Earthquake with magnitude of ML 1.1 on date 25-06-2023 and time 15:55:33 (Italy) in region 1 km NE Posta Fibreno (FR)

A magnitude ML 1.1 earthquake occured in region: 1 km NE Posta Fibreno (FR), on

  • 25-06-2023 13:55:33 (UTC)
  • 25-06-2023 15:55:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7010, 13.7090 at 8 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
Posta Fibreno FR 1 1139 1139
Vicalvi FR 3 783 1922
Alvito FR 3 2713 4635
Fontechiari FR 4 1303 5938
Campoli Appennino FR 5 1725 7663
Broccostella FR 6 2741 10404
Pescosolido FR 7 1555 11959
Casalvieri FR 8 2698 14657
Sora FR 8 26144 40801
San Donato Val di Comino FR 9 2107 42908
Gallinaro FR 9 1269 44177
Casalattico FR 9 574 44751
Arpino FR 10 7262 52013
Isola del Liri FR 11 11715 63728
Atina FR 12 4316 68044
Settefrati FR 12 728 68772
Santopadre FR 12 1357 70129
Castelliri FR 13 3454 73583
Opi AQ 13 420 74003
Pescasseroli AQ 14 2203 76206
Villa Latina FR 14 1241 77447
Picinisco FR 15 1218 78665
Belmonte Castello FR 16 739 79404
Rocca d'Arce FR 16 959 80363
Fontana Liri FR 17 2953 83316
Balsorano AQ 17 3569 86885
Arce FR 17 5756 92641
Roccasecca FR 17 7365 100006
Colle San Magno FR 17 699 100705
Terelle FR 17 422 101127
Monte San Giovanni Campano FR 17 12929 114056
Colfelice FR 18 1932 115988
Castrocielo FR 19 3965 119953
Villavallelonga AQ 20 919 120872

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km E of Latina (125985 inhabitants)
77 Km SE of L'Aquila (69753 inhabitants)
77 Km E of Velletri (53303 inhabitants)
81 Km E of Tivoli (56533 inhabitants)
82 Km SW of Chieti (51815 inhabitants)
87 Km NW of Caserta (76326 inhabitants)
88 Km E of Guidonia Montecelio (88673 inhabitants)
89 Km E of Aprilia (73446 inhabitants)
91 Km NW of Aversa (53047 inhabitants)
94 Km E of Anzio (54211 inhabitants)
95 Km SW of Pescara (121014 inhabitants)
95 Km NW of Giugliano in Campania (122974 inhabitants)
98 Km SW of Montesilvano (53738 inhabitants)
98 Km NW of Marano di Napoli (59874 inhabitants)
100 Km NW of Afragola (65057 inhabitants)
100 Km NW of Pozzuoli (81661 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 2023-06-25
13:55:33
41.7012 13.709 9 2023-06-25
14:01:19
Sala Sismica INGV-Roma 118715751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-25 13:55:33 ± 0.1
Latitude 41.7012 ± 0.0054
Longitude 13.7090 ± 0.0072
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 118715751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 640
Semi-minor axis of confidence ellipse (meter) 165
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 263
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.01619
Epicentral distance of station farthest from the epicenter (degree) 0.36782
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 118715751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-25 14:01:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHZ. 2023-06-25T13:55:46.08 0.6 undecidable manual S 25 38.0286 50 -0.15 47
IV.CERA.HNZ. 2023-06-25T13:55:43.73 0.6 undecidable manual S 114 28.0497 107 0.51 44
IV.MCI.EHZ. 2023-06-25T13:55:42.36 0.6 undecidable manual S 160 24.8529 109 0.21 47
IV.GIUL.HHZ. 2023-06-25T13:55:40.98 0.1 undecidable manual P 247 40.8258 50 -0.11 94
IV.VVLD.HHZ. 2023-06-25T13:55:40.65 0.6 undecidable manual S 339 19.9689 113 0.08 49
IV.INTR.HHZ. 2023-06-25T13:55:40.53 0.3 positive manual P 25 38.0286 50 -0.12 71
IV.CERA.HNZ. 2023-06-25T13:55:38.75 0.1 undecidable manual P 114 28.0497 107 -0.17 95
IT.OPI.HGZ. 2023-06-25T13:55:38.56 0.6 undecidable manual S 50 13.0758 123 0.12 49
IV.LRP.EHZ. 2023-06-25T13:55:38.26 0.6 undecidable manual S 239 11.7771 126 0.19 49
IV.MCI.EHZ. 2023-06-25T13:55:38.02 0.1 undecidable manual P 160 24.8529 109 -0.28 93
IV.VVLD.HHZ. 2023-06-25T13:55:37.66 0.1 positive manual P 339 19.9689 113 0.27 94
IT.OPI.HGZ. 2023-06-25T13:55:36.36 0.1 undecidable manual P 50 13.0758 123 0.2 97
IV.LRP.EHZ. 2023-06-25T13:55:36.38 0.6 positive manual P 239 11.7771 126 0.43 46
IV.POFI.HHZ. 2023-06-25T13:55:35.13 0.6 undecidable manual S 8 1.7982 168 -0.91 39
IV.POFI.HHZ. 2023-06-25T13:55:34.63 0.1 undecidable manual P 8 1.7982 168 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LRP.EHE. ML:1.2 0.0002 1.6 AML other m 2023-06-25T13:55:39.84
IV.LRP.EHN. ML:0.6 0.00004661784 0.2624 AML other m 2023-06-25T13:55:40.86
IV.VVLD.HHN. ML:1.1 0.00009223416000000001 0.2752 AML other m 2023-06-25T13:55:42.43
IV.VVLD.HHE. ML:1.1 0.00009989999999999999 1.48 AML other m 2023-06-25T13:55:44.80
IV.INTR.HHE. ML:1.3 0.00007439999999999999 0.26 AML other m 2023-06-25T13:55:46.82
IV.INTR.HHN. ML:1.2 0.00006685601 0.4224 AML other m 2023-06-25T13:55:49.41
IV.POFI.HHE. ML:0.0 0.00088386545 0.0768 AML other m 2023-06-25T13:55:35.77
IV.POFI.HHN. ML:0.0 0.00071929 0.1408 AML other m 2023-06-25T13:55:35.72
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