Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 18-04-2019 and time 15:56:59 (UTC) in region 2 km W Bonefro (CB)

A magnitude ML 1.9 earthquake occured in region: 2 km W Bonefro (CB), on

  • 18-04-2019 15:56:59 (UTC)
  • 18-04-2019 17:56:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7000, 14.9130 at 20 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
Bonefro CB 2 1384 1384
San Giuliano di Puglia CB 5 1042 2426
Montelongo CB 5 365 2791
Colletorto CB 6 1938 4729
Santa Croce di Magliano CB 7 4435 9164
Montorio nei Frentani CB 7 437 9601
Casacalenda CB 7 2135 11736
Provvidenti CB 8 119 11855
Ripabottoni CB 9 514 12369
Sant'Elia a Pianisi CB 9 1818 14187
Rotello CB 10 1212 15399
Morrone del Sannio CB 11 587 15986
Larino CB 11 6793 22779
Macchia Valfortore CB 12 576 23355
Monacilioni CB 13 523 23878
Carlantino FG 13 980 24858
Pietracatella CB 14 1375 26233
Campolieto CB 14 839 27072
Castellino del Biferno CB 15 545 27617
Guardialfiera CB 15 1065 28682
Ururi CB 15 2693 31375
Celenza Valfortore FG 16 1598 32973
Lupara CB 16 505 33478
Petrella Tifernina CB 18 1170 34648
Castelbottaccio CB 18 312 34960
Casalnuovo Monterotaro FG 18 1556 36516
San Giovanni in Galdo CB 18 580 37096
Toro CB 19 1391 38487
Lucito CB 19 696 39183
Matrice CB 19 1115 40298

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km W of San Severo (53905 inhabitants)
59 Km W of Foggia (151991 inhabitants)
64 Km N of Benevento (60091 inhabitants)
84 Km W of Manfredonia (57279 inhabitants)
85 Km NE of Caserta (76326 inhabitants)
88 Km N of Avellino (54857 inhabitants)
95 Km SE of Chieti (51815 inhabitants)
95 Km NE of Acerra (59573 inhabitants)
96 Km NW of Cerignola (58396 inhabitants)
100 Km NE of Afragola (65057 inhabitants)
100 Km NE of Aversa (53047 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 1.9 2019-04-18
15:56:59		 41.7 14.9133 21 2019-08-22
08:25:14		 Bollettino Sismico Italiano INGV 71245201
Reviewed
Rev100 		ML 1.9 2019-04-18
15:56:59		 41.6838 14.9178 19 2019-04-18
16:15:30		 Sala Sismica INGV-Roma 67717461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-18 15:56:59 ± 0.21
Latitude 41.7000 ± 0.0126
Longitude 14.9133 ± 0.0120
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71245201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1343
Semi-minor axis of confidence ellipse (meter) 800
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 333
Circular confidence region, given by single value of horizontal uncertainty (meter) 1340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.80489
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 25
Type of magnitude ML
Reference to an origin 71245201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-07 12:52:46

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 25
Type of magnitude ML
Reference to an origin 67717461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-18 16:15:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.OZOL.EHZ. 2019-04-18T15:57:47.28 3.0 undecidable manual Sn 4.69 0
IV.CAPR.HNZ. 2019-04-18T15:57:38.02 3.0 undecidable manual Sn 5.62 0
GU.RNCA.HHZ. 2019-04-18T15:57:31.67 3.0 undecidable manual Sg 8.56 0
IV.HPAC.HHZ. 2019-04-18T15:57:28.74 3.0 negative manual Pn -3.39 0
IV.CADC.HNZ. 2019-04-18T15:57:24.52 3.0 undecidable manual Sn -2.37 0
IV.CDRU.HHZ. 2019-04-18T15:57:22.70 3.0 undecidable manual Sn -5.72 0
IV.APRC.HHZ. 2019-04-18T15:57:15.69 0.6 undecidable manual S 83 52.503 103 -0.28 45
CR.ZAG.BHZ. 2019-04-18T15:57:14.66 3.0 undecidable manual Pg 14.13 0
IV.MOCO.HHZ. 2019-04-18T15:57:13.34 0.6 undecidable manual S 151 41.8248 107 0.11 47
IV.SNAL.HHZ. 2019-04-18T15:57:13.65 0.3 undecidable manual P 164 89.3439 97 -0.84 53
IV.MSAG.HHZ. 2019-04-18T15:57:13.91 1.0 undecidable manual P 89 82.5507 98 0.47 20
IV.SACR.HHZ. 2019-04-18T15:57:12.12 0.6 undecidable manual S 207 37.7289 110 -0.06 48
IV.BSSO.HHZ. 2019-04-18T15:57:11.00 0.6 undecidable manual S 237 31.5462 114 0.36 46
IV.SGRT.HHZ. 2019-04-18T15:57:11.60 0.6 undecidable manual P 85 68.9754 99 0.22 44
IV.TEOL.HHZ. 2019-04-18T15:57:09.18 3.0 undecidable manual Sn -6.3 0
IV.GATE.HHZ. 2019-04-18T15:57:09.70 0.6 undecidable manual S 181 20.7681 127 1.54 27
IV.PTRJ.HHZ. 2019-04-18T15:57:08.12 0.3 undecidable manual P 221 49.0176 104 -0.25 68
IV.APRC.HHZ. 2019-04-18T15:57:08.71 0.3 undecidable manual P 83 52.503 103 -0.18 69
IV.MELA.HHZ. 2019-04-18T15:57:07.81 0.3 undecidable manual S 88 17.6712 133 0.26 71
IV.MOCO.HHZ. 2019-04-18T15:57:07.43 0.3 undecidable manual P 151 41.8248 107 0.13 70
IT.GDFR.HNZ. 2019-04-18T15:57:07.30 0.3 undecidable manual S 320 14.9739 138 0.27 73
IV.SACR.HHZ. 2019-04-18T15:57:06.43 0.3 undecidable manual P 207 37.7289 110 -0.27 69
IV.BSSO.HHZ. 2019-04-18T15:57:05.89 0.1 undecidable manual P 237 31.5462 114 0.08 97
IV.CIGN.HHZ. 2019-04-18T15:57:05.15 0.3 undecidable manual S 188 5.0949 164 -0.59 67
IV.MELA.HHZ. 2019-04-18T15:57:04.05 0.1 undecidable manual P 88 17.6712 133 0.03 100
IV.GATE.HHZ. 2019-04-18T15:57:04.81 0.3 undecidable manual P 181 20.7681 127 0.43 68
IT.GDFR.HNZ. 2019-04-18T15:57:03.78 0.3 undecidable manual P 320 14.9739 138 0.06 75
IV.CIGN.HHZ. 2019-04-18T15:57:02.62 0.1 undecidable manual P 188 5.0949 164 -0.36 72
GU.GSCL.HHZ. 2019-04-18T15:56:55.60 3.0 undecidable manual Sn -4.41 0
IV.CRMI.HHZ. 2019-04-18T15:56:44.68 3.0 undecidable manual S -0.5 0
IV.NDIM.HHZ. 2019-04-18T15:56:42.60 3.0 negative manual Pg 5.54 0
IV.OSSC.HHZ. 2019-04-18T15:56:37.70 3.0 undecidable manual S 0.9 0
IV.RIBO.EHZ.01 2019-04-18T15:56:33.36 3.0 undecidable manual S 1.9 0
IV.OSSC.HHZ. 2019-04-18T15:56:18.98 3.0 positive manual P -0.33 0
IV.ARVD.HHZ. 2019-04-18T15:56:15.98 3.0 undecidable manual P 0.1 0
IT.RMVT.HGZ. 2019-04-18T15:56:09.64 3.0 negative manual P -4.14 0
IV.ATCC.EHZ. 2019-04-18T15:56:08.08 3.0 positive manual P -0.46 0
IV.GAVE.EHZ. 2019-04-18T15:56:04.70 3.0 negative manual P -2.36 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CIGN.HHN. ML:1.6 0.0003235 0.52 AML other m 2019-04-18T15:57:05.60
IV.CIGN.HHE. ML:1.7 0.00035839330000000003 0.4224 AML other m 2019-04-18T15:57:07.63
IV.MELA.HHE. ML:2.4 0.00148 1.7 AML other m 2019-04-18T15:57:07.04
IV.MELA.HNE. ML:2.4 0.001375 1.7 AML other m 2019-04-18T15:57:07.89
IV.MELA.HHN. ML:2.5 0.00188 1.48 AML other m 2019-04-18T15:57:08.96
IV.MELA.HNN. ML:2.5 0.0017800000000000001 1.48 AML other m 2019-04-18T15:57:08.96
IV.GATE.HNE. ML:2.0 0.000539 0.6 AML other m 2019-04-18T15:57:10.32
IV.GATE.HHE. ML:2.0 0.0005394999999999999 0.7 AML other m 2019-04-18T15:57:11.39
IV.BSSO.HHN. ML:1.3 0.00007085 0.28 AML other m 2019-04-18T15:57:12.01
IV.SACR.HHE. ML:1.5 0.00009635 0.8 AML other m 2019-04-18T15:57:12.67
IV.GATE.HNN. ML:1.9 0.00046499999999999997 0.62 AML other m 2019-04-18T15:57:12.71
IV.GATE.HHN. ML:2.0 0.000519 0.62 AML other m 2019-04-18T15:57:12.71
IV.BSSO.HHE. ML:1.3 0.0000679 1.74 AML other m 2019-04-18T15:57:13.98
IV.SACR.HHN. ML:1.3 0.00007145 0.48 AML other m 2019-04-18T15:57:14.29
IV.APRC.HHE. ML:2.2 0.00035450000000000005 0.24 AML other m 2019-04-18T15:57:18.32
IV.APRC.HHN. ML:2.2 0.0003975 0.6 AML other m 2019-04-18T15:57:20.53
IV.SGRT.HHN. ML:1.9 0.000126 1.4 AML other m 2019-04-18T15:57:23.14
IV.SGRT.HHE. ML:2.1 0.000184 0.64 AML other m 2019-04-18T15:57:23.22
IV.MSAG.HNE. ML:2.0 0.0001395 0.58 AML other m 2019-04-18T15:57:27.50
IV.MSAG.HNN. ML:2.4 0.0003095 0.58 AML other m 2019-04-18T15:57:28.63
IV.MSAG.HHN. ML:2.0 0.000131 0.58 AML other m 2019-04-18T15:57:28.63
IV.SNAL.HHE. ML:1.9 0.0000857 0.5 AML other m 2019-04-18T15:57:30.00
IV.SNAL.HNE. ML:1.8 0.00006729520499999999 0.2816 AML other m 2019-04-18T15:57:30.00
IV.SNAL.HHN. ML:1.8 0.00006405 0.48 AML other m 2019-04-18T15:57:31.21
IV.MSAG.HHE. ML:1.6 0.000048849999999999995 0.92 AML other m 2019-04-18T15:57:31.27
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 not available