Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 17-08-2018 and time 10:48:16 (Italy) in region 6 km SE Montecilfone (CB)

A magnitude ML 2.1 earthquake occured in region: 6 km SE Montecilfone (CB), on

  • 17-08-2018 08:48:16 (UTC)
  • 17-08-2018 10:48:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8560, 14.8750 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 6 1348 1348
Larino CB 7 6793 8141
Guglionesi CB 7 5321 13462
Palata CB 8 1726 15188
Guardialfiera CB 9 1065 16253
Acquaviva Collecroce CB 11 672 16925
Tavenna CB 11 718 17643
San Martino in Pensilis CB 11 4793 22436
Montorio nei Frentani CB 12 437 22873
Ururi CB 12 2693 25566
Casacalenda CB 13 2135 27701
Portocannone CB 13 2551 30252
San Giacomo degli Schiavoni CB 14 1406 31658
Montenero di Bisaccia CB 14 6675 38333
Castelmauro CB 14 1505 39838
Montelongo CB 15 365 40203
San Felice del Molise CB 15 634 40837
Lupara CB 16 505 41342
Provvidenti CB 16 119 41461
Rotello CB 16 1212 42673
Mafalda CB 17 1211 43884
Campomarino CB 17 7712 51596
Civitacampomarano CB 17 417 52013
Bonefro CB 18 1384 53397
Morrone del Sannio CB 18 587 53984
Petacciato CB 18 3819 57803
Castelbottaccio CB 18 312 58115
Santa Croce di Magliano CB 19 4435 62550
Montemitro CB 19 395 62945
Termoli CB 19 33739 96684
Ripabottoni CB 19 514 97198
Montefalcone nel Sannio CB 20 1556 98754

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)
81 Km N of Benevento (60091 inhabitants)
87 Km SE of Pescara (121014 inhabitants)
90 Km W of Manfredonia (57279 inhabitants)
95 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 2018-08-17
08:48:16		 41.8557 14.8752 23 2019-04-24
14:50:54		 Bollettino Sismico Italiano INGV 60167701
Reviewed
Rev100 		ML 2.1 2018-08-17
08:48:17		 41.878 14.9073 10 2018-08-17
08:56:17		 Sala Sismica INGV-Roma 59848011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-17 08:48:16 ± 0.09
Latitude 41.8557 ± 0.0054
Longitude 14.8752 ± 0.0048
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 60167701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 583
Semi-minor axis of confidence ellipse (meter) 177
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) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.89662
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 56
Type of magnitude ML
Reference to an origin 59848011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-17 08:56:17

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 55
Type of magnitude ML
Reference to an origin 60167701
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-08-24 16:55:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.QLNO.HHZ. 2018-08-17T08:49:58.84 3.0 negative manual Pg 20.540001 0
IV.SERS.HHZ. 2018-08-17T08:49:49.03 3.0 undecidable manual Sn 2.86 0
IV.FVI.HHZ. 2018-08-17T08:49:48.13 3.0 undecidable manual Pg 14.4 0
GU.RNCA.HHZ. 2018-08-17T08:49:46.26 3.0 negative manual Pg 12.28 0
ST.RONC.EHZ. 2018-08-17T08:49:41.70 3.0 undecidable manual Pn 6.1 0
IV.PANTE.HHZ. 2018-08-17T08:49:41.07 3.0 undecidable manual Pn 1.75 0
IV.SARZ.HHZ. 2018-08-17T08:49:39.63 3.0 undecidable manual Pn 2.45 0
IV.PARC.HHZ. 2018-08-17T08:49:38.29 3.0 undecidable manual Sg 4.16 0
IV.NDIM.HHZ. 2018-08-17T08:49:38.11 3.0 undecidable manual Pg 15.7 0
AC.KBN.HHZ. 2018-08-17T08:49:34.92 3.0 undecidable manual Pn 5.5 0
GU.CARD.HHZ. 2018-08-17T08:49:32.68 3.0 undecidable manual Pg 14.77 0
OT.TAR1.HHZ. 2018-08-17T08:49:28.08 3.0 undecidable manual Sg 2.3 0
IV.RIBO.EHZ.01 2018-08-17T08:49:12.17 3.0 negative manual Pg 6.21 0
IV.CSP1.EHZ. 2018-08-17T08:48:49.59 3.0 positive manual Pn 0.78 0
IV.NRCA.HHZ. 2018-08-17T08:48:48.08 3.0 negative manual Pg 1.08 0
IV.MC2.EHZ. 2018-08-17T08:48:48.22 3.0 positive manual Pg 1.07 0
IV.SMA1.EHZ. 2018-08-17T08:48:44.51 3.0 negative manual P 1 0
IV.VCEL.EHZ. 2018-08-17T08:48:37.93 3.0 positive manual P 1.09 0
IV.LPEL.HHZ. 2018-08-17T08:48:36.32 1.0 undecidable manual S 291 60.8946 104 0.38 22
IV.PTRJ.HNN. 2018-08-17T08:48:36.24 0.6 undecidable manual S 208 61.5939 104 0.11 46
IV.APRC.HHZ. 2018-08-17T08:48:34.78 0.3 undecidable manual S 101 56.2992 106 0.02 71
IV.MIDA.HNZ. 2018-08-17T08:48:34.87 1.0 undecidable manual S 245 56.5989 105 0.03 24
IV.SACR.HHZ. 2018-08-17T08:48:34.07 0.6 undecidable manual S 196 52.7028 107 0.22 46
IV.T0110.HHZ. 2018-08-17T08:48:33.58 0.6 undecidable manual P 295 99.5226 98 -0.14 43
IV.MSAG.HNE. 2018-08-17T08:48:32.12 0.6 undecidable manual P 100 87.0462 99 0.31 42
IV.BSSO.HHZ. 2018-08-17T08:48:31.41 1.0 undecidable manual S 214 41.5251 112 0.4 22
IV.SGTA.HHZ. 2018-08-17T08:48:31.99 0.1 undecidable manual P 153 89.7435 99 -0.22 85
IV.VITU.HHZ. 2018-08-17T08:48:30.04 1.0 undecidable manual P 195 77.367 101 -0.29 21
IV.INTR.HHZ. 2018-08-17T08:48:30.83 0.6 undecidable manual P 283 81.9513 100 -0.2 44
IV.SGRT.HHZ. 2018-08-17T08:48:30.03 0.6 undecidable manual P 99 72.6717 102 0.4 42
IV.CERA.HHZ. 2018-08-17T08:48:29.86 0.1 undecidable manual P 248 76.4679 101 -0.35 85
IV.VAGA.HHZ. 2018-08-17T08:48:29.18 0.6 undecidable manual P 228 72.1722 102 -0.38 43
IV.PSB1.HNE. 2018-08-17T08:48:28.94 0.6 undecidable manual P 184 70.374 102 -0.34 43
IV.SGG.HHZ. 2018-08-17T08:48:28.35 0.6 undecidable manual P 218 66.2781 103 -0.32 44
IV.PTRJ.HNN. 2018-08-17T08:48:28.20 1.0 undecidable manual P 208 61.5939 104 0.23 22
IV.TRIV.HHZ. 2018-08-17T08:48:28.36 0.6 undecidable manual S 250 28.6491 123 0.41 46
IV.RNI2.HHZ. 2018-08-17T08:48:28.18 0.3 undecidable manual P 254 62.0934 104 0.13 68
IV.MOCO.HHZ. 2018-08-17T08:48:27.90 1.0 undecidable manual P 156 58.7967 105 0.36 22
IV.MELA.HHZ. 2018-08-17T08:48:27.39 0.3 undecidable manual S 128 26.6511 125 -0.12 72
IV.APRC.HHZ. 2018-08-17T08:48:27.02 0.6 undecidable manual P 101 56.2992 106 -0.16 46
IV.MIDA.HNZ. 2018-08-17T08:48:27.09 0.1 undecidable manual P 245 56.5989 105 -0.13 92
IV.LPEL.HHZ. 2018-08-17T08:48:27.99 0.1 undecidable manual P 291 60.8946 104 0.13 91
IV.SACR.HHZ. 2018-08-17T08:48:26.67 0.1 positive manual P 196 52.7028 107 0.02 95
IV.CIGN.HHZ. 2018-08-17T08:48:26.47 0.3 undecidable manual S 174 22.4553 130 -0.16 72
IV.BSSO.HHZ. 2018-08-17T08:48:25.46 0.1 positive manual P 214 41.5251 112 0.45 88
IV.FRES.HHZ. 2018-08-17T08:48:25.93 0.6 undecidable manual S 308 21.4674 132 -0.49 45
IV.TRIV.HHZ. 2018-08-17T08:48:23.43 0.1 positive manual P 250 28.6491 123 0.18 96
IV.CIGN.HHZ. 2018-08-17T08:48:22.47 0.1 negative manual P 174 22.4553 130 -0.01 100
IV.FRES.HHZ. 2018-08-17T08:48:22.51 0.1 undecidable manual P 308 21.4674 132 0.14 98
IV.MELA.HHZ. 2018-08-17T08:48:22.92 0.1 negative manual P 128 26.6511 125 -0.07 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAFE.HHN. ML:2.0 0.000112 0.36 AML other m 2018-08-17T08:48:52.81
IV.VCEL.EHE. ML:0.0 0.0002663071 0.384 AML other m 2018-08-17T08:48:53.98
IV.VCEL.EHN. ML:0.0 0.00028230805 0.3392 AML other m 2018-08-17T08:48:55.00
IV.CERA.HHN. ML:0.0 0.00008273571000000001 0.5376 AML other m 2018-08-17T08:48:49.21
IV.CIGN.HHN. ML:2.3 0.00086420605 0.544 AML other m 2018-08-17T08:48:26.65
IV.CIGN.HHE. ML:2.1 0.00064735615 0.48 AML other m 2018-08-17T08:48:29.09
IV.FRES.HHN. ML:1.8 0.0002794612 0.0832 AML other m 2018-08-17T08:48:27.20
IV.FRES.HHE. ML:2.1 0.0005957145 0.1408 AML other m 2018-08-17T08:48:26.95
IV.MELA.HNN. ML:2.5 0.0013222519999999999 0.3776 AML other m 2018-08-17T08:48:28.15
IV.MELA.HHE. ML:2.2 0.0007131192500000001 0.4544 AML other m 2018-08-17T08:48:29.58
IV.MELA.HNE. ML:2.2 0.000733018 0.4608 AML other m 2018-08-17T08:48:29.58
IV.MELA.HHN. ML:2.5 0.0014743564999999998 0.3776 AML other m 2018-08-17T08:48:28.15
IV.TRIV.HNE. ML:1.8 0.0002387527 0.1984 AML other m 2018-08-17T08:48:30.14
IV.TRIV.HHN. ML:2.1 0.0005648929 0.32 AML other m 2018-08-17T08:48:29.65
IV.TRIV.HNN. ML:2.1 0.0005355347500000001 0.32 AML other m 2018-08-17T08:48:29.65
IV.TRIV.HHE. ML:2.0 0.00043695545000000004 0.6016 AML other m 2018-08-17T08:48:31.04
IV.BSSO.HNE. ML:2.1 0.00037612915 0.256 AML other m 2018-08-17T08:48:32.44
IV.BSSO.HHN. ML:1.6 0.00012127684 0.2624 AML other m 2018-08-17T08:48:32.41
IV.BSSO.HNN. ML:2.0 0.00027916505 0.2816 AML other m 2018-08-17T08:48:32.88
IV.BSSO.HHE. ML:1.7 0.00015407274999999998 0.256 AML other m 2018-08-17T08:48:32.44
IV.SACR.HHN. ML:1.7 0.000117524785 0.3392 AML other m 2018-08-17T08:48:35.83
IV.SACR.HHE. ML:2.1 0.00028836665000000003 0.3456 AML other m 2018-08-17T08:48:34.60
IV.SACR.HNN. ML:1.7 0.000118899325 0.3392 AML other m 2018-08-17T08:48:35.83
IV.SACR.HNE. ML:2.1 0.00027340845 0.3456 AML other m 2018-08-17T08:48:34.60
IV.APRC.HHN. ML:2.3 0.00041223235 0.3008 AML other m 2018-08-17T08:48:38.05
IV.APRC.HNE. ML:2.2 0.000293262 0.16 AML other m 2018-08-17T08:48:38.08
IV.APRC.HHE. ML:2.2 0.0002958271 0.1792 AML other m 2018-08-17T08:48:38.09
IV.APRC.HNN. ML:2.7 0.0009748669499999999 0.8384 AML other m 2018-08-17T08:48:34.02
IV.MOCO.HNE. ML:1.6 0.00008329185999999999 0.3584 AML other m 2018-08-17T08:48:44.48
IV.MOCO.HHN. ML:1.3 0.000037976215 0.3008 AML other m 2018-08-17T08:48:43.67
IV.MOCO.HHE. ML:1.6 0.0000817779 0.3392 AML other m 2018-08-17T08:48:44.48
IV.LPEL.HHE. ML:2.4 0.00044402760000000004 0.2048 AML other m 2018-08-17T08:48:40.05
IV.LPEL.HHN. ML:2.3 0.00037390314999999997 0.2624 AML other m 2018-08-17T08:48:39.31
IV.RNI2.HHE. ML:2.4 0.00046409515000000003 0.16 AML other m 2018-08-17T08:48:38.97
IV.RNI2.HHN. ML:2.6 0.0006555942 0.1408 AML other m 2018-08-17T08:48:37.49
IV.RNI2.HNN. ML:2.5 0.0006010758499999999 0.1408 AML other m 2018-08-17T08:48:37.49
IV.RNI2.HNE. ML:2.4 0.0004215428 0.16 AML other m 2018-08-17T08:48:38.97
IV.SGG.HHN. ML:1.8 0.0001054462 0.3776 AML other m 2018-08-17T08:48:43.84
IV.SGG.HHE. ML:1.8 0.00009358443499999999 0.2752 AML other m 2018-08-17T08:48:40.34
IV.SGG.HNN. ML:0.0 0.00000000045835295000000003 0.4032 AML other m 2018-08-17T08:48:42.00
IV.VAGA.HHN. ML:2.1 0.00019799329999999998 0.2944 AML other m 2018-08-17T08:48:47.90
IV.VAGA.HNE. ML:1.8 0.000091853115 0.2816 AML other m 2018-08-17T08:48:47.16
IV.VAGA.HNN. ML:2.1 0.00018866815000000001 0.32 AML other m 2018-08-17T08:48:47.91
IV.VAGA.HHE. ML:1.8 0.000098512405 0.3008 AML other m 2018-08-17T08:48:47.16
IV.CERA.HHE. ML:1.8 0.00008225556 0.4416 AML other m 2018-08-17T08:48:48.59
IV.CERA.HNE. ML:1.7 0.00007661101 0.6592 AML other m 2018-08-17T08:48:45.12
IV.SGRT.HHN. ML:2.1 0.00019725964999999998 0.384 AML other m 2018-08-17T08:48:43.77
IV.SGRT.HHE. ML:2.2 0.00021177350000000001 0.2176 AML other m 2018-08-17T08:48:42.14
IV.INTR.HHE. ML:2.1 0.00016050639999999999 0.16 AML other m 2018-08-17T08:48:42.49
IV.INTR.HNN. ML:2.3 0.00025222135 0.2176 AML other m 2018-08-17T08:48:44.44
IV.INTR.HHN. ML:2.3 0.00026300845 0.32 AML other m 2018-08-17T08:48:44.43
IV.INTR.HNE. ML:2.2 0.00022161932000000002 0.1536 AML other m 2018-08-17T08:48:42.49
IV.SGTA.HHN. ML:2.2 0.00017766284999999997 0.3776 AML other m 2018-08-17T08:48:49.23
IV.SGTA.HHE. ML:2.3 0.00024451705 0.6784 AML other m 2018-08-17T08:48:48.69
IV.SGTA.HNE. ML:2.3 0.00021708634999999997 0.7808 AML other m 2018-08-17T08:48:50.57
IV.SGTA.HNN. ML:2.3 0.00024058915 0.4288 AML other m 2018-08-17T08:48:49.22
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