Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 07-06-2023 and time 01:00:26 (Italy) in region 5 km E Valle Castellana (TE)

A magnitude ML 1.1 earthquake occured in region: 5 km E Valle Castellana (TE), on

  • 06-06-2023 23:00:26 (UTC)
  • 07-06-2023 01:00:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7380, 13.5540 at 15 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
Acquasanta Terme AP 12 2916 25996
Torricella Sicura TE 12 2641 28637
Ascoli Piceno AP 13 49407 78044
Cortino TE 13 656 78700
Teramo TE 15 54892 133592
Maltignano AP 15 2401 135993
Roccafluvione AP 15 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
Palmiano AP 20 196 168785

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NW of Teramo (54892 inhabitants)
45 Km N of L'Aquila (69753 inhabitants)
55 Km W of Montesilvano (53738 inhabitants)
62 Km W of Pescara (121014 inhabitants)
66 Km NW of Chieti (51815 inhabitants)
73 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 1.1 2023-06-06
23:00:26		 42.7383 13.5538 15 2023-06-06
23:16:41		 Sala Sismica INGV-Roma 118162831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-06 23:00:26 ± 0.15
Latitude 42.7383 ± 0.0045
Longitude 13.5538 ± 0.0098
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118162831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 684
Semi-minor axis of confidence ellipse (meter) 560
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45326
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 118162831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-06 23:16:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2023-06-06T23:00:42.00 0.1 undecidable manual S 311 50.3163 97 0.04 94
IV.CSP1.EHZ. 2023-06-06T23:00:41.76 0.1 undecidable manual S 324 48.4182 97 0.31 89
IV.GUMA.HHZ. 2023-06-06T23:00:40.00 0.3 undecidable manual S 334 40.1265 99 0.74 60
IV.RM33.EHZ. 2023-06-06T23:00:38.91 0.1 undecidable manual S 228 37.629 100 0.31 90
IV.NRCA.HHZ. 2023-06-06T23:00:38.41 0.1 undecidable manual S 287 37.3293 100 -0.11 95
IV.GIGS.HHZ. 2023-06-06T23:00:36.88 0.1 undecidable manual S 177 31.6461 103 -0.16 94
7F.SIB2.EHZ. 2023-06-06T23:00:35.48 0.1 undecidable manual S 310 26.4513 107 -0.22 94
IV.MMO1.EHZ. 2023-06-06T23:00:35.44 0.1 undecidable manual S 314 25.6521 108 -0.06 97
7F.SIB3.EHZ. 2023-06-06T23:00:35.82 0.1 undecidable manual S 303 27.6501 106 -0.18 95
IV.FDMO.HHZ. 2023-06-06T23:00:34.85 0.6 negative manual P 311 50.3163 97 -0.36 44
IV.CSP1.EHZ. 2023-06-06T23:00:34.68 0.1 undecidable manual P 324 48.4182 97 -0.24 90
IV.NRCA.HHZ. 2023-06-06T23:00:33.05 0.6 undecidable manual P 287 37.3293 100 -0.18 47
IV.RM33.EHZ. 2023-06-06T23:00:33.23 1.0 negative manual P 228 37.629 100 -0.05 24
IV.GUMA.HHZ. 2023-06-06T23:00:33.76 1.0 positive manual P 334 40.1265 99 0.1 24
IV.MTRA.EHN. 2023-06-06T23:00:32.44 0.1 undecidable manual S 279 12.9759 131 -0.06 100
IV.ASCOL.EHN. 2023-06-06T23:00:32.17 0.1 undecidable manual S 13 12.876 131 -0.31 94
IV.TERO.HHZ. 2023-06-06T23:00:32.88 0.1 undecidable manual S 162 13.4754 129 0.28 96
7F.SIB1.EHN. 2023-06-06T23:00:32.78 0.1 undecidable manual P 307 28.8489 105 0.82 78
IV.GIGS.HHZ. 2023-06-06T23:00:32.12 0.6 negative manual P 177 31.6461 103 -0.26 46
IV.MMO1.EHZ. 2023-06-06T23:00:31.33 0.6 undecidable manual P 314 25.6521 108 -0.16 48
7F.SIB3.EHZ. 2023-06-06T23:00:31.58 0.1 undecidable manual P 303 27.6501 106 -0.19 94
IV.OFFI.HHZ. 2023-06-06T23:00:31.82 0.3 positive manual P 26 24.3534 109 0.54 67
7F.SIB2.EHZ. 2023-06-06T23:00:31.32 0.1 undecidable manual P 310 26.4513 107 -0.28 93
IV.MTRA.EHN. 2023-06-06T23:00:29.86 0.3 undecidable manual P 279 12.9759 131 0.1 74
IV.ASCOL.EHN. 2023-06-06T23:00:29.49 0.1 undecidable manual P 13 12.876 131 -0.25 95
IV.TERO.HHZ. 2023-06-06T23:00:29.91 0.1 undecidable manual P 162 13.4754 129 0.1 100
IV.CAMP.HHZ. 2023-06-06T23:00:28.22 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:1.4 0.00023188029999999998 0.064 AML other m 2023-06-06T23:00:33.00
IV.TERO.HHE. ML:1.3 0.000148615675 0.1408 AML other m 2023-06-06T23:00:33.07
IV.MMO1.EHE. ML:1.0 0.000057040245 0.1024 AML other m 2023-06-06T23:00:35.50
IV.MMO1.EHN. ML:0.8 0.00003459937 0.32 AML other m 2023-06-06T23:00:36.70
IV.GIGS.HHN. ML:0.4 0.000010961225000000001 0.0896 AML other m 2023-06-06T23:00:36.89
IV.GIGS.HHE. ML:0.9 0.00003575 0.08 AML other m 2023-06-06T23:00:37.05
IV.NRCA.HHN. ML:1.1 0.000042838614999999994 0.1408 AML other m 2023-06-06T23:00:38.87
IV.NRCA.HHE. ML:1.0 0.00004235 0.1 AML other m 2023-06-06T23:00:39.25
IV.RM33.EHN. ML:0.6 0.000016421003 0.1792 AML other m 2023-06-06T23:00:39.10
IV.RM33.EHE. ML:0.8 0.00002245 1.14 AML other m 2023-06-06T23:00:39.41
IV.GUMA.HHE. ML:1.1 0.0000394 0.34 AML other m 2023-06-06T23:00:40.02
IV.GUMA.HHN. ML:1.0 0.00003181200500000001 0.2944 AML other m 2023-06-06T23:00:41.15
IV.FDMO.HHN. ML:0.6 0.00001137 0.44 AML other m 2023-06-06T23:00:42.43
IV.FDMO.HHE. ML:0.8 0.000013889999999999999 0.94 AML other m 2023-06-06T23:00:42.32
IV.TERO.HNE. ML:1.3 0.0001563448 0.064 AML other m 2023-06-06T23:00:33.02
IV.TERO.HNN. ML:1.4 0.0002211138 0.064 AML other m 2023-06-06T23:00:32.98
IV.RM33.HNE. ML:1.6 0.00014264835 0.7808 AML other m 2023-06-06T23:00:38.03
IV.CSP1.EHE. ML:1.4 0.0000679298805 0.256 AML other m 2023-06-06T23:00:42.00
IV.CSP1.EHN. ML:1.4 0.000061574005 0.2432 AML other m 2023-06-06T23:00:42.07
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