Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 08-10-2023 and time 21:25:42 (Italy) in region 2 km NW Cassino (FR)

A magnitude ML 1.7 earthquake occured in region: 2 km NW Cassino (FR), on

  • 08-10-2023 19:25:42 (UTC)
  • 08-10-2023 21:25:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5090, 13.8170 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.

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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
Cassino FR 2 36142 36142
Villa Santa Lucia FR 4 2632 38774
Sant'Elia Fiumerapido FR 5 6166 44940
Piedimonte San Germano FR 6 6535 51475
Terelle FR 6 422 51897
Belmonte Castello FR 8 739 52636
Cervaro FR 8 8109 60745
Pignataro Interamna FR 8 2595 63340
Vallerotonda FR 9 1581 64921
Aquino FR 10 5370 70291
Castrocielo FR 10 3965 74256
San Vittore del Lazio FR 11 2636 76892
Colle San Magno FR 11 699 77591
Sant'Apollinare FR 12 1919 79510
Villa Latina FR 12 1241 80751
Acquafondata FR 12 263 81014
San Giorgio a Liri FR 12 3164 84178
Atina FR 13 4316 88494
Viticuso FR 13 353 88847
Roccasecca FR 13 7365 96212
San Pietro Infine CE 14 944 97156
Sant'Ambrogio sul Garigliano FR 14 966 98122
Pontecorvo FR 14 13242 111364
Rocca d'Evandro CE 14 3283 114647
Casalattico FR 15 574 115221
San Biagio Saracinisco FR 15 349 115570
Castelnuovo Parano FR 15 883 116453
Vallemaio FR 16 937 117390
Conca Casale IS 16 200 117590
Sant'Andrea del Garigliano FR 16 1505 119095
Picinisco FR 16 1218 120313
Casalvieri FR 16 2698 123011
Gallinaro FR 17 1269 124280
Esperia FR 18 3828 128108
Ausonia FR 18 2619 130727
Mignano Monte Lungo CE 18 3250 133977
Coreno Ausonio FR 18 1644 135621
Settefrati FR 18 728 136349
Colfelice FR 18 1932 138281
Santopadre FR 19 1357 139638
Venafro IS 19 11280 150918

Municipalities with at least 50000 inhabitants

An earthquake occurred to
65 Km NW of Caserta (76326 inhabitants)
68 Km NW of Aversa (53047 inhabitants)
72 Km NW of Giugliano in Campania (122974 inhabitants)
75 Km NW of Marano di Napoli (59874 inhabitants)
76 Km E of Latina (125985 inhabitants)
77 Km NW of Pozzuoli (81661 inhabitants)
77 Km NW of Afragola (65057 inhabitants)
78 Km NW of Casoria (77642 inhabitants)
78 Km NW of Acerra (59573 inhabitants)
83 Km NW of Napoli (974074 inhabitants)
88 Km NW of Portici (55274 inhabitants)
89 Km E of Velletri (53303 inhabitants)
89 Km NW of Ercolano (53709 inhabitants)
91 Km W of Benevento (60091 inhabitants)
92 Km NW of Torre del Greco (86275 inhabitants)
98 Km E of Aprilia (73446 inhabitants)
98 Km SW of Chieti (51815 inhabitants)
99 Km SE of Tivoli (56533 inhabitants)
99 Km E of Anzio (54211 inhabitants)
100 Km SE of L'Aquila (69753 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 1.7 2023-10-08
19:25:42		 41.5087 13.8173 8 2023-10-08
19:43:24		 Sala Sismica INGV-Roma 121901481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-08 19:25:42 ± 0.16
Latitude 41.5087 ± 0.0090
Longitude 13.8173 ± 0.0096
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121901481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1016
Semi-minor axis of confidence ellipse (meter) 668
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 197
Circular confidence region, given by single value of horizontal uncertainty (meter) 1020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.59985
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 121901481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-08 19:43:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PSL.EHZ. 2023-10-08T19:27:25.86 3.0 undecidable manual Sg 12.41 0
IV.PIPA.HHZ. 2023-10-08T19:27:08.35 3.0 undecidable manual Sn -0.05 0
IV.HPAC.HHZ. 2023-10-08T19:27:04.98 3.0 undecidable manual Pg 9.06 0
IV.CSNT.HHZ. 2023-10-08T19:27:03.47 3.0 undecidable manual Sn 3.95 0
IV.ACATE.EHZ. 2023-10-08T19:26:57.94 3.0 positive manual Pg 7.19 0
OX.SABO.HHZ. 2023-10-08T19:26:56.70 3.0 positive manual Pg 6.82 0
GU.GRAM.HHZ. 2023-10-08T19:26:55.50 3.0 undecidable manual Pg 11.35 0
IV.SALB.HHZ. 2023-10-08T19:26:55.09 3.0 undecidable manual Sn -0.31 0
IV.TDS.HHZ. 2023-10-08T19:26:30.82 3.0 undecidable manual Pg 5.48 0
IV.PP3.EHZ. 2023-10-08T19:26:14.67 3.0 positive manual Pn 0.53 0
IV.MF5.EHZ. 2023-10-08T19:26:07.30 3.0 negative manual P -1.73 0
IV.PTQR.HHZ. 2023-10-08T19:26:03.88 0.6 undecidable manual S 329 66.5778 50 0.58 39
IV.INTR.HHZ. 2023-10-08T19:26:01.03 0.3 undecidable manual S 7 56.2992 50 0.49 62
IV.VITU.HHZ. 2023-10-08T19:25:57.71 3.0 undecidable manual P 1.13 0
IV.CERT.HHZ. 2023-10-08T19:25:56.89 3.0 undecidable manual P -0.71 0
IV.VVLD.HHZ. 2023-10-08T19:25:56.94 0.6 undecidable manual S 338 43.1235 50 -0.11 46
IV.MIDA.HHZ. 2023-10-08T19:25:55.02 1.0 undecidable manual S 68 39.1275 50 -0.95 18
IV.RNI2.HHZ. 2023-10-08T19:25:54.79 0.3 undecidable manual S 52 35.2425 102 -0.04 71
IV.PTQR.HHZ. 2023-10-08T19:25:54.49 0.3 undecidable manual P 329 66.5778 50 0.06 67
IV.LIK.EHZ. 2023-10-08T19:25:52.10 3.0 undecidable manual S 0
IV.PIGN.HNZ. 2023-10-08T19:25:52.32 0.3 undecidable manual P 138 45.621 50 1.11 49
IV.POFI.HHZ. 2023-10-08T19:25:52.03 0.3 undecidable manual S 339 24.753 107 0.71 60
IV.INTR.HHZ. 2023-10-08T19:25:52.25 0.6 undecidable manual P 7 56.2992 50 -0.59 40
IV.LRP.EHZ. 2023-10-08T19:25:50.61 0.6 undecidable manual S 309 24.5532 107 -0.64 41
IV.VVLD.HHZ. 2023-10-08T19:25:50.27 0.3 undecidable manual P 338 43.1235 50 -0.55 62
IV.CERA.HHZ. 2023-10-08T19:25:49.95 0.6 undecidable manual S 59 19.3695 112 0.39 45
IV.RNI2.HHZ. 2023-10-08T19:25:49.34 0.3 negative manual P 52 35.2425 102 -0.2 69
IV.MIDA.HHZ. 2023-10-08T19:25:49.48 0.6 negative manual P 68 39.1275 50 -0.73 39
IV.VAGA.HHZ. 2023-10-08T19:25:49.67 0.3 undecidable manual P 106 36.1416 102 -0.06 71
IV.POFI.HHZ. 2023-10-08T19:25:47.50 0.3 negative manual P 339 24.753 107 -0.01 73
IV.LIK.EHZ.01 2023-10-08T19:25:47.45 3.0 undecidable manual P 0
IV.LRP.EHZ. 2023-10-08T19:25:47.37 0.1 undecidable manual P 309 24.5532 107 -0.11 95
IV.CERA.HHZ. 2023-10-08T19:25:46.40 0.1 undecidable manual P 59 19.3695 112 -0.1 96
IV.MCI.EHZ. 2023-10-08T19:25:45.10 0.3 undecidable manual S 190 1.998 166 0.02 75
IV.MCI.EHZ. 2023-10-08T19:25:43.97 0.1 negative manual P 190 1.998 166 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HHN. ML:1.9 0.0006561997499999999 0.4224 AML other m 2023-10-08T19:25:53.45
IV.CERA.HNN. ML:1.9 0.00063806925 0.3968 AML other m 2023-10-08T19:25:53.45
IV.LRP.EHE. ML:1.6 0.00026700000000000004 0.34 AML other m 2023-10-08T19:25:54.76
IV.LRP.EHN. ML:1.4 0.00016399999999999997 1.68 AML other m 2023-10-08T19:25:54.95
IV.POFI.HHE. ML:1.3 0.00013559609 0.256 AML other m 2023-10-08T19:25:54.76
IV.POFI.HHN. ML:1.2 0.0000958 1.64 AML other m 2023-10-08T19:25:55.17
IV.CERA.HHE. ML:1.8 0.0005515 0.4 AML other m 2023-10-08T19:25:56.54
IV.CERA.HNE. ML:1.8 0.0005155000000000001 0.4 AML other m 2023-10-08T19:25:56.55
IV.MIDA.HHE. ML:1.5 0.00010918600000000001 0.3328 AML other m 2023-10-08T19:26:00.35
IV.MIDA.HHN. ML:1.4 0.000096348795 0.3328 AML other m 2023-10-08T19:26:05.89
IV.VVLD.HHE. ML:1.6 0.0001295 0.48 AML other m 2023-10-08T19:25:58.20
IV.VAGA.HHN. ML:1.7 0.00021259835 0.4864 AML other m 2023-10-08T19:26:01.63
IV.RNI2.HHE. ML:1.6 0.000166591965 0.4096 AML other m 2023-10-08T19:26:00.40
IV.RNI2.HNE. ML:1.6 0.00016306165 0.6272 AML other m 2023-10-08T19:26:04.78
IV.VAGA.HHE. ML:1.4 0.00011220475 0.5376 AML other m 2023-10-08T19:26:00.78
IV.VVLD.HHN. ML:1.7 0.0001555 0.42 AML other m 2023-10-08T19:26:02.04
IV.INTR.HHE. ML:1.7 0.00010835 1.52 AML other m 2023-10-08T19:26:07.82
IV.PTQR.HHE. ML:1.4 0.0000513 0.28 AML other m 2023-10-08T19:26:08.12
IV.RNI2.HNN. ML:1.6 0.00017358475000000002 0.6272 AML other m 2023-10-08T19:25:59.35
IV.RNI2.HHN. ML:1.6 0.00017643874999999996 0.64 AML other m 2023-10-08T19:25:59.33
IV.PTQR.HHN. ML:1.2 0.00003182641999999999 0.3456 AML other m 2023-10-08T19:26:10.78
IV.VITU.HHE. ML:1.8 0.00009135 1.3 AML other m 2023-10-08T19:26:14.96
IV.CERT.HHE. ML:1.7 0.00007145 0.4 AML other m 2023-10-08T19:26:15.22
IV.VITU.HHN. ML:1.8 0.0001025 0.64 AML other m 2023-10-08T19:26:15.28
IV.INTR.HHN. ML:1.7 0.000124 0.9 AML other m 2023-10-08T19:26:17.25
IV.CERT.HHN. ML:1.4 0.000035749999999999995 1.18 AML other m 2023-10-08T19:26:17.87
IV.MCI.EHE. ML:0.0 0.013805135 0.1792 AML other m 2023-10-08T19:25:46.68
IV.MCI.EHN. ML:0.0 0.010761591499999999 0.2304 AML other m 2023-10-08T19:25:45.93
IV.POFI.HNE. ML:1.5 0.0002153421 0.4224 AML other m 2023-10-08T19:25:54.98
IV.POFI.HNN. ML:1.5 0.0001785911 0.6016 AML other m 2023-10-08T19:25:57.19
IV.VAGA.HNE. ML:1.7 0.00019221260000000002 0.9088 AML other m 2023-10-08T19:26:02.06
IV.VAGA.HNN. ML:1.7 0.00019399044999999997 0.2944 AML other m 2023-10-08T19:26:01.77
IV.VVLD.HNE. ML:1.8 0.00018498555 0.704 AML other m 2023-10-08T19:26:04.97
IV.VVLD.HNN. ML:1.7 0.00016357645 0.4352 AML other m 2023-10-08T19:26:02.05
IV.INTR.HNE. ML:1.8 0.00014551925 0.5632 AML other m 2023-10-08T19:26:07.79
IV.INTR.HNN. ML:2.0 0.00025666505 0.6912 AML other m 2023-10-08T19:26:10.72
IV.CERT.HNE. ML:2.0 0.00011942009000000001 0.8704 AML other m 2023-10-08T19:26:24.95
IV.CERT.HNN. ML:2.1 0.00014740925 0.8064 AML other m 2023-10-08T19:25:59.62
IV.VITU.HNE. ML:2.0 0.00016669339999999999 0.7552 AML other m 2023-10-08T19:26:02.09
IV.VITU.HNN. ML:2.2 0.00023777234999999998 0.7168 AML other m 2023-10-08T19:26:07.23
IV.PP3.HNE. ML:2.9 0.00020021625 1.1008 AML other m 2023-10-08T19:27:09.00
IV.PP3.HNN. ML:2.8 0.0001658057 0.7424 AML other m 2023-10-08T19:27:05.48
IV.PP3.EHE. ML:2.4 0.00006640142 0.6784 AML other m 2023-10-08T19:26:45.45
IV.PP3.EHN. ML:2.5 0.00008245731000000001 0.6144 AML other m 2023-10-08T19:26:47.28
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