Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 13-02-2021 and time 02:51:36 (UTC) in region 1 km S Ripabottoni (CB)

A magnitude ML 1.8 earthquake occured in region: 1 km S Ripabottoni (CB), on

  • 13-02-2021 02:51:36 (UTC)
  • 13-02-2021 03:51:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.6820, 14.8060 at 17 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 1 514 514
Morrone del Sannio CB 4 587 1101
Provvidenti CB 5 119 1220
Campolieto CB 6 839 2059
Castellino del Biferno CB 7 545 2604
Casacalenda CB 7 2135 4739
Monacilioni CB 8 523 5262
Sant'Elia a Pianisi CB 9 1818 7080
Petrella Tifernina CB 9 1170 8250
Lupara CB 11 505 8755
Matrice CB 11 1115 9870
Bonefro CB 11 1384 11254
San Giovanni in Galdo CB 11 580 11834
Lucito CB 11 696 12530
Castelbottaccio CB 12 312 12842
Montagano CB 12 1086 13928
Toro CB 12 1391 15319
Pietracatella CB 12 1375 16694
Macchia Valfortore CB 13 576 17270
San Giuliano di Puglia CB 13 1042 18312
Montelongo CB 13 365 18677
Guardialfiera CB 14 1065 19742
Montorio nei Frentani CB 14 437 20179
Colletorto CB 14 1938 22117
Ripalimosani CB 14 3114 25231
Campodipietra CB 15 2570 27801
Civitacampomarano CB 15 417 28218
Limosano CB 15 768 28986
Santa Croce di Magliano CB 16 4435 33421
Larino CB 16 6793 40214
Sant'Angelo Limosano CB 17 352 40566
Carlantino FG 17 980 41546
Jelsi CB 18 1781 43327
Rotello CB 18 1212 44539
San Biase CB 18 189 44728
Campobasso CB 18 49431 94159
Castelmauro CB 18 1505 95664
Celenza Valfortore FG 19 1598 97262
Gildone CB 20 809 98071

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km W of San Severo (53905 inhabitants)
61 Km N of Benevento (60091 inhabitants)
66 Km W of Foggia (151991 inhabitants)
78 Km NE of Caserta (76326 inhabitants)
85 Km N of Avellino (54857 inhabitants)
89 Km NE of Acerra (59573 inhabitants)
91 Km SE of Chieti (51815 inhabitants)
93 Km W of Manfredonia (57279 inhabitants)
93 Km NE of Aversa (53047 inhabitants)
94 Km NE of Afragola (65057 inhabitants)
96 Km NE of Casoria (77642 inhabitants)
98 Km NE of Giugliano in Campania (122974 inhabitants)
100 Km SE of Pescara (121014 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 1.8 2021-02-13
02:51:36		 41.6815 14.8063 17 2021-07-12
16:55:12		 Bollettino Sismico Italiano INGV 90499151
Reviewed
Rev100 		ML 2.0 2021-02-13
02:51:35		 41.6783 14.8197 20 2021-02-13
03:00:47		 Sala Sismica INGV-Roma 87095831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-13 02:51:36 ± 0.13
Latitude 41.6815 ± 0.0081
Longitude 14.8063 ± 0.0072
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90499151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 916
Semi-minor axis of confidence ellipse (meter) 216
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 336
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.07824
Epicentral distance of station farthest from the epicenter (degree) 1.04231
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 35
Type of magnitude ML
Reference to an origin 90499151
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-07 09:54:51

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 87095831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-13 03:00:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT13.EHN. 2021-02-13T02:51:56.58 1.0 undecidable manual P 79 115.6953 93 1.14 15
OT.OT12.EHZ. 2021-02-13T02:51:53.13 0.3 undecidable manual P 93 91.4418 94 1.42 41
IV.MSAG.HHZ. 2021-02-13T02:51:53.24 0.3 undecidable manual P 88 91.4418 94 1.53 38
OT.OT14.EHZ. 2021-02-13T02:51:52.20 0.3 undecidable manual P 75 94.1391 94 0.09 68
IV.TREM.HHN. 2021-02-13T02:51:50.20 1.0 undecidable manual P 50 75.9684 96 0.87 19
IV.SGRT.HHZ. 2021-02-13T02:51:49.80 1.0 undecidable manual P 84 78.0663 95 0.15 23
OT.OT07.EHE. 2021-02-13T02:51:49.69 1.0 undecidable manual P 95 75.9684 96 0.36 22
IV.INTR.HHZ. 2021-02-13T02:51:49.52 0.3 undecidable manual P 296 83.0502 95 -0.89 53
IV.LPEL.HHZ. 2021-02-13T02:51:47.12 0.3 undecidable manual P 308 65.49 97 -0.61 62
OT.OT03.EHE. 2021-02-13T02:51:47.84 1.0 undecidable manual P 87 69.9744 96 -0.57 21
OT.OT05.EHZ. 2021-02-13T02:51:47.05 0.3 undecidable manual P 92 65.9895 97 -0.76 59
OT.OT04.EHE. 2021-02-13T02:51:47.03 1.0 undecidable manual P 86 64.2912 97 -0.51 22
IV.VAGA.HHZ. 2021-02-13T02:51:46.04 0.6 undecidable manual P 238 55.8996 98 -0.22 47
IV.APRC.HHZ. 2021-02-13T02:51:46.38 0.6 undecidable manual P 82 61.5939 97 -0.75 39
IT.GLNS.HNE. 2021-02-13T02:51:46.75 0.3 undecidable manual S 20 27.1506 111 0.56 70
IV.VITU.HHZ. 2021-02-13T02:51:46.35 1.0 undecidable manual P 195 57.1983 98 -0.1 24
OT.OT06.EHZ. 2021-02-13T02:51:46.86 0.6 undecidable manual P 89 65.2902 97 -0.83 38
IV.MELA.HHZ. 2021-02-13T02:51:46.28 0.3 undecidable manual S 84 26.6511 112 0.21 74
IV.BSSO.HHZ. 2021-02-13T02:51:45.76 0.3 undecidable manual S 230 23.1546 116 0.55 67
IV.SGG.HHN. 2021-02-13T02:51:45.40 1.0 undecidable manual P 227 48.2184 100 0.31 23
IV.RNI2.HHZ. 2021-02-13T02:51:45.78 0.3 undecidable manual P 273 54.2013 98 -0.22 71
IV.TRIV.HHZ. 2021-02-13T02:51:45.84 0.3 undecidable manual S 294 23.2545 116 0.62 67
IV.MOCO.HNE. 2021-02-13T02:51:45.05 1.0 undecidable manual P 140 45.2214 101 0.41 23
IV.MIDA.HHZ. 2021-02-13T02:51:44.41 0.3 undecidable manual P 265 46.0206 100 -0.34 70
IV.PTRJ.HNN. 2021-02-13T02:51:44.19 1.0 undecidable manual P 213 42.0246 102 0.03 25
IV.PSB1.HNE. 2021-02-13T02:51:44.82 1.0 undecidable manual P 180 50.8158 99 -0.66 21
OT.OT11.EHZ. 2021-02-13T02:51:44.89 0.3 undecidable manual P 113 47.619 100 -0.11 73
IT.LRNO.HNZ. 2021-02-13T02:51:43.91 0.3 undecidable manual S 34 16.7721 127 0.16 77
IV.SACR.HNN. 2021-02-13T02:51:42.93 0.6 undecidable manual P 195 32.6451 107 0.19 49
IV.TRIV.HHZ. 2021-02-13T02:51:41.44 0.3 undecidable manual P 294 23.2545 116 0.05 77
IV.CIGN.HHZ. 2021-02-13T02:51:41.97 0.3 undecidable manual S 110 8.6802 148 -0.32 76
IT.MCLF.HNE. 2021-02-13T02:51:41.62 0.6 undecidable manual P 6 24.5532 114 0.04 52
IV.MELA.HHZ. 2021-02-13T02:51:41.66 0.3 undecidable manual P 84 26.6511 112 -0.22 74
IT.PLTA.HNN. 2021-02-13T02:51:41.98 1.0 undecidable manual P 356 22.755 117 0.65 22
IV.BSSO.HHZ. 2021-02-13T02:51:41.73 0.3 undecidable manual P 230 23.1546 116 0.35 72
IT.GLNS.HNE. 2021-02-13T02:51:41.95 0.3 undecidable manual P 20 27.1506 111 0 77
IT.LRNO.HNZ. 2021-02-13T02:51:40.38 0.3 undecidable manual P 34 16.7721 127 -0.16 76
IV.CIGN.HHZ. 2021-02-13T02:51:39.35 0.1 negative manual P 110 8.6802 148 -0.35 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CIGN.HHE. ML:2.1 0.001080951 0.24 AML other m 2021-02-13T02:51:41.01
IV.CIGN.HHN. ML:2.3 0.0017050000000000001 1.46 AML other m 2021-02-13T02:51:46.23
IV.BSSO.HHN. ML:1.5 0.00017199999999999998 0.36 AML other m 2021-02-13T02:51:46.43
IV.MELA.HNE. ML:2.3 0.00090949375 0.3104 AML other m 2021-02-13T02:51:46.40
IV.BSSO.HHE. ML:1.7 0.00028900000000000003 0.32 AML other m 2021-02-13T02:51:46.59
IV.MELA.HNN. ML:2.6 0.001722282 0.2896 AML other m 2021-02-13T02:51:46.82
IV.MELA.HHN. ML:2.6 0.0017749999999999999 0.28 AML other m 2021-02-13T02:51:46.82
IV.MELA.HHE. ML:2.3 0.0009356566499999999 0.0992 AML other m 2021-02-13T02:51:46.81
IV.TRIV.HHE. ML:1.8 0.0003108107 0.3808 AML other m 2021-02-13T02:51:47.33
IV.TRIV.HNE. ML:1.8 0.00030652315 0.24 AML other m 2021-02-13T02:51:47.33
IV.TRIV.HHN. ML:1.7 0.0002972436 0.3008 AML other m 2021-02-13T02:51:47.77
IV.TRIV.HNN. ML:1.7 0.00027913555 0.28 AML other m 2021-02-13T02:51:47.78
IV.MIDA.HHE. ML:1.5 0.00008331734 0.16 AML other m 2021-02-13T02:51:52.88
OT.OT11.EHN. ML:2.3 0.0004953746499999999 0.1792 AML other m 2021-02-13T02:51:53.10
OT.OT11.EHE. ML:2.3 0.0005530238000000001 0.16 AML other m 2021-02-13T02:51:53.18
IV.MIDA.HNE. ML:1.6 0.000117727925 0.1808 AML other m 2021-02-13T02:51:53.25
IV.MIDA.HHN. ML:1.7 0.00013000000000000002 0.16 AML other m 2021-02-13T02:51:53.25
IV.RNI2.HNE. ML:1.5 0.00007698683500000001 0.6592 AML other m 2021-02-13T02:51:53.60
IV.MIDA.HNN. ML:1.5 0.00009151085 0.3008 AML other m 2021-02-13T02:51:54.60
IV.APRC.HHN. ML:2.0 0.00017900255 0.1392 AML other m 2021-02-13T02:51:56.72
IV.RNI2.HNN. ML:1.5 0.00007160008499999999 0.2192 AML other m 2021-02-13T02:51:57.90
IV.RNI2.HHN. ML:1.5 0.00007270716 0.1984 AML other m 2021-02-13T02:51:57.89
IV.APRC.HHE. ML:1.9 0.0001473409 0.28 AML other m 2021-02-13T02:51:58.63
IV.LPEL.HNE. ML:1.9 0.00015141206000000002 0.1696 AML other m 2021-02-13T02:51:59.22
IV.LPEL.HHN. ML:1.9 0.000157 0.3 AML other m 2021-02-13T02:51:59.10
IV.LPEL.HNN. ML:2.0 0.00018162605000000002 0.2192 AML other m 2021-02-13T02:51:59.36
OT.OT05.EHN. ML:1.6 0.0000769 1.6 AML other m 2021-02-13T02:52:00.84
IV.LPEL.HHE. ML:2.0 0.00017258255 0.2208 AML other m 2021-02-13T02:52:00.60
IV.RNI2.HHE. ML:1.6 0.00008599277499999999 0.4 AML other m 2021-02-13T02:52:01.07
OT.OT05.EHE. ML:1.7 0.000085568055 0.32 AML other m 2021-02-13T02:52:02.99
IV.SGRT.HHN. ML:1.8 0.00008861279499999999 0.1808 AML other m 2021-02-13T02:52:03.45
IV.SGRT.HHE. ML:1.9 0.00011258875 0.16 AML other m 2021-02-13T02:52:03.46
OT.OT12.EHE. ML:2.1 0.000128 0.28 AML other m 2021-02-13T02:52:06.40
IV.INTR.HHE. ML:1.6 0.00005554328 0.24 AML other m 2021-02-13T02:52:06.46
OT.OT12.EHN. ML:2.1 0.00013801596 0.2208 AML other m 2021-02-13T02:52:06.52
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