Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 18-05-2021 and time 06:11:05 (Italy) in region 2 km NE Celenza Valfortore (FG)

A magnitude ML 1.4 earthquake occured in region: 2 km NE Celenza Valfortore (FG), on

  • 18-05-2021 04:11:05 (UTC)
  • 18-05-2021 06:11:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5770, 14.9900 at 21 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
Celenza Valfortore FG 2 1598 1598
Carlantino FG 2 980 2578
San Marco la Catola FG 6 1012 3590
Macchia Valfortore CB 7 576 4166
Pietracatella CB 10 1375 5541
Gambatesa CB 10 1464 7005
Colletorto CB 10 1938 8943
Casalvecchio di Puglia FG 10 1877 10820
Volturara Appula FG 10 430 11250
Casalnuovo Monterotaro FG 11 1556 12806
Castelnuovo della Daunia FG 11 1445 14251
Sant'Elia a Pianisi CB 11 1818 16069
Tufara CB 11 925 16994
Pietramontecorvino FG 12 2721 19715
San Giuliano di Puglia CB 12 1042 20757
Motta Montecorvino FG 13 730 21487
Bonefro CB 15 1384 22871
Santa Croce di Magliano CB 15 4435 27306
Castelvetere in Val Fortore BN 15 1240 28546
Monacilioni CB 15 523 29069
Volturino FG 16 1743 30812
Riccia CB 16 5262 36074
Jelsi CB 17 1781 37855
Montelongo CB 18 365 38220
San Bartolomeo in Galdo BN 19 4867 43087
Toro CB 19 1391 44478
Rotello CB 19 1212 45690
Campolieto CB 20 839 46529
Alberona FG 20 985 47514
Ripabottoni CB 20 514 48028
Baselice BN 20 2397 50425

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km W of San Severo (53905 inhabitants)
48 Km W of Foggia (151991 inhabitants)
53 Km NE of Benevento (60091 inhabitants)
75 Km N of Avellino (54857 inhabitants)
78 Km W of Manfredonia (57279 inhabitants)
78 Km NE of Caserta (76326 inhabitants)
84 Km W of Cerignola (58396 inhabitants)
87 Km NE of Acerra (59573 inhabitants)
92 Km NE of Afragola (65057 inhabitants)
94 Km NE of Aversa (53047 inhabitants)
95 Km NE of Casoria (77642 inhabitants)
98 Km NE of Giugliano in Campania (122974 inhabitants)
99 Km NE of Portici (55274 inhabitants)
100 Km NE of Scafati (50787 inhabitants)
100 Km N of Cava de' Tirreni (53659 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 1.4 2021-05-18
04:11:05		 41.5767 14.9902 21 2021-12-29
11:12:06		 Bollettino Sismico Italiano INGV 91674031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-18 04:11:05 ± 0.15
Latitude 41.5767 ± 0.0081
Longitude 14.9902 ± 0.0072
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 91674031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 958
Semi-minor axis of confidence ellipse (meter) 257
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 153
Circular confidence region, given by single value of horizontal uncertainty (meter) 960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.08723
Epicentral distance of station farthest from the epicenter (degree) 0.58996
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 91674031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-08-02 12:54:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGRT.HHN. 2021-05-18T04:11:26.41 0.6 undecidable manual S 72 65.49 100 0.43 42
OT.OT06.EHZ. 2021-05-18T04:11:22.36 0.6 undecidable manual S 76 51.5151 104 0.03 47
IV.APRC.HHZ. 2021-05-18T04:11:22.34 0.6 undecidable manual S 66 50.0166 104 0.4 44
OT.OT04.EHE. 2021-05-18T04:11:22.42 0.3 undecidable manual S 72 51.4152 104 0.11 70
OT.OT05.EHE. 2021-05-18T04:11:21.56 0.3 undecidable manual S 80 51.6039 104 -0.79 58
IV.PSB1.HNE. 2021-05-18T04:11:20.35 0.6 undecidable manual S 201 41.9247 108 0.48 44
IV.PTRJ.HNN. 2021-05-18T04:11:20.42 0.6 undecidable manual S 239 45.0216 106 -0.23 46
IV.BSSO.HHZ. 2021-05-18T04:11:18.08 0.6 undecidable manual S 264 33.0447 114 0.43 23
OT.OT16.EHZ. 2021-05-18T04:11:18.11 1.0 undecidable manual S 27 32.2455 114 0.66 21
IV.SGRT.HHN. 2021-05-18T04:11:18.11 1.0 undecidable manual P 72 65.49 100 0.66 20
OT.OT11.EHE. 2021-05-18T04:11:17.78 0.3 undecidable manual S 103 29.4483 117 1 18
IV.SACR.HHZ. 2021-05-18T04:11:17.47 0.3 undecidable manual S 230 30.8469 115 0.35 70
IV.APRC.HHZ. 2021-05-18T04:11:15.42 0.6 undecidable manual P 66 50.0166 104 0.3 45
OT.OT06.EHZ. 2021-05-18T04:11:15.13 0.3 undecidable manual P 76 51.5151 104 -0.22 69
OT.OT04.EHE. 2021-05-18T04:11:15.01 0.3 undecidable manual P 72 51.4152 104 -0.33 67
OT.OT05.EHE. 2021-05-18T04:11:14.48 0.3 undecidable manual P 80 51.6039 104 -0.88 56
IV.MELA.HHZ. 2021-05-18T04:11:14.53 0.6 undecidable manual S 38 18.2706 132 0.23 48
IV.TRIV.HHN. 2021-05-18T04:11:14.32 0.6 undecidable manual P 300 42.1245 108 0.37 45
IV.PSB1.HNE. 2021-05-18T04:11:13.90 0.1 undecidable manual P 201 41.9247 108 -0.02 97
IT.GLNS.HNZ. 2021-05-18T04:11:13.78 0.3 undecidable manual P 351 37.629 110 0.48 66
IV.PTRJ.HNN. 2021-05-18T04:11:13.95 0.6 undecidable manual P 239 45.0216 106 -0.43 44
IV.GATE.HNN. 2021-05-18T04:11:13.17 0.3 undecidable manual S 223 9.6792 151 0.3 73
IV.CIGN.HHZ. 2021-05-18T04:11:12.20 1.0 undecidable manual S 321 11.1777 148 -0.87 20
IV.SACR.HHZ. 2021-05-18T04:11:12.23 0.1 undecidable manual P 230 30.8469 115 -0.11 97
IV.BSSO.HHZ. 2021-05-18T04:11:12.55 0.3 undecidable manual P 264 33.0447 114 -0.1 72
OT.OT11.EHE. 2021-05-18T04:11:12.51 0.3 undecidable manual P 103 29.4483 117 0.37 69
OT.OT16.EHZ. 2021-05-18T04:11:12.52 0.3 undecidable manual P 27 32.2455 114 -0.01 74
IV.MELA.HHZ. 2021-05-18T04:11:10.64 0.1 undecidable manual P 38 18.2706 132 -0.07 100
IV.GATE.HNN. 2021-05-18T04:11:09.64 0.1 undecidable manual P 223 9.6792 151 -0.25 97
IV.CIGN.HHZ. 2021-05-18T04:11:09.49 0.3 undecidable manual P 321 11.1777 148 -0.51 69
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MELA.HNE. ML:1.3 0.000116937975 0.3488 AML other m 2021-05-18T04:11:14.26
IV.MELA.HHN. ML:1.4 0.0001535861 0.3008 AML other m 2021-05-18T04:11:14.82
IV.MELA.HHE. ML:1.3 0.000121692995 0.1792 AML other m 2021-05-18T04:11:14.75
IV.CIGN.HHN. ML:0.9 0.000060910915 0.3616 AML other m 2021-05-18T04:11:15.44
OT.OT11.EHN. ML:2.1 0.0005304999999999999 1.74 AML other m 2021-05-18T04:11:17.09
OT.OT11.EHE. ML:1.8 0.00026492655 0.2208 AML other m 2021-05-18T04:11:18.09
OT.OT16.EHN. ML:1.8 0.00022926944999999998 0.4 AML other m 2021-05-18T04:11:18.61
OT.OT16.EHE. ML:1.7 0.0001769789 0.1792 AML other m 2021-05-18T04:11:18.63
IV.CIGN.HHE. ML:0.8 0.000038717105 0.4992 AML other m 2021-05-18T04:11:18.87
IV.MELA.HNN. ML:1.4 0.00014666435 0.528 AML other m 2021-05-18T04:11:19.75
IV.SACR.HNN. ML:1.1 0.000044882715000000004 0.8 AML other m 2021-05-18T04:11:20.44
IV.APRC.HHN. ML:1.4 0.000054148655 0.1408 AML other m 2021-05-18T04:11:23.35
IV.APRC.HHE. ML:1.2 0.00003949067050000001 0.1408 AML other m 2021-05-18T04:11:25.03
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