Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 20-04-2019 and time 12:21:47 (UTC) in region 2 km W Santa Croce di Magliano (CB)

A magnitude ML 1.2 earthquake occured in region: 2 km W Santa Croce di Magliano (CB), on

  • 20-04-2019 12:21:47 (UTC)
  • 20-04-2019 14:21:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7120, 14.9740 at 11 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
Santa Croce di Magliano CB 2 4435 4435
San Giuliano di Puglia CB 3 1042 5477
Bonefro CB 3 1384 6861
Montelongo CB 3 365 7226
Rotello CB 5 1212 8438
Colletorto CB 5 1938 10376
Montorio nei Frentani CB 6 437 10813
Casacalenda CB 11 2135 12948
Larino CB 11 6793 19741
Ururi CB 12 2693 22434
Provvidenti CB 13 119 22553
Sant'Elia a Pianisi CB 13 1818 24371
Carlantino FG 13 980 25351
Ripabottoni CB 14 514 25865
Macchia Valfortore CB 14 576 26441
Casalnuovo Monterotaro FG 15 1556 27997
Morrone del Sannio CB 16 587 28584
Celenza Valfortore FG 17 1598 30182
Pietracatella CB 17 1375 31557
Casalvecchio di Puglia FG 17 1877 33434
Monacilioni CB 18 523 33957
San Martino in Pensilis CB 18 4793 38750
Guardialfiera CB 18 1065 39815
Castelnuovo della Daunia FG 19 1445 41260
Campolieto CB 19 839 42099
Serracapriola FG 19 3931 46030

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km W of San Severo (53905 inhabitants)
55 Km NW of Foggia (151991 inhabitants)
67 Km N of Benevento (60091 inhabitants)
79 Km W of Manfredonia (57279 inhabitants)
89 Km NE of Caserta (76326 inhabitants)
90 Km N of Avellino (54857 inhabitants)
92 Km NW of Cerignola (58396 inhabitants)
97 Km SE of Chieti (51815 inhabitants)
99 Km NE of Acerra (59573 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 1.2 2019-04-20
12:21:47		 41.7117 14.9738 11 2019-08-22
08:24:57		 Bollettino Sismico Italiano INGV 67914221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-20 12:21:47 ± 0.05
Latitude 41.7117 ± 0.0036
Longitude 14.9738 ± 0.0036
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67914221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 368
Semi-minor axis of confidence ellipse (meter) 329
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 349
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.69787
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 67914221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-24 05:55:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.EHZ. 2019-04-20T12:22:17.73 3.0 negative manual Pn 0.54 0
IV.LRP.EHZ. 2019-04-20T12:22:17.69 3.0 undecidable manual Sn -4.35 0
IV.VIVA.HHZ. 2019-04-20T12:22:14.14 3.0 undecidable manual Pg -0.71 0
IV.MSAG.HNE. 2019-04-20T12:22:10.73 1.0 undecidable manual S 90 77.4669 50 0.38 20
IV.SGRT.HHN. 2019-04-20T12:22:06.64 0.6 undecidable manual S 85 63.8916 50 -0.08 45
IV.SPS2.HHZ. 2019-04-20T12:22:06.50 3.0 positive manual Pn -9.99 0
IV.APRC.HHZ. 2019-04-20T12:22:02.52 1.0 undecidable manual S 84 47.4192 50 0.2 22
IV.MSAG.HNE. 2019-04-20T12:22:00.97 0.6 undecidable manual P 90 77.4669 50 0.42 41
IV.SACR.HNN. 2019-04-20T12:22:00.55 0.3 undecidable manual S 213 41.3253 50 -0.15 69
IV.TRIV.HHZ. 2019-04-20T12:21:59.18 1.0 undecidable manual S 280 35.6421 50 0.01 24
IV.BSSO.HHE. 2019-04-20T12:21:59.55 0.6 undecidable manual S 240 36.4413 50 0.15 46
IV.SGRT.HHN. 2019-04-20T12:21:58.62 1.0 undecidable manual P 85 63.8916 50 0.17 22
IT.GLNS.HNZ. 2019-04-20T12:21:56.00 1.0 undecidable manual S 348 22.6551 50 0.28 23
IV.APRC.HHZ. 2019-04-20T12:21:55.93 0.1 undecidable manual P 84 47.4192 50 0.02 93
IV.GATE.HHZ. 2019-04-20T12:21:55.97 0.3 undecidable manual S 194 22.6551 50 0.26 70
IV.BSSO.HHE. 2019-04-20T12:21:54.01 0.3 undecidable manual P 240 36.4413 50 -0.21 69
IV.SACR.HNN. 2019-04-20T12:21:54.62 1.0 undecidable manual P 213 41.3253 50 -0.36 22
IV.MOCO.HNE. 2019-04-20T12:21:54.48 0.3 undecidable manual P 158 40.8258 50 -0.42 65
IV.FRES.HHE. 2019-04-20T12:21:54.90 1.0 undecidable manual P 319 38.4282 50 0.37 22
IT.GDFR.HNE. 2019-04-20T12:21:54.50 0.6 undecidable manual S 305 17.871 121 0.1 48
IV.TRIV.HHZ. 2019-04-20T12:21:53.98 0.1 undecidable manual P 280 35.6421 50 -0.11 94
IV.MELA.HHZ. 2019-04-20T12:21:53.09 0.3 undecidable manual S 93 12.6762 131 0.14 73
IT.LRNO.HNZ. 2019-04-20T12:21:52.90 0.3 undecidable manual S 337 11.4774 133 0.27 71
IV.GATE.HHZ. 2019-04-20T12:21:52.28 0.1 undecidable manual P 194 22.6551 50 0.19 94
IT.GLNS.HNZ. 2019-04-20T12:21:52.01 0.1 undecidable manual P 348 22.6551 50 -0.09 96
IV.CIGN.HHZ. 2019-04-20T12:21:52.18 0.3 undecidable manual S 222 8.5803 142 0.23 72
IT.GDFR.HNE. 2019-04-20T12:21:50.91 1.0 undecidable manual P 305 17.871 121 -0.43 23
IT.LRNO.HNZ. 2019-04-20T12:21:50.09 0.1 undecidable manual P 337 11.4774 133 -0.23 95
IV.MELA.HHZ. 2019-04-20T12:21:50.14 0.1 negative manual P 93 12.6762 131 -0.36 92
IV.CIGN.HHZ. 2019-04-20T12:21:49.94 0.1 negative manual P 222 8.5803 142 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CIGN.HHE. ML:0.7 0.000059300000000000005 0.96 AML other m 2019-04-20T12:21:59.99
IV.MELA.HHN. ML:1.6 0.00046149999999999994 0.14 AML other m 2019-04-20T12:21:53.22
IV.CIGN.HHN. ML:0.6 0.00005295 0.48 AML other m 2019-04-20T12:21:54.28
IV.GATE.HHN. ML:0.9 0.000055400000000000005 1.24 AML other m 2019-04-20T12:21:58.04
IV.GATE.HHE. ML:0.9 0.00004915 1.62 AML other m 2019-04-20T12:21:59.95
IV.APRC.HHE. ML:1.2 0.00004155 0.32 AML other m 2019-04-20T12:22:02.18
IV.APRC.HHN. ML:1.3 0.00004955 1.24 AML other m 2019-04-20T12:22:03.82
IV.MELA.HNN. ML:1.6 0.0004286733 0.128 AML other m 2019-04-20T12:21:53.22
IV.MELA.HNE. ML:1.7 0.0004765539 0.1856 AML other m 2019-04-20T12:21:53.16
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