Earthquake with magnitude of ML 1.5 on date 06-09-2023 and time 09:42:26 (UTC) in region 2 km NE Opi (AQ)

A magnitude ML 1.5 earthquake occured in region: 2 km NE Opi (AQ), on

  • 06-09-2023 09:42:26 (UTC)
  • 06-09-2023 11:42:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7920, 13.8560 at 16 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
Opi AQ 3 420 420
Pescasseroli AQ 6 2203 2623
Villetta Barrea AQ 6 653 3276
Civitella Alfedena AQ 8 296 3572
San Donato Val di Comino FR 10 2107 5679
Barrea AQ 12 726 6405
Scanno AQ 13 1847 8252
Settefrati FR 14 728 8980
Alvito FR 15 2713 11693
Gallinaro FR 16 1269 12962
Campoli Appennino FR 16 1725 14687
Scontrone AQ 16 574 15261
Picinisco FR 16 1218 16479
Alfedena AQ 16 864 17343
Villalago AQ 16 568 17911
Bisegna AQ 17 223 18134
Posta Fibreno FR 17 1139 19273
Pescosolido FR 17 1555 20828
Vicalvi FR 18 783 21611
Rocca Pia AQ 19 178 21789
Montenero Val Cocchiara IS 19 538 22327
Roccaraso AQ 20 1627 23954
Atina FR 20 4316 28270
Rivisondoli AQ 20 700 28970
Villa Latina FR 20 1241 30211

Municipalities with at least 50000 inhabitants

An earthquake occurred to
67 Km SW of Chieti (51815 inhabitants)
73 Km SE of L'Aquila (69753 inhabitants)
81 Km SW of Pescara (121014 inhabitants)
84 Km S of Montesilvano (53738 inhabitants)
87 Km E of Latina (125985 inhabitants)
89 Km NW of Caserta (76326 inhabitants)
90 Km E of Tivoli (56533 inhabitants)
90 Km E of Velletri (53303 inhabitants)
96 Km NW of Aversa (53047 inhabitants)
96 Km E of Guidonia Montecelio (88673 inhabitants)
97 Km S of Teramo (54892 inhabitants)
100 Km N of Giugliano in Campania (122974 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 1.5 2023-09-06
09:42:26
41.7922 13.8563 16 2023-09-06
09:54:29
Sala Sismica INGV-Roma 120823311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-06 09:42:26 ± 0.09
Latitude 41.7922 ± 0.0045
Longitude 13.8563 ± 0.0048
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120823311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 419
Semi-minor axis of confidence ellipse (meter) 322
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44067
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 120823311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-06 09:54:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
7C.SPAOL.HNZ. 2023-09-06T09:44:23.30 3.0 undecidable manual Sn 0.14 0
CH.FUSIO.HHZ. 2023-09-06T09:44:16.37 3.0 positive manual Pg 21.370001 0
GU.GSCL.HHZ. 2023-09-06T09:44:07.84 3.0 undecidable manual Sn 4.06 0
IV.TDS.HHZ. 2023-09-06T09:43:52.38 3.0 undecidable manual Sg 5.99 0
IV.ESML.HHZ. 2023-09-06T09:43:32.12 3.0 positive manual Pn 1.47 0
IV.CDRU.HHZ. 2023-09-06T09:43:20.81 3.0 undecidable manual Sg 2.37 0
IV.CET2.HHZ. 2023-09-06T09:43:15.26 3.0 undecidable manual Pg 4.97 0
IV.MCRV.HHZ. 2023-09-06T09:43:09.65 3.0 undecidable manual S -1.73 0
IV.SGTA.HHZ. 2023-09-06T09:43:06.78 3.0 undecidable manual S -2.05 0
IV.PIEI.HHZ. 2023-09-06T09:43:01.30 3.0 negative manual Pg 0.95 0
IV.MCRV.HHZ. 2023-09-06T09:42:55.04 3.0 undecidable manual P 3.39 0
IV.ARRO.EHZ. 2023-09-06T09:42:49.71 3.0 undecidable manual P 1.2 0
IV.LRP.EHZ. 2023-09-06T09:42:36.23 0.3 undecidable manual S 234 27.5502 107 0.02 73
IV.INTR.HHZ. 2023-09-06T09:42:35.51 0.6 undecidable manual S 9 24.6531 110 0.03 48
IV.CERA.HHZ. 2023-09-06T09:42:35.63 0.3 undecidable manual S 148 25.3524 109 -0.04 73
IV.T0110.HHZ. 2023-09-06T09:42:35.50 0.3 undecidable manual P 352 48.9177 98 0.28 66
IV.PTQR.HHE. 2023-09-06T09:42:34.56 0.6 undecidable manual P 304 45.4212 98 -0.12 46
IV.POFI.HHZ. 2023-09-06T09:42:33.17 0.6 undecidable manual S 235 14.5743 128 0.06 49
IV.LPEL.HHZ. 2023-09-06T09:42:33.36 0.6 undecidable manual P 44 39.0276 100 -0.35 45
IV.RNI2.HHZ. 2023-09-06T09:42:32.12 0.3 positive manual P 112 26.4513 108 0.31 68
IV.CERA.HHZ. 2023-09-06T09:42:31.50 0.3 undecidable manual P 148 25.3524 109 -0.17 71
IV.LRP.EHZ. 2023-09-06T09:42:31.95 0.1 positive manual P 234 27.5502 107 -0.03 97
IT.OPI.HGZ. 2023-09-06T09:42:31.38 0.3 undecidable manual S 231 2.7972 168 -0.03 75
IV.INTR.HHZ. 2023-09-06T09:42:31.42 0.1 negative manual P 9 24.6531 110 -0.14 95
IV.POFI.HHZ. 2023-09-06T09:42:30.19 0.1 undecidable manual P 235 14.5743 128 0 99
IT.OPI.HGZ. 2023-09-06T09:42:29.28 0.1 undecidable manual P 231 2.7972 168 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.POFI.HHE. ML:0.8 0.000053129495 0.0832 AML other m 2023-09-06T09:42:34.93
IV.POFI.HHN. ML:0.8 0.00005287067 0.1792 AML other m 2023-09-06T09:42:34.51
IV.CERA.HHE. ML:1.6 0.00020649999999999998 0.34 AML other m 2023-09-06T09:42:36.53
IV.CERA.HHN. ML:1.6 0.000188 0.24 AML other m 2023-09-06T09:42:36.43
IV.INTR.HHE. ML:1.6 0.000192 0.18 AML other m 2023-09-06T09:42:36.48
IV.LRP.EHN. ML:0.8 0.00002975 1.24 AML other m 2023-09-06T09:42:37.70
IV.RNI2.HHE. ML:1.9 0.00038607820000000005 0.1984 AML other m 2023-09-06T09:42:37.84
IV.INTR.HHN. ML:1.6 0.000213 1 AML other m 2023-09-06T09:42:37.85
IV.RNI2.HHN. ML:1.8 0.0003255 0.34 AML other m 2023-09-06T09:42:37.23
IV.LRP.EHE. ML:1.2 0.00007445000000000001 0.78 AML other m 2023-09-06T09:42:39.78
IV.LPEL.HHE. ML:1.6 0.00012258985 0.1216 AML other m 2023-09-06T09:42:40.30
IV.LPEL.HHN. ML:1.5 0.0001089614 0.16 AML other m 2023-09-06T09:42:40.02
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