Earthquake with magnitude of ML 1.4 on date 21-12-2018 and time 01:46:09 (UTC) in region 4 km SE Montecilfone (CB)

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

  • 21-12-2018 01:46:09 (UTC)
  • 21-12-2018 02:46:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.8720, 14.8670 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.

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 4 1348 1348
Guglionesi CB 6 5321 6669
Palata CB 7 1726 8395
Larino CB 9 6793 15188
Tavenna CB 10 718 15906
Guardialfiera CB 10 1065 16971
Acquaviva Collecroce CB 10 672 17643
Montenero di Bisaccia CB 12 6675 24318
San Martino in Pensilis CB 12 4793 29111
San Giacomo degli Schiavoni CB 12 1406 30517
Portocannone CB 13 2551 33068
Ururi CB 14 2693 35761
Montorio nei Frentani CB 14 437 36198
Castelmauro CB 14 1505 37703
San Felice del Molise CB 14 634 38337
Casacalenda CB 15 2135 40472
Mafalda CB 15 1211 41683
Petacciato CB 16 3819 45502
Lupara CB 16 505 46007
Montelongo CB 17 365 46372
Campomarino CB 17 7712 54084
Provvidenti CB 17 119 54203
Civitacampomarano CB 18 417 54620
Rotello CB 18 1212 55832
Termoli CB 18 33739 89571
Montemitro CB 18 395 89966
Castelbottaccio CB 19 312 90278
Montefalcone nel Sannio CB 19 1556 91834
Morrone del Sannio CB 19 587 92421
Bonefro CB 20 1384 93805

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km W of San Severo (53905 inhabitants)
72 Km NW of Foggia (151991 inhabitants)
79 Km SE of Chieti (51815 inhabitants)
83 Km N of Benevento (60091 inhabitants)
85 Km SE of Pescara (121014 inhabitants)
92 Km W of Manfredonia (57279 inhabitants)
93 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 1.4 2018-12-21
01:46:09
41.8723 14.8668 18 2019-06-04
09:16:05
Bollettino Sismico Italiano INGV 64495341
Reviewed
Rev100
ML 1.7 2018-12-21
01:46:10
41.846 14.8567 12 2018-12-21
01:54:57
Sala Sismica INGV-Roma 64033951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-21 01:46:09 ± 0.11
Latitude 41.8723 ± 0.0054
Longitude 14.8668 ± 0.0060
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 64495341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 538
Semi-minor axis of confidence ellipse (meter) 277
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.72845
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 64495341
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-17 09:07:51

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 64033951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-21 01:54:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHZ. 2018-12-21T01:46:33.79 0.3 undecidable manual S 281 80.8635 96 0 65
IV.VAGA.HHZ. 2018-12-21T01:46:31.17 1.0 undecidable manual S 226 72.9714 97 -0.51 20
IV.MOCO.HNE. 2018-12-21T01:46:29.01 0.6 undecidable manual S 156 60.6948 98 0.55 40
IV.PTRJ.HNN. 2018-12-21T01:46:29.23 1.0 undecidable manual S 207 62.9925 98 0.19 22
IV.SGG.HHN. 2018-12-21T01:46:29.55 1.0 undecidable manual S 217 67.377 97 -0.66 19
IV.RNI2.HHZ. 2018-12-21T01:46:28.83 1.0 undecidable manual S 253 61.9935 98 0.04 23
IV.APRC.HHZ. 2018-12-21T01:46:27.44 0.3 undecidable manual S 103 57.2982 99 -0.12 67
IV.SACR.HHZ. 2018-12-21T01:46:26.46 0.3 undecidable manual S 194 54.3012 100 -0.31 65
IV.BSSO.HHZ. 2018-12-21T01:46:24.16 0.6 undecidable manual S 212 42.624 103 0.44 43
IV.INTR.HHZ. 2018-12-21T01:46:23.35 0.1 negative manual P 281 80.8635 96 -0.24 83
IV.GATE.HHZ. 2018-12-21T01:46:22.78 0.6 undecidable manual S 175 40.0266 104 -0.25 45
IV.VAGA.HHZ. 2018-12-21T01:46:22.32 0.3 undecidable manual P 226 72.9714 97 -0.05 66
IV.SGG.HHN. 2018-12-21T01:46:21.22 0.6 undecidable manual P 217 67.377 97 -0.3 42
IV.PTRJ.HNN. 2018-12-21T01:46:21.12 0.3 undecidable manual P 207 62.9925 98 0.27 64
IV.LPEL.HHZ. 2018-12-21T01:46:20.33 0.1 undecidable manual P 289 59.5959 99 -0.01 90
IV.MOCO.HNE. 2018-12-21T01:46:20.79 0.6 undecidable manual P 156 60.6948 98 0.28 43
IV.RNI2.HHZ. 2018-12-21T01:46:20.37 0.3 undecidable manual P 253 61.9935 98 -0.33 63
IV.CIGN.HHZ. 2018-12-21T01:46:19.18 0.3 undecidable manual S 173 24.3534 117 0.07 71
IV.SACR.HHZ. 2018-12-21T01:46:19.41 0.1 positive manual P 194 54.3012 100 -0.13 90
IV.APRC.HHZ. 2018-12-21T01:46:19.43 0.1 undecidable manual P 103 57.2982 99 -0.56 81
IV.MELA.HHZ. 2018-12-21T01:46:19.96 0.3 undecidable manual S 131 28.3494 112 -0.11 71
IV.GATE.HHZ. 2018-12-21T01:46:18.17 0.1 positive manual P 175 40.0266 104 0.8 76
IV.BSSO.HHZ. 2018-12-21T01:46:18.25 0.1 undecidable manual P 212 42.624 103 0.48 85
IV.TRIV.HHZ. 2018-12-21T01:46:16.14 0.3 undecidable manual P 246 28.6491 112 0.43 66
IT.GLNS.HNZ. 2018-12-21T01:46:16.17 0.3 undecidable manual S 44 6.0939 158 0.47 67
IV.FRES.HHZ. 2018-12-21T01:46:15.05 0.3 undecidable manual P 305 19.7691 124 0.55 65
IT.GDFR.HNZ. 2018-12-21T01:46:15.54 0.3 undecidable manual S 217 9.5793 147 -0.58 66
IV.CIGN.HHZ. 2018-12-21T01:46:15.13 0.1 positive manual P 173 24.3534 117 0.02 97
IT.MCLF.HNZ. 2018-12-21T01:46:15.64 0.6 undecidable manual S 323 4.0959 165 0.12 49
IV.MELA.HHZ. 2018-12-21T01:46:15.58 0.1 negative manual P 131 28.3494 112 -0.09 95
IT.PLTA.HNZ. 2018-12-21T01:46:15.41 0.3 undecidable manual S 284 6.5934 157 -0.34 70
IT.LRNO.HNZ. 2018-12-21T01:46:13.01 0.1 undecidable manual P 149 8.4804 151 -0.29 94
IT.PLTA.HNZ. 2018-12-21T01:46:13.16 0.1 negative manual P 284 6.5934 157 -0.01 100
IT.GDFR.HNZ. 2018-12-21T01:46:13.09 0.1 negative manual P 217 9.5793 147 -0.29 94
IT.GLNS.HNZ. 2018-12-21T01:46:13.43 0.1 positive manual P 44 6.0939 158 0.29 94
IT.MCLF.HNZ. 2018-12-21T01:46:12.98 0.1 positive manual P 323 4.0959 165 -0.06 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRES.HHN. ML:1.8 0.00035871165 0.08 AML other m 2018-12-21T01:46:18.81
IV.CIGN.HHN. ML:1.4 0.0001366219 0.58 AML other m 2018-12-21T01:46:19.40
IV.FRES.HHE. ML:2.0 0.0006544057 0.26 AML other m 2018-12-21T01:46:19.54
IV.MELA.HHE. ML:1.9 0.00038257825 0.12 AML other m 2018-12-21T01:46:20.08
IV.MELA.HNE. ML:1.9 0.00038586025 0.1304 AML other m 2018-12-21T01:46:20.15
IV.MELA.HHN. ML:2.0 0.0005148546 0.22 AML other m 2018-12-21T01:46:20.14
IV.MELA.HNN. ML:2.0 0.0004439482 0.2096 AML other m 2018-12-21T01:46:20.14
IV.TRIV.HHN. ML:1.1 0.000056120660000000004 0.18 AML other m 2018-12-21T01:46:21.68
IV.CIGN.HHE. ML:1.4 0.00012508565 0.4 AML other m 2018-12-21T01:46:21.84
IV.TRIV.HHE. ML:1.2 0.000066579925 0.02 AML other m 2018-12-21T01:46:22.03
IV.TRIV.HNN. ML:1.2 0.00006399999000000001 0.32 AML other m 2018-12-21T01:46:22.28
IV.GATE.HHN. ML:0.8 0.000020342419999999998 0.28 AML other m 2018-12-21T01:46:23.42
IV.TRIV.HNE. ML:1.4 0.00010239737 0.62 AML other m 2018-12-21T01:46:24.71
IV.BSSO.HHE. ML:1.1 0.000038130220000000004 0.5 AML other m 2018-12-21T01:46:25.27
IV.BSSO.HHN. ML:1.1 0.000038346875 1.54 AML other m 2018-12-21T01:46:25.10
IV.SACR.HHN. ML:1.2 0.00003705504 0.5 AML other m 2018-12-21T01:46:27.21
IV.SACR.HHE. ML:1.3 0.000043489664999999996 0.32 AML other m 2018-12-21T01:46:27.26
IV.SACR.HNN. ML:1.4 0.00005738963 0.64 AML other m 2018-12-21T01:46:27.92
IV.RNI2.HHN. ML:1.5 0.00005832593 1.86 AML other m 2018-12-21T01:46:29.00
IV.RNI2.HNN. ML:1.5 0.000057457389999999996 1.86 AML other m 2018-12-21T01:46:29.00
IV.LPEL.HHN. ML:1.5 0.000061753605 0.24 AML other m 2018-12-21T01:46:30.31
IV.LPEL.HHE. ML:1.6 0.000082301965 0.14 AML other m 2018-12-21T01:46:31.16
IV.RNI2.HNE. ML:1.4 0.000051677440000000004 0.14 AML other m 2018-12-21T01:46:31.40
IV.APRC.HHE. ML:1.5 0.000063573335 0.18 AML other m 2018-12-21T01:46:31.53
IV.INTR.HHN. ML:1.4 0.000037139575000000004 0.3 AML other m 2018-12-21T01:46:35.74
IV.INTR.HHE. ML:1.4 0.00003365054 0.3 AML other m 2018-12-21T01:46:36.12
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download