Earthquake with magnitude of ML 1.9 on date 03-07-2023 and time 01:27:03 (Italy) in region 2 km NW Alvito (FR)

A magnitude ML 1.9 earthquake occured in region: 2 km NW Alvito (FR), on

  • 02-07-2023 23:27:03 (UTC)
  • 03-07-2023 01:27:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6980, 13.7230 at 9 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
Alvito FR 2 2713 2713
Posta Fibreno FR 2 1139 3852
Vicalvi FR 3 783 4635
Fontechiari FR 5 1303 5938
Campoli Appennino FR 6 1725 7663
Broccostella FR 7 2741 10404
Casalvieri FR 7 2698 13102
Gallinaro FR 8 1269 14371
San Donato Val di Comino FR 8 2107 16478
Pescosolido FR 8 1555 18033
Casalattico FR 9 574 18607
Sora FR 9 26144 44751
Atina FR 11 4316 49067
Arpino FR 11 7262 56329
Settefrati FR 11 728 57057
Isola del Liri FR 12 11715 68772
Santopadre FR 13 1357 70129
Opi AQ 13 420 70549
Picinisco FR 13 1218 71767
Villa Latina FR 13 1241 73008
Pescasseroli AQ 14 2203 75211
Castelliri FR 14 3454 78665
Belmonte Castello FR 15 739 79404
Colle San Magno FR 17 699 80103
Terelle FR 17 422 80525
Roccasecca FR 17 7365 87890
Rocca d'Arce FR 17 959 88849
Arce FR 17 5756 94605
Fontana Liri FR 17 2953 97558
Balsorano AQ 18 3569 101127
Monte San Giovanni Campano FR 18 12929 114056
Colfelice FR 19 1932 115988
Castrocielo FR 19 3965 119953
Villetta Barrea AQ 19 653 120606
San Biagio Saracinisco FR 19 349 120955
Civitella Alfedena AQ 20 296 121251

Municipalities with at least 50000 inhabitants

An earthquake occurred to
73 Km E of Latina (125985 inhabitants)
78 Km SE of L'Aquila (69753 inhabitants)
79 Km E of Velletri (53303 inhabitants)
81 Km SW of Chieti (51815 inhabitants)
82 Km E of Tivoli (56533 inhabitants)
86 Km NW of Caserta (76326 inhabitants)
89 Km E of Guidonia Montecelio (88673 inhabitants)
90 Km E of Aprilia (73446 inhabitants)
90 Km NW of Aversa (53047 inhabitants)
94 Km SW of Pescara (121014 inhabitants)
94 Km NW of Giugliano in Campania (122974 inhabitants)
95 Km E of Anzio (54211 inhabitants)
97 Km NW of Marano di Napoli (59874 inhabitants)
97 Km SW of Montesilvano (53738 inhabitants)
99 Km NW of Afragola (65057 inhabitants)
100 Km NW of Pozzuoli (81661 inhabitants)
100 Km NW of Acerra (59573 inhabitants)
100 Km NW of Casoria (77642 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 1.9 2023-07-02
23:27:03
41.6985 13.7233 9 2023-07-02
23:32:45
Sala Sismica INGV-Roma 118915331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-02 23:27:03 ± 0.05
Latitude 41.6985 ± 0.0027
Longitude 13.7233 ± 0.0036
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118915331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 339
Semi-minor axis of confidence ellipse (meter) 271
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 130
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 50
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.53240
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 118915331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-02 23:32:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PP3.EHZ. 2023-07-02T23:27:57.65 3.0 undecidable manual Sg 0.5 0
IV.RCAV.EHZ. 2023-07-02T23:27:23.79 3.0 undecidable manual S -3.1 0
IV.PTQR.HHZ. 2023-07-02T23:27:18.91 0.6 undecidable manual S 323 44.7219 50 0.08 47
IV.RNI2.HHZ. 2023-07-02T23:27:16.08 0.3 undecidable manual S 89 35.5422 50 -0.3 69
IV.LATB.EHZ. 2023-07-02T23:27:15.78 3.0 undecidable manual P -1.23 0
IV.T0110.HHZ. 2023-07-02T23:27:14.78 0.6 positive manual P 4 59.0964 50 0.03 47
IV.CERA.HHZ. 2023-07-02T23:27:14.31 0.3 undecidable manual S 114 26.8509 108 0.56 66
IV.VAGA.HHZ. 2023-07-02T23:27:13.52 0.6 undecidable manual P 126 52.8027 50 -0.25 45
IV.LIK.EHZ.01 2023-07-02T23:27:13.35 0.6 undecidable manual S 212 25.9518 109 -0.08 49
IV.LPEL.HHZ. 2023-07-02T23:27:13.98 0.6 undecidable manual P 44 54.2013 50 -0.02 47
IV.MCI.EHZ. 2023-07-02T23:27:12.72 0.6 undecidable manual S 162 24.1536 110 -0.15 48
IV.PTQR.HHZ. 2023-07-02T23:27:12.40 0.6 positive manual P 323 44.7219 50 -0.14 47
IV.GIUL.HNN. 2023-07-02T23:27:12.01 0.3 undecidable manual P 248 41.8248 50 -0.09 71
IV.GUAR.HHE. 2023-07-02T23:27:11.45 0.1 undecidable manual P 288 35.6421 50 0.31 92
IV.VVLD.HHZ. 2023-07-02T23:27:11.69 0.3 undecidable manual S 336 20.7681 113 -0.06 74
IV.RNI2.HHZ. 2023-07-02T23:27:11.43 0.3 undecidable manual P 89 35.5422 50 0.31 69
IV.INTR.HNE. 2023-07-02T23:27:11.28 0.1 undecidable manual P 23 37.8288 50 -0.19 94
IV.CERA.HHZ. 2023-07-02T23:27:09.32 0.3 negative manual P 114 26.8509 108 -0.29 70
IT.OPI.HGZ. 2023-07-02T23:27:09.49 0.3 undecidable manual S 46 12.3765 126 0.28 72
IV.MCI.EHZ. 2023-07-02T23:27:09.00 0.1 negative manual P 162 24.1536 110 -0.09 98
IV.LIK.EHZ.01 2023-07-02T23:27:09.45 0.3 undecidable manual P 212 25.9518 109 0.03 74
IV.LRP.EHZ. 2023-07-02T23:27:09.45 0.3 undecidable manual S 243 12.6762 125 0.15 74
IV.VVLD.HHZ. 2023-07-02T23:27:08.47 0.1 negative manual P 336 20.7681 113 0.02 100
IV.LRP.EHZ. 2023-07-02T23:27:07.21 0.1 negative manual P 243 12.6762 125 0.18 98
IT.OPI.HGZ. 2023-07-02T23:27:07.12 0.3 undecidable manual P 46 12.3765 126 0.14 74
IV.POFI.HNZ. 2023-07-02T23:27:06.66 0.3 undecidable manual S 336 2.2977 165 -0.45 71
IV.POFI.HNZ. 2023-07-02T23:27:05.56 0.6 negative manual P 336 2.2977 165 -0.2 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LRP.EHE. ML:2.0 0.0012349999999999998 0.36 AML other m 2023-07-02T23:27:09.76
IV.LRP.EHN. ML:1.5 0.00038950000000000003 1.38 AML other m 2023-07-02T23:27:12.75
IV.VVLD.HHN. ML:1.8 0.000486 1.14 AML other m 2023-07-02T23:27:13.21
IV.VVLD.HHE. ML:1.8 0.000494 0.72 AML other m 2023-07-02T23:27:13.62
IV.MCI.EHN. ML:2.1 0.000842 0.2 AML other m 2023-07-02T23:27:14.49
IV.MCI.EHE. ML:2.2 0.001032 0.28 AML other m 2023-07-02T23:27:16.81
IV.CERA.HNE. ML:1.9 0.00046550000000000004 1.4 AML other m 2023-07-02T23:27:17.15
IV.CERA.HHE. ML:1.9 0.00047299999999999995 1.4 AML other m 2023-07-02T23:27:17.85
IV.CERA.HHN. ML:1.9 0.00046699999999999997 0.46 AML other m 2023-07-02T23:27:17.04
IV.CERA.HNN. ML:1.9 0.0004675 0.48 AML other m 2023-07-02T23:27:17.04
IV.RNI2.HNN. ML:1.9 0.0002915 0.5 AML other m 2023-07-02T23:27:18.52
IV.RNI2.HHN. ML:1.9 0.00030649999999999997 0.52 AML other m 2023-07-02T23:27:18.52
IV.PTQR.HHE. ML:1.5 0.00010439999999999999 0.26 AML other m 2023-07-02T23:27:19.70
IV.RNI2.HNE. ML:1.9 0.0003195 0.8 AML other m 2023-07-02T23:27:20.56
IV.RNI2.HHE. ML:1.9 0.0003355 0.8 AML other m 2023-07-02T23:27:20.56
IV.PTQR.HHN. ML:1.5 0.0001009 0.18 AML other m 2023-07-02T23:27:21.26
IV.LPEL.HHE. ML:1.9 0.0001735 0.22 AML other m 2023-07-02T23:27:24.01
IV.LPEL.HHN. ML:1.7 0.0001265 0.18 AML other m 2023-07-02T23:27:24.70
IV.T0110.HHE. ML:2.0 0.00023150000000000002 0.32 AML other m 2023-07-02T23:27:26.52
IV.VAGA.HHN. ML:1.5 0.00007885 0.58 AML other m 2023-07-02T23:27:27.41
IV.T0110.HHN. ML:2.0 0.00023349999999999998 0.58 AML other m 2023-07-02T23:27:30.40
IV.VAGA.HHE. ML:1.4 0.0000584 0.9 AML other m 2023-07-02T23:27:30.83
IV.PP3.EHE. ML:2.5 0.00010005 1.58 AML other m 2023-07-02T23:28:27.98
IV.PP3.EHN. ML:2.5 0.00009955 0.8 AML other m 2023-07-02T23:28:27.28
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download