Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 24-10-2020 and time 03:06:59 (Italy) in region 6 km SE Montecilfone (CB)

A magnitude ML 1.3 earthquake occured in region: 6 km SE Montecilfone (CB), on

  • 24-10-2020 01:06:59 (UTC)
  • 24-10-2020 03:06:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8630, 14.8790 at 15 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
Montecilfone CB 6 1348 1348
Guglionesi CB 6 5321 6669
Larino CB 7 6793 13462
Palata CB 8 1726 15188
Guardialfiera CB 10 1065 16253
Tavenna CB 11 718 16971
Acquaviva Collecroce CB 11 672 17643
San Martino in Pensilis CB 11 4793 22436
Ururi CB 12 2693 25129
Montorio nei Frentani CB 12 437 25566
Portocannone CB 13 2551 28117
San Giacomo degli Schiavoni CB 13 1406 29523
Montenero di Bisaccia CB 13 6675 36198
Casacalenda CB 14 2135 38333
Castelmauro CB 14 1505 39838
San Felice del Molise CB 15 634 40472
Montelongo CB 15 365 40837
Mafalda CB 16 1211 42048
Lupara CB 16 505 42553
Rotello CB 16 1212 43765
Campomarino CB 17 7712 51477
Provvidenti CB 17 119 51596
Petacciato CB 17 3819 55415
Civitacampomarano CB 18 417 55832
Bonefro CB 18 1384 57216
Termoli CB 18 33739 90955
Morrone del Sannio CB 19 587 91542
Castelbottaccio CB 19 312 91854
Santa Croce di Magliano CB 19 4435 96289
Montemitro CB 19 395 96684
Montefalcone nel Sannio CB 20 1556 98240

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km W of San Severo (53905 inhabitants)
71 Km NW of Foggia (151991 inhabitants)
80 Km SE of Chieti (51815 inhabitants)
82 Km N of Benevento (60091 inhabitants)
87 Km SE of Pescara (121014 inhabitants)
90 Km W of Manfredonia (57279 inhabitants)
94 Km SE of Montesilvano (53738 inhabitants)
99 Km NE of Caserta (76326 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 1.3 2020-10-24
01:06:59		 41.8627 14.879 15 2021-02-26
14:56:19		 Bollettino Sismico Italiano INGV 87210171
Reviewed
Rev100 		ML 1.3 2020-10-24
01:06:59		 41.8243 14.8663 11 2020-10-24
01:29:37		 Sala Sismica INGV-Roma 84073471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-24 01:06:59 ± 0.14
Latitude 41.8627 ± 0.0081
Longitude 14.8790 ± 0.0085
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87210171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 884
Semi-minor axis of confidence ellipse (meter) 446
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 191
Circular confidence region, given by single value of horizontal uncertainty (meter) 880.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 27
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.73924
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 84073471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-24 01:29:37

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 87210171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-16 14:00:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.STON.BHZ. 2020-10-24T01:08:04.64 3.0 undecidable manual Sn -3.42 0
IV.CSP1.EHZ. 2020-10-24T01:07:52.35 3.0 undecidable manual Sn 0.11 0
IV.INTR.HHE. 2020-10-24T01:07:23.84 0.6 undecidable manual S 282 82.0512 94 -0.13 44
IV.RNI2.HNE. 2020-10-24T01:07:19.01 0.6 undecidable manual S 254 62.6928 95 0.21 44
IV.LPEL.HHZ. 2020-10-24T01:07:18.50 0.6 undecidable manual S 290 60.8946 95 0.16 44
IV.MIDA.HHZ. 2020-10-24T01:07:17.11 0.6 undecidable manual S 245 57.1983 96 -0.25 45
IV.APRC.HHZ. 2020-10-24T01:07:16.34 0.6 undecidable manual S 102 56.0994 96 -0.72 38
IV.BSSO.HHE. 2020-10-24T01:07:14.34 0.6 undecidable manual S 214 42.3243 98 0.94 36
IV.INTR.HHE. 2020-10-24T01:07:12.98 0.3 undecidable manual P 282 82.0512 94 -0.68 58
OT.OT06.EHZ. 2020-10-24T01:07:11.26 0.3 undecidable manual P 108 62.3931 95 0.64 60
IV.TREM.HHN. 2020-10-24T01:07:10.43 0.3 undecidable manual P 61 59.496 95 0.25 67
IV.LPEL.HHZ. 2020-10-24T01:07:10.13 0.3 undecidable manual P 290 60.8946 95 -0.28 67
IV.TRIV.HHZ. 2020-10-24T01:07:10.44 0.6 undecidable manual S 249 29.2485 104 0.48 44
IV.APRC.HHZ. 2020-10-24T01:07:10.68 0.3 undecidable manual P 102 56.0994 96 1.01 52
IV.RNI2.HNE. 2020-10-24T01:07:10.49 0.1 undecidable manual P 254 62.6928 95 -0.18 90
IV.MIDA.HHZ. 2020-10-24T01:07:09.24 0.1 undecidable manual P 245 57.1983 96 -0.6 83
IV.MELA.HHZ. 2020-10-24T01:07:09.22 0.3 undecidable manual S 130 26.8509 106 -0.15 71
IV.CIGN.HHZ. 2020-10-24T01:07:08.27 0.6 undecidable manual S 175 23.2545 110 -0.17 48
IV.GATE.HNN. 2020-10-24T01:07:07.56 0.3 undecidable manual P 176 38.8278 99 0.53 65
IV.BSSO.HHE. 2020-10-24T01:07:07.70 0.1 undecidable manual P 214 42.3243 98 0.14 93
IV.TRIV.HHZ. 2020-10-24T01:07:05.78 0.3 undecidable manual P 249 29.2485 104 0.21 70
IT.PLTA.HNZ. 2020-10-24T01:07:05.10 0.6 undecidable manual S 290 7.881 147 -0.05 51
IT.GLNS.HNZ. 2020-10-24T01:07:05.62 0.3 undecidable manual S 31 6.3936 153 0.67 66
IT.LRNO.HNE. 2020-10-24T01:07:04.47 0.3 undecidable manual S 151 7.0929 150 -0.57 65
IV.CIGN.HHZ. 2020-10-24T01:07:04.50 0.3 undecidable manual P 175 23.2545 110 -0.19 71
IV.MELA.HHZ. 2020-10-24T01:07:04.93 0.1 undecidable manual P 130 26.8509 106 -0.3 92
IT.PLTA.HNZ. 2020-10-24T01:07:02.67 0.1 undecidable manual P 290 7.881 147 -0.12 100
IT.GLNS.HNZ. 2020-10-24T01:07:02.90 0.1 undecidable manual P 31 6.3936 153 0.23 98
IT.LRNO.HNE. 2020-10-24T01:07:02.35 0.1 undecidable manual P 151 7.0929 150 -0.38 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CIGN.HHN. ML:1.0 0.0000517 0.62 AML other m 2020-10-24T01:07:08.65
IV.MELA.HHN. ML:1.5 0.000158 0.3 AML other m 2020-10-24T01:07:09.35
IV.MELA.HHE. ML:1.6 0.0001865 0.64 AML other m 2020-10-24T01:07:09.30
IV.CIGN.HHE. ML:0.9 0.00004685 1.08 AML other m 2020-10-24T01:07:15.21
IV.MIDA.HNN. ML:1.8 0.000134 0.42 AML other m 2020-10-24T01:07:16.33
IV.MIDA.HNE. ML:1.2 0.0000363 1.58 AML other m 2020-10-24T01:07:20.07
IV.LPEL.HHN. ML:1.2 0.000029650000000000002 1.18 AML other m 2020-10-24T01:07:21.62
IV.LPEL.HHE. ML:1.2 0.00003585 0.14 AML other m 2020-10-24T01:07:22.06
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