Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 15-11-2021 and time 09:33:25 (Italy) in region 6 km NE San Biase (CB)

A magnitude ML 2.0 earthquake occured in region: 6 km NE San Biase (CB), on

  • 15-11-2021 08:33:25 (UTC)
  • 15-11-2021 09:33:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7620, 14.6150 at 18 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 Biase CB 6 189 189
Trivento CB 6 4730 4919
Civitacampomarano CB 7 417 5336
Lucito CB 7 696 6032
Sant'Angelo Limosano CB 8 352 6384
Castelbottaccio CB 8 312 6696
Roccavivara CB 8 815 7511
Salcito CB 9 683 8194
Limosano CB 9 768 8962
Lupara CB 10 505 9467
San Giovanni Lipioni CH 10 185 9652
Petrella Tifernina CB 10 1170 10822
Castelguidone CH 10 382 11204
Castelmauro CB 11 1505 12709
Fossalto CB 11 1345 14054
Pietracupa CB 12 215 14269
Montefalcone nel Sannio CB 12 1556 15825
Castellino del Biferno CB 12 545 16370
Schiavi di Abruzzo CH 12 860 17230
Celenza sul Trigno CH 13 915 18145
Torrebruna CH 13 825 18970
Montagano CB 14 1086 20056
Montemitro CB 14 395 20451
Bagnoli del Trigno IS 14 735 21186
Morrone del Sannio CB 15 587 21773
Torella del Sannio CB 15 795 22568
Guardialfiera CB 16 1065 23633
San Felice del Molise CB 16 634 24267
Acquaviva Collecroce CB 16 672 24939
Castropignano CB 16 947 25886
Poggio Sannita IS 17 702 26588
Ripalimosani CB 17 3114 29702
Duronia CB 17 405 30107
Tufillo CH 17 406 30513
Belmonte del Sannio IS 17 768 31281
Molise CB 18 167 31448
Castiglione Messer Marino CH 18 1790 33238
Ripabottoni CB 18 514 33752
Provvidenti CB 18 119 33871
Castelverrino IS 18 115 33986
Matrice CB 18 1115 35101
Carunchio CH 19 600 35701
Pietrabbondante IS 19 759 36460
Campolieto CB 19 839 37299
Fraine CH 19 337 37636
Casacalenda CB 20 2135 39771
Oratino CB 20 1641 41412
Palmoli CH 20 923 42335

Municipalities with at least 50000 inhabitants

An earthquake occurred to
64 Km W of San Severo (53905 inhabitants)
72 Km N of Benevento (60091 inhabitants)
75 Km SE of Chieti (51815 inhabitants)
80 Km N of Caserta (76326 inhabitants)
84 Km W of Foggia (151991 inhabitants)
85 Km SE of Pescara (121014 inhabitants)
92 Km SE of Montesilvano (53738 inhabitants)
93 Km N of Acerra (59573 inhabitants)
94 Km NE of Aversa (53047 inhabitants)
95 Km N of Avellino (54857 inhabitants)
97 Km N of Afragola (65057 inhabitants)
99 Km NE of Giugliano in Campania (122974 inhabitants)
99 Km N 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
Bulletin
Rev1000 		ML 2.0 2021-11-15
08:33:25		 41.7618 14.6152 18 2022-03-30
13:04:28		 Bollettino Sismico Italiano INGV 99635511
Reviewed
Rev100 		ML 2.0 2021-11-15
08:33:26		 41.7612 14.6333 11 2021-11-15
08:45:10		 Sala Sismica INGV-Roma 97476461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-15 08:33:25 ± 0.14
Latitude 41.7618 ± 0.0072
Longitude 14.6152 ± 0.0072
Depth (km) 18 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99635511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 769
Semi-minor axis of confidence ellipse (meter) 135
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 179
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.85436
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 97476461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-15 08:45:10

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 99635511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-11 14:50:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRND.HNZ. 2021-11-15T08:35:20.81 3.0 undecidable manual Sn -4.43 0
IV.IVGP.HHZ. 2021-11-15T08:35:10.55 3.0 undecidable manual Sg 11.56 0
IV.ORZI.HHZ. 2021-11-15T08:34:53.67 3.0 undecidable manual Pg 14.01 0
IV.CRND.HNZ. 2021-11-15T08:34:49.67 3.0 positive manual Pg 17.059999 0
IV.PE3.EHZ. 2021-11-15T08:34:41.53 3.0 undecidable manual Sg 4.9 0
IV.CPGN.EHZ. 2021-11-15T08:34:40.82 3.0 undecidable manual Sn 0.2 0
IV.ATMI.HHZ. 2021-11-15T08:34:36.84 3.0 undecidable manual Sn 3.55 0
IV.FIR.HHZ. 2021-11-15T08:34:16.11 3.0 undecidable manual Pn 1.02 0
IV.SENI.HNZ. 2021-11-15T08:34:04.15 3.0 negative manual Pn 2.98 0
IV.VBKN.HHZ. 2021-11-15T08:33:58.07 3.0 undecidable manual S -1.31 0
IV.APRC.HHZ. 2021-11-15T08:33:48.64 0.3 undecidable manual S 90 76.7676 96 -0.27 67
IT.OPI.HGE. 2021-11-15T08:33:45.88 0.6 undecidable manual S 272 64.9905 97 0.1 47
IV.VCEL.EHN. 2021-11-15T08:33:42.89 0.3 undecidable manual P 318 94.8384 95 0.95 50
IV.LPEL.HHZ. 2021-11-15T08:33:41.28 0.3 undecidable manual S 312 47.619 101 0.07 73
IV.SGG.HHZ. 2021-11-15T08:33:41.26 0.6 undecidable manual S 205 46.0206 101 0.48 45
IV.CERA.HNN. 2021-11-15T08:33:41.68 0.6 undecidable manual S 250 52.7028 99 -0.86 38
OT.OT05.EHZ. 2021-11-15T08:33:40.56 0.6 undecidable manual P 98 82.5507 95 0.5 41
IV.TREM.HHN. 2021-11-15T08:33:40.53 0.6 undecidable manual P 61 83.9493 95 0.25 44
IV.POFI.HNE. 2021-11-15T08:33:39.59 0.6 undecidable manual P 267 74.8695 96 0.7 39
IV.MELA.HNN. 2021-11-15T08:33:39.51 0.6 undecidable manual S 98 42.8238 102 -0.44 46
IV.RNI2.HHZ. 2021-11-15T08:33:39.97 0.3 undecidable manual S 261 38.8278 104 1.05 54
IV.SACR.HNE. 2021-11-15T08:33:39.54 0.3 undecidable manual S 169 41.1255 103 0.03 75
IV.T0110.HHZ. 2021-11-15T08:33:39.95 0.3 undecidable manual P 307 86.4468 95 -0.7 58
IV.APRC.HHZ. 2021-11-15T08:33:39.78 0.3 undecidable manual P 90 76.7676 96 0.61 60
IV.MOCO.HNE. 2021-11-15T08:33:38.06 0.3 undecidable manual P 134 62.5929 98 1.06 51
IV.MIDA.HHZ. 2021-11-15T08:33:37.78 0.6 undecidable manual S 246 32.745 108 0.44 47
IV.INTR.HHZ. 2021-11-15T08:33:36.92 0.3 undecidable manual P 295 64.8906 97 -0.43 66
IT.OPI.HGE. 2021-11-15T08:33:36.94 0.3 undecidable manual P 272 64.9905 97 -0.42 66
IV.CERA.HNN. 2021-11-15T08:33:35.02 0.3 undecidable manual P 250 52.7028 99 -0.47 67
IV.BSSO.HHZ. 2021-11-15T08:33:34.91 0.6 undecidable manual S 184 23.9538 116 -0.27 48
IV.SGG.HHZ. 2021-11-15T08:33:34.04 0.3 undecidable manual P 205 46.0206 101 -0.44 68
IV.LPEL.HHZ. 2021-11-15T08:33:34.68 0.1 positive manual P 312 47.619 101 -0.05 99
IT.PLTA.HNE. 2021-11-15T08:33:34.32 0.3 undecidable manual S 46 19.9689 122 0.09 77
IV.VAGA.HHZ. 2021-11-15T08:33:34.67 0.3 undecidable manual P 220 49.8168 100 -0.38 68
IV.TST01.HHZ. 2021-11-15T08:33:34.16 0.3 undecidable manual S 266 18.9699 124 0.16 76
IV.SACR.HNE. 2021-11-15T08:33:33.31 0.3 undecidable manual P 169 41.1255 103 -0.43 68
IV.GATE.HHZ. 2021-11-15T08:33:33.48 0.3 undecidable manual P 138 36.8298 105 0.37 70
IV.MELA.HNN. 2021-11-15T08:33:33.17 0.3 undecidable manual P 98 42.8238 102 -0.83 59
IV.RNI2.HHZ. 2021-11-15T08:33:33.52 0.1 undecidable manual P 261 38.8278 104 0.12 98
IV.MIDA.HHZ. 2021-11-15T08:33:32.40 0.1 positive manual P 246 32.745 108 -0.09 100
IV.BSSO.HHZ. 2021-11-15T08:33:31.43 0.1 positive manual P 184 23.9538 116 0.19 100
IT.PLTA.HNE. 2021-11-15T08:33:30.32 0.3 undecidable manual P 46 19.9689 122 -0.38 72
IV.TST01.HHZ. 2021-11-15T08:33:30.61 0.3 undecidable manual P 266 18.9699 124 0.04 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TST01.HHN. ML:2.0 0.000606 0.28 AML other m 2021-11-15T08:33:36.70
IV.TST01.HHE. ML:1.7 0.00030649999999999997 1.56 AML other m 2021-11-15T08:33:36.16
IV.BSSO.HHE. ML:2.3 0.0009955 0.38 AML other m 2021-11-15T08:33:37.01
IV.BSSO.HNE. ML:2.2 0.0009475 0.4 AML other m 2021-11-15T08:33:37.01
IV.BSSO.HHN. ML:2.1 0.000657 1.14 AML other m 2021-11-15T08:33:37.28
IV.BSSO.HNN. ML:2.1 0.000629 1.16 AML other m 2021-11-15T08:33:37.28
IV.MIDA.HHE. ML:2.1 0.0005265 0.56 AML other m 2021-11-15T08:33:38.28
IV.MIDA.HHN. ML:2.2 0.0006625 0.6 AML other m 2021-11-15T08:33:38.42
IV.RNI2.HHN. ML:2.1 0.000445 0.34 AML other m 2021-11-15T08:33:40.21
IV.RNI2.HHE. ML:2.2 0.0005005 0.18 AML other m 2021-11-15T08:33:40.43
IV.LPEL.HHE. ML:2.2 0.0003805 0.36 AML other m 2021-11-15T08:33:42.37
IV.LPEL.HHN. ML:2.3 0.00054 0.16 AML other m 2021-11-15T08:33:42.97
IV.SGG.HHN. ML:1.6 0.00011549999999999999 0.5 AML other m 2021-11-15T08:33:46.39
IV.VAGA.HHE. ML:1.6 0.0001048 1.14 AML other m 2021-11-15T08:33:46.89
IV.SGG.HHE. ML:1.6 0.00011645 0.72 AML other m 2021-11-15T08:33:47.02
IV.VAGA.HHN. ML:1.9 0.000178 0.26 AML other m 2021-11-15T08:33:47.44
IV.INTR.HHN. ML:2.0 0.00018099999999999998 0.42 AML other m 2021-11-15T08:33:47.47
IV.INTR.HHE. ML:1.8 0.0001215 0.42 AML other m 2021-11-15T08:33:49.27
IV.APRC.HHE. ML:2.2 0.000247 0.92 AML other m 2021-11-15T08:33:50.64
IV.APRC.HHN. ML:2.2 0.000237 1.76 AML other m 2021-11-15T08:33:51.99
OT.OT05.EHE. ML:0.6 0.000004160000000000001 0.46 AML other m 2021-11-15T08:34:00.91
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
Waveforms Seismic signals in miniseed + resp format Download