Earthquake with magnitude of ML 1.2 on date 18-03-2023 and time 00:48:46 (UTC) in region 6 km E Settefrati (FR)

A magnitude ML 1.2 earthquake occured in region: 6 km E Settefrati (FR), on

  • 18-03-2023 00:48:46 (UTC)
  • 18-03-2023 01:48:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.6960, 13.9140 at 13 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Settefrati FR 6 728 728
Picinisco FR 7 1218 1946
Civitella Alfedena AQ 8 296 2242
San Donato Val di Comino FR 8 2107 4349
San Biagio Saracinisco FR 9 349 4698
Villetta Barrea AQ 9 653 5351
Barrea AQ 10 726 6077
Gallinaro FR 10 1269 7346
Pizzone IS 11 329 7675
Alfedena AQ 11 864 8539
Villa Latina FR 11 1241 9780
Opi AQ 12 420 10200
Scontrone AQ 12 574 10774
Atina FR 13 4316 15090
Montenero Val Cocchiara IS 13 538 15628
Castel San Vincenzo IS 13 516 16144
Alvito FR 14 2713 18857
Scapoli IS 15 680 19537
Belmonte Castello FR 16 739 20276
Vallerotonda FR 16 1581 21857
Rocchetta a Volturno IS 16 1113 22970
Pescasseroli AQ 16 2203 25173
Cerro al Volturno IS 16 1281 26454
Acquafondata FR 17 263 26717
Vicalvi FR 17 783 27500
Sant'Elia Fiumerapido FR 18 6166 33666
Casalattico FR 18 574 34240
Posta Fibreno FR 18 1139 35379
Casalvieri FR 18 2698 38077
Rionero Sannitico IS 19 1118 39195
Castel di Sangro AQ 19 6538 45733
Colli a Volturno IS 19 1349 47082
Terelle FR 19 422 47504
Viticuso FR 20 353 47857
Acquaviva d'Isernia IS 20 425 48282
Fontechiari FR 20 1303 49585

Municipalities with at least 50000 inhabitants

An earthquake occurred to
76 Km S of Chieti (51815 inhabitants)
77 Km NW of Caserta (76326 inhabitants)
84 Km N of Aversa (53047 inhabitants)
85 Km SE of L'Aquila (69753 inhabitants)
88 Km E of Latina (125985 inhabitants)
89 Km N of Giugliano in Campania (122974 inhabitants)
89 Km S of Pescara (121014 inhabitants)
92 Km N of Marano di Napoli (59874 inhabitants)
92 Km NW of Acerra (59573 inhabitants)
92 Km NW of Afragola (65057 inhabitants)
93 Km S of Montesilvano (53738 inhabitants)
93 Km NW of Casoria (77642 inhabitants)
94 Km E of Velletri (53303 inhabitants)
96 Km N of Pozzuoli (81661 inhabitants)
96 Km NW of Benevento (60091 inhabitants)
97 Km E of Tivoli (56533 inhabitants)
99 Km N of Napoli (974074 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
Bulletin
Rev1000
ML 1.2 2023-03-18
00:48:46
41.696 13.9145 13 2024-03-01
17:18:19
Bollettino Sismico Italiano INGV 124142031
Reviewed
Rev100
ML 1.3 2023-03-18
00:48:45
41.6697 13.8998 18 2023-03-18
00:53:34
Sala Sismica INGV-Roma 115485601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-18 00:48:46 ± 0.16
Latitude 41.6960 ± 0.0081
Longitude 13.9145 ± 0.0072
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124142031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 825
Semi-minor axis of confidence ellipse (meter) 372
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 25
Circular confidence region, given by single value of horizontal uncertainty (meter) 830.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.10162
Epicentral distance of station farthest from the epicenter (degree) 0.31566
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 124142031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-12-19 11:02:13

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 115485601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-18 00:53:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHZ. 2023-03-18T00:48:58.42 0.6 undecidable manual S 359 35.0427 95 0.35 45
IV.VVLD.HHZ. 2023-03-18T00:48:56.83 0.6 undecidable manual S 309 30.8469 96 -0.13 47
IV.LRP.EHZ. 2023-03-18T00:48:56.51 0.6 undecidable manual S 259 27.75 97 0.39 45
IV.RNI2.HHZ. 2023-03-18T00:48:54.66 0.6 undecidable manual S 88 19.7691 104 0.64 43
IV.POFI.HHZ. 2023-03-18T00:48:53.59 0.6 undecidable manual S 278 16.9719 109 0.28 47
IV.LRP.EHZ. 2023-03-18T00:48:52.01 0.3 undecidable manual P 259 27.75 97 0.06 73
IV.CERA.HHZ. 2023-03-18T00:48:52.19 0.6 undecidable manual S 142 13.875 117 -0.37 47
IV.VVLD.HHZ. 2023-03-18T00:48:52.25 0.1 negative manual P 309 30.8469 96 -0.18 94
IV.INTR.HHZ. 2023-03-18T00:48:52.69 0.1 undecidable manual P 359 35.0427 95 -0.38 89
IT.OPI.HGZ. 2023-03-18T00:48:51.78 0.6 undecidable manual S 322 11.2776 126 -0.19 49
IV.POFI.HHZ. 2023-03-18T00:48:50.51 0.1 undecidable manual P 278 16.9719 109 0.19 96
IV.RNI2.HHZ. 2023-03-18T00:48:50.87 0.1 positive manual P 88 19.7691 104 0.14 97
IT.OPI.HGZ. 2023-03-18T00:48:49.50 0.1 undecidable manual P 322 11.2776 126 -0.05 100
IV.CERA.HHZ. 2023-03-18T00:48:49.66 0.1 positive manual P 142 13.875 117 -0.23 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HHN. ML:1.1 0.0001149 0.2 AML other m 2023-03-18T00:48:52.39
IV.CERA.HHE. ML:1.1 0.000125 0.18 AML other m 2023-03-18T00:48:52.81
IV.POFI.HHN. ML:1.0 0.00008715 0.28 AML other m 2023-03-18T00:48:53.88
IV.POFI.HHE. ML:1.0 0.000068 0.46 AML other m 2023-03-18T00:48:54.67
IV.RNI2.HHE. ML:1.5 0.00020700000000000002 0.16 AML other m 2023-03-18T00:48:54.86
IV.RNI2.HNE. ML:1.4 0.000185 0.16 AML other m 2023-03-18T00:48:54.87
IV.RNI2.HHN. ML:1.6 0.0002465 0.16 AML other m 2023-03-18T00:48:54.86
IV.RNI2.HNN. ML:1.6 0.000247 0.18 AML other m 2023-03-18T00:48:54.87
IV.VVLD.HHN. ML:1.0 0.00004185 0.86 AML other m 2023-03-18T00:48:57.32
IV.VVLD.HHE. ML:1.0 0.0000422 0.28 AML other m 2023-03-18T00:48:58.43
IV.INTR.HHN. ML:1.4 0.0000882 0.34 AML other m 2023-03-18T00:48:59.55
IV.INTR.HHE. ML:1.3 0.00008155 0.2 AML other m 2023-03-18T00:49:00.12
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