Earthquake with magnitude of ML 1.5 on date 25-08-2018 and time 12:02:45 (Italy) in region 4 km N Guardialfiera (CB)

A magnitude ML 1.5 earthquake occured in region: 4 km N Guardialfiera (CB), on

  • 25-08-2018 10:02:45 (UTC)
  • 25-08-2018 12:02:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.84, 14.8 at 17 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 4 1065 1065
Acquaviva Collecroce CB 6 672 1737
Palata CB 6 1726 3463
Castelmauro CB 8 1505 4968
Montecilfone CB 8 1348 6316
Tavenna CB 9 718 7034
Larino CB 10 6793 13827
Lupara CB 10 505 14332
San Felice del Molise CB 11 634 14966
Civitacampomarano CB 11 417 15383
Casacalenda CB 11 2135 17518
Castelbottaccio CB 12 312 17830
Guglionesi CB 13 5321 23151
Provvidenti CB 13 119 23270
Montorio nei Frentani CB 14 437 23707
Morrone del Sannio CB 14 587 24294
Montenero di Bisaccia CB 14 6675 30969
Montefalcone nel Sannio CB 14 1556 32525
Mafalda CB 14 1211 33736
Montemitro CB 14 395 34131
Lucito CB 15 696 34827
Castellino del Biferno CB 16 545 35372
Ripabottoni CB 16 514 35886
Montelongo CB 16 365 36251
Roccavivara CB 17 815 37066
Tufillo CH 17 406 37472
Ururi CB 17 2693 40165
San Martino in Pensilis CB 18 4793 44958
Bonefro CB 18 1384 46342
Dogliola CH 18 359 46701
Petrella Tifernina CB 18 1170 47871
San Giacomo degli Schiavoni CB 19 1406 49277
Celenza sul Trigno CH 19 915 50192
Rotello CB 19 1212 51404
Portocannone CB 19 2551 53955
Fresagrandinaria CH 20 961 54916

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km W of San Severo (53905 inhabitants)
74 Km NW of Foggia (151991 inhabitants)
78 Km SE of Chieti (51815 inhabitants)
78 Km N of Benevento (60091 inhabitants)
85 Km SE of Pescara (121014 inhabitants)
93 Km SE of Montesilvano (53738 inhabitants)
93 Km NE of Caserta (76326 inhabitants)
95 Km W of Manfredonia (57279 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
Rev 1000 ML 1.5 2018-08-25
10:02:45
41.84 14.8 17 2019-04-24
14:51:15
Bollettino Sismico Italiano INGV 67004141
Rev 100 ML 1.4 2018-08-25
10:02:46
41.82 14.86 10 2018-08-25
10:09:30
Sala Sismica INGV-Roma 60190211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-25 10:02:45 ± 0.11
Latitude 41.84 ± 0.00
Longitude 14.80 ± 0.01
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67004141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 671
Semi-minor axis of confidence ellipse (meter) 215
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 311
Circular confidence region, given by single value of horizontal uncertainty (meter) 670
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 191
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.27339
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 67004141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-28 09:48:58

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 60190211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-25 10:09:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.PANTE.HHZ. 2018-08-25T10:03:28.60 3.0 negative manual Pn -0.95 0
IV.EUCT.HNZ. 2018-08-25T10:03:25.49 3.0 undecidable manual Sn -0.53 0
GU.ENR.HHZ. 2018-08-25T10:03:11.83 3.0 undecidable manual Pg 17.51 0
IV.JOPP.HHZ. 2018-08-25T10:03:09.28 3.0 undecidable manual Pn 5.43 0
GU.GSCL.HHZ. 2018-08-25T10:03:07.41 3.0 undecidable manual Sg 9.82 0
IV.MELA.HHZ. 2018-08-25T10:02:56.64 0.3 undecidable manual S 118 0.2734 109 0.15 72
IV.SPS2.HHZ. 2018-08-25T10:02:56.95 3.0 positive manual Pn 0.99 0
YD.T1411.EHZ. 2018-08-25T10:02:53.17 0.3 undecidable manual S 39 0.143 129 0.09 73
YD.T1413.EHZ. 2018-08-25T10:02:53.43 0.3 undecidable manual S 84 0.1592 126 -0.04 73
IV.PIPA.HHZ. 2018-08-25T10:02:53.12 3.0 negative manual Pn -1.99 0
YD.T1412.EHZ. 2018-08-25T10:02:51.51 0.3 undecidable manual S 208 0.0585 156 -0.03 76
IV.MELA.HHZ. 2018-08-25T10:02:51.82 0.1 undecidable manual P 118 0.2734 109 -0.09 94
YD.T1413.EHZ. 2018-08-25T10:02:50.10 0.1 undecidable manual P 84 0.1592 126 -0.06 97
IV.CIGN.HHZ. 2018-08-25T10:02:50.86 0.6 undecidable manual P 157 0.1961 119 0.16 48
IV.CSNT.HHZ. 2018-08-25T10:02:50.61 3.0 undecidable manual Sg 2.85 0
YD.T1412.EHZ. 2018-08-25T10:02:49.08 0.1 undecidable manual P 208 0.0585 156 0.02 100
YD.T1411.EHZ. 2018-08-25T10:02:49.92 0.1 undecidable manual P 39 0.143 129 -0.02 99
IV.SARZ.HHZ. 2018-08-25T10:02:43.18 3.0 negative manual Pn 2.98 0
IV.LMD.HHZ. 2018-08-25T10:02:33.60 3.0 undecidable manual Sg -4.23 0
IV.BRSN.EHZ. 2018-08-25T10:02:25.77 3.0 undecidable manual Sn -5.6 0
IV.IMOL.HNZ. 2018-08-25T10:02:11.55 3.0 positive manual P -0.19 0
IV.LMD.HHZ. 2018-08-25T10:02:10.81 3.0 undecidable manual P -1.15 0
IV.NARO.HHZ. 2018-08-25T10:02:01.75 3.0 undecidable manual P -3.05 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
YD.T1412.HNE. ML:1.6 0.00036900425 0.1408 AML other m 2018-08-25T10:02:52.04
YD.T1412.EHE. ML:1.6 0.00041551455 0.224 AML other m 2018-08-25T10:02:52.40
YD.T1412.HNN. ML:1.6 0.00040843675 1.8592 AML other m 2018-08-25T10:02:53.04
YD.T1411.EHN. ML:1.6 0.0002451758 0.32 AML other m 2018-08-25T10:02:54.06
IV.SPS2.HHN. ML:0 5.26E-5 0.08 AML other m 2018-08-25T10:02:57.06
IV.MELA.HHN. ML:1.6 0.00015779575 0.1216 AML other m 2018-08-25T10:02:57.31
YD.T1411.EHE. ML:1.4 0.00017392985 0.416 AML other m 2018-08-25T10:02:57.55
YD.T1411.HNE. ML:1.6 0.0002485753 0.4288 AML other m 2018-08-25T10:02:57.56
YD.T1413.EHE. ML:1.3 0.000141559315 1.5776 AML other m 2018-08-25T10:02:59.03
YD.T1413.EHN. ML:1.4 0.000148442335 0.8 AML other m 2018-08-25T10:03:02.42
IV.MELA.HNE. ML:1.6 0.00015870065 1.1776 AML other m 2018-08-25T10:03:09.70
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download