Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 11-06-2023 and time 08:25:01 (Italy) in region 3 km E Valle Castellana (TE)

A magnitude ML 0.8 earthquake occured in region: 3 km E Valle Castellana (TE), on

  • 11-06-2023 06:25:01 (UTC)
  • 11-06-2023 08:25:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7450, 13.5380 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.

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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
Valle Castellana TE 3 977 977
Rocca Santa Maria TE 7 537 1514
Acquasanta Terme AP 11 2916 4430
Civitella del Tronto TE 11 5116 9546
Folignano AP 12 9241 18787
Campli TE 12 7209 25996
Ascoli Piceno AP 13 49407 75403
Torricella Sicura TE 14 2641 78044
Cortino TE 14 656 78700
Roccafluvione AP 14 2010 80710
Maltignano AP 16 2401 83111
Venarotta AP 16 2066 85177
Teramo TE 17 54892 140069
Sant'Egidio alla Vibrata TE 17 9811 149880
Palmiano AP 18 196 150076
Montorio al Vomano TE 20 8218 158294
Ancarano TE 20 1857 160151
Arquata del Tronto AP 20 1178 161329
Castel di Lama AP 20 8634 169963
Montegallo AP 20 523 170486

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of Teramo (54892 inhabitants)
45 Km N of L'Aquila (69753 inhabitants)
56 Km W of Montesilvano (53738 inhabitants)
64 Km W of Pescara (121014 inhabitants)
68 Km NW of Chieti (51815 inhabitants)
72 Km E of Foligno (57155 inhabitants)
76 Km E of Terni (111501 inhabitants)
97 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 0.8 2023-06-11
06:25:01		 42.7453 13.5382 11 2023-06-11
06:40:02		 Sala Sismica INGV-Roma 118293981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-11 06:25:01 ± 0.09
Latitude 42.7453 ± 0.0045
Longitude 13.5382 ± 0.0110
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 118293981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 882
Semi-minor axis of confidence ellipse (meter) 556
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 99
Circular confidence region, given by single value of horizontal uncertainty (meter) 880.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 171
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33545
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 118293981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-11 06:40:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LAV9.HNZ. 2023-06-11T06:25:44.23 3.0 undecidable manual S 0.6 0
IV.LPEL.HHZ. 2023-06-11T06:25:31.70 3.0 undecidable manual S -0.66 0
IV.NRCA.HHZ. 2023-06-11T06:25:13.58 0.3 undecidable manual S 286 35.8419 50 0.05 72
IV.RM33.EHZ. 2023-06-11T06:25:13.87 0.3 undecidable manual S 225 37.2294 50 -0.02 72
7F.SIB1.EHZ. 2023-06-11T06:25:11.54 0.3 undecidable manual S 307 27.3504 50 0.27 70
IV.MF5.EHZ. 2023-06-11T06:25:11.66 0.3 undecidable manual S 347 27.6501 50 0.32 69
IV.MMO1.EHZ. 2023-06-11T06:25:10.42 0.3 undecidable manual S 315 24.2535 50 -0.01 74
IV.NRCA.HHZ. 2023-06-11T06:25:08.10 0.1 undecidable manual P 286 35.8419 50 -0.34 91
IV.RM33.EHZ. 2023-06-11T06:25:08.91 0.3 undecidable manual P 225 37.2294 50 0.27 69
IV.MF5.EHZ. 2023-06-11T06:25:07.06 0.1 undecidable manual P 347 27.6501 50 -0.11 96
IV.TERO.HHZ. 2023-06-11T06:25:07.90 0.3 undecidable manual S 158 14.5743 127 0.1 74
IV.MMO1.EHZ. 2023-06-11T06:25:06.47 0.1 undecidable manual P 315 24.2535 50 -0.17 96
7F.SIB1.EHZ. 2023-06-11T06:25:06.96 0.1 undecidable manual P 307 27.3504 50 -0.17 95
IV.TERO.HHZ. 2023-06-11T06:25:05.09 0.1 undecidable manual P 158 14.5743 127 -0.04 100
IV.MTRA.HNZ. 2023-06-11T06:25:04.79 0.3 undecidable manual P 276 11.5773 133 0.12 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:1.0 0.000083942915 0.0576 AML other m 2023-06-11T06:25:08.15
IV.TERO.HHE. ML:0.8 0.00005710309 0.08 AML other m 2023-06-11T06:25:08.27
IV.MMO1.EHE. ML:0.7 0.000030915 0.2 AML other m 2023-06-11T06:25:11.24
IV.MMO1.EHN. ML:0.8 0.00004176055 0.08 AML other m 2023-06-11T06:25:10.63
IV.RM33.EHN. ML:0.7 0.0000223 1.62 AML other m 2023-06-11T06:25:14.06
IV.RM33.EHE. ML:0.8 0.00002735 0.56 AML other m 2023-06-11T06:25:15.41
IV.NRCA.HHE. ML:0.6 0.000015721344999999998 0.1408 AML other m 2023-06-11T06:25:14.85
IV.NRCA.HHN. ML:0.6 0.000012848325 0.1408 AML other m 2023-06-11T06:25:14.04
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