Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 09-06-2023 and time 14:21:59 (UTC) in region 5 km E Valle Castellana (TE)

A magnitude ML 1.4 earthquake occured in region: 5 km E Valle Castellana (TE), on

  • 09-06-2023 14:21:59 (UTC)
  • 09-06-2023 16:21:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7350, 13.5590 at 17 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 5 977 977
Rocca Santa Maria TE 6 537 1514
Civitella del Tronto TE 10 5116 6630
Campli TE 11 7209 13839
Folignano AP 11 9241 23080
Torricella Sicura TE 12 2641 25721
Acquasanta Terme AP 13 2916 28637
Cortino TE 13 656 29293
Ascoli Piceno AP 13 49407 78700
Teramo TE 15 54892 133592
Maltignano AP 15 2401 135993
Roccafluvione AP 16 2010 138003
Sant'Egidio alla Vibrata TE 17 9811 147814
Venarotta AP 17 2066 149880
Montorio al Vomano TE 18 8218 158098
Ancarano TE 19 1857 159955
Castel di Lama AP 20 8634 168589

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NW of Teramo (54892 inhabitants)
45 Km NE of L'Aquila (69753 inhabitants)
54 Km W of Montesilvano (53738 inhabitants)
61 Km W of Pescara (121014 inhabitants)
66 Km NW of Chieti (51815 inhabitants)
74 Km E of Foligno (57155 inhabitants)
77 Km E of Terni (111501 inhabitants)
98 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 1.4 2023-06-09
14:21:59		 42.7347 13.5592 17 2023-06-09
14:33:26		 Sala Sismica INGV-Roma 118243561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-09 14:21:59 ± 0.25
Latitude 42.7347 ± 0.0054
Longitude 13.5592 ± 0.0233
Depth (km) 17 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118243561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1576
Semi-minor axis of confidence ellipse (meter) 1017
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 84
Circular confidence region, given by single value of horizontal uncertainty (meter) 1580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34084
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 118243561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-09 14:33:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GATE.HHZ. 2023-06-09T14:22:51.50 3.0 undecidable manual Sg -1.15 0
IV.GIUL.HHZ. 2023-06-09T14:22:38.75 3.0 undecidable manual Sg -3.27 0
IV.GATE.HHZ. 2023-06-09T14:22:30.53 3.0 positive manual Pg 1.14 0
IV.FIAM.HHZ. 2023-06-09T14:22:16.41 3.0 undecidable manual Sn -4.24 0
IV.GIGS.HHZ. 2023-06-09T14:22:10.17 0.6 undecidable manual S 178 31.2465 108 -0.01 49
IV.MF5.EHZ. 2023-06-09T14:22:09.92 0.6 undecidable manual S 344 29.2485 109 0.25 47
IV.CAMP.HHZ. 2023-06-09T14:22:08.78 0.6 undecidable manual S 209 25.2525 113 0.11 49
IV.CSP1.EHZ. 2023-06-09T14:22:07.87 3.0 positive manual Pg -0.88 0
IV.GUMA.HHZ. 2023-06-09T14:22:06.93 3.0 negative manual Pg -0.38 0
IV.TERO.HHZ. 2023-06-09T14:22:06.07 0.6 undecidable manual S 164 12.9759 136 0.13 50
IV.RM33.EHZ. 2023-06-09T14:22:06.44 0.6 positive manual P 228 37.629 104 -0.02 49
IV.NRCA.HHZ. 2023-06-09T14:22:06.27 0.3 undecidable manual P 287 37.8288 104 -0.22 71
IV.MF5.EHZ. 2023-06-09T14:22:05.22 0.3 positive manual P 344 29.2485 109 0.01 74
IV.ASCOL.EHZ. 2023-06-09T14:22:05.37 0.6 undecidable manual S 11 13.1757 135 -0.62 44
IV.GIGS.HHZ. 2023-06-09T14:22:05.33 0.3 undecidable manual P 178 31.2465 108 -0.18 71
IV.CAMP.HHZ. 2023-06-09T14:22:04.64 0.1 positive manual P 209 25.2525 113 0 100
IV.TERO.HHZ. 2023-06-09T14:22:03.14 0.6 undecidable manual P 164 12.9759 136 0.08 51
IV.ASCOL.EHZ. 2023-06-09T14:22:03.90 0.6 undecidable manual P 11 13.1757 135 0.81 41
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:1.8 0.0004645958 0.0576 AML other m 2023-06-09T14:22:06.27
IV.TERO.HNN. ML:1.8 0.00047897475 0.0704 AML other m 2023-06-09T14:22:06.27
IV.TERO.HHE. ML:1.6 0.00027642424999999997 0.0768 AML other m 2023-06-09T14:22:06.34
IV.TERO.HNE. ML:1.5 0.000259216335 0.1472 AML other m 2023-06-09T14:22:06.34
IV.NRCA.HHN. ML:1.2 0.000051200000000000004 1.34 AML other m 2023-06-09T14:22:12.94
IV.RM33.EHN. ML:1.0 0.000034298905000000005 0.1408 AML other m 2023-06-09T14:22:13.24
IV.RM33.EHE. ML:1.0 0.0000351 0.86 AML other m 2023-06-09T14:22:13.22
IV.NRCA.HHE. ML:1.1 0.00003952333 0.1024 AML other m 2023-06-09T14:22:14.01
IV.MF5.EHE. ML:0.8 0.00002991190659 0.3584 AML other m 2023-06-09T14:22:10.23
IV.MF5.EHN. ML:1.0 0.0000440608955 0.3776 AML other m 2023-06-09T14:22:10.16
IV.NRCA.HNE. ML:1.4 0.00008711178 0.5888 AML other m 2023-06-09T14:22:20.60
IV.NRCA.HNN. ML:1.7 0.00016454705 0.7104 AML other m 2023-06-09T14:22:15.59
IV.RM33.HNE. ML:1.7 0.00015926645499999997 0.672 AML other m 2023-06-09T14:22:22.31
IV.RM33.HNN. ML:1.8 0.0002138426 0.96 AML other m 2023-06-09T14:22:11.73
IV.GUMA.HNE. ML:1.5 0.00011031972000000001 0.2304 AML other m 2023-06-09T14:22:08.20
IV.GUMA.HNN. ML:1.5 0.00010915569 0.928 AML other m 2023-06-09T14:22:10.02
IV.GUMA.HHE. ML:1.2 0.000052622925 0.3392 AML other m 2023-06-09T14:22:20.78
IV.GUMA.HHN. ML:1.0 0.000036754430000000004 0.5568 AML other m 2023-06-09T14:22:19.13
IV.CSP1.EHE. ML:1.2 0.00004642242 0.2048 AML other m 2023-06-09T14:22:15.28
IV.CSP1.EHN. ML:1.4 0.00006981176499999999 0.1984 AML other m 2023-06-09T14:22:15.16
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