Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 16-08-2018 and time 21:08:17 (Italy) in region 5 km SE Montecilfone (CB)

A magnitude ML 2.1 earthquake occured in region: 5 km SE Montecilfone (CB), on

  • 16-08-2018 19:08:17 (UTC)
  • 16-08-2018 21:08:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8650, 14.8680 at 23 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 5 1348 1348
Guglionesi CB 7 5321 6669
Palata CB 7 1726 8395
Larino CB 8 6793 15188
Guardialfiera CB 9 1065 16253
Acquaviva Collecroce CB 10 672 16925
Tavenna CB 10 718 17643
San Martino in Pensilis CB 12 4793 22436
Montenero di Bisaccia CB 13 6675 29111
Montorio nei Frentani CB 13 437 29548
Ururi CB 13 2693 32241
San Giacomo degli Schiavoni CB 13 1406 33647
Portocannone CB 13 2551 36198
Castelmauro CB 14 1505 37703
Casacalenda CB 14 2135 39838
San Felice del Molise CB 14 634 40472
Mafalda CB 16 1211 41683
Montelongo CB 16 365 42048
Lupara CB 16 505 42553
Provvidenti CB 17 119 42672
Petacciato CB 17 3819 46491
Rotello CB 17 1212 47703
Campomarino CB 17 7712 55415
Civitacampomarano CB 17 417 55832
Castelbottaccio CB 18 312 56144
Morrone del Sannio CB 18 587 56731
Montemitro CB 19 395 57126
Bonefro CB 19 1384 58510
Termoli CB 19 33739 92249
Montefalcone nel Sannio CB 19 1556 93805
Santa Croce di Magliano CB 20 4435 98240

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)
82 Km N of Benevento (60091 inhabitants)
86 Km SE of Pescara (121014 inhabitants)
91 Km W of Manfredonia (57279 inhabitants)
93 Km SE of Montesilvano (53738 inhabitants)
98 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 2.1 2018-08-16
19:08:17		 41.8647 14.8685 23 2019-04-24
14:50:53		 Bollettino Sismico Italiano INGV 59979541
Reviewed
Rev100 		ML 2.0 2018-08-16
19:08:18		 41.8607 14.8853 10 2018-08-16
19:16:19		 Sala Sismica INGV-Roma 59819451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-16 19:08:17 ± 0.12
Latitude 41.8647 ± 0.0063
Longitude 14.8685 ± 0.0085
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 59979541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 839
Semi-minor axis of confidence ellipse (meter) 76
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 221
Circular confidence region, given by single value of horizontal uncertainty (meter) 840.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 31
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.92810
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 59
Type of magnitude ML
Reference to an origin 59979541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-01 15:49:16

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 59819451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-16 19:16:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.ZAG.BHZ. 2018-08-16T19:10:07.52 3.0 undecidable manual Sn 4.88 0
OX.SABO.HHZ. 2018-08-16T19:10:02.43 3.0 undecidable manual Sn -4.59 0
IV.SERS.HHZ. 2018-08-16T19:09:48.62 3.0 undecidable manual Sg 7.15 0
IV.SFI.EHZ. 2018-08-16T19:09:40.35 3.0 undecidable manual Sn 2.4 0
IV.CMDO.HHZ. 2018-08-16T19:09:38.99 3.0 undecidable manual Pg 16.379999 0
OX.ZOU2.HHZ. 2018-08-16T19:09:33.39 3.0 negative manual Pn 5.48 0
IV.NARO.HHZ. 2018-08-16T19:09:30.24 3.0 undecidable manual Sn 6.69 0
IV.PE3.EHZ. 2018-08-16T19:09:26.75 3.0 undecidable manual Sn 0.67 0
IV.MC2.EHZ. 2018-08-16T19:08:48.80 3.0 negative manual Pg 5.47 0
IV.PTRJ.HNN. 2018-08-16T19:08:36.55 0.6 undecidable manual S 207 62.2932 104 -0.25 45
IV.MIDA.HHZ. 2018-08-16T19:08:34.81 0.6 undecidable manual S 244 56.499 105 -0.5 43
IV.SACR.HHZ. 2018-08-16T19:08:34.67 1.0 undecidable manual S 195 53.6019 106 0.12 23
IV.VCEL.EHZ. 2018-08-16T19:08:34.89 0.6 undecidable manual P 305 103.0191 98 0.15 42
IV.CAFE.HHZ. 2018-08-16T19:08:33.83 0.3 undecidable manual P 162 97.7244 98 -0.11 64
IV.SGTA.HHZ. 2018-08-16T19:08:32.77 0.1 undecidable manual P 153 90.8424 99 -0.12 87
IV.INTR.HHZ. 2018-08-16T19:08:31.32 0.1 negative manual P 282 81.1521 100 -0.1 89
IV.BSSO.HHE. 2018-08-16T19:08:31.11 0.6 undecidable manual S 213 42.0246 111 -0.52 43
IV.GATE.HHZ. 2018-08-16T19:08:31.34 0.6 undecidable manual S 175 39.1275 113 0.42 45
IV.CERA.HHZ. 2018-08-16T19:08:30.23 0.3 undecidable manual P 247 76.368 101 -0.46 62
IV.VITU.HHZ. 2018-08-16T19:08:30.57 0.1 undecidable manual P 195 78.1662 100 -0.39 84
IV.SGRT.HHZ. 2018-08-16T19:08:30.08 0.3 undecidable manual P 99 73.371 101 -0.16 67
IV.VAGA.HHZ. 2018-08-16T19:08:29.90 0.3 undecidable manual P 227 72.4719 101 -0.2 66
IV.MOCO.HHZ. 2018-08-16T19:08:28.84 0.3 undecidable manual P 156 59.8956 104 0.63 60
IV.TRIV.HHZ. 2018-08-16T19:08:28.37 1.0 undecidable manual S 248 28.4493 122 -0.03 25
IV.PTRJ.HNN. 2018-08-16T19:08:28.37 0.1 undecidable manual P 207 62.2932 104 -0.2 90
IV.RNI2.HHZ. 2018-08-16T19:08:28.81 0.1 undecidable manual P 253 61.8936 104 0.3 88
IV.LPEL.HHZ. 2018-08-16T19:08:28.55 0.1 undecidable manual P 290 59.9955 104 0.31 88
IV.MELA.HHZ. 2018-08-16T19:08:28.18 0.6 undecidable manual S 129 27.75 123 -0.04 49
IV.SGG.HHZ. 2018-08-16T19:08:28.90 0.1 undecidable manual P 218 66.7776 103 -0.34 87
IV.APRC.HHZ. 2018-08-16T19:08:27.53 0.1 undecidable manual P 102 56.9985 105 -0.25 90
IV.MIDA.HHZ. 2018-08-16T19:08:27.66 0.1 positive manual P 244 56.499 105 -0.06 94
IV.SACR.HHZ. 2018-08-16T19:08:27.36 0.1 positive manual P 195 53.6019 106 0.09 93
IV.GATE.HHZ. 2018-08-16T19:08:26.20 0.3 undecidable manual P 175 39.1275 113 1.03 53
IV.FRES.HHZ. 2018-08-16T19:08:26.43 0.6 undecidable manual S 306 20.3685 133 -0.26 47
IV.CIGN.HHZ. 2018-08-16T19:08:26.96 0.6 undecidable manual S 173 23.5542 128 -0.36 46
IV.BSSO.HHE. 2018-08-16T19:08:25.99 0.1 positive manual P 213 42.0246 111 0.41 89
IV.TRIV.HHZ. 2018-08-16T19:08:24.17 0.1 undecidable manual P 248 28.4493 122 0.45 91
IV.CIGN.HHZ. 2018-08-16T19:08:23.14 0.1 positive manual P 173 23.5542 128 0.04 100
IV.MELA.HHZ. 2018-08-16T19:08:23.63 0.1 negative manual P 129 27.75 123 0.01 100
IV.FRES.HHZ. 2018-08-16T19:08:22.94 0.1 undecidable manual P 306 20.3685 133 0.21 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CIGN.HHE. ML:1.7 0.00021914604999999997 0 AML other m 2018-08-16T19:08:27.39
IV.FRES.HHE. ML:2.5 0.00152 0.42 AML other m 2018-08-16T19:08:27.61
IV.CIGN.HHN. ML:2.1 0.0005915166499999999 0.384 AML other m 2018-08-16T19:08:27.64
IV.FRES.HHN. ML:2.2 0.0008109062500000001 0.0896 AML other m 2018-08-16T19:08:28.11
IV.MELA.HNN. ML:2.2 0.0007142319500000001 0.192 AML other m 2018-08-16T19:08:28.74
IV.MELA.HHN. ML:2.3 0.00078028975 0.1792 AML other m 2018-08-16T19:08:28.74
IV.MELA.HHE. ML:2.3 0.0008490164 0.1664 AML other m 2018-08-16T19:08:29.17
IV.MELA.HNE. ML:2.3 0.0008051127999999999 0.1536 AML other m 2018-08-16T19:08:29.25
IV.TRIV.HHE. ML:1.8 0.00024295690000000002 0.2304 AML other m 2018-08-16T19:08:29.57
IV.TRIV.HNE. ML:1.8 0.00023467215000000003 0.2304 AML other m 2018-08-16T19:08:29.57
IV.TRIV.HNN. ML:2.0 0.000378 0.3 AML other m 2018-08-16T19:08:30.08
IV.TRIV.HHN. ML:2.0 0.0003999321 0.32 AML other m 2018-08-16T19:08:30.07
IV.BSSO.HNE. ML:1.2 0.000051817828999999996 0 AML other m 2018-08-16T19:08:32.24
IV.BSSO.HNN. ML:1.4 0.00007683121 0.32 AML other m 2018-08-16T19:08:32.89
IV.BSSO.HHN. ML:1.0 0.000031714835 0 AML other m 2018-08-16T19:08:33.07
IV.BSSO.HHE. ML:1.4 0.00007692170499999999 0.4992 AML other m 2018-08-16T19:08:33.41
IV.GATE.HHE. ML:2.1 0.0004195 0.52 AML other m 2018-08-16T19:08:34.25
IV.GATE.HNE. ML:2.2 0.00046199999999999995 0.54 AML other m 2018-08-16T19:08:34.25
IV.SACR.HHE. ML:1.9 0.00017094929999999999 0.3456 AML other m 2018-08-16T19:08:35.21
IV.SACR.HNE. ML:1.8 0.00014987699999999997 0.3456 AML other m 2018-08-16T19:08:35.23
IV.SACR.HNN. ML:1.8 0.000126313755 0.3584 AML other m 2018-08-16T19:08:35.33
IV.SACR.HHN. ML:1.7 0.00011421924999999999 0.384 AML other m 2018-08-16T19:08:35.33
IV.GATE.HHN. ML:2.0 0.0003165 0.28 AML other m 2018-08-16T19:08:35.77
IV.GATE.HNN. ML:2.0 0.0003285 0.32 AML other m 2018-08-16T19:08:35.76
IV.APRC.HHE. ML:1.9 0.00017207049999999998 0.0768 AML other m 2018-08-16T19:08:36.46
IV.MIDA.HHN. ML:2.3 0.0004003467 0.2816 AML other m 2018-08-16T19:08:36.50
IV.MIDA.HNE. ML:2.4 0.0004678864 0.1664 AML other m 2018-08-16T19:08:36.42
IV.MIDA.HNN. ML:2.3 0.00038168075 0.2816 AML other m 2018-08-16T19:08:36.50
IV.MIDA.HHE. ML:2.4 0.00055052075 0.1664 AML other m 2018-08-16T19:08:36.42
IV.RNI2.HNN. ML:2.7 0.00084926715 0.1408 AML other m 2018-08-16T19:08:37.89
IV.RNI2.HHN. ML:2.7 0.00092970895 0.1408 AML other m 2018-08-16T19:08:37.89
IV.RNI2.HNE. ML:2.3 0.0004066091 0.1664 AML other m 2018-08-16T19:08:37.87
IV.RNI2.HHE. ML:2.4 0.00046484570000000005 0.1664 AML other m 2018-08-16T19:08:37.87
IV.APRC.HNE. ML:2.2 0.00033903614999999997 0.1664 AML other m 2018-08-16T19:08:38.92
IV.MOCO.HHE. ML:1.1 0.000027375919999999998 0.128 AML other m 2018-08-16T19:08:39.35
IV.APRC.HHN. ML:2.4 0.0005151865999999999 0.3072 AML other m 2018-08-16T19:08:39.65
IV.LPEL.HHN. ML:2.1 0.00024949815 0.128 AML other m 2018-08-16T19:08:40.25
IV.LPEL.HHE. ML:2.1 0.0002493226 0.1152 AML other m 2018-08-16T19:08:40.41
IV.SGG.HHN. ML:1.8 0.000097274315 0.32 AML other m 2018-08-16T19:08:40.97
IV.VAGA.HNE. ML:1.8 0.00010632248 0.1792 AML other m 2018-08-16T19:08:41.41
IV.VAGA.HHE. ML:1.9 0.00011684430000000002 0.1792 AML other m 2018-08-16T19:08:41.41
IV.MOCO.HHN. ML:1.5 0.00005374025 0.3456 AML other m 2018-08-16T19:08:41.91
IV.VAGA.HNN. ML:1.9 0.00013139785000000002 0.256 AML other m 2018-08-16T19:08:42.61
IV.INTR.HNE. ML:2.0 0.000132916865 0.128 AML other m 2018-08-16T19:08:42.91
IV.INTR.HHE. ML:1.8 0.00009030864 0.1408 AML other m 2018-08-16T19:08:42.91
IV.MOCO.HNE. ML:1.7 0.00010568244 0.5248 AML other m 2018-08-16T19:08:43.95
IV.INTR.HHN. ML:2.0 0.00013901245 0.1536 AML other m 2018-08-16T19:08:44.29
IV.INTR.HNN. ML:2.2 0.0002280131 0.384 AML other m 2018-08-16T19:08:44.97
IV.SGG.HHE. ML:1.7 0.00007767483 0.4736 AML other m 2018-08-16T19:08:46.32
IV.VITU.HHE. ML:2.2 0.00021519355000000002 0.4736 AML other m 2018-08-16T19:08:47.34
IV.VAGA.HHN. ML:2.0 0.000139533 0.3456 AML other m 2018-08-16T19:08:47.26
IV.VITU.HHN. ML:2.1 0.00017399835 0.4992 AML other m 2018-08-16T19:08:47.94
IV.SGTA.HHE. ML:2.4 0.00029112785 0.5376 AML other m 2018-08-16T19:08:49.47
IV.SGTA.HNE. ML:2.4 0.0003079119 0.5376 AML other m 2018-08-16T19:08:49.20
IV.SGTA.HHN. ML:2.2 0.00015694785 0.4224 AML other m 2018-08-16T19:08:50.03
IV.SGTA.HNN. ML:2.3 0.00022575714999999998 0.4352 AML other m 2018-08-16T19:08:50.04
IV.CAFE.HHN. ML:2.0 0.00010287883 0.4608 AML other m 2018-08-16T19:08:53.34
IV.VCEL.EHN. ML:2.3 0.0001928027 0.192 AML other m 2018-08-16T19:08:54.23
IV.VCEL.EHE. ML:2.2 0.00016099999999999998 0.34 AML other m 2018-08-16T19:08:56.31
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
Waveforms Seismic signals in miniseed + resp format Download