Earthquake with magnitude of ML 0.7 on date 04-08-2024 and time 22:17:17 (Italy) in region 7 km NW Arquata del Tronto (AP)

A magnitude ML 0.7 earthquake occured in region: 7 km NW Arquata del Tronto (AP), on

  • 04-08-2024 20:17:17 (UTC)
  • 04-08-2024 22:17:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8080, 13.2230 at 8 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
Arquata del Tronto AP 7 1178 1178
Montegallo AP 10 523 1701
Norcia PG 11 4957 6658
Castelsantangelo sul Nera MC 11 281 6939
Accumoli RI 13 667 7606
Montemonaco AP 13 604 8210
Acquasanta Terme AP 16 2916 11126
Ussita MC 17 444 11570
Preci PG 17 724 12294
Visso MC 18 1107 13401
Montefortino FM 18 1178 14579
Cascia PG 20 3217 17796

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
45 Km E of Foligno (57155 inhabitants)
53 Km N of L'Aquila (69753 inhabitants)
55 Km NE of Terni (111501 inhabitants)
76 Km E of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
90 Km W of Pescara (121014 inhabitants)
93 Km NW of Chieti (51815 inhabitants)
93 Km S of Ancona (100861 inhabitants)
99 Km NE of Guidonia Montecelio (88673 inhabitants)
100 Km NE of Tivoli (56533 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 0.7 2024-08-04
20:17:17
42.8085 13.2232 8 2024-08-04
20:55:26
Sala Sismica INGV-Roma 130414661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-08-04 20:17:17 ± 0.2
Latitude 42.8085 ± 0.0045
Longitude 13.2232 ± 0.0061
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 130414661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 529
Semi-minor axis of confidence ellipse (meter) 205
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 152
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28329
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 130414661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-08-04 20:55:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2024-08-04T20:18:49.14 3.0 undecidable manual Pg 22.93 0
XE.MORMA.HHZ. 2024-08-04T20:18:44.31 3.0 undecidable manual Sn -3.04 0
GU.RORO.HHZ. 2024-08-04T20:18:43.92 3.0 undecidable manual Sg 15.94 0
IV.AGLI.HHZ. 2024-08-04T20:18:39.58 3.0 undecidable manual Sg 18.309999 0
NI.POLC.HHZ. 2024-08-04T20:18:33.89 3.0 undecidable manual Sg 9.51 0
IV.GRI.EHZ. 2024-08-04T20:18:09.69 3.0 negative manual Pn 1.61 0
3Q.T1812.EHZ.00 2024-08-04T20:18:09.71 3.0 undecidable manual Pn 7.68 0
IV.PE3.EHZ. 2024-08-04T20:17:47.89 3.0 undecidable manual Sg 0.14 0
IV.MURB.HHZ. 2024-08-04T20:17:45.70 3.0 undecidable manual Sg 0.46 0
IV.SACS.HHZ. 2024-08-04T20:17:44.64 3.0 undecidable manual Sg -0.23 0
MN.TRI.HHZ. 2024-08-04T20:17:40.74 3.0 undecidable manual Pn -0.08 0
OT.OT17.EHZ. 2024-08-04T20:17:38.40 3.0 negative manual Pn 1.2 0
IV.MF5.EHZ. 2024-08-04T20:17:28.00 0.6 undecidable manual S 44 27.6501 107 0.39 91
IV.CSP1.EHZ. 2024-08-04T20:17:28.85 0.6 undecidable manual S 357 31.4463 105 -0.03 98
IV.BDI.HHZ. 2024-08-04T20:17:28.61 3.0 undecidable manual Pn 1.18 0
IV.FDMO.HHZ. 2024-08-04T20:17:27.72 0.6 undecidable manual S 336 27.5502 107 0.13 97
IV.MF5.EHZ. 2024-08-04T20:17:23.28 1.0 undecidable manual P 44 27.6501 107 -0.09 49
IV.FDMO.HHZ. 2024-08-04T20:17:23.35 1.0 positive manual P 336 27.5502 107 -0.01 50
IV.CSP1.EHZ. 2024-08-04T20:17:23.76 1.0 negative manual P 357 31.4463 105 -0.35 46
IV.NRCA.HHZ. 2024-08-04T20:17:22.03 0.6 undecidable manual S 287 9.2796 132 0.12 100
IV.MMO1.EHZ. 2024-08-04T20:17:22.76 0.6 undecidable manual S 40 13.1757 122 -0.22 97
IV.SMA1.EHZ. 2024-08-04T20:17:22.35 0.6 positive manual P 155 21.7671 111 0.1 98
IV.CSNT.HHZ. 2024-08-04T20:17:21.52 3.0 undecidable manual P -0.57 0
IV.MMO1.EHZ. 2024-08-04T20:17:20.38 1.0 undecidable manual P 40 13.1757 122 -0.32 48
IV.NRCA.HHZ. 2024-08-04T20:17:19.96 0.6 undecidable manual P 287 9.2796 132 -0.12 100
IV.SSFR.HNZ. 2024-08-04T20:17:18.93 3.0 undecidable manual P -2.02 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.7 0.0000821 0.14 AML other m 2024-08-04T20:17:22.23
IV.NRCA.HHE. ML:0.7 0.00007565 0.66 AML other m 2024-08-04T20:17:22.22
IV.SMA1.EHN. ML:0.0 0.0000205 1.32 AML other m 2024-08-04T20:17:28.33
IV.SMA1.EHE. ML:0.0 0.0000186 1.4 AML other m 2024-08-04T20:17:38.94
IV.NRCA.HNE. ML:0.9 0.000124624025 1.79 AML other m 2024-08-04T20:17:23.12
IV.NRCA.HNN. ML:0.8 0.00009385995499999999 0.86 AML other m 2024-08-04T20:17:22.17
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