Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 19-12-2020 and time 06:30:39 (UTC) in region 4 km SE Ripabottoni (CB)

A magnitude ML 1.4 earthquake occured in region: 4 km SE Ripabottoni (CB), on

  • 19-12-2020 06:30:39 (UTC)
  • 19-12-2020 07:30:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.6580, 14.8350 at 20 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
Ripabottoni CB 4 514 514
Sant'Elia a Pianisi CB 5 1818 2332
Monacilioni CB 6 523 2855
Campolieto CB 6 839 3694
Provvidenti CB 7 119 3813
Morrone del Sannio CB 8 587 4400
Pietracatella CB 9 1375 5775
Casacalenda CB 9 2135 7910
Macchia Valfortore CB 10 576 8486
Bonefro CB 10 1384 9870
Castellino del Biferno CB 10 545 10415
San Giovanni in Galdo CB 11 580 10995
Toro CB 11 1391 12386
San Giuliano di Puglia CB 11 1042 13428
Matrice CB 11 1115 14543
Colletorto CB 12 1938 16481
Petrella Tifernina CB 12 1170 17651
Montelongo CB 13 365 18016
Campodipietra CB 13 2570 20586
Montagano CB 13 1086 21672
Montorio nei Frentani CB 14 437 22109
Carlantino FG 14 980 23089
Santa Croce di Magliano CB 14 4435 27524
Lupara CB 14 505 28029
Lucito CB 15 696 28725
Castelbottaccio CB 15 312 29037
Ripalimosani CB 15 3114 32151
Jelsi CB 16 1781 33932
Celenza Valfortore FG 16 1598 35530
Guardialfiera CB 17 1065 36595
Larino CB 17 6793 43388
Rotello CB 18 1212 44600
Gambatesa CB 18 1464 46064
Limosano CB 18 768 46832
Gildone CB 18 809 47641
Civitacampomarano CB 18 417 48058
Campobasso CB 18 49431 97489
Riccia CB 19 5262 102751
Sant'Angelo Limosano CB 20 352 103103
Ferrazzano CB 20 3344 106447

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km W of San Severo (53905 inhabitants)
59 Km N of Benevento (60091 inhabitants)
63 Km W of Foggia (151991 inhabitants)
77 Km NE of Caserta (76326 inhabitants)
83 Km N of Avellino (54857 inhabitants)
88 Km NE of Acerra (59573 inhabitants)
90 Km W of Manfredonia (57279 inhabitants)
92 Km NE of Aversa (53047 inhabitants)
93 Km NE of Afragola (65057 inhabitants)
95 Km SE of Chieti (51815 inhabitants)
95 Km NE of Casoria (77642 inhabitants)
97 Km NE of Giugliano in Campania (122974 inhabitants)
99 Km W of Cerignola (58396 inhabitants)
100 Km NE of Marano di Napoli (59874 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 2020-12-19
06:30:39		 41.6583 14.8353 20 2021-02-26
14:56:14		 Bollettino Sismico Italiano INGV 86096241
Reviewed
Rev100 		ML 1.5 2020-12-19
06:30:38		 41.6555 14.8698 23 2020-12-19
06:40:26		 Sala Sismica INGV-Roma 85535741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-19 06:30:39 ± 0.16
Latitude 41.6583 ± 0.0072
Longitude 14.8353 ± 0.0084
Depth (km) 20 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86096241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 798
Semi-minor axis of confidence ellipse (meter) 193
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 163
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.80309
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 86096241
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-01 02:03:40

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 85535741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-19 06:40:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.FIE.HGZ. 2020-12-19T06:32:23.88 3.0 undecidable manual Sg 16.1 0
IV.HMDC.HHZ. 2020-12-19T06:31:56.56 3.0 negative manual Pg 8.34 0
IV.ATPI.EHZ. 2020-12-19T06:31:51.36 3.0 undecidable manual Sg 4.3 0
IV.NDIM.HHZ. 2020-12-19T06:31:50.79 3.0 negative manual Pg 9.04 0
IV.IMOL.HNZ. 2020-12-19T06:31:43.42 3.0 negative manual Pg 12.52 0
IV.SICLA.EHZ. 2020-12-19T06:31:37.17 3.0 positive manual Pg 5.72 0
IV.MMO1.EHZ. 2020-12-19T06:31:25.60 3.0 undecidable manual Sg -0.18 0
IV.MMO1.EHZ. 2020-12-19T06:31:10.88 3.0 negative manual Pg 5.5 0
IV.ARRO.EHZ. 2020-12-19T06:31:09.52 3.0 undecidable manual Pg 2.27 0
IV.SNTG.HHZ. 2020-12-19T06:31:06.93 3.0 positive manual Pg -4.68 0
IV.LPEL.HHZ. 2020-12-19T06:31:00.44 0.6 undecidable manual S 309 68.9754 99 0.17 60
IV.MSAG.HHZ. 2020-12-19T06:30:55.34 0.6 undecidable manual P 86 89.1441 97 0.88 45
IV.MIDA.HHZ. 2020-12-19T06:30:54.39 0.6 undecidable manual S 268 48.2184 104 -0.45 59
IV.SGTA.HNZ. 2020-12-19T06:30:52.60 0.3 undecidable manual P 143 72.8715 99 0.63 77
IV.SGRT.HHZ. 2020-12-19T06:30:52.52 0.6 undecidable manual P 82 75.9684 98 0.09 60
IV.LPEL.HHZ. 2020-12-19T06:30:51.38 0.3 undecidable manual P 309 68.9754 99 0.01 62
OT.OT03.EHE. 2020-12-19T06:30:51.74 0.6 undecidable manual P 85 67.6767 99 0.56 54
IV.SACR.HNZ. 2020-12-19T06:30:50.60 0.6 undecidable manual S 200 30.8469 114 0.14 64
IT.GLNS.HNZ. 2020-12-19T06:30:50.25 0.6 undecidable manual S 14 28.9488 116 0.27 64
OT.OT06.EHZ. 2020-12-19T06:30:49.42 0.6 undecidable manual P 87 62.9925 100 -1.03 46
OT.OT05.EHE. 2020-12-19T06:30:49.35 0.6 undecidable manual P 90 63.5919 100 -1.2 42
IV.TRIV.HHZ. 2020-12-19T06:30:49.52 0.6 undecidable manual S 297 26.4513 119 0.12 66
IV.BSSO.HHZ. 2020-12-19T06:30:48.97 0.6 undecidable manual S 238 23.5542 122 0.23 64
IT.LRNO.HNE. 2020-12-19T06:30:47.69 0.3 undecidable manual S 23 17.871 132 0.17 100
IV.MIDA.HHZ. 2020-12-19T06:30:47.32 0.6 undecidable manual P 268 48.2184 104 -0.91 50
IT.PLTA.HNZ. 2020-12-19T06:30:45.25 0.6 undecidable manual P 351 25.5522 120 0.28 63
IT.GLNS.HNZ. 2020-12-19T06:30:45.39 0.3 undecidable manual P 14 28.9488 116 -0.04 99
IT.MCLF.HNZ. 2020-12-19T06:30:45.16 0.3 undecidable manual P 0 26.9508 118 0 100
IV.SACR.HNZ. 2020-12-19T06:30:45.54 0.3 undecidable manual P 200 30.8469 114 -0.16 97
IV.TRIV.HHZ. 2020-12-19T06:30:45.32 0.3 undecidable manual P 297 26.4513 119 0.23 96
IV.CIGN.HHN. 2020-12-19T06:30:45.30 0.6 undecidable manual S 95 5.7942 162 -0.4 63
IV.BSSO.HHZ. 2020-12-19T06:30:44.97 0.3 undecidable manual P 238 23.5542 122 0.26 95
IT.LRNO.HNE. 2020-12-19T06:30:43.90 0.3 undecidable manual P 23 17.871 132 -0.1 99
IV.CIGN.HHN. 2020-12-19T06:30:42.60 0.3 undecidable manual P 95 5.7942 162 -0.36 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BSSO.HHN. ML:1.2 0.0000854 0.98 AML other m 2020-12-19T06:30:49.50
IV.TRIV.HHN. ML:1.3 0.00008925 1.62 AML other m 2020-12-19T06:30:50.94
IV.TRIV.HHE. ML:1.5 0.00012905 0.6 AML other m 2020-12-19T06:30:51.00
IV.BSSO.HHE. ML:1.4 0.000108 0.8 AML other m 2020-12-19T06:30:51.83
IV.LPEL.HHE. ML:1.6 0.0000672 0.28 AML other m 2020-12-19T06:31:02.12
IV.LPEL.HHN. ML:1.6 0.00007175000000000001 0.22 AML other m 2020-12-19T06:31:03.87
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