Earthquake with magnitude of ML 1.7 on date 26-08-2018 and time 08:33:15 (Italy) in region 6 km S Montecilfone (CB)

A magnitude ML 1.7 earthquake occured in region: 6 km S Montecilfone (CB), on

  • 26-08-2018 06:33:15 (UTC)
  • 26-08-2018 08:33:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8460, 14.8460 at 16 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
Guardialfiera CB 6 1065 1065
Montecilfone CB 6 1348 2413
Palata CB 7 1726 4139
Larino CB 7 6793 10932
Acquaviva Collecroce CB 9 672 11604
Guglionesi CB 9 5321 16925
Tavenna CB 10 718 17643
Castelmauro CB 11 1505 19148
Casacalenda CB 12 2135 21283
Montorio nei Frentani CB 12 437 21720
San Felice del Molise CB 13 634 22354
Lupara CB 13 505 22859
Montenero di Bisaccia CB 14 6675 29534
San Martino in Pensilis CB 14 4793 34327
Provvidenti CB 14 119 34446
Ururi CB 14 2693 37139
Civitacampomarano CB 15 417 37556
Montelongo CB 15 365 37921
Castelbottaccio CB 15 312 38233
Mafalda CB 15 1211 39444
Morrone del Sannio CB 16 587 40031
Portocannone CB 16 2551 42582
San Giacomo degli Schiavoni CB 16 1406 43988
Rotello CB 17 1212 45200
Montemitro CB 17 395 45595
Montefalcone nel Sannio CB 17 1556 47151
Bonefro CB 18 1384 48535
Ripabottoni CB 18 514 49049
Lucito CB 18 696 49745
Castellino del Biferno CB 19 545 50290
Petacciato CB 19 3819 54109
Santa Croce di Magliano CB 19 4435 58544
Tufillo CH 20 406 58950
Campomarino CB 20 7712 66662

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km W of San Severo (53905 inhabitants)
72 Km NW of Foggia (151991 inhabitants)
79 Km SE of Chieti (51815 inhabitants)
80 Km N of Benevento (60091 inhabitants)
86 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 1.7 2018-08-26
06:33:15
41.846 14.8463 16 2019-04-24
14:51:14
Bollettino Sismico Italiano INGV 66964631
Reviewed
Rev100
ML 2.1 2018-08-26
06:33:15
41.8465 14.8492 13 2018-08-26
06:39:20
Sala Sismica INGV-Roma 60223261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-26 06:33:15 ± 0.16
Latitude 41.8460 ± 0.0081
Longitude 14.8463 ± 0.0109
Depth (km) 16 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 66964631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 802
Semi-minor axis of confidence ellipse (meter) 672
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 164
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.08544
Epicentral distance of station farthest from the epicenter (degree) 0.71946
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 60223261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-26 06:39:20

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 20
Type of magnitude ML
Reference to an origin 66964631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-27 09:49:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHZ. 2018-08-26T06:33:28.80 0.1 undecidable manual P 284 79.8645 94 -0.54 81
IV.LPEL.HHZ. 2018-08-26T06:33:26.01 0.1 undecidable manual P 292 59.0964 96 -0.14 92
IV.MELA.HHZ. 2018-08-26T06:33:25.53 0.6 undecidable manual S 124 27.9498 106 -0.15 47
IV.CIGN.HHZ. 2018-08-26T06:33:24.15 0.6 undecidable manual S 167 21.867 113 0.01 50
IV.SACR.HHZ. 2018-08-26T06:33:24.81 0.3 undecidable manual P 193 51.1155 97 -0.11 70
IV.FRES.HHZ. 2018-08-26T06:33:23.75 0.6 undecidable manual S 314 20.3685 115 -0.03 50
IV.GATE.HNN. 2018-08-26T06:33:23.60 0.3 undecidable manual P 172 37.3293 101 0.78 59
IV.BSSO.HHZ. 2018-08-26T06:33:23.51 0.3 undecidable manual P 212 39.3273 100 0.39 67
YD.T1413.EHZ. 2018-08-26T06:33:22.51 0.3 undecidable manual S 87 14.0748 128 0.14 75
YD.T1411.HNZ. 2018-08-26T06:33:22.39 0.3 undecidable manual S 31 12.876 132 0.27 73
IV.TRIV.HHZ. 2018-08-26T06:33:21.72 0.3 undecidable manual P 250 26.0517 108 0.59 64
YD.T1412.EHZ. 2018-08-26T06:33:21.22 0.3 undecidable manual S 223 9.4794 142 -0.28 74
IV.MELA.HHZ. 2018-08-26T06:33:21.11 0.1 undecidable manual P 124 27.9498 106 -0.3 92
IV.CIGN.HHZ. 2018-08-26T06:33:20.57 0.1 undecidable manual P 167 21.867 113 0.05 100
IV.FRES.HHZ. 2018-08-26T06:33:20.57 0.1 undecidable manual P 314 20.3685 115 0.25 95
YD.T1411.HNZ. 2018-08-26T06:33:19.31 0.1 positive manual P 31 12.876 132 -0.05 100
YD.T1413.EHZ. 2018-08-26T06:33:19.35 0.1 undecidable manual P 87 14.0748 128 -0.15 97
YD.T1412.EHZ. 2018-08-26T06:33:18.74 0.1 positive manual P 223 9.4794 142 -0.26 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
YD.T1412.EHN. ML:0.5 0.000032357184999999995 0.0992 AML other m 2018-08-26T06:33:21.55
YD.T1412.HNE. ML:2.2 0.0014974565 0.1312 AML other m 2018-08-26T06:33:21.53
YD.T1412.EHE. ML:2.2 0.001667516 0.1408 AML other m 2018-08-26T06:33:21.53
YD.T1412.HNN. ML:2.1 0.001290783 0.2816 AML other m 2018-08-26T06:33:22.88
YD.T1411.HNN. ML:2.3 0.0015819014999999999 0.288 AML other m 2018-08-26T06:33:22.66
YD.T1411.EHN. ML:2.3 0.001626311 0.2976 AML other m 2018-08-26T06:33:22.67
YD.T1411.EHE. ML:2.0 0.0009096322000000001 0.2592 AML other m 2018-08-26T06:33:22.71
YD.T1411.HNE. ML:2.0 0.0009097898 0.2592 AML other m 2018-08-26T06:33:22.70
YD.T1413.EHE. ML:1.8 0.00044610605000000006 0.1408 AML other m 2018-08-26T06:33:22.54
IV.FRES.HHE. ML:1.6 0.00021823144999999998 0.1376 AML other m 2018-08-26T06:33:24.81
IV.FRES.HHN. ML:1.4 0.0001623277 0.1376 AML other m 2018-08-26T06:33:24.54
IV.CIGN.HHN. ML:1.4 0.00016283915500000002 0.5792 AML other m 2018-08-26T06:33:24.00
IV.CIGN.HHE. ML:1.3 0.00012957328500000001 0.6592 AML other m 2018-08-26T06:33:24.77
IV.MELA.HHE. ML:1.7 0.00022638468 0.08 AML other m 2018-08-26T06:33:25.96
IV.MELA.HNE. ML:1.6 0.000197105025 0.0896 AML other m 2018-08-26T06:33:25.96
IV.MELA.HHN. ML:1.6 0.00020744760000000002 0.0992 AML other m 2018-08-26T06:33:26.44
IV.TRIV.HNE. ML:1.4 0.00014135208 0.56 AML other m 2018-08-26T06:33:29.80
IV.TRIV.HHE. ML:1.4 0.00011703271000000001 0.5184 AML other m 2018-08-26T06:33:29.80
IV.LPEL.HHE. ML:1.4 0.00005066598 0.1024 AML other m 2018-08-26T06:33:37.43
IV.LPEL.HHN. ML:1.3 0.00003859900500000001 0.1216 AML other m 2018-08-26T06:33:36.14
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