Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 24-12-2021 and time 00:19:08 (UTC) in region 1 km NW San Lupo (BN)

A magnitude ML 1.4 earthquake occured in region: 1 km NW San Lupo (BN), on

  • 24-12-2021 00:19:08 (UTC)
  • 24-12-2021 01:19:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.2740, 14.6290 at 10 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.

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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 Lupo BN 2 801 801
San Lorenzo Maggiore BN 3 2154 2955
Guardia Sanframondi BN 3 5078 8033
Pontelandolfo BN 6 2167 10200
Casalduni BN 6 1378 11578
Cerreto Sannita BN 6 3940 15518
San Lorenzello BN 7 2227 17745
Castelvenere BN 8 2562 20307
Morcone BN 8 4932 25239
Ponte BN 8 2580 27819
Campolattaro BN 9 1072 28891
Paupisi BN 9 1633 30524
Telese Terme BN 10 7486 38010
Torrecuso BN 11 3407 41417
Pietraroja BN 11 545 41962
Solopaca BN 11 3820 45782
Vitulano BN 11 2944 48726
Fragneto Monforte BN 12 1840 50566
Sassinoro BN 12 618 51184
San Salvatore Telesino BN 12 3999 55183
Cusano Mutri BN 12 4091 59274
Faicchio BN 12 3634 62908
Fragneto l'Abate BN 13 1049 63957
Foglianise BN 13 3385 67342
Cautano BN 14 2044 69386
Sepino CB 15 1964 71350
Frasso Telesino BN 15 2318 73668
Santa Croce del Sannio BN 16 927 74595
Gioia Sannitica CE 16 3638 78233
Castelpoto BN 16 1254 79487
Amorosi BN 16 2797 82284
Pesco Sannita BN 16 1972 84256
Campoli del Monte Taburno BN 16 1546 85802
Puglianello BN 16 1349 87151
Melizzano BN 16 1858 89009
Reino BN 16 1210 90219
Tocco Caudio BN 16 1508 91727
Castel Campagnano CE 18 1581 93308
Circello BN 18 2388 95696
Ruviano CE 20 1655 97351
Guardiaregia CB 20 801 98152
Colle Sannita BN 20 2431 100583

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Benevento (60091 inhabitants)
33 Km NE of Caserta (76326 inhabitants)
42 Km NE of Acerra (59573 inhabitants)
42 Km NW of Avellino (54857 inhabitants)
47 Km NE of Afragola (65057 inhabitants)
49 Km NE of Aversa (53047 inhabitants)
50 Km NE of Casoria (77642 inhabitants)
52 Km NE of Giugliano in Campania (122974 inhabitants)
55 Km NE of Portici (55274 inhabitants)
56 Km NE of Marano di Napoli (59874 inhabitants)
57 Km NE of Ercolano (53709 inhabitants)
58 Km NE of Napoli (974074 inhabitants)
58 Km NE of Torre del Greco (86275 inhabitants)
59 Km N of Scafati (50787 inhabitants)
64 Km N of Cava de' Tirreni (53659 inhabitants)
65 Km NE of Pozzuoli (81661 inhabitants)
66 Km N of Castellammare di Stabia (66466 inhabitants)
67 Km N of Salerno (135261 inhabitants)
78 Km SW of San Severo (53905 inhabitants)
79 Km W of Foggia (151991 inhabitants)
80 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
Bulletin
Rev1000 		ML 1.4 2021-12-24
00:19:08		 41.2737 14.6288 10 2022-03-30
13:04:24		 Bollettino Sismico Italiano INGV 99051411
Reviewed
Rev100 		ML 1.5 2021-12-24
00:19:07		 41.245 14.6502 18 2021-12-24
00:24:16		 Sala Sismica INGV-Roma 98875991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-24 00:19:08 ± 0.06
Latitude 41.2737 ± 0.0036
Longitude 14.6288 ± 0.0048
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99051411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 444
Semi-minor axis of confidence ellipse (meter) 293
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 68
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32825
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 99051411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-24 11:37:56

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 98875991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-24 00:24:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IOCA.HHZ. 2021-12-24T00:19:24.80 3.0 positive manual P 1.52 0
IV.GATE.HHZ. 2021-12-24T00:19:20.60 0.1 undecidable manual S 41 35.4423 50 0.32 90
IV.VAGA.HHZ. 2021-12-24T00:19:20.64 0.1 undecidable manual S 296 36.4413 50 0.09 95
IV.BSSO.HHZ. 2021-12-24T00:19:19.08 0.1 undecidable manual S 355 30.3474 50 0.15 95
IV.MRB1.HNZ. 2021-12-24T00:19:19.86 0.3 undecidable manual S 120 32.9448 50 0.26 69
IV.SGG.HHZ. 2021-12-24T00:19:17.43 0.1 undecidable manual S 301 24.2535 50 0.12 96
IV.PAOL.HNZ. 2021-12-24T00:19:17.87 0.3 undecidable manual S 191 27.3504 50 -0.26 70
IV.VAGA.HHZ. 2021-12-24T00:19:15.44 0.1 undecidable manual P 296 36.4413 50 0.12 94
IX.BENI.HNZ.01 2021-12-24T00:19:15.88 0.3 undecidable manual S 143 19.869 117 -0.05 74
IV.GATE.HHZ. 2021-12-24T00:19:15.22 0.1 negative manual P 41 35.4423 50 0.06 96
IV.SACR.HHZ. 2021-12-24T00:19:14.56 0.1 undecidable manual S 25 15.1737 124 0.05 99
IV.MRB1.HNZ. 2021-12-24T00:19:14.46 0.3 undecidable manual P 120 32.9448 50 -0.31 68
IV.PSB1.HHZ. 2021-12-24T00:19:14.47 0.1 undecidable manual S 110 16.1727 122 -0.33 93
IV.SGG.HHZ. 2021-12-24T00:19:13.43 0.1 undecidable manual P 301 24.2535 50 -0.01 98
IV.PAOL.HNZ. 2021-12-24T00:19:13.53 0.3 undecidable manual P 191 27.3504 50 -0.39 68
IV.BSSO.HHZ. 2021-12-24T00:19:13.90 0.1 positive manual P 355 30.3474 50 -0.48 88
IV.PTRJ.HHZ. 2021-12-24T00:19:13.84 0.3 undecidable manual S 320 13.0758 128 -0.07 74
IV.VITU.HHZ. 2021-12-24T00:19:13.62 0.1 undecidable manual S 179 9.9789 136 0.49 91
IV.PSB1.HHZ. 2021-12-24T00:19:12.06 0.1 negative manual P 110 16.1727 122 0.06 99
IX.BENI.HNZ.01 2021-12-24T00:19:12.75 0.3 undecidable manual P 143 19.869 117 0.1 73
IV.PTRJ.HHZ. 2021-12-24T00:19:11.01 0.3 undecidable manual P 320 13.0758 128 -0.48 68
IV.VITU.HHZ. 2021-12-24T00:19:11.25 0.1 undecidable manual P 179 9.9789 136 0.22 97
IV.SACR.HHZ. 2021-12-24T00:19:11.82 0.1 positive manual P 25 15.1737 124 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VITU.HHE. ML:1.4 0.00035749910000000003 0.86 AML other m 2021-12-24T00:19:14.39
IV.SACR.HHN. ML:1.3 0.00019780885 0.34 AML other m 2021-12-24T00:19:15.56
IV.VITU.HHN. ML:1.6 0.00045437235 0.44 AML other m 2021-12-24T00:19:13.00
IV.SACR.HHE. ML:1.2 0.00016208895 0.8 AML other m 2021-12-24T00:19:15.10
IV.PSB1.HNE. ML:1.5 0.0002805 0.44 AML other m 2021-12-24T00:19:17.35
IV.PSB1.HHE. ML:1.5 0.0002935 0.46 AML other m 2021-12-24T00:19:17.36
IV.PSB1.HHN. ML:1.2 0.00014854465 0.32 AML other m 2021-12-24T00:19:16.04
IV.SGG.HHE. ML:1.3 0.0001205 0.42 AML other m 2021-12-24T00:19:18.27
IV.PSB1.HNN. ML:1.2 0.00014806535 0.31 AML other m 2021-12-24T00:19:16.19
IV.BSSO.HHE. ML:1.4 0.0001285 0.5 AML other m 2021-12-24T00:19:19.32
IV.SGG.HHN. ML:1.0 0.000061070685 0.56 AML other m 2021-12-24T00:19:17.76
IV.BSSO.HHN. ML:1.2 0.000072052825 0.34 AML other m 2021-12-24T00:19:19.23
IV.VAGA.HHN. ML:1.2 0.00005792625 0.26 AML other m 2021-12-24T00:19:22.11
IV.PTRJ.HHN. ML:1.7 0.00048153245 0.22 AML other m 2021-12-24T00:19:14.11
IV.VITU.HNN. ML:1.6 0.00044873515 0.58 AML other m 2021-12-24T00:19:14.07
IV.SGG.HNN. ML:1.4 0.00013741985 0.54 AML other m 2021-12-24T00:19:18.81
IV.VAGA.HNN. ML:1.3 0.00007793681 0.71 AML other m 2021-12-24T00:19:22.12
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