Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 18-07-2021 and time 12:06:10 (Italy) in region 3 km SW San Marco la Catola (FG)

A magnitude ML 2.4 earthquake occured in region: 3 km SW San Marco la Catola (FG), on

  • 18-07-2021 10:06:10 (UTC)
  • 18-07-2021 12:06:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5000, 14.9890 at 22 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
San Marco la Catola FG 3 1012 1012
Tufara CB 4 925 1937
Volturara Appula FG 5 430 2367
Gambatesa CB 6 1464 3831
Celenza Valfortore FG 7 1598 5429
Castelvetere in Val Fortore BN 7 1240 6669
San Bartolomeo in Galdo BN 10 4867 11536
Carlantino FG 10 980 12516
Motta Montecorvino FG 11 730 13246
Baselice BN 11 2397 15643
Volturino FG 12 1743 17386
Macchia Valfortore CB 12 576 17962
Riccia CB 13 5262 23224
Pietramontecorvino FG 13 2721 25945
Pietracatella CB 13 1375 27320
Alberona FG 14 985 28305
Castelnuovo della Daunia FG 14 1445 29750
Casalvecchio di Puglia FG 15 1877 31627
Jelsi CB 16 1781 33408
Foiano di Val Fortore BN 16 1410 34818
Casalnuovo Monterotaro FG 16 1556 36374
Sant'Elia a Pianisi CB 17 1818 38192
Roseto Valfortore FG 17 1074 39266
Colletorto CB 18 1938 41204
Castelpagano BN 19 1483 42687
Monacilioni CB 19 523 43210
Montefalcone di Val Fortore BN 19 1525 44735
Colle Sannita BN 20 2431 47166

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km SW of San Severo (53905 inhabitants)
45 Km NE of Benevento (60091 inhabitants)
46 Km W of Foggia (151991 inhabitants)
67 Km N of Avellino (54857 inhabitants)
72 Km NE of Caserta (76326 inhabitants)
79 Km W of Manfredonia (57279 inhabitants)
80 Km NE of Acerra (59573 inhabitants)
81 Km W of Cerignola (58396 inhabitants)
86 Km NE of Afragola (65057 inhabitants)
88 Km NE of Aversa (53047 inhabitants)
88 Km NE of Casoria (77642 inhabitants)
91 Km NE of Giugliano in Campania (122974 inhabitants)
92 Km N of Cava de' Tirreni (53659 inhabitants)
92 Km NE of Portici (55274 inhabitants)
92 Km NE of Scafati (50787 inhabitants)
93 Km N of Salerno (135261 inhabitants)
94 Km NE of Ercolano (53709 inhabitants)
94 Km NE of Marano di Napoli (59874 inhabitants)
95 Km NE of Torre del Greco (86275 inhabitants)
96 Km NE of Napoli (974074 inhabitants)
99 Km NE of Castellammare di Stabia (66466 inhabitants)
99 Km N of Battipaglia (50786 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 2021-07-18
10:06:10		 41.4998 14.9887 22 2021-12-29
11:12:47		 Bollettino Sismico Italiano INGV 97177061
Reviewed
Rev100 		ML 2.3 2021-07-18
10:06:10		 41.4923 15.0007 20 2021-07-18
10:15:06		 Sala Sismica INGV-Roma 92912501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-18 10:06:10 ± 0.1
Latitude 41.4998 ± 0.0045
Longitude 14.9887 ± 0.0072
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97177061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 560
Semi-minor axis of confidence ellipse (meter) 254
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 123
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 44
Number of associated phases, regardless of their use for origin computation 66
Number of defining phases 51
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.35168
Number of stations at which the event was observed 49
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 70
Type of magnitude ML
Reference to an origin 97177061
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-02 20:58:47

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 70
Type of magnitude ML
Reference to an origin 92912501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-18 10:15:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMGO.HHZ. 2021-07-18T10:07:59.43 3.0 undecidable manual Sn -1.57 0
AC.VLO.HHZ. 2021-07-18T10:07:58.00 3.0 undecidable manual Sg 11.47 0
IV.CADC.EHZ. 2021-07-18T10:07:48.52 3.0 positive manual Pg 19.08 0
IV.ZEN8.EHZ. 2021-07-18T10:07:46.33 3.0 undecidable manual Pg 18.82 0
IV.RIBO.EHZ.01 2021-07-18T10:07:42.14 3.0 undecidable manual Sn 0.98 0
IV.BOZZ.EHZ. 2021-07-18T10:07:34.08 3.0 positive manual Pg 10.46 0
IV.LADO.EHZ. 2021-07-18T10:07:32.51 3.0 undecidable manual Sg 7.6 0
IV.HVIT.HHZ. 2021-07-18T10:07:31.44 3.0 undecidable manual Pg 13.81 0
IV.SELL.HHZ. 2021-07-18T10:07:25.72 3.0 undecidable manual Sn -2.27 0
IV.FREG.HNZ. 2021-07-18T10:07:22.13 3.0 undecidable manual Pn -1.81 0
RF.GEPF.HHZ. 2021-07-18T10:07:22.44 3.0 positive manual Pn -2.13 0
IV.IMOL.HNZ. 2021-07-18T10:07:20.35 3.0 negative manual Pg 12.65 0
IV.SPS2.HHZ. 2021-07-18T10:06:57.57 3.0 negative manual Pg 8.66 0
IV.FDMO.HHZ. 2021-07-18T10:06:47.29 3.0 positive manual Pg 2.04 0
IV.CSP1.EHZ. 2021-07-18T10:06:46.58 3.0 negative manual Pn 1.56 0
OT.OT13.EHZ. 2021-07-18T10:06:42.96 0.6 undecidable manual S 66 107.3148 97 1.37 25
IV.AMUR.HHZ. 2021-07-18T10:06:34.89 0.3 undecidable manual P 115 150.0387 54 0.3 54
OT.OT12.EHZ. 2021-07-18T10:06:33.81 0.6 undecidable manual S 79 77.6667 100 0.05 44
IV.SGRT.HHZ. 2021-07-18T10:06:31.16 0.6 undecidable manual S 65 68.6757 101 -0.24 44
IV.SNAL.HHZ. 2021-07-18T10:06:30.72 0.6 undecidable manual S 164 66.2781 102 -0.06 45
OT.OT13.EHZ. 2021-07-18T10:06:29.42 0.3 undecidable manual P 66 107.3148 97 1.05 45
IV.MRVN.HHZ. 2021-07-18T10:06:29.26 0.3 undecidable manual P 115 111.7992 96 0.2 60
OT.OT03.EHE. 2021-07-18T10:06:29.01 0.6 undecidable manual S 67 59.6958 103 -0.04 46
IV.CAFE.HHZ. 2021-07-18T10:06:28.00 0.6 undecidable manual S 158 56.2992 104 -0.17 44
IV.PALZ.HHN. 2021-07-18T10:06:28.01 0.3 undecidable manual P 127 101.8203 97 0.47 58
IT.GLNS.HNN. 2021-07-18T10:06:26.29 0.3 undecidable manual S 353 46.1205 108 0.73 57
OT.OT05.EHZ. 2021-07-18T10:06:26.38 0.3 undecidable manual S 71 53.9016 105 -1.18 47
IV.APRC.HHZ. 2021-07-18T10:06:26.79 0.6 undecidable manual S 58 54.1014 105 -0.82 37
IV.MRB1.HHZ. 2021-07-18T10:06:25.04 0.6 undecidable manual S 182 41.8248 110 0.55 43
OT.OT14.EHZ. 2021-07-18T10:06:25.74 0.3 undecidable manual P 60 87.8454 98 0.33 61
IV.MCRV.HHZ. 2021-07-18T10:06:24.62 0.3 undecidable manual P 169 80.9523 99 0.27 64
OT.OT12.EHZ. 2021-07-18T10:06:24.60 0.3 undecidable manual P 79 77.6667 100 0.75 54
IV.MSAG.HHZ. 2021-07-18T10:06:24.63 0.3 undecidable manual P 73 79.9644 99 0.43 61
IV.VULT.HHZ. 2021-07-18T10:06:23.81 0.3 undecidable manual P 139 79.9644 99 -0.39 61
IV.SGRT.HHZ. 2021-07-18T10:06:22.47 0.3 undecidable manual P 65 68.6757 101 -0.02 68
IV.PSB1.HHZ. 2021-07-18T10:06:22.64 0.6 undecidable manual S 206 34.0437 115 0.08 48
IV.BSSO.HHZ. 2021-07-18T10:06:22.76 0.6 undecidable manual S 279 33.2445 116 0.4 45
IV.PAOL.HHN. 2021-07-18T10:06:21.12 0.3 undecidable manual P 214 62.6928 103 -0.47 62
OT.OT11.EHZ. 2021-07-18T10:06:21.32 0.6 undecidable manual S 87 28.8489 120 -0.01 49
IV.VAGA.HHZ. 2021-07-18T10:06:21.49 0.6 undecidable manual P 262 63.3921 102 -0.21 44
OT.OT03.EHE. 2021-07-18T10:06:21.23 0.3 undecidable manual P 67 59.6958 103 0.1 68
IV.MIDA.HNZ. 2021-07-18T10:06:21.30 0.3 undecidable manual P 285 62.9925 102 -0.33 65
IV.SNAL.HHZ. 2021-07-18T10:06:21.57 0.1 undecidable manual P 164 66.2781 102 -0.56 79
IV.CAFE.HHZ. 2021-07-18T10:06:20.47 0.3 undecidable manual P 158 56.2992 104 -0.16 67
OT.OT06.EHN. 2021-07-18T10:06:20.66 0.3 undecidable manual P 68 54.3012 105 0.33 65
IV.MELA.HHZ. 2021-07-18T10:06:20.61 0.3 undecidable manual S 27 25.5522 124 0.01 73
OT.OT04.EHZ. 2021-07-18T10:06:20.46 0.3 undecidable manual P 63 54.8007 105 0.05 69
IV.SACR.HHZ. 2021-07-18T10:06:20.88 0.6 undecidable manual S 244 26.1516 123 0.16 48
IV.TRIV.HHZ. 2021-07-18T10:06:19.54 0.3 undecidable manual P 309 46.9197 108 0.31 67
IV.MOCO.HHZ. 2021-07-18T10:06:19.19 0.6 undecidable manual S 136 20.1687 132 -0.26 46
IV.SGG.HHN. 2021-07-18T10:06:19.55 0.3 undecidable manual P 256 52.2033 106 -0.47 64
OT.OT05.EHZ. 2021-07-18T10:06:19.39 0.3 undecidable manual P 71 53.9016 105 -0.88 54
IV.APRC.HHZ. 2021-07-18T10:06:19.55 0.3 undecidable manual P 58 54.1014 105 -0.75 58
IV.VITU.HHZ. 2021-07-18T10:06:18.68 0.1 undecidable manual P 220 46.1205 108 -0.44 86
IV.GATE.HHZ. 2021-07-18T10:06:18.36 0.6 undecidable manual S 283 6.6933 161 0.93 39
IT.GLNS.HNN. 2021-07-18T10:06:18.98 0.3 undecidable manual P 353 46.1205 108 -0.14 70
IV.BIOG.HHZ. 2021-07-18T10:06:18.70 0.3 undecidable manual P 160 35.3424 114 1.13 51
IV.MRB1.HHZ. 2021-07-18T10:06:18.50 0.3 undecidable manual P 182 41.8248 110 0 71
IV.BSSO.HHZ. 2021-07-18T10:06:17.36 0.1 positive manual P 279 33.2445 116 0.09 96
OT.OT16.EHZ. 2021-07-18T10:06:17.75 0.1 positive manual P 22 40.0266 111 -0.49 87
IV.PSB1.HHZ. 2021-07-18T10:06:17.29 0.1 positive manual P 206 34.0437 115 -0.1 94
IV.MELA.HHZ. 2021-07-18T10:06:16.03 0.1 positive manual P 27 25.5522 124 -0.22 94
IV.SACR.HHZ. 2021-07-18T10:06:16.28 0.1 positive manual P 244 26.1516 123 -0.04 97
OT.OT11.EHZ. 2021-07-18T10:06:16.50 0.3 undecidable manual P 87 28.8489 120 -0.18 71
IV.MOCO.HHZ. 2021-07-18T10:06:15.73 0.1 negative manual P 136 20.1687 132 0.14 97
IV.GATE.HHZ. 2021-07-18T10:06:14.54 0.1 positive manual P 283 6.6933 161 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GATE.HNE. ML:2.7 0.0038200000000000005 0.48 AML other m 2021-07-18T10:06:20.22
IV.GATE.HHE. ML:2.7 0.00383 0.48 AML other m 2021-07-18T10:06:20.22
IV.GATE.HNN. ML:2.5 0.0022800000000000003 0.4 AML other m 2021-07-18T10:06:20.66
IV.GATE.HHN. ML:2.5 0.00235 0.4 AML other m 2021-07-18T10:06:20.66
IV.MELA.HHN. ML:2.6 0.0020350000000000004 1.48 AML other m 2021-07-18T10:06:21.78
IV.MELA.HNN. ML:2.6 0.0019950000000000002 1.46 AML other m 2021-07-18T10:06:21.05
IV.SACR.HHE. ML:2.3 0.000982 0.44 AML other m 2021-07-18T10:06:21.31
OT.OT11.EHN. ML:2.8 0.0023 0.46 AML other m 2021-07-18T10:06:21.67
IV.SACR.HHN. ML:2.4 0.001036 0.84 AML other m 2021-07-18T10:06:21.30
OT.OT11.EHE. ML:2.6 0.0018250000000000002 0.88 AML other m 2021-07-18T10:06:21.45
IV.MELA.HHE. ML:2.3 0.0009395 0.54 AML other m 2021-07-18T10:06:22.39
IV.MELA.HNE. ML:2.3 0.0008954999999999999 0.52 AML other m 2021-07-18T10:06:22.39
IV.BSSO.HHN. ML:2.1 0.000483 0.8 AML other m 2021-07-18T10:06:23.48
IV.BSSO.HNN. ML:2.1 0.00047950000000000005 0.78 AML other m 2021-07-18T10:06:23.48
IV.MOCO.HHE. ML:2.2 0.000752 1.06 AML other m 2021-07-18T10:06:23.10
IV.MOCO.HHN. ML:2.0 0.00045699999999999994 0.54 AML other m 2021-07-18T10:06:23.50
IV.MOCO.HNN. ML:1.9 0.000431 0.54 AML other m 2021-07-18T10:06:23.50
IV.MOCO.HNE. ML:2.1 0.000727 1.62 AML other m 2021-07-18T10:06:23.10
IV.PSB1.HHN. ML:1.9 0.0002935 0.46 AML other m 2021-07-18T10:06:24.27
IV.PSB1.HNN. ML:1.9 0.00029700000000000006 0.46 AML other m 2021-07-18T10:06:24.28
OT.OT16.EHN. ML:2.5 0.0010400000000000001 0.42 AML other m 2021-07-18T10:06:26.26
IV.BSSO.HNE. ML:2.1 0.000438 0.34 AML other m 2021-07-18T10:06:26.25
IV.BSSO.HHE. ML:2.1 0.000459 0.34 AML other m 2021-07-18T10:06:26.25
OT.OT16.EHE. ML:2.5 0.001006 0.42 AML other m 2021-07-18T10:06:28.23
IV.CAFE.HHN. ML:2.3 0.000418 0.24 AML other m 2021-07-18T10:06:28.99
IV.CAFE.HNN. ML:2.3 0.000397 1.76 AML other m 2021-07-18T10:06:28.00
OT.OT05.EHE. ML:2.3 0.000423 1 AML other m 2021-07-18T10:06:29.00
IV.APRC.HHE. ML:2.5 0.000786 0.92 AML other m 2021-07-18T10:06:29.65
IV.CAFE.HHE. ML:2.5 0.0007224999999999999 0.2 AML other m 2021-07-18T10:06:29.51
IV.CAFE.HNE. ML:2.5 0.0006765000000000001 0.88 AML other m 2021-07-18T10:06:29.52
IV.PSB1.HNE. ML:2.0 0.0003165 1.06 AML other m 2021-07-18T10:06:29.04
OT.OT05.EHN. ML:2.2 0.0003505 0.3 AML other m 2021-07-18T10:06:30.42
IV.APRC.HHN. ML:2.5 0.000758 0.34 AML other m 2021-07-18T10:06:30.81
IV.SNAL.HNE. ML:2.3 0.000325 1.86 AML other m 2021-07-18T10:06:30.06
IV.SNAL.HHE. ML:2.3 0.0003605 1.86 AML other m 2021-07-18T10:06:30.06
IV.VITU.HHE. ML:2.2 0.00040449999999999997 0.26 AML other m 2021-07-18T10:06:32.94
IV.PSB1.HHE. ML:2.0 0.000327 0.78 AML other m 2021-07-18T10:06:33.21
IV.SNAL.HHN. ML:2.2 0.0002715 1.04 AML other m 2021-07-18T10:06:33.86
IV.SNAL.HNN. ML:2.2 0.0002945 1.06 AML other m 2021-07-18T10:06:33.87
IV.MRB1.HNN. ML:2.3 0.000561 1.4 AML other m 2021-07-18T10:06:34.00
IV.MRB1.HHN. ML:2.4 0.000658 1.38 AML other m 2021-07-18T10:06:34.00
IV.MRB1.HNE. ML:2.4 0.000787 0.36 AML other m 2021-07-18T10:06:34.00
IV.MRB1.HHE. ML:2.4 0.0007695000000000001 0.34 AML other m 2021-07-18T10:06:34.01
IV.SGRT.HHE. ML:2.6 0.0006355 0.68 AML other m 2021-07-18T10:06:34.55
IV.SGRT.HHN. ML:2.3 0.00033800000000000003 1.32 AML other m 2021-07-18T10:06:34.92
IV.VITU.HHN. ML:2.3 0.0005335 1.58 AML other m 2021-07-18T10:06:35.00
IV.VAGA.HHE. ML:2.2 0.0002495 0.92 AML other m 2021-07-18T10:06:35.10
IV.VAGA.HNE. ML:2.3 0.00034599999999999995 0.48 AML other m 2021-07-18T10:06:35.25
IV.VAGA.HNN. ML:2.5 0.0006035 0.6 AML other m 2021-07-18T10:06:36.50
IV.VAGA.HHN. ML:2.5 0.0006225 0.58 AML other m 2021-07-18T10:06:36.49
OT.OT12.EHE. ML:2.2 0.000216 0.24 AML other m 2021-07-18T10:06:36.31
OT.OT12.EHN. ML:2.6 0.000527 0.5 AML other m 2021-07-18T10:06:36.37
IV.MSAG.HNN. ML:3.1 0.001585 0.24 AML other m 2021-07-18T10:06:37.49
IV.MSAG.HHN. ML:2.7 0.0006875 0.24 AML other m 2021-07-18T10:06:37.49
IV.MSAG.HNE. ML:2.8 0.000886 0.28 AML other m 2021-07-18T10:06:37.40
IV.MSAG.HHE. ML:2.4 0.000354 0.3 AML other m 2021-07-18T10:06:37.40
IV.VULT.HNE. ML:2.7 0.000632 0.96 AML other m 2021-07-18T10:06:38.35
IV.VULT.HHE. ML:2.7 0.0006490000000000001 0.96 AML other m 2021-07-18T10:06:38.35
IV.MCRV.HHN. ML:2.3 0.000266 1.06 AML other m 2021-07-18T10:06:39.83
IV.VULT.HNN. ML:2.6 0.0005809999999999999 0.46 AML other m 2021-07-18T10:06:39.28
IV.VULT.HHN. ML:2.7 0.000602 0.46 AML other m 2021-07-18T10:06:39.28
IV.MCRV.HHE. ML:2.0 0.0001295 1.56 AML other m 2021-07-18T10:06:40.78
IV.TRIV.HHE. ML:1.7 0.000129 1 AML other m 2021-07-18T10:06:40.07
IV.TRIV.HHN. ML:1.7 0.0001228 1.38 AML other m 2021-07-18T10:06:40.82
OT.OT13.EHN. ML:3.3 0.0017000000000000001 1.08 AML other m 2021-07-18T10:06:44.04
OT.OT13.EHE. ML:3.1 0.00109 0.66 AML other m 2021-07-18T10:06:44.50
IV.MRVN.HHE. ML:2.1 0.00010005 0.68 AML other m 2021-07-18T10:06:45.54
IV.MRVN.HHN. ML:2.1 0.00010339999999999999 0.58 AML other m 2021-07-18T10:06:45.67
IV.SGO.HHE. ML:2.1 0.00010400000000000001 0.3 AML other m 2021-07-18T10:06:46.84
IV.SGO.HHN. ML:2.1 0.00009970000000000001 0.64 AML other m 2021-07-18T10:06:47.16
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
Waveforms Seismic signals in miniseed + resp format Download