Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 28-08-2018 and time 15:41:20 (UTC) in region 6 km S Montecilfone (CB)

A magnitude ML 2.4 earthquake occured in region: 6 km S Montecilfone (CB), on

  • 28-08-2018 15:41:20 (UTC)
  • 28-08-2018 17:41:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8480, 14.8560 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.

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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
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
Ururi CB 14 2693 29206
Montenero di Bisaccia CB 14 6675 35881
San Felice del Molise CB 14 634 36515
Lupara CB 14 505 37020
Montelongo CB 15 365 37385
Provvidenti CB 15 119 37504
Portocannone CB 15 2551 40055
San Giacomo degli Schiavoni CB 15 1406 41461
Civitacampomarano CB 16 417 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
Santa Croce di Magliano CB 19 4435 57303
Lucito CB 19 696 57999
Campomarino CB 19 7712 65711
Castellino del Biferno CB 19 545 66256

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km W of San Severo (53905 inhabitants)
71 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 2.4 2018-08-28
15:41:20		 41.8482 14.856 14 2019-04-24
14:51:14		 Bollettino Sismico Italiano INGV 66964341
Reviewed
Rev100 		ML 2.4 2018-08-28
15:41:20		 41.8415 14.854 13 2018-08-28
15:49:02		 Sala Sismica INGV-Roma 60301101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-28 15:41:20 ± 0.15
Latitude 41.8482 ± 0.0072
Longitude 14.8560 ± 0.0085
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 66964341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 715
Semi-minor axis of confidence ellipse (meter) 482
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 167
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
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) 0.09173
Epicentral distance of station farthest from the epicenter (degree) 0.95958
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 74
Type of magnitude ML
Reference to an origin 60301101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-28 15:49:02

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 74
Type of magnitude ML
Reference to an origin 66964341
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-27 09:18:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHZ. 2018-08-28T15:41:44.60 0.6 undecidable manual S 283 80.5638 92 0.09 0
IV.LPEL.HHZ. 2018-08-28T15:41:39.29 0.6 undecidable manual S 292 59.6958 94 0.34 17
IV.SNAL.HHZ. 2018-08-28T15:41:37.09 0.6 undecidable manual P 164 106.5156 92 -1.27 0
IV.MIDA.HHZ. 2018-08-28T15:41:37.54 0.6 undecidable manual S 246 54.8007 94 -0.11 25
IV.VCEL.EHZ. 2018-08-28T15:41:37.07 0.6 undecidable manual P 306 103.2189 92 -0.79 0
IV.MSAG.HHZ. 2018-08-28T15:41:36.57 0.6 undecidable manual P 99 88.4448 92 0.98 0
IV.CAFE.HHZ. 2018-08-28T15:41:36.01 0.3 undecidable manual P 161 96.3258 92 -0.79 0
IV.SGTA.HHZ. 2018-08-28T15:41:35.01 0.6 undecidable manual P 152 89.7435 92 -0.77 0
IV.BSSO.HHZ. 2018-08-28T15:41:34.82 0.6 undecidable manual S 213 39.9267 96 1.13 31
IV.INTR.HHZ. 2018-08-28T15:41:33.66 0.1 undecidable manual P 283 80.5638 92 -0.71 0
IV.SGRT.HHZ. 2018-08-28T15:41:32.65 0.6 undecidable manual P 98 74.1702 93 -0.73 1
IV.VAGA.HHZ. 2018-08-28T15:41:32.12 0.3 undecidable manual P 227 70.4739 93 -0.69 6
IV.CERA.HHZ. 2018-08-28T15:41:32.61 0.6 undecidable manual P 248 74.6697 93 -0.86 1
IV.LPEL.HHZ. 2018-08-28T15:41:30.89 0.1 undecidable manual P 292 59.6958 94 -0.27 33
IV.MELA.HHZ. 2018-08-28T15:41:30.29 0.6 undecidable manual S 125 27.4503 101 -0.09 49
IV.RNI2.HHZ. 2018-08-28T15:41:30.66 0.6 undecidable manual P 255 60.3951 94 -0.61 15
IV.APRC.HHZ. 2018-08-28T15:41:29.73 0.3 undecidable manual P 100 57.6978 94 -1.12 21
IV.MIDA.HHZ. 2018-08-28T15:41:29.92 0.1 undecidable manual P 246 54.8007 94 -0.49 46
IV.CIGN.HHZ. 2018-08-28T15:41:29.12 0.6 undecidable manual S 169 21.867 107 0.17 48
IV.SACR.HHZ. 2018-08-28T15:41:29.67 0.1 positive manual P 194 51.5151 94 -0.23 59
IV.GATE.HHZ. 2018-08-28T15:41:28.39 0.1 undecidable manual P 173 37.4292 97 0.65 81
IV.BSSO.HHZ. 2018-08-28T15:41:28.30 0.1 positive manual P 213 39.9267 96 0.18 88
YD.T1411.HNZ. 2018-08-28T15:41:27.15 0.3 undecidable manual S 28 12.2766 128 0.5 69
YD.T1413.EHZ. 2018-08-28T15:41:27.16 0.3 undecidable manual S 88 13.2756 125 0.29 72
IV.TRIV.HHZ. 2018-08-28T15:41:26.49 0.1 positive manual P 250 26.8509 102 0.36 94
IV.FRES.HHZ. 2018-08-28T15:41:25.22 0.1 undecidable manual P 312 20.7681 108 0 100
IV.CIGN.HHZ. 2018-08-28T15:41:25.32 0.1 negative manual P 169 21.867 107 -0.07 100
YD.T1412.EHZ. 2018-08-28T15:41:25.58 0.6 undecidable manual S 226 10.1787 135 -0.65 44
IV.MELA.HHZ. 2018-08-28T15:41:25.85 0.1 negative manual P 125 27.4503 101 -0.36 93
YD.T1411.HNZ. 2018-08-28T15:41:24.06 0.1 positive manual P 28 12.2766 128 0 100
YD.T1413.EHZ. 2018-08-28T15:41:24.07 0.1 undecidable manual P 88 13.2756 125 -0.12 98
YD.T1412.EHZ. 2018-08-28T15:41:23.53 0.1 positive manual P 226 10.1787 135 -0.29 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRES.HHN. ML:2.1 0.000857 0.76 AML other m 2018-08-28T15:41:25.50
YD.T1412.EHN. ML:3.0 0.0103 0.58 AML other m 2018-08-28T15:41:26.13
YD.T1412.HNN. ML:3.0 0.00948 0.58 AML other m 2018-08-28T15:41:26.13
YD.T1412.HNE. ML:2.9 0.008960000000000001 0.46 AML other m 2018-08-28T15:41:26.54
YD.T1412.EHE. ML:2.9 0.008004999999999998 0.46 AML other m 2018-08-28T15:41:26.55
YD.T1411.HNE. ML:3.4 0.020700000000000003 0.26 AML other m 2018-08-28T15:41:27.41
YD.T1411.EHE. ML:3.4 0.0214 0.26 AML other m 2018-08-28T15:41:27.41
YD.T1413.EHN. ML:3.2 0.0145 0.5 AML other m 2018-08-28T15:41:27.29
YD.T1413.EHE. ML:2.9 0.0076950000000000005 0.52 AML other m 2018-08-28T15:41:27.28
YD.T1411.HNN. ML:3.1 0.011810000000000001 0.44 AML other m 2018-08-28T15:41:27.41
YD.T1411.EHN. ML:3.1 0.011045 0.44 AML other m 2018-08-28T15:41:27.41
IV.CIGN.HHN. ML:2.3 0.001265 0.38 AML other m 2018-08-28T15:41:29.81
IV.FRES.HHE. ML:2.3 0.001305 1.7 AML other m 2018-08-28T15:41:29.10
IV.MELA.HHE. ML:2.7 0.0025099999999999996 1.58 AML other m 2018-08-28T15:41:30.17
IV.MELA.HHN. ML:3.0 0.004894999999999999 0.22 AML other m 2018-08-28T15:41:31.23
IV.MELA.HNN. ML:3.0 0.004615 0.22 AML other m 2018-08-28T15:41:31.24
IV.TRIV.HHN. ML:2.2 0.000869 0.48 AML other m 2018-08-28T15:41:32.35
IV.TRIV.HNN. ML:2.2 0.0008195 0.46 AML other m 2018-08-28T15:41:32.36
IV.MELA.HNE. ML:2.7 0.0023250000000000002 0.28 AML other m 2018-08-28T15:41:34.25
IV.CIGN.HHE. ML:2.2 0.001114 1.54 AML other m 2018-08-28T15:41:34.80
IV.TRIV.HHE. ML:2.1 0.0006395 1.14 AML other m 2018-08-28T15:41:34.39
IV.BSSO.HNE. ML:2.1 0.000381 1.08 AML other m 2018-08-28T15:41:35.24
IV.BSSO.HHE. ML:1.7 0.00015900000000000002 1.08 AML other m 2018-08-28T15:41:35.24
IV.BSSO.HHN. ML:1.5 0.00011499999999999999 1.36 AML other m 2018-08-28T15:41:35.13
IV.BSSO.HNN. ML:2.0 0.000301 0.58 AML other m 2018-08-28T15:41:35.81
IV.TRIV.HNE. ML:2.1 0.0006154999999999999 0.44 AML other m 2018-08-28T15:41:37.23
IV.GATE.HHE. ML:2.3 0.0007869999999999999 0.46 AML other m 2018-08-28T15:41:37.45
IV.GATE.HNE. ML:2.3 0.000781 0.46 AML other m 2018-08-28T15:41:37.45
IV.SACR.HHE. ML:2.3 0.0005245 0.38 AML other m 2018-08-28T15:41:37.46
IV.SACR.HNE. ML:2.3 0.0005217545999999999 0.3584 AML other m 2018-08-28T15:41:37.46
IV.SACR.HHN. ML:2.0 0.000265 0.82 AML other m 2018-08-28T15:41:38.71
IV.SACR.HNN. ML:2.0 0.0002615 0.82 AML other m 2018-08-28T15:41:38.71
IV.MIDA.HHN. ML:2.2 0.0003285 1.52 AML other m 2018-08-28T15:41:38.05
IV.GATE.HHN. ML:2.2 0.0005615 0.4 AML other m 2018-08-28T15:41:39.21
IV.GATE.HNN. ML:2.2 0.0005859999999999999 0.38 AML other m 2018-08-28T15:41:39.21
IV.APRC.HHN. ML:2.6 0.000996 0.28 AML other m 2018-08-28T15:41:39.62
IV.APRC.HHE. ML:2.6 0.00088 1.02 AML other m 2018-08-28T15:41:39.53
IV.MIDA.HHE. ML:2.1 0.000266 0.52 AML other m 2018-08-28T15:41:39.96
IV.RNI2.HNN. ML:2.4 0.00049 0.18 AML other m 2018-08-28T15:41:40.22
IV.RNI2.HHN. ML:2.4 0.0005085 0.18 AML other m 2018-08-28T15:41:40.22
IV.RNI2.HHE. ML:2.4 0.00045650000000000004 0.3 AML other m 2018-08-28T15:41:41.67
IV.RNI2.HNE. ML:2.3 0.000439 0.32 AML other m 2018-08-28T15:41:41.68
IV.LPEL.HHN. ML:2.4 0.00044950000000000003 1.76 AML other m 2018-08-28T15:41:42.91
IV.LPEL.HHE. ML:2.3 0.0004285 1.02 AML other m 2018-08-28T15:41:42.45
IV.SGRT.HHE. ML:2.6 0.0005660000000000001 0.18 AML other m 2018-08-28T15:41:44.68
IV.INTR.HNE. ML:2.3 0.00027249999999999996 0.28 AML other m 2018-08-28T15:41:46.46
IV.INTR.HHE. ML:2.2 0.0001985 0.28 AML other m 2018-08-28T15:41:46.46
IV.SGRT.HHN. ML:2.5 0.00043899999999999994 1.2 AML other m 2018-08-28T15:41:48.07
IV.INTR.HNN. ML:2.4 0.000323 0.5 AML other m 2018-08-28T15:41:49.33
IV.INTR.HHN. ML:2.4 0.000348 0.5 AML other m 2018-08-28T15:41:49.33
IV.VAGA.HHN. ML:2.1 0.0001875 0.5 AML other m 2018-08-28T15:41:49.50
IV.VAGA.HNN. ML:2.1 0.0001855 0.48 AML other m 2018-08-28T15:41:49.51
IV.MSAG.HNE. ML:2.6 0.000437 0.46 AML other m 2018-08-28T15:41:50.27
IV.MSAG.HHE. ML:2.2 0.00017649999999999998 0.46 AML other m 2018-08-28T15:41:50.27
IV.VAGA.HNE. ML:1.8 0.00010785 0.6 AML other m 2018-08-28T15:41:50.84
IV.VAGA.HHE. ML:1.8 0.00011335 1.36 AML other m 2018-08-28T15:41:51.84
IV.MSAG.HHN. ML:2.6 0.000477 0.18 AML other m 2018-08-28T15:41:51.55
IV.MSAG.HNN. ML:3.0 0.0010899999999999998 0.16 AML other m 2018-08-28T15:41:51.55
IV.SGTA.HHE. ML:2.7 0.0005655 0.54 AML other m 2018-08-28T15:41:51.71
IV.SGTA.HHN. ML:2.3 0.0002495 1.44 AML other m 2018-08-28T15:41:52.98
IV.CERA.HHN. ML:2.2 0.000249 0.7 AML other m 2018-08-28T15:41:52.70
IV.PAOL.HHE. ML:2.5 0.00033350000000000003 0.52 AML other m 2018-08-28T15:41:52.75
IV.CERA.HHE. ML:2.0 0.00016700000000000002 0.5 AML other m 2018-08-28T15:41:53.22
IV.CAFE.HHN. ML:2.2 0.0001715 1.02 AML other m 2018-08-28T15:41:55.92
IV.PAOL.HHN. ML:2.2 0.00017549999999999998 1.34 AML other m 2018-08-28T15:41:55.09
IV.SNAL.HNN. ML:2.3 0.00017649999999999998 1.18 AML other m 2018-08-28T15:41:56.11
IV.CAFE.HHE. ML:2.6 0.0003755 0.3 AML other m 2018-08-28T15:41:57.15
IV.SNAL.HHE. ML:2.5 0.000257 0.96 AML other m 2018-08-28T15:41:57.90
IV.SNAL.HNE. ML:2.4 0.000247 0.9 AML other m 2018-08-28T15:41:57.91
IV.SNAL.HHN. ML:2.4 0.0002045 1.04 AML other m 2018-08-28T15:41:58.12
IV.VCEL.EHE. ML:2.6 0.00038250000000000003 0.3 AML other m 2018-08-28T15:42:01.30
IV.VCEL.EHN. ML:2.6 0.0003985 0.4 AML other m 2018-08-28T15:42:02.29
IV.TERO.HHE. ML:2.1 0.0000843 0.56 AML other m 2018-08-28T15:42:04.98
IV.TERO.HHN. ML:2.2 0.0001042 0.44 AML other m 2018-08-28T15:42:09.28
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
Waveforms Seismic signals in miniseed + resp format Download