Earthquake with magnitude of ML 2.0 on date 23-08-2018 and time 18:54:27 (UTC) in region 6 km S Montecilfone (CB)

A magnitude ML 2.0 earthquake occured in region: 6 km S Montecilfone (CB), on

  • 23-08-2018 18:54:27 (UTC)
  • 23-08-2018 20:54:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8480, 14.8540 at 14 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 6 1348 1348
Larino CB 7 6793 8141
Guardialfiera CB 7 1065 9206
Palata CB 7 1726 10932
Guglionesi CB 9 5321 16253
Acquaviva Collecroce CB 9 672 16925
Tavenna CB 10 718 17643
Montorio nei Frentani CB 12 437 18080
Casacalenda CB 12 2135 20215
Castelmauro CB 12 1505 21720
San Martino in Pensilis CB 13 4793 26513
San Felice del Molise CB 14 634 27147
Ururi CB 14 2693 29840
Lupara CB 14 505 30345
Montenero di Bisaccia CB 14 6675 37020
Provvidenti CB 15 119 37139
Montelongo CB 15 365 37504
Portocannone CB 15 2551 40055
San Giacomo degli Schiavoni CB 15 1406 41461
Civitacampomarano CB 15 417 41878
Mafalda CB 16 1211 43089
Castelbottaccio CB 16 312 43401
Morrone del Sannio CB 16 587 43988
Rotello CB 17 1212 45200
Bonefro CB 17 1384 46584
Montemitro CB 18 395 46979
Montefalcone nel Sannio CB 18 1556 48535
Ripabottoni CB 18 514 49049
Petacciato CB 19 3819 52868
Lucito CB 19 696 53564
Santa Croce di Magliano CB 19 4435 57999
Castellino del Biferno CB 19 545 58544
Campomarino CB 19 7712 66256

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)
80 Km SE of Chieti (51815 inhabitants)
80 Km N of Benevento (60091 inhabitants)
87 Km SE of Pescara (121014 inhabitants)
92 Km W of Manfredonia (57279 inhabitants)
94 Km SE of Montesilvano (53738 inhabitants)
96 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 2.0 2018-08-23
18:54:27
41.8475 14.8542 14 2019-04-24
14:50:58
Bollettino Sismico Italiano INGV 63633691
Reviewed
Rev100
ML 1.6 2018-08-23
18:54:27
41.8455 14.8442 14 2018-08-23
19:15:55
Sala Sismica INGV-Roma 60135361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-23 18:54:27 ± 0.11
Latitude 41.8475 ± 0.0054
Longitude 14.8542 ± 0.0048
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 63633691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 471
Semi-minor axis of confidence ellipse (meter) 436
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 159
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.09083
Epicentral distance of station farthest from the epicenter (degree) 0.72485
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 63633691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-12-04 13:16:46

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 56
Type of magnitude ML
Reference to an origin 60135361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-23 19:15:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RNI2.HHZ. 2018-08-23T18:54:46.08 0.6 undecidable manual S 255 60.1953 94 0.47 42
IV.LPEL.HHZ. 2018-08-23T18:54:45.49 0.6 undecidable manual S 292 59.5959 94 0.05 46
IV.APRC.HHZ. 2018-08-23T18:54:44.58 0.6 undecidable manual S 100 57.7977 94 -0.4 43
IV.MIDA.HHZ. 2018-08-23T18:54:43.63 0.6 undecidable manual S 246 54.6009 94 -0.49 43
IV.SACR.HNN. 2018-08-23T18:54:43.53 0.6 undecidable manual S 194 51.4152 94 0.26 45
IV.INTR.HHZ. 2018-08-23T18:54:40.33 0.1 undecidable manual P 283 80.4639 92 -0.55 80
IV.VAGA.HHZ. 2018-08-23T18:54:39.50 0.6 undecidable manual P 227 70.2741 93 0.19 44
IV.SGRT.HHZ. 2018-08-23T18:54:39.67 0.3 undecidable manual P 98 74.2701 93 -0.26 65
IV.BSSO.HHZ. 2018-08-23T18:54:39.91 0.6 undecidable manual S 213 39.7269 96 -0.26 46
IV.MELA.HHZ. 2018-08-23T18:54:37.18 0.3 undecidable manual S 125 27.5502 101 0.25 71
IV.LPEL.HHZ. 2018-08-23T18:54:37.51 0.3 undecidable manual P 292 59.5959 94 -0.17 68
IV.MOCO.HHZ. 2018-08-23T18:54:37.83 0.1 undecidable manual P 154 58.6968 94 0.3 89
IV.RNI2.HHZ. 2018-08-23T18:54:37.58 0.1 undecidable manual P 255 60.1953 94 -0.19 90
IV.APRC.HHZ. 2018-08-23T18:54:36.95 0.3 undecidable manual P 100 57.7977 94 -0.45 64
IV.SACR.HNN. 2018-08-23T18:54:36.21 0.3 undecidable manual P 194 51.4152 94 -0.2 68
IV.MIDA.HHZ. 2018-08-23T18:54:36.53 0.1 positive manual P 246 54.6009 94 -0.38 88
IV.TRIV.HHZ. 2018-08-23T18:54:36.97 0.6 undecidable manual S 250 26.6511 102 0.26 47
IV.CIGN.HHZ. 2018-08-23T18:54:35.12 0.6 undecidable manual S 169 21.867 107 -0.35 46
IV.BSSO.HHZ. 2018-08-23T18:54:34.98 0.1 undecidable manual P 213 39.7269 96 0.35 91
IV.FRES.HHZ. 2018-08-23T18:54:34.77 0.6 undecidable manual S 313 20.6682 108 -0.39 47
IV.GATE.HHZ. 2018-08-23T18:54:34.48 0.6 undecidable manual P 173 37.3293 97 0.22 47
YD.T1411.EHZ. 2018-08-23T18:54:33.68 0.6 undecidable manual S 28 12.4764 127 0.47 45
IV.TRIV.HHZ. 2018-08-23T18:54:33.07 0.1 undecidable manual P 250 26.6511 102 0.44 91
IV.CIGN.HHZ. 2018-08-23T18:54:32.10 0.1 negative manual P 169 21.867 107 0.19 97
YD.T1413.EHZ. 2018-08-23T18:54:32.99 0.3 undecidable manual S 88 13.4754 124 -0.44 70
IV.MELA.HHZ. 2018-08-23T18:54:32.71 0.1 negative manual P 125 27.5502 101 -0.05 99
YD.T1412.EHZ. 2018-08-23T18:54:32.64 0.3 undecidable manual S 225 10.0788 135 -0.08 76
IV.FRES.HHZ. 2018-08-23T18:54:32.00 0.1 undecidable manual P 313 20.6682 108 0.26 95
YD.T1411.EHZ. 2018-08-23T18:54:30.88 0.1 positive manual P 28 12.4764 127 0.28 96
YD.T1413.EHZ. 2018-08-23T18:54:30.95 0.1 undecidable manual P 88 13.4754 124 0.22 97
YD.T1412.EHZ. 2018-08-23T18:54:30.20 0.1 positive manual P 225 10.0788 135 -0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
YD.T1412.EHE. ML:2.4 0.0025175910000000004 0.256 AML other m 2018-08-23T18:54:32.81
YD.T1412.HNN. ML:2.3 0.0020132889999999997 0.1536 AML other m 2018-08-23T18:54:33.09
YD.T1411.EHN. ML:2.2 0.0016023835000000001 0.32 AML other m 2018-08-23T18:54:34.23
YD.T1411.HNN. ML:2.3 0.0017226725 0.2944 AML other m 2018-08-23T18:54:34.23
YD.T1413.EHE. ML:2.0 0.000830990565 0.1792 AML other m 2018-08-23T18:54:34.25
YD.T1411.HNE. ML:2.4 0.0022203585 0.2048 AML other m 2018-08-23T18:54:34.09
YD.T1411.EHE. ML:2.4 0.002296766 0.2304 AML other m 2018-08-23T18:54:34.09
YD.T1413.EHN. ML:2.0 0.00098684955 0.1792 AML other m 2018-08-23T18:54:34.24
IV.FRES.HHN. ML:1.7 0.00031955495 0.1152 AML other m 2018-08-23T18:54:35.00
IV.FRES.HHE. ML:1.8 0.00043240365 0.1792 AML other m 2018-08-23T18:54:36.54
IV.MELA.HHN. ML:2.2 0.00073486575 0.1792 AML other m 2018-08-23T18:54:38.07
IV.MELA.HNN. ML:2.2 0.000724868 0.192 AML other m 2018-08-23T18:54:38.20
IV.MELA.HHE. ML:2.0 0.0005803751 0.2176 AML other m 2018-08-23T18:54:38.14
IV.MELA.HNE. ML:2.0 0.0005386912000000001 0.2176 AML other m 2018-08-23T18:54:38.14
IV.TRIV.HHN. ML:1.5 0.00015023264 0.3456 AML other m 2018-08-23T18:54:38.83
IV.TRIV.HNN. ML:1.5 0.0001618729 0.3456 AML other m 2018-08-23T18:54:38.83
IV.LPEL.HHE. ML:1.9 0.00017074394999999997 0.128 AML other m 2018-08-23T18:54:46.53
IV.APRC.HHE. ML:1.8 0.0001180803 0.192 AML other m 2018-08-23T18:54:47.21
IV.APRC.HNE. ML:1.8 0.00013287489999999998 0.2176 AML other m 2018-08-23T18:54:47.23
IV.RNI2.HHE. ML:1.7 0.00010823025999999999 0.2176 AML other m 2018-08-23T18:54:48.12
IV.RNI2.HNE. ML:1.7 0.000106756705 0.2176 AML other m 2018-08-23T18:54:48.12
IV.RNI2.HNN. ML:1.6 0.00007942302500000001 0.2048 AML other m 2018-08-23T18:54:48.13
IV.RNI2.HHN. ML:1.6 0.00008554566 0.2048 AML other m 2018-08-23T18:54:48.13
IV.LPEL.HHN. ML:1.8 0.00014123695 0.2176 AML other m 2018-08-23T18:54:48.28
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