Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 23-08-2018 and time 13:05:43 (Italy) in region 6 km S Montecilfone (CB)

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

  • 23-08-2018 11:05:43 (UTC)
  • 23-08-2018 13:05:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8520, 14.8480 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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
Palata CB 7 1726 3074
Guardialfiera CB 7 1065 4139
Larino CB 8 6793 10932
Acquaviva Collecroce CB 9 672 11604
Guglionesi CB 9 5321 16925
Tavenna CB 9 718 17643
Castelmauro CB 12 1505 19148
Casacalenda CB 12 2135 21283
Montorio nei Frentani CB 12 437 21720
San Felice del Molise CB 13 634 22354
Montenero di Bisaccia CB 13 6675 29029
San Martino in Pensilis CB 14 4793 33822
Lupara CB 14 505 34327
Ururi CB 14 2693 37020
Provvidenti CB 15 119 37139
Mafalda CB 15 1211 38350
San Giacomo degli Schiavoni CB 15 1406 39756
Civitacampomarano CB 15 417 40173
Portocannone CB 15 2551 42724
Montelongo CB 15 365 43089
Castelbottaccio CB 16 312 43401
Morrone del Sannio CB 17 587 43988
Montemitro CB 17 395 44383
Montefalcone nel Sannio CB 17 1556 45939
Rotello CB 17 1212 47151
Bonefro CB 18 1384 48535
Petacciato CB 18 3819 52354
Ripabottoni CB 18 514 52868
Lucito CB 19 696 53564
Campomarino CB 19 7712 61276
Castellino del Biferno CB 19 545 61821
Santa Croce di Magliano CB 20 4435 66256
Tufillo CH 20 406 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 2.4 2018-08-23
11:05:43		 41.8522 14.8483 14 2019-04-24
14:50:58		 Bollettino Sismico Italiano INGV 63611251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-23 11:05:43 ± 0.14
Latitude 41.8522 ± 0.0072
Longitude 14.8483 ± 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 63611251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 770
Semi-minor axis of confidence ellipse (meter) 239
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 193
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
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) 0.09083
Epicentral distance of station farthest from the epicenter (degree) 0.80309
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitude information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 63611251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-26 16:57:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MIDA.HHZ. 2018-08-23T11:06:00.84 0.6 undecidable manual S 245 54.4011 94 0.16 46
IV.SACR.HHZ. 2018-08-23T11:06:00.21 0.3 undecidable manual S 193 51.8037 94 0.23 68
IV.MSAG.HNE. 2018-08-23T11:05:59.77 0.6 undecidable manual P 100 89.1441 92 0.94 34
IV.BSSO.HHZ. 2018-08-23T11:05:58.04 0.3 undecidable manual S 212 39.9267 96 1.21 47
IV.INTR.HHZ. 2018-08-23T11:05:56.76 0.1 undecidable manual P 283 79.8645 92 -0.64 76
IV.SGRT.HHN. 2018-08-23T11:05:56.93 0.6 undecidable manual P 98 74.8695 93 0.31 43
IV.SGG.HHZ. 2018-08-23T11:05:55.72 1.0 undecidable manual P 217 64.6908 93 0.66 20
IV.VAGA.HHZ. 2018-08-23T11:05:55.39 1.0 undecidable manual P 227 70.2741 93 -0.53 21
IV.MOCO.HNE. 2018-08-23T11:05:54.27 0.6 undecidable manual P 154 59.2962 94 0.03 47
IV.RNI2.HHZ. 2018-08-23T11:05:54.33 0.1 undecidable manual P 254 59.8956 93 0 94
IV.APRC.HHN. 2018-08-23T11:05:54.90 0.6 undecidable manual P 100 58.3971 94 0.8 38
IV.TRIV.HHZ. 2018-08-23T11:05:54.28 0.6 undecidable manual S 249 26.4513 102 1.03 35
IV.LPEL.HHZ. 2018-08-23T11:05:54.00 0.3 undecidable manual P 292 58.9965 94 -0.19 68
IV.PTRJ.HHZ. 2018-08-23T11:05:54.39 0.6 undecidable manual P 206 60.2952 93 0.01 47
IV.MIDA.HHZ. 2018-08-23T11:05:53.03 0.1 undecidable manual P 245 54.4011 94 -0.46 86
IV.MELA.HNN. 2018-08-23T11:05:53.35 0.6 undecidable manual S 125 28.1496 100 -0.36 46
IV.CIGN.HHZ. 2018-08-23T11:05:52.34 0.6 undecidable manual S 168 22.4553 106 0.12 49
IV.SACR.HHZ. 2018-08-23T11:05:52.77 0.1 undecidable manual P 193 51.8037 94 -0.31 90
IV.FRES.HHZ. 2018-08-23T11:05:51.96 0.6 undecidable manual S 312 19.9689 109 0.36 47
IV.BSSO.HHZ. 2018-08-23T11:05:51.42 0.3 undecidable manual P 212 39.9267 96 0.16 71
IV.GATE.HNN. 2018-08-23T11:05:51.11 0.3 undecidable manual P 172 37.9287 97 0.15 71
YD.T1411.HNZ. 2018-08-23T11:05:50.23 0.3 undecidable manual S 31 12.2766 127 0.47 70
YD.T1412.HNZ. 2018-08-23T11:05:49.10 0.3 undecidable manual S 221 10.0788 135 -0.23 75
IV.CIGN.HHZ. 2018-08-23T11:05:48.22 0.3 undecidable manual P 168 22.4553 106 -0.39 70
IV.FRES.HHZ. 2018-08-23T11:05:48.50 0.6 undecidable manual P 312 19.9689 109 0.26 48
IV.MELA.HNN. 2018-08-23T11:05:48.93 0.1 undecidable manual P 125 28.1496 100 -0.54 87
IV.TRIV.HHZ. 2018-08-23T11:05:48.90 0.6 undecidable manual P 249 26.4513 102 -0.3 47
YD.T1411.HNZ. 2018-08-23T11:05:47.13 0.1 undecidable manual P 31 12.2766 127 -0.06 100
YD.T1412.HNZ. 2018-08-23T11:05:46.70 0.1 positive manual P 221 10.0788 135 -0.24 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRES.HHN. ML:2.3 0.0012498849999999998 0.2176 AML other m 2018-08-23T11:05:53.56
IV.FRES.HHE. ML:2.3 0.0013568385 0.2368 AML other m 2018-08-23T11:05:53.61
IV.TRIV.HHN. ML:2.4 0.0012096917 0.3584 AML other m 2018-08-23T11:05:55.47
IV.TRIV.HNN. ML:2.3 0.00113939115 0.3584 AML other m 2018-08-23T11:05:55.47
IV.TRIV.HNE. ML:2.2 0.00091425885 1.0432 AML other m 2018-08-23T11:05:55.76
IV.TRIV.HHE. ML:2.3 0.00097300925 1.0432 AML other m 2018-08-23T11:05:55.76
IV.BSSO.HNE. ML:2.2 0.0004964680499999999 0.2944 AML other m 2018-08-23T11:05:58.33
IV.BSSO.HHE. ML:1.8 0.00020795705 0.2944 AML other m 2018-08-23T11:05:58.33
IV.BSSO.HNN. ML:2.0 0.0003560894 0.416 AML other m 2018-08-23T11:05:59.58
IV.SACR.HHE. ML:2.4 0.00067436055 0.3584 AML other m 2018-08-23T11:06:00.56
IV.SACR.HNE. ML:2.4 0.0006440118 0.3392 AML other m 2018-08-23T11:06:00.56
IV.MIDA.HNE. ML:2.5 0.0007978874 0.256 AML other m 2018-08-23T11:06:01.52
IV.SACR.HHN. ML:2.2 0.00035609855000000003 0.3008 AML other m 2018-08-23T11:06:01.82
IV.SACR.HNN. ML:2.2 0.00034555405 0.32 AML other m 2018-08-23T11:06:01.98
IV.MIDA.HHE. ML:2.6 0.00085301395 0.16 AML other m 2018-08-23T11:06:01.83
IV.MIDA.HHN. ML:2.6 0.0008627292 0.2368 AML other m 2018-08-23T11:06:02.29
IV.MIDA.HNN. ML:2.6 0.00086096935 0.2368 AML other m 2018-08-23T11:06:02.29
IV.PTRJ.HHN. ML:2.4 0.00044519315000000003 0.2752 AML other m 2018-08-23T11:06:03.23
IV.LPEL.HHE. ML:2.7 0.00098464905 0.096 AML other m 2018-08-23T11:06:03.20
IV.RNI2.HHN. ML:3.1 0.0023555675000000004 0.16 AML other m 2018-08-23T11:06:03.31
IV.RNI2.HNN. ML:3.0 0.00218998 0.1408 AML other m 2018-08-23T11:06:03.32
IV.PTRJ.HNN. ML:2.3 0.00040428739999999995 0.2816 AML other m 2018-08-23T11:06:04.23
IV.RNI2.HNE. ML:2.8 0.0011595783499999998 0.2176 AML other m 2018-08-23T11:06:04.80
IV.RNI2.HHE. ML:2.8 0.0012509990000000003 0.2176 AML other m 2018-08-23T11:06:04.80
IV.LPEL.HHN. ML:2.6 0.0009284279 0.2176 AML other m 2018-08-23T11:06:05.10
IV.PTRJ.HNE. ML:2.3 0.00039782085000000003 0.3648 AML other m 2018-08-23T11:06:05.14
IV.VAGA.HHE. ML:2.1 0.00021885189999999998 0.1792 AML other m 2018-08-23T11:06:07.10
IV.VAGA.HNE. ML:2.1 0.00020407825 0.1984 AML other m 2018-08-23T11:06:07.85
IV.INTR.HHN. ML:2.6 0.0005945939499999999 0.2176 AML other m 2018-08-23T11:06:08.24
IV.INTR.HHE. ML:2.5 0.00039298815 0.16 AML other m 2018-08-23T11:06:08.28
IV.VAGA.HHN. ML:2.3 0.0003392946 0.3008 AML other m 2018-08-23T11:06:12.65
IV.VAGA.HNN. ML:2.3 0.00032933595 0.3008 AML other m 2018-08-23T11:06:12.65
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