Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 18-08-2018 and time 09:55:44 (Italy) in region 2 km S Montecilfone (CB)

A magnitude ML 1.9 earthquake occured in region: 2 km S Montecilfone (CB), on

  • 18-08-2018 07:55:44 (UTC)
  • 18-08-2018 09:55:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8830, 14.8390 at 19 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 2 1348 1348
Palata CB 4 1726 3074
Tavenna CB 7 718 3792
Guglionesi CB 7 5321 9113
Acquaviva Collecroce CB 8 672 9785
Guardialfiera CB 10 1065 10850
Montenero di Bisaccia CB 10 6675 17525
Larino CB 11 6793 24318
San Felice del Molise CB 11 634 24952
Castelmauro CB 12 1505 26457
Mafalda CB 12 1211 27668
San Giacomo degli Schiavoni CB 13 1406 29074
San Martino in Pensilis CB 14 4793 33867
Petacciato CB 15 3819 37686
Portocannone CB 15 2551 40237
Montorio nei Frentani CB 16 437 40674
Montemitro CB 16 395 41069
Lupara CB 16 505 41574
Casacalenda CB 16 2135 43709
Ururi CB 16 2693 46402
Montefalcone nel Sannio CB 17 1556 47958
Civitacampomarano CB 17 417 48375
Fresagrandinaria CH 18 961 49336
Tufillo CH 18 406 49742
Castelbottaccio CB 18 312 50054
Dogliola CH 18 359 50413
Provvidenti CB 18 119 50532
Campomarino CB 18 7712 58244
Lentella CH 19 689 58933
Termoli CB 19 33739 92672
Montelongo CB 19 365 93037
Morrone del Sannio CB 20 587 93624

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km W of San Severo (53905 inhabitants)
75 Km NW of Foggia (151991 inhabitants)
76 Km SE of Chieti (51815 inhabitants)
83 Km SE of Pescara (121014 inhabitants)
84 Km N of Benevento (60091 inhabitants)
90 Km SE of Montesilvano (53738 inhabitants)
94 Km W of Manfredonia (57279 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
07:55:44		 41.883 14.8388 19 2019-04-24
14:51:03		 Bollettino Sismico Italiano INGV 65944201
Reviewed
Rev100 		ML 2.0 2018-08-18
07:55:44		 41.8823 14.8268 20 2018-08-18
08:09:00		 Sala Sismica INGV-Roma 59895431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-18 07:55:44 ± 0.1
Latitude 41.8830 ± 0.0045
Longitude 14.8388 ± 0.0036
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65944201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 550
Semi-minor axis of confidence ellipse (meter) 79
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) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.25995
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 56
Type of magnitude ML
Reference to an origin 65944201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-25 10:27:32

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 59895431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-18 08:09:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IST3.HHZ. 2018-08-18T07:57:09.81 3.0 undecidable manual Sg 6.07 0
IV.EUCT.HNZ. 2018-08-18T07:57:04.05 3.0 positive manual Pn 0.77 0
IV.SBPO.HNZ. 2018-08-18T07:56:51.33 3.0 positive manual Pn 1.63 0
IV.ZCCA.HHZ. 2018-08-18T07:56:48.23 3.0 positive manual Pn 6.11 0
IV.IMOL.HNZ. 2018-08-18T07:56:43.59 3.0 undecidable manual Pn 6.33 0
IV.RIBO.EHZ.01 2018-08-18T07:56:40.87 3.0 undecidable manual Pg 10.8 0
IV.CSNT.HHZ. 2018-08-18T07:56:31.27 3.0 undecidable manual Pn -0.52 0
IV.PALZ.HHZ. 2018-08-18T07:56:25.34 1.0 undecidable manual S 138 139.8489 94 1.08 0
IV.FRON.EHZ. 2018-08-18T07:56:20.54 3.0 undecidable manual Pn -1.64 0
IV.MF5.EHZ. 2018-08-18T07:56:13.98 3.0 negative manual Pn 1.89 0
IV.CAFE.HHZ. 2018-08-18T07:56:13.55 0.6 undecidable manual S 161 100.4217 95 -0.23 0
IV.LAV9.HHZ. 2018-08-18T07:56:13.20 3.0 negative manual Pg 4.34 0
IV.PALZ.HHZ. 2018-08-18T07:56:08.02 0.1 undecidable manual P 138 139.8489 94 0.6 0
IV.INTR.HHZ. 2018-08-18T07:56:08.26 0.3 undecidable manual S 281 78.366 97 0.33 23
IV.SGRT.HHN. 2018-08-18T07:56:07.49 0.6 undecidable manual S 100 76.1682 97 0.16 21
IV.MOCO.HHZ. 2018-08-18T07:56:04.02 1.0 undecidable manual S 155 62.7927 99 0.22 24
IV.RNI2.HHZ. 2018-08-18T07:56:03.46 0.3 undecidable manual S 251 60.1953 100 0.34 69
IV.PTRJ.HNZ. 2018-08-18T07:56:03.58 0.6 undecidable manual S 204 62.9925 99 -0.29 46
IV.LPEL.HHZ. 2018-08-18T07:56:02.76 0.6 undecidable manual S 289 57.0984 101 0.46 45
IV.APRC.HNE. 2018-08-18T07:56:02.97 0.3 undecidable manual S 103 59.8956 100 -0.07 73
IV.MIDA.HHZ. 2018-08-18T07:56:01.56 0.3 undecidable manual S 241 55.3002 101 -0.28 72
IV.SACR.HHZ. 2018-08-18T07:56:01.77 0.3 undecidable manual S 192 55.0005 101 0.01 75
IV.MSAG.HHZ. 2018-08-18T07:56:00.13 0.3 undecidable manual P 102 90.5427 96 0.28 0
IV.T0110.HHZ. 2018-08-18T07:56:00.49 0.1 undecidable manual P 294 95.5377 96 -0.13 0
IV.CAFE.HHZ. 2018-08-18T07:56:00.81 0.1 undecidable manual P 161 100.4217 95 -0.56 0
IV.POFI.HHZ. 2018-08-18T07:55:59.92 0.3 undecidable manual P 259 94.9383 96 -0.61 0
IV.BSSO.HHZ. 2018-08-18T07:55:58.51 0.6 undecidable manual S 209 42.5241 105 -0.01 50
IV.GATE.HHZ. 2018-08-18T07:55:58.18 0.3 undecidable manual S 172 41.4252 106 -0.06 74
IV.SGRT.HHN. 2018-08-18T07:55:57.31 0.1 undecidable manual P 100 76.1682 97 -0.34 39
IV.INTR.HHZ. 2018-08-18T07:55:57.75 0.1 undecidable manual P 281 78.366 97 -0.24 32
IV.CERA.HHZ. 2018-08-18T07:55:56.77 0.1 undecidable manual P 245 74.9694 98 -0.69 43
IV.VAGA.HHZ. 2018-08-18T07:55:56.59 0.3 undecidable manual P 224 72.1722 98 -0.44 45
IV.PTRJ.HNZ. 2018-08-18T07:55:55.81 0.6 undecidable manual P 204 62.9925 99 0.16 47
IV.MOCO.HHZ. 2018-08-18T07:55:55.83 0.1 undecidable manual P 155 62.7927 99 0.23 94
IV.MELA.HHN. 2018-08-18T07:55:55.93 0.3 undecidable manual S 129 30.8469 113 0.35 71
IV.RNI2.HHZ. 2018-08-18T07:55:55.17 0.1 undecidable manual P 251 60.1953 100 -0.04 100
IV.SACR.HHZ. 2018-08-18T07:55:54.16 0.1 undecidable manual P 192 55.0005 101 -0.26 95
IV.CIGN.HHZ. 2018-08-18T07:55:54.24 0.3 undecidable manual S 168 25.9518 118 -0.15 73
IV.LPEL.HHZ. 2018-08-18T07:55:54.71 0.3 undecidable manual P 289 57.0984 101 -0.03 75
IV.TRIV.HHZ. 2018-08-18T07:55:54.41 0.6 undecidable manual S 242 27.1506 116 -0.25 48
IV.APRC.HNE. 2018-08-18T07:55:54.81 0.1 undecidable manual P 103 59.8956 100 -0.35 92
IV.MIDA.HHZ. 2018-08-18T07:55:54.16 0.1 undecidable manual P 241 55.3002 101 -0.31 94
IV.GATE.HHZ. 2018-08-18T07:55:53.02 0.1 undecidable manual P 172 41.4252 106 0.62 87
IV.FRES.HHE. 2018-08-18T07:55:52.02 0.3 undecidable manual S 306 17.2716 131 -0.44 69
IV.BSSO.HHZ. 2018-08-18T07:55:52.76 0.1 undecidable manual P 209 42.5241 105 0.2 96
IV.MELA.HHN. 2018-08-18T07:55:50.88 0.1 undecidable manual P 129 30.8469 113 0.03 100
IV.CIGN.HHZ. 2018-08-18T07:55:50.14 0.1 undecidable manual P 168 25.9518 118 -0.03 99
IV.TRIV.HHZ. 2018-08-18T07:55:50.65 0.1 undecidable manual P 242 27.1506 116 0.32 94
IV.FRES.HHE. 2018-08-18T07:55:49.47 0.1 undecidable manual P 306 17.2716 131 0.41 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GATE.HHN. ML:1.9 0.00026250000000000004 1.46 AML other m 2018-08-18T07:56:03.90
IV.TRIV.HNN. ML:2.0 0.00047999999999999996 0.38 AML other m 2018-08-18T07:55:56.24
IV.CIGN.HHE. ML:1.8 0.00033650000000000005 0.38 AML other m 2018-08-18T07:55:57.25
IV.TRIV.HHE. ML:2.0 0.000488 0.38 AML other m 2018-08-18T07:55:58.79
IV.TRIV.HNE. ML:2.0 0.000456 0.38 AML other m 2018-08-18T07:55:58.80
IV.BSSO.HHE. ML:1.1 0.00003594999999999999 0.36 AML other m 2018-08-18T07:55:59.54
IV.BSSO.HHN. ML:1.1 0.0000424 0.3 AML other m 2018-08-18T07:55:59.79
IV.CIGN.HHN. ML:1.9 0.00034750000000000004 0.62 AML other m 2018-08-18T07:56:00.30
IV.SACR.HHE. ML:1.7 0.00010680000000000001 0.48 AML other m 2018-08-18T07:56:01.96
IV.GATE.HNE. ML:2.2 0.000432 0.64 AML other m 2018-08-18T07:56:02.37
IV.GATE.HHE. ML:2.1 0.000397 0.64 AML other m 2018-08-18T07:56:02.37
IV.MIDA.HNE. ML:2.2 0.00036650000000000007 0.36 AML other m 2018-08-18T07:56:02.60
IV.MIDA.HHN. ML:2.1 0.00027 0.8 AML other m 2018-08-18T07:56:02.46
IV.MIDA.HHE. ML:2.3 0.00042699999999999997 0.18 AML other m 2018-08-18T07:56:02.60
IV.GATE.HNN. ML:2.0 0.000304 1.44 AML other m 2018-08-18T07:56:03.18
IV.MIDA.HNN. ML:2.1 0.0002785 1.16 AML other m 2018-08-18T07:56:03.86
IV.SACR.HHN. ML:1.6 0.00008165 0.92 AML other m 2018-08-18T07:56:03.93
IV.RNI2.HNN. ML:2.4 0.000575 0.14 AML other m 2018-08-18T07:56:04.01
IV.RNI2.HHN. ML:2.5 0.000626 0.14 AML other m 2018-08-18T07:56:04.01
IV.LPEL.HHE. ML:2.1 0.00027049999999999996 0.64 AML other m 2018-08-18T07:56:04.36
IV.RNI2.HNE. ML:2.4 0.0004655 0.16 AML other m 2018-08-18T07:56:05.49
IV.RNI2.HHE. ML:2.4 0.0005095000000000001 0.16 AML other m 2018-08-18T07:56:05.49
IV.LPEL.HHN. ML:2.0 0.0002235 1.48 AML other m 2018-08-18T07:56:05.74
IV.VAGA.HHN. ML:1.8 0.00010674999999999998 0.42 AML other m 2018-08-18T07:56:07.73
IV.INTR.HHE. ML:1.8 0.0000842 0.62 AML other m 2018-08-18T07:56:08.92
IV.VAGA.HHE. ML:1.7 0.00007295 0.26 AML other m 2018-08-18T07:56:08.61
IV.MOCO.HHE. ML:1.5 0.00005785 0.72 AML other m 2018-08-18T07:56:08.95
IV.MOCO.HHN. ML:1.3 0.0000339 1.12 AML other m 2018-08-18T07:56:08.97
IV.INTR.HHN. ML:2.1 0.00016 0.34 AML other m 2018-08-18T07:56:09.98
IV.CERA.HHE. ML:1.6 0.0000662 0.56 AML other m 2018-08-18T07:56:11.21
IV.CERA.HHN. ML:1.8 0.00008669999999999999 1.62 AML other m 2018-08-18T07:56:14.81
IV.VITU.HHN. ML:2.1 0.0001795 0.74 AML other m 2018-08-18T07:56:14.11
IV.VITU.HHE. ML:2.1 0.00017449999999999999 0.42 AML other m 2018-08-18T07:56:15.27
IV.MSAG.HHE. ML:1.7 0.000054999999999999995 1.14 AML other m 2018-08-18T07:56:15.85
IV.MSAG.HHN. ML:2.0 0.0001185 0.32 AML other m 2018-08-18T07:56:17.22
IV.POFI.HHE. ML:1.7 0.0000506 0.64 AML other m 2018-08-18T07:56:18.57
IV.CAFE.HHN. ML:1.8 0.00006264999999999999 0.26 AML other m 2018-08-18T07:56:19.45
IV.POFI.HHN. ML:1.7 0.000053150000000000004 0.56 AML other m 2018-08-18T07:56:19.36
IV.T0110.HHE. ML:2.0 0.00010065000000000001 0.34 AML other m 2018-08-18T07:56:20.72
IV.T0110.HHN. ML:2.0 0.0001026 0.62 AML other m 2018-08-18T07:56:21.41
IV.CAFE.HHE. ML:2.0 0.00009120000000000001 1.02 AML other m 2018-08-18T07:56:23.07
IV.BSSO.HNN. ML:1.6 0.00011021941499999999 0.32 AML other m 2018-08-18T07:56:00.32
IV.BSSO.HNE. ML:1.6 0.0001026239 0.1984 AML other m 2018-08-18T07:56:00.51
IV.SACR.HNE. ML:1.6 0.00009297683 0.2432 AML other m 2018-08-18T07:56:01.96
IV.SACR.HNN. ML:1.5 0.00006933527 0.2816 AML other m 2018-08-18T07:56:03.61
IV.PTRJ.HHN. ML:1.6 0.000080010605 0.1984 AML other m 2018-08-18T07:56:04.12
IV.MOCO.HNE. ML:1.6 0.00007103830999999999 5.9584 AML other m 2018-08-18T07:56:22.59
IV.VAGA.HNN. ML:1.8 0.00010103467500000001 0.3456 AML other m 2018-08-18T07:56:08.73
IV.CERA.HNN. ML:1.6 0.00005731432 3.0784 AML other m 2018-08-18T07:56:25.90
IV.INTR.HNN. ML:2.1 0.0001779467 0.3968 AML other m 2018-08-18T07:56:18.39
IV.INTR.HNE. ML:2.0 0.00012336449 0.3712 AML other m 2018-08-18T07:56:09.99
IV.MSAG.HNN. ML:2.3 0.00022986315000000002 0.48 AML other m 2018-08-18T07:56:15.72
IV.MSAG.HNE. ML:2.0 0.000122499105 0.1408 AML other m 2018-08-18T07:56:15.85
IV.PALZ.HHN. ML:2.2 0.00008892076000000001 1.4208 AML other m 2018-08-18T07:56:50.30
IV.PALZ.HHE. ML:2.4 0.00013127450000000003 2.016 AML other m 2018-08-18T07:56:29.19
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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