Earthquake with magnitude of ML 1.3 on date 08-10-2023 and time 02:53:23 (Italy) in region 3 km NE San Gregorio Matese (CE)

A magnitude ML 1.3 earthquake occured in region: 3 km NE San Gregorio Matese (CE), on

  • 08-10-2023 00:53:23 (UTC)
  • 08-10-2023 02:53:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.4120, 14.3970 at 15 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
San Gregorio Matese CE 4 988 988
Castello del Matese CE 5 1494 2482
Piedimonte Matese CE 6 11297 13779
San Potito Sannitico CE 8 1925 15704
San Massimo CB 9 855 16559
San Polo Matese CB 10 470 17029
Roccamandolfi IS 10 938 17967
Campochiaro CB 10 646 18613
Bojano CB 10 8058 26671
Alife CE 11 7616 34287
Valle Agricola CE 12 890 35177
Cantalupo nel Sannio IS 12 739 35916
Cusano Mutri BN 12 4091 40007
Guardiaregia CB 12 801 40808
Sant'Angelo d'Alife CE 13 2270 43078
Gioia Sannitica CE 13 3638 46716
Letino CE 13 712 47428
Raviscanina CE 14 1319 48747
Pietraroja BN 15 545 49292
Colle d'Anchise CB 15 807 50099
Castelpizzuto IS 15 155 50254
Gallo Matese CE 16 579 50833
Santa Maria del Molise IS 16 665 51498
Ailano CE 16 1369 52867
Faicchio BN 16 3634 56501
Prata Sannita CE 16 1502 58003
Macchiagodena IS 17 1854 59857
Spinete CB 17 1320 61177
Dragoni CE 17 2108 63285
Castelpetroso IS 17 1680 64965
Baia e Latina CE 17 2197 67162
Longano IS 18 690 67852
Pratella CE 18 1565 69417
Vinchiaturo CB 18 3324 72741
Fontegreca CE 18 811 73552
Sepino CB 19 1964 75516
Baranello CB 19 2673 78189
Alvignano CE 19 4824 83013
San Lorenzello BN 19 2227 85240
Cerreto Sannita BN 20 3940 89180
Sant'Elena Sannita IS 20 275 89455

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km N of Caserta (76326 inhabitants)
45 Km NW of Benevento (60091 inhabitants)
51 Km NE of Aversa (53047 inhabitants)
52 Km N of Acerra (59573 inhabitants)
55 Km N of Afragola (65057 inhabitants)
56 Km N of Giugliano in Campania (122974 inhabitants)
57 Km N of Casoria (77642 inhabitants)
60 Km N of Marano di Napoli (59874 inhabitants)
65 Km NW of Avellino (54857 inhabitants)
65 Km N of Napoli (974074 inhabitants)
65 Km N of Portici (55274 inhabitants)
67 Km N of Ercolano (53709 inhabitants)
68 Km NE of Pozzuoli (81661 inhabitants)
69 Km N of Torre del Greco (86275 inhabitants)
75 Km N of Scafati (50787 inhabitants)
80 Km N of Castellammare di Stabia (66466 inhabitants)
83 Km NW of Cava de' Tirreni (53659 inhabitants)
87 Km NW of Salerno (135261 inhabitants)
87 Km W of San Severo (53905 inhabitants)
96 Km W of Foggia (151991 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 1.3 2023-10-08
00:53:23
41.4117 14.3973 15 2023-10-08
01:01:20
Sala Sismica INGV-Roma 121873891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-08 00:53:23 ± 0.29
Latitude 41.4117 ± 0.0198
Longitude 14.3973 ± 0.0108
Depth (km) 15 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121873891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2119
Semi-minor axis of confidence ellipse (meter) 747
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 191
Circular confidence region, given by single value of horizontal uncertainty (meter) 2120.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.02878
Epicentral distance of station farthest from the epicenter (degree) 0.37232
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 121873891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-08 01:01:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TRIV.HHE. 2023-10-08T00:53:31.34 0.1 undecidable manual P 18 41.3253 98 0.29 90
IV.VAGA.HHZ. 2023-10-08T00:53:30.25 0.3 undecidable manual S 272 13.5753 127 0.5 70
IV.RNI2.HHZ. 2023-10-08T00:53:30.19 0.1 undecidable manual P 328 38.2284 98 -0.38 89
IV.PTRJ.HHZ. 2023-10-08T00:53:29.45 0.3 undecidable manual S 116 12.1767 131 -0.01 75
IV.SGG.HHZ. 2023-10-08T00:53:27.95 0.3 undecidable manual S 209 3.1968 165 -0.22 72
IV.BSSO.HHZ. 2023-10-08T00:53:27.94 1.0 negative manual P 48 22.1556 110 -0.22 24
IV.SGG.HHZ. 2023-10-08T00:53:26.01 0.1 positive manual P 209 3.1968 165 -0.07 100
IV.PTRJ.HHZ. 2023-10-08T00:53:26.94 0.1 negative manual P 116 12.1767 131 0.12 100
IV.VAGA.HHZ. 2023-10-08T00:53:26.88 0.1 undecidable manual P 272 13.5753 127 -0.11 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SGG.HHN. ML:1.4 0.000298 0.4 AML other m 2023-10-08T00:53:28.79
IV.SGG.HHE. ML:1.4 0.0002965 0.48 AML other m 2023-10-08T00:53:28.55
IV.VAGA.HHE. ML:1.4 0.000192 0.52 AML other m 2023-10-08T00:53:30.69
IV.VAGA.HHN. ML:1.6 0.0003275 0.84 AML other m 2023-10-08T00:53:30.10
IV.PTRJ.HHE. ML:1.4 0.0002065 0.38 AML other m 2023-10-08T00:53:31.34
IV.PTRJ.HHN. ML:1.4 0.00021650000000000003 0.54 AML other m 2023-10-08T00:53:32.21
IV.BSSO.HHN. ML:1.2 0.00010445 0.52 AML other m 2023-10-08T00:53:33.47
IV.RNI2.HHE. ML:1.2 0.000060200000000000006 1.08 AML other m 2023-10-08T00:53:37.82
IV.RNI2.HHN. ML:1.2 0.00004795 0.54 AML other m 2023-10-08T00:53:37.61
IV.BSSO.HHE. ML:1.3 0.00011499999999999999 0.8 AML other m 2023-10-08T00:53:41.39
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