Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 27-02-2024 and time 12:08:22 (UTC) in region 6 km E San Gregorio Matese (CE)

A magnitude ML 1.8 earthquake occured in region: 6 km E San Gregorio Matese (CE), on

  • 27-02-2024 12:08:22 (UTC)
  • 27-02-2024 13:08:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.4040, 14.4380 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.

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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
San Gregorio Matese CE 6 988 988
Castello del Matese CE 6 1494 2482
Piedimonte Matese CE 7 11297 13779
Campochiaro CB 8 646 14425
San Polo Matese CB 8 470 14895
San Potito Sannitico CE 8 1925 16820
Bojano CB 9 8058 24878
Cusano Mutri BN 9 4091 28969
Guardiaregia CB 9 801 29770
San Massimo CB 10 855 30625
Pietraroja BN 11 545 31170
Gioia Sannitica CE 12 3638 34808
Alife CE 12 7616 42424
Roccamandolfi IS 12 938 43362
Colle d'Anchise CB 14 807 44169
Cantalupo nel Sannio IS 14 739 44908
Faicchio BN 14 3634 48542
Sepino CB 15 1964 50506
Valle Agricola CE 15 890 51396
Sant'Angelo d'Alife CE 16 2270 53666
Vinchiaturo CB 16 3324 56990
Spinete CB 16 1320 58310
San Lorenzello BN 17 2227 60537
Cerreto Sannita BN 17 3940 64477
Letino CE 17 712 65189
Raviscanina CE 17 1319 66508
Baranello CB 17 2673 69181
Macchiagodena IS 18 1854 71035
Santa Maria del Molise IS 18 665 71700
San Giuliano del Sannio CB 18 1029 72729
Castelpizzuto IS 18 155 72884
Dragoni CE 18 2108 74992
Gallo Matese CE 19 579 75571
Sassinoro BN 19 618 76189
Castelpetroso IS 19 1680 77869
San Salvatore Telesino BN 19 3999 81868
Baia e Latina CE 19 2197 84065
Alvignano CE 20 4824 88889
Ailano CE 20 1369 90258
Sant'Elena Sannita IS 20 275 90533
Prata Sannita CE 20 1502 92035
Busso CB 20 1273 93308

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km N of Caserta (76326 inhabitants)
42 Km NW of Benevento (60091 inhabitants)
51 Km N of Acerra (59573 inhabitants)
52 Km NE of Aversa (53047 inhabitants)
55 Km N of Afragola (65057 inhabitants)
56 Km NE of Giugliano in Campania (122974 inhabitants)
57 Km N of Casoria (77642 inhabitants)
60 Km NE of Marano di Napoli (59874 inhabitants)
62 Km NW of Avellino (54857 inhabitants)
65 Km N of Napoli (974074 inhabitants)
65 Km N of Portici (55274 inhabitants)
66 Km N of Ercolano (53709 inhabitants)
68 Km NE of Pozzuoli (81661 inhabitants)
69 Km N of Torre del Greco (86275 inhabitants)
73 Km N of Scafati (50787 inhabitants)
79 Km N of Castellammare di Stabia (66466 inhabitants)
81 Km N of Cava de' Tirreni (53659 inhabitants)
85 Km W of San Severo (53905 inhabitants)
85 Km NW of Salerno (135261 inhabitants)
92 Km W of Foggia (151991 inhabitants)
100 Km NW of Battipaglia (50786 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 1.8 2024-02-27
12:08:22		 41.4037 14.4383 9 2024-02-27
12:22:43		 Sala Sismica INGV-Roma 125575681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-27 12:08:22 ± 0.1
Latitude 41.4037 ± 0.0072
Longitude 14.4383 ± 0.0084
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 125575681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 763
Semi-minor axis of confidence ellipse (meter) 709
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 189
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37232
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 125575681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-27 12:22:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGRT.HHZ. 2024-02-27T12:08:43.08 3.0 undecidable manual P -1.2 0
IV.LPEL.HHZ. 2024-02-27T12:08:38.21 3.0 undecidable manual P 0.49 0
IV.TRIV.HHZ. 2024-02-27T12:08:37.36 0.6 undecidable manual S 13 41.3253 50 0.67 41
IV.PSB1.HHZ. 2024-02-27T12:08:35.90 0.6 undecidable manual S 123 36.9297 50 0.38 46
IV.PAOL.HHZ. 2024-02-27T12:08:32.37 3.0 undecidable manual P 0
IV.PSB1.HHZ. 2024-02-27T12:08:30.58 0.1 undecidable manual P 123 36.9297 50 0.42 90
IV.TRIV.HHZ. 2024-02-27T12:08:30.70 0.1 undecidable manual P 13 41.3253 50 -0.14 95
IV.BSSO.HHZ. 2024-02-27T12:08:30.75 0.3 undecidable manual S 39 20.3685 115 0.12 74
IV.PIGN.HNN. 2024-02-27T12:08:28.77 0.3 undecidable manual P 224 31.2465 50 -0.51 67
IV.MIDA.HHZ. 2024-02-27T12:08:28.91 0.1 undecidable manual P 330 30.5472 50 -0.26 94
IV.VITU.HHE. 2024-02-27T12:08:28.97 0.1 undecidable manual P 147 29.2485 50 0 100
IV.PTRJ.HHZ. 2024-02-27T12:08:27.47 0.3 undecidable manual S 120 8.6802 137 0.19 75
IV.SACR.HHZ. 2024-02-27T12:08:27.25 0.1 undecidable manual P 92 22.2555 113 -0.42 93
IV.BSSO.HHZ. 2024-02-27T12:08:27.16 0.3 undecidable manual P 39 20.3685 115 -0.17 74
IV.VAGA.HHZ. 2024-02-27T12:08:26.87 0.1 negative manual P 274 17.0718 119 0.14 99
IV.SGG.HHZ. 2024-02-27T12:08:26.72 0.3 undecidable manual S 249 5.2947 151 0.15 76
IV.PTRJ.HHZ. 2024-02-27T12:08:25.00 0.1 positive manual P 120 8.6802 137 -0.4 95
IV.SGG.HHZ. 2024-02-27T12:08:25.31 0.1 positive manual P 249 5.2947 151 0.32 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BSSO.HHE. ML:2.2 0.0012250000000000002 1.2 AML other m 2024-02-27T12:08:32.99
IV.BSSO.HHN. ML:2.1 0.001024 0.36 AML other m 2024-02-27T12:08:34.28
IV.SACR.HHE. ML:1.6 0.0002455 0.92 AML other m 2024-02-27T12:08:35.16
IV.VAGA.HHE. ML:1.9 0.0007289999999999999 0.24 AML other m 2024-02-27T12:08:35.33
IV.VAGA.HNE. ML:1.9 0.0006845 0.26 AML other m 2024-02-27T12:08:35.21
IV.VAGA.HHN. ML:2.1 0.00117 0.26 AML other m 2024-02-27T12:08:35.35
IV.VAGA.HNN. ML:2.1 0.0011275 0.24 AML other m 2024-02-27T12:08:35.35
IV.SACR.HHN. ML:1.6 0.000254 0.42 AML other m 2024-02-27T12:08:37.27
IV.TRIV.HHE. ML:1.8 0.00022499999999999997 1.56 AML other m 2024-02-27T12:08:39.12
IV.PSB1.HHE. ML:1.6 0.00015200000000000004 0.54 AML other m 2024-02-27T12:08:39.50
IV.TRIV.HHN. ML:1.6 0.00014050000000000003 1.02 AML other m 2024-02-27T12:08:39.22
IV.MIDA.HHE. ML:1.8 0.0002845 0.92 AML other m 2024-02-27T12:08:40.41
IV.PSB1.HHN. ML:1.7 0.000175 0.6 AML other m 2024-02-27T12:08:41.35
IV.MIDA.HHN. ML:1.8 0.0002945 0.72 AML other m 2024-02-27T12:08:43.04
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