Earthquake with magnitude of ML 1.9 on date 18-08-2018 and time 21:59:58 (Italy) in region 5 km SE Montecilfone (CB)

A magnitude ML 1.9 earthquake occured in region: 5 km SE Montecilfone (CB), on

  • 18-08-2018 19:59:58 (UTC)
  • 18-08-2018 21:59:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8660, 14.8790 at 21 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 5 1348 1348
Guglionesi CB 6 5321 6669
Larino CB 8 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
Portocannone CB 12 2551 24987
Ururi CB 12 2693 27680
San Giacomo degli Schiavoni CB 13 1406 29086
Montorio nei Frentani CB 13 437 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 16 365 40837
Mafalda CB 16 1211 42048
Campomarino CB 16 7712 49760
Rotello CB 17 1212 50972
Lupara CB 17 505 51477
Petacciato CB 17 3819 55296
Provvidenti CB 17 119 55415
Civitacampomarano CB 18 417 55832
Termoli CB 18 33739 89571
Bonefro CB 19 1384 90955
Castelbottaccio CB 19 312 91267
Morrone del Sannio CB 19 587 91854
Montemitro CB 19 395 92249
Santa Croce di Magliano CB 19 4435 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)
86 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 1.9 2018-08-18
19:59:58
41.8657 14.8788 21 2019-04-24
14:51:19
Bollettino Sismico Italiano INGV 67277101
Reviewed
Rev100
ML 2.0 2018-08-18
19:59:58
41.8558 14.886 21 2018-08-18
20:04:35
Sala Sismica INGV-Roma 59918301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-18 19:59:58 ± 0.12
Latitude 41.8657 ± 0.0054
Longitude 14.8788 ± 0.0072
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67277101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 504
Semi-minor axis of confidence ellipse (meter) 486
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 196
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.93350
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:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 22
Type of magnitude ML
Reference to an origin 59918301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-18 20:04:35

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 67277101
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-05 14:21:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SBPO.HNZ. 2018-08-18T20:01:59.14 3.0 undecidable manual Sn 1.27 0
GU.GSCL.HHZ. 2018-08-18T20:01:45.20 3.0 undecidable manual Sn -5.16 0
GU.GBOS.HHZ. 2018-08-18T20:01:39.13 3.0 undecidable manual Pg 14.74 0
IV.SARZ.HHZ. 2018-08-18T20:01:22.40 3.0 undecidable manual Pn 3.22 0
IV.ZONE.HHZ. 2018-08-18T20:01:21.02 3.0 positive manual Pn 2.64 0
IV.FOSV.EHZ. 2018-08-18T20:01:09.11 3.0 undecidable manual Sg 4.67 0
IV.GMB.BHZ. 2018-08-18T20:00:54.58 3.0 undecidable manual Pn -3.24 0
IV.ORI.HHZ. 2018-08-18T20:00:38.24 3.0 undecidable manual Pg 1.75 0
OT.TAR1.HHZ. 2018-08-18T20:00:35.31 3.0 negative manual Pn -2.91 0
IV.VCEL.EHZ. 2018-08-18T20:00:17.13 0.6 undecidable manual P 305 103.6185 97 0.96 32
IV.SACR.HHZ. 2018-08-18T20:00:15.85 0.6 undecidable manual S 196 53.9016 104 -0.03 47
IV.BSSO.HHE. 2018-08-18T20:00:13.54 0.6 undecidable manual S 214 42.624 109 0.56 42
IV.INTR.HHZ. 2018-08-18T20:00:12.48 0.3 undecidable manual P 282 81.9513 99 -0.39 61
IV.VAGA.HHZ. 2018-08-18T20:00:11.17 0.3 undecidable manual P 227 73.1712 100 -0.35 63
IV.SGRT.HHZ. 2018-08-18T20:00:11.68 0.3 undecidable manual P 99 72.5718 100 0.25 65
IV.MOCO.HHZ. 2018-08-18T20:00:09.85 0.3 undecidable manual P 157 59.6958 102 0.37 65
IV.LPEL.HHZ. 2018-08-18T20:00:09.77 0.3 undecidable manual P 290 60.7947 102 0.12 68
IV.RNI2.HNE. 2018-08-18T20:00:09.61 0.3 undecidable manual P 254 62.6928 102 -0.34 64
IV.MELA.HHZ. 2018-08-18T20:00:09.10 0.6 undecidable manual S 131 27.1506 121 -0.11 48
IV.APRC.HHZ. 2018-08-18T20:00:08.60 0.3 undecidable manual P 102 56.1993 103 -0.36 64
IV.CIGN.HHZ. 2018-08-18T20:00:08.05 0.6 undecidable manual S 175 23.5542 125 -0.36 46
IV.SACR.HHZ. 2018-08-18T20:00:08.50 0.1 positive manual P 196 53.9016 104 -0.12 91
IV.FRES.HHZ. 2018-08-18T20:00:07.45 0.6 undecidable manual S 305 21.0678 129 -0.42 46
IV.GATE.HNN. 2018-08-18T20:00:07.13 0.6 undecidable manual P 176 39.2274 110 0.69 40
IV.BSSO.HHE. 2018-08-18T20:00:07.12 0.1 undecidable manual P 214 42.624 109 0.17 92
YD.T1413.EHZ. 2018-08-18T20:00:06.10 0.3 undecidable manual S 97 11.4774 148 -0.07 75
YD.T1411.EHZ. 2018-08-18T20:00:06.02 0.3 undecidable manual S 23 9.7791 152 0.09 74
IV.MELA.HHZ. 2018-08-18T20:00:04.69 0.1 undecidable manual P 131 27.1506 121 -0.08 96
IV.FRES.HHZ. 2018-08-18T20:00:04.11 0.1 undecidable manual P 305 21.0678 129 0.11 97
IV.CIGN.HHZ. 2018-08-18T20:00:04.17 0.1 undecidable manual P 175 23.5542 125 -0.13 96
YD.T1413.EHZ. 2018-08-18T20:00:02.96 0.1 undecidable manual P 97 11.4774 148 -0.05 100
YD.T1411.EHZ. 2018-08-18T20:00:02.98 0.1 undecidable manual P 23 9.7791 152 0.1 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRES.HHN. ML:1.8 0.000357 0.2 AML other m 2018-08-18T20:00:04.86
IV.FRES.HHE. ML:1.9 0.00044500000000000003 1.38 AML other m 2018-08-18T20:00:05.00
YD.T1411.HNN. ML:2.6 0.0026950000000000003 0.14 AML other m 2018-08-18T20:00:06.14
YD.T1411.EHN. ML:2.6 0.002695 0.12 AML other m 2018-08-18T20:00:06.15
YD.T1413.HNE. ML:2.4 0.001535 0.44 AML other m 2018-08-18T20:00:06.19
YD.T1411.HNE. ML:2.8 0.00426 0.12 AML other m 2018-08-18T20:00:06.19
YD.T1411.EHE. ML:2.8 0.0043 0.12 AML other m 2018-08-18T20:00:06.19
YD.T1413.HNN. ML:2.4 0.0018599999999999999 0.44 AML other m 2018-08-18T20:00:06.19
YD.T1413.EHN. ML:2.5 0.00204 0.44 AML other m 2018-08-18T20:00:06.20
YD.T1413.EHE. ML:2.2 0.0012475000000000001 0.8 AML other m 2018-08-18T20:00:06.19
IV.CIGN.HHN. ML:1.6 0.000194 0.6 AML other m 2018-08-18T20:00:08.35
IV.CIGN.HHE. ML:1.6 0.00018099999999999998 1.44 AML other m 2018-08-18T20:00:08.11
IV.MELA.HHN. ML:2.0 0.0004375 0.4 AML other m 2018-08-18T20:00:10.25
IV.MELA.HNN. ML:2.0 0.000411 1.44 AML other m 2018-08-18T20:00:10.25
IV.MELA.HNE. ML:1.9 0.000368 0.26 AML other m 2018-08-18T20:00:10.59
IV.MELA.HHE. ML:1.9 0.0003615 0.26 AML other m 2018-08-18T20:00:10.46
IV.SACR.HHE. ML:1.5 0.00006709999999999999 0.32 AML other m 2018-08-18T20:00:16.18
IV.SACR.HHN. ML:1.3 0.00004495 0.34 AML other m 2018-08-18T20:00:16.18
IV.APRC.HHN. ML:2.0 0.000185 0.14 AML other m 2018-08-18T20:00:19.74
IV.APRC.HHE. ML:1.8 0.0001365 0.86 AML other m 2018-08-18T20:00:19.54
IV.LPEL.HHN. ML:1.7 0.00010035 1.58 AML other m 2018-08-18T20:00:20.01
IV.LPEL.HHE. ML:1.7 0.00010700000000000001 0.66 AML other m 2018-08-18T20:00:21.37
IV.SGRT.HHE. ML:1.8 0.00009525 0.42 AML other m 2018-08-18T20:00:23.39
IV.INTR.HHE. ML:1.4 0.00003185 0.68 AML other m 2018-08-18T20:00:24.84
IV.INTR.HHN. ML:1.7 0.00006785 1.14 AML other m 2018-08-18T20:00:25.85
IV.SGRT.HHN. ML:1.7 0.00006809999999999999 0.56 AML other m 2018-08-18T20:00:25.37
IV.VCEL.EHE. ML:2.0 0.00009470000000000001 0.28 AML other m 2018-08-18T20:00:36.50
IV.VCEL.EHN. ML:2.0 0.0000974 0.3 AML other m 2018-08-18T20:00:36.53
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
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