501 inhabitants)
86 Km S of Ancona (100861 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 1.0 2024-07-28
01:43:36
42.8455 13.5675 23 2024-07-28
02:13:09
Sala Sismica INGV-Roma 130220071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-07-28 01:43:36 ± 0.4
Latitude 42.8455 ± 0.0153
Longitude 13.5675 ± 0.0258
Depth (km) 23 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 130220071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1889
Semi-minor axis of confidence ellipse (meter) 1326
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 259
Circular confidence region, given by single value of horizontal uncertainty (meter) 1890.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 168
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.16278
Epicentral distance of station farthest from the epicenter (degree) 0.40020
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 130220071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-07-28 02:13:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNTT.EHZ. 2024-07-28T01:43:47.82 0.3 undecidable manual S 5 24.1536 128 0.94 59
IV.MMO1.EHZ. 2024-07-28T01:43:46.46 0.3 undecidable manual S 287 20.4684 133 0.33 73
IV.FDMO.HHZ. 2024-07-28T01:43:45.46 0.6 negative manual P 299 44.4222 110 0.11 49
IV.CSP1.EHZ. 2024-07-28T01:43:44.76 0.6 negative manual P 313 40.1265 113 0.02 50
IV.MF5.EHZ. 2024-07-28T01:43:44.72 0.1 undecidable manual S 331 18.0708 137 -0.96 78
IV.NRCA.HHZ. 2024-07-28T01:43:44.34 1.0 undecidable manual P 268 36.9297 115 0.06 25
IV.GUMA.HHZ. 2024-07-28T01:43:43.33 0.1 undecidable manual P 322 30.5472 120 -0.09 100
IV.SMA1.EHZ. 2024-07-28T01:43:43.51 0.6 negative manual P 218 30.4473 121 0.11 50
IV.MMO1.EHZ. 2024-07-28T01:43:42.03 0.6 positive manual P 287 20.4684 133 -0.13 51
IV.MNTT.EHZ. 2024-07-28T01:43:42.47 0.1 undecidable manual P 5 24.1536 128 -0.12 100
IV.TERO.HHZ. 2024-07-28T01:43:42.94 0.1 undecidable manual P 173 24.8529 127 0.25 99
IV.MF5.EHZ. 2024-07-28T01:43:41.61 0.6 negative manual P 331 18.0708 137 -0.29 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHE. ML:0.9 0.0000348 1.72 AML other m 2024-07-28T01:43:46.00
IV.MNTT.EHN. ML:1.2 0.0000673 0.32 AML other m 2024-07-28T01:43:48.12
IV.MNTT.EHE. ML:1.2 0.00007855000000000001 0.54 AML other m 2024-07-28T01:43:48.44
IV.TERO.HHN. ML:0.5 0.00001525 0.5 AML other m 2024-07-28T01:43:48.89
IV.SMA1.EHE. ML:0.8 0.000024849999999999998 0.68 AML other m 2024-07-28T01:43:49.42
IV.SMA1.EHN. ML:1.1 0.0000426 1.22 AML other m 2024-07-28T01:43:49.31
IV.GUMA.HHN. ML:1.1 0.0000459 0.48 AML other m 2024-07-28T01:43:50.29
IV.GUMA.HHE. ML:1.1 0.0000431 0.38 AML other m 2024-07-28T01:43:50.33
IV.NRCA.HHN. ML:1.0 0.000036049999999999995 0.7 AML other m 2024-07-28T01:43:51.58
IV.NRCA.HHE. ML:1.1 0.00003795 0.12 AML other m 2024-07-28T01:43:52.40
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