Earthquake with magnitude of ML 1.7 on date 27-08-2018 and time 15:54:55 (Italy) in region 4 km NW Larino (CB)

A magnitude ML 1.7 earthquake occured in region: 4 km NW Larino (CB), on

  • 27-08-2018 13:54:55 (UTC)
  • 27-08-2018 15:54:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8340, 14.8850 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Larino CB 4 6793 6793
Guardialfiera CB 8 1065 7858
Montecilfone CB 9 1348 9206
Guglionesi CB 9 5321 14527
Montorio nei Frentani CB 9 437 14964
Palata CB 10 1726 16690
Ururi CB 11 2693 19383
Casacalenda CB 11 2135 21518
San Martino in Pensilis CB 11 4793 26311
Montelongo CB 12 365 26676
Acquaviva Collecroce CB 12 672 27348
Tavenna CB 13 718 28066
Provvidenti CB 14 119 28185
Rotello CB 14 1212 29397
Portocannone CB 14 2551 31948
Castelmauro CB 14 1505 33453
Lupara CB 15 505 33958
Bonefro CB 15 1384 35342
San Giacomo degli Schiavoni CB 16 1406 36748
Morrone del Sannio CB 16 587 37335
Santa Croce di Magliano CB 16 4435 41770
Montenero di Bisaccia CB 16 6675 48445
San Felice del Molise CB 17 634 49079
Civitacampomarano CB 17 417 49496
Castelbottaccio CB 17 312 49808
Ripabottoni CB 17 514 50322
San Giuliano di Puglia CB 18 1042 51364
Campomarino CB 18 7712 59076
Mafalda CB 19 1211 60287
Castellino del Biferno CB 19 545 60832
Lucito CB 20 696 61528

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of San Severo (53905 inhabitants)
69 Km NW of Foggia (151991 inhabitants)
79 Km N of Benevento (60091 inhabitants)
83 Km SE of Chieti (51815 inhabitants)
89 Km W of Manfredonia (57279 inhabitants)
89 Km SE of Pescara (121014 inhabitants)
96 Km NE of Caserta (76326 inhabitants)
97 Km SE of Montesilvano (53738 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 2018-08-27
13:54:55
41.8338 14.885 14 2019-04-24
14:51:14
Bollettino Sismico Italiano INGV 66944501
Reviewed
Rev100
ML 2.0 2018-08-27
13:54:55
41.8362 14.8612 17 2018-08-27
14:03:14
Sala Sismica INGV-Roma 60266371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-27 13:54:55 ± 0.19
Latitude 41.8338 ± 0.0090
Longitude 14.8850 ± 0.0109
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 66944501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1021
Semi-minor axis of confidence ellipse (meter) 360
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 214
Circular confidence region, given by single value of horizontal uncertainty (meter) 1020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.09982
Epicentral distance of station farthest from the epicenter (degree) 0.56387
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.5
Num. used stations 8
Type of magnitude ML
Reference to an origin 66944501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-26 18:18:23

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 60266371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-27 14:03:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2018-08-27T13:55:07.03 0.3 undecidable manual P 292 62.5929 94 0.34 65
IV.TRIV.HHN. 2018-08-27T13:55:06.61 0.6 undecidable manual S 255 28.6491 101 0.79 41
IV.MELA.HHZ. 2018-08-27T13:55:04.87 0.6 undecidable manual S 125 24.5532 105 0.13 48
IV.FRES.HHE. 2018-08-27T13:55:03.73 0.6 undecidable manual S 311 23.6541 106 -0.77 39
IV.CIGN.HHZ. 2018-08-27T13:55:03.49 0.6 undecidable manual S 175 19.9689 111 -0.09 49
YD.T1411.EHZ. 2018-08-27T13:55:02.18 0.3 undecidable manual S 15 12.876 127 0.26 72
IV.TRIV.HHN. 2018-08-27T13:55:02.36 0.3 undecidable manual P 255 28.6491 101 0.85 59
YD.T1413.EHZ. 2018-08-27T13:55:01.99 0.3 undecidable manual S 79 11.0778 132 0.44 69
YD.T1412.EHZ. 2018-08-27T13:55:01.39 0.3 undecidable manual S 240 11.1777 132 -0.17 72
IV.CIGN.HHZ. 2018-08-27T13:55:00.19 0.1 undecidable manual P 175 19.9689 111 -0.03 99
IV.MELA.HHZ. 2018-08-27T13:55:00.60 0.1 undecidable manual P 125 24.5532 105 -0.28 94
IV.FRES.HHE. 2018-08-27T13:55:00.42 0.3 undecidable manual P 311 23.6541 106 -0.33 69
YD.T1411.EHZ. 2018-08-27T13:54:59.07 0.1 positive manual P 15 12.876 127 -0.19 98
YD.T1412.EHZ. 2018-08-27T13:54:58.71 0.1 undecidable manual P 240 11.1777 132 -0.34 93
YD.T1413.EHZ. 2018-08-27T13:54:58.94 0.1 negative manual P 79 11.0778 132 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
YD.T1412.HNE. ML:2.2 0.0016400000000000002 0.76 AML other m 2018-08-27T13:55:01.52
YD.T1412.HNN. ML:2.1 0.00125 0.14 AML other m 2018-08-27T13:55:01.71
YD.T1411.EHN. ML:2.2 0.001508295 0.1792 AML other m 2018-08-27T13:55:02.27
YD.T1411.HNN. ML:2.2 0.001492349 0.1728 AML other m 2018-08-27T13:55:02.27
IV.CIGN.HHN. ML:1.0 0.000060358165000000005 0.384 AML other m 2018-08-27T13:55:04.78
IV.MELA.HHE. ML:1.4 0.00013190558 0.3392 AML other m 2018-08-27T13:55:09.36
IV.MELA.HNE. ML:1.3 0.00011869960499999999 0.32 AML other m 2018-08-27T13:55:09.36
IV.LPEL.HHE. ML:1.3 0.00003435602 0.16 AML other m 2018-08-27T13:55:17.92
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
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