Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 08-06-2023 and time 17:04:04 (UTC) in region 9 km NW Arquata del Tronto (AP)

A magnitude ML 1.3 earthquake occured in region: 9 km NW Arquata del Tronto (AP), on

  • 08-06-2023 17:04:04 (UTC)
  • 08-06-2023 19:04:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8200, 13.2080 at 9 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.

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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 9 1178 1178
Castelsantangelo sul Nera MC 10 281 1459
Norcia PG 10 4957 6416
Montegallo AP 11 523 6939
Montemonaco AP 13 604 7543
Accumoli RI 14 667 8210
Ussita MC 15 444 8654
Preci PG 15 724 9378
Visso MC 16 1107 10485
Acquasanta Terme AP 17 2916 13401
Montefortino FM 18 1178 14579
Cascia PG 19 3217 17796
Bolognola MC 20 142 17938

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
44 Km W of Teramo (54892 inhabitants)
54 Km NE of Terni (111501 inhabitants)
54 Km N of L'Aquila (69753 inhabitants)
74 Km E of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
91 Km W of Pescara (121014 inhabitants)
92 Km S of Ancona (100861 inhabitants)
94 Km NW of Chieti (51815 inhabitants)
99 Km NE of Guidonia Montecelio (88673 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 1.3 2023-06-08
17:04:04		 42.8198 13.2085 9 2023-06-08
17:14:52		 Sala Sismica INGV-Roma 118220331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-08 17:04:04 ± 0.12
Latitude 42.8198 ± 0.0063
Longitude 13.2085 ± 0.0074
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118220331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 671
Semi-minor axis of confidence ellipse (meter) 363
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 12
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 15
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) 0.51531
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 118220331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-08 17:14:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2023-06-08T17:04:17.36 0.1 undecidable manual S 330 37.8288 50 0.11 97
IV.CESI.HHZ. 2023-06-08T17:04:16.14 0.3 undecidable manual S 310 32.1456 105 0.43 69
IV.MF5.EHZ. 2023-06-08T17:04:14.89 0.3 undecidable manual S 48 27.6501 107 0.67 64
IV.EL6.EHZ. 2023-06-08T17:04:14.56 0.3 undecidable manual P 351 57.1983 50 -0.15 70
IV.ASSB.HHZ. 2023-06-08T17:04:14.10 3.0 negative manual Pn -0.01 0
IV.FDMO.HHZ. 2023-06-08T17:04:13.36 0.3 undecidable manual S 338 25.9518 108 -0.31 71
IV.RM33.EHZ. 2023-06-08T17:04:11.50 0.1 undecidable manual P 179 34.5432 50 0.29 94
IV.TERO.HHZ. 2023-06-08T17:04:11.57 0.1 undecidable manual P 124 38.9277 50 -0.32 93
IV.MML1.EHZ. 2023-06-08T17:04:11.46 0.3 undecidable manual P 330 37.8288 50 -0.26 70
IV.MF5.EHZ. 2023-06-08T17:04:10.20 0.1 undecidable manual P 48 27.6501 107 0.23 96
IV.CESI.HHZ. 2023-06-08T17:04:10.84 0.1 undecidable manual P 310 32.1456 105 0.01 100
IV.FDMO.HHZ. 2023-06-08T17:04:09.46 0.3 undecidable manual P 338 25.9518 108 -0.19 73
IV.MMO1.EHZ. 2023-06-08T17:04:09.27 0.3 undecidable manual S 47 13.0758 124 -0.34 72
IV.NRCA.HHZ. 2023-06-08T17:04:08.13 0.3 undecidable manual S 281 7.7811 138 -0.09 77
IV.MMO1.EHZ. 2023-06-08T17:04:07.14 0.3 undecidable manual P 47 13.0758 124 -0.17 75
IV.NRCA.HHZ. 2023-06-08T17:04:06.60 0.3 undecidable manual P 281 7.7811 138 0.09 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2.0 0.0017200000000000002 0.86 AML other m 2023-06-08T17:04:08.42
IV.NRCA.HNE. ML:2.0 0.0014849999999999998 0.16 AML other m 2023-06-08T17:04:08.93
IV.NRCA.HHN. ML:2.1 0.00221 1.16 AML other m 2023-06-08T17:04:08.40
IV.NRCA.HNN. ML:2.1 0.002075 1.18 AML other m 2023-06-08T17:04:08.40
IV.MMO1.EHN. ML:1.6 0.0004505 0.36 AML other m 2023-06-08T17:04:10.50
IV.MMO1.EHE. ML:1.3 0.0002295 1.42 AML other m 2023-06-08T17:04:12.09
IV.FDMO.HHN. ML:1.2 0.00008615000000000001 1.44 AML other m 2023-06-08T17:04:14.93
IV.FDMO.HHE. ML:1.1 0.00007235 0.22 AML other m 2023-06-08T17:04:16.07
IV.CESI.HHN. ML:1.5 0.00013900000000000002 0.24 AML other m 2023-06-08T17:04:16.38
IV.CESI.HHE. ML:1.2 0.00007175 0.42 AML other m 2023-06-08T17:04:17.06
IV.TERO.HHE. ML:1.0 0.0000407 0.46 AML other m 2023-06-08T17:04:17.58
IV.RM33.EHN. ML:1.0 0.000045249999999999995 1.08 AML other m 2023-06-08T17:04:18.85
IV.TERO.HHN. ML:1.0 0.00003565 1.16 AML other m 2023-06-08T17:04:18.16
IV.MML1.EHE. ML:1.1 0.000044 1.78 AML other m 2023-06-08T17:04:19.93
IV.RM33.EHE. ML:1.0 0.00004405 0.42 AML other m 2023-06-08T17:04:19.61
IV.MML1.EHN. ML:1.1 0.000045549999999999996 0.92 AML other m 2023-06-08T17:04:19.27
IV.MF5.EHN. ML:1.3 0.0000981 0.5 AML other m 2023-06-08T17:04:21.72
IV.MF5.EHE. ML:1.2 0.0000908 0.42 AML other m 2023-06-08T17:04:21.49
IV.ASSB.HHE. ML:1.1 0.00003095 1.1 AML other m 2023-06-08T17:04:22.72
IV.ASSB.HHN. ML:1.1 0.0000339 0.62 AML other m 2023-06-08T17:04:23.17
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