Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 22-02-2021 and time 19:43:27 (UTC) in region 1 km N Pietracatella (CB)

A magnitude ML 1.4 earthquake occured in region: 1 km N Pietracatella (CB), on

  • 22-02-2021 19:43:27 (UTC)
  • 22-02-2021 20:43:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.5910, 14.8770 at 23 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
Pietracatella CB 1 1375 1375
Macchia Valfortore CB 3 576 1951
Sant'Elia a Pianisi CB 4 1818 3769
Monacilioni CB 6 523 4292
Carlantino FG 8 980 5272
Celenza Valfortore FG 9 1598 6870
Toro CB 9 1391 8261
Gambatesa CB 10 1464 9725
Campolieto CB 10 839 10564
Jelsi CB 10 1781 12345
San Giovanni in Galdo CB 11 580 12925
Campodipietra CB 11 2570 15495
Colletorto CB 11 1938 17433
Riccia CB 12 5262 22695
Ripabottoni CB 12 514 23209
San Giuliano di Puglia CB 13 1042 24251
San Marco la Catola FG 13 1012 25263
Bonefro CB 13 1384 26647
Tufara CB 13 925 27572
Matrice CB 14 1115 28687
Gildone CB 14 809 29496
Provvidenti CB 15 119 29615
Morrone del Sannio CB 16 587 30202
Santa Croce di Magliano CB 17 4435 34637
Casacalenda CB 17 2135 36772
Montelongo CB 17 365 37137
Castellino del Biferno CB 17 545 37682
Castelvetere in Val Fortore BN 17 1240 38922
Montagano CB 18 1086 40008
Ripalimosani CB 18 3114 43122
Volturara Appula FG 18 430 43552
Ferrazzano CB 18 3344 46896
Campobasso CB 18 49431 96327
Petrella Tifernina CB 19 1170 97497
Mirabello Sannitico CB 19 2180 99677
Casalnuovo Monterotaro FG 19 1556 101233
Cercemaggiore CB 19 3777 105010
Montorio nei Frentani CB 19 437 105447
Casalvecchio di Puglia FG 20 1877 107324

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of San Severo (53905 inhabitants)
52 Km N of Benevento (60091 inhabitants)
57 Km W of Foggia (151991 inhabitants)
73 Km NE of Caserta (76326 inhabitants)
76 Km N of Avellino (54857 inhabitants)
83 Km NE of Acerra (59573 inhabitants)
87 Km W of Manfredonia (57279 inhabitants)
88 Km NE of Afragola (65057 inhabitants)
89 Km NE of Aversa (53047 inhabitants)
91 Km NE of Casoria (77642 inhabitants)
93 Km NE of Giugliano in Campania (122974 inhabitants)
93 Km W of Cerignola (58396 inhabitants)
96 Km NE of Portici (55274 inhabitants)
96 Km NE of Marano di Napoli (59874 inhabitants)
98 Km NE of Ercolano (53709 inhabitants)
98 Km NE of Scafati (50787 inhabitants)
99 Km NE of Napoli (974074 inhabitants)
99 Km NE of Torre del Greco (86275 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 2021-02-22
19:43:27		 41.5912 14.8768 23 2021-07-12
16:55:15		 Bollettino Sismico Italiano INGV 91152431
Reviewed
Rev100 		ML 1.3 2021-02-22
19:43:28		 41.5995 14.8803 16 2021-02-22
19:49:09		 Sala Sismica INGV-Roma 87385401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-22 19:43:27 ± 0.15
Latitude 41.5912 ± 0.0081
Longitude 14.8768 ± 0.0084
Depth (km) 23 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 91152431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 950
Semi-minor axis of confidence ellipse (meter) 132
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) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.06655
Epicentral distance of station farthest from the epicenter (degree) 0.83727
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 87385401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-22 19:49:09

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 91152431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-12 10:50:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT14.EHZ. 2021-02-22T19:43:43.59 0.3 undecidable manual P 68 91.7415 99 0.73 55
IV.MIDA.HHZ. 2021-02-22T19:43:43.76 0.6 undecidable manual S 276 52.0035 107 -0.22 46
IV.MSAG.HNE. 2021-02-22T19:43:43.83 0.3 undecidable manual P 81 86.6466 99 1.74 32
IV.INTR.HHZ. 2021-02-22T19:43:42.25 0.3 undecidable manual P 300 92.9403 99 -0.79 53
IV.TST01.HHZ. 2021-02-22T19:43:42.65 0.6 undecidable manual S 293 44.2224 111 0.63 42
IV.TREM.HHN. 2021-02-22T19:43:41.28 0.6 undecidable manual P 41 78.8655 101 0.38 42
IV.SGRT.HHN. 2021-02-22T19:43:40.91 0.3 undecidable manual P 76 74.0703 101 0.73 57
IV.PTRJ.HNN. 2021-02-22T19:43:40.48 0.6 undecidable manual S 229 38.3283 114 -0.1 48
IT.GLNS.HNZ. 2021-02-22T19:43:40.16 0.6 undecidable manual S 5 35.742 116 0.21 47
IV.TRIV.HHZ. 2021-02-22T19:43:39.85 0.6 undecidable manual S 306 33.3444 118 0.48 45
IV.SACR.HHZ. 2021-02-22T19:43:38.01 0.3 undecidable manual S 214 25.752 126 0.35 70
OT.OT07.EHE. 2021-02-22T19:43:38.92 0.3 undecidable manual P 87 69.9744 102 -0.64 59
OT.OT05.EHZ. 2021-02-22T19:43:37.57 0.1 undecidable manual P 83 60.5949 104 -0.59 82
IV.VAGA.HHZ. 2021-02-22T19:43:37.67 0.6 undecidable manual P 250 56.7987 105 0.08 47
IV.APRC.HHN. 2021-02-22T19:43:37.55 0.3 undecidable manual P 71 58.1973 105 -0.25 68
IV.MELA.HHZ. 2021-02-22T19:43:37.48 0.3 undecidable manual S 58 24.3534 128 0.13 73
OT.OT04.EHE. 2021-02-22T19:43:37.51 0.3 undecidable manual P 76 60.0954 104 -0.56 62
IT.LRNO.HNZ. 2021-02-22T19:43:37.35 0.6 undecidable manual S 9 24.1536 128 0.04 50
IV.RNI2.HNE. 2021-02-22T19:43:37.95 0.3 undecidable manual P 282 61.2942 104 -0.31 66
IV.BSSO.HHZ. 2021-02-22T19:43:37.70 0.6 undecidable manual S 258 24.0537 128 0.42 46
IV.TST01.HHZ. 2021-02-22T19:43:36.08 0.3 undecidable manual P 293 44.2224 111 0.34 68
IV.VITU.HHZ. 2021-02-22T19:43:36.97 0.6 undecidable manual P 204 49.7169 108 0.43 44
IV.MIDA.HHZ. 2021-02-22T19:43:36.46 0.1 undecidable manual P 276 52.0035 107 -0.41 88
IV.SGG.HHN. 2021-02-22T19:43:35.96 0.3 undecidable manual P 241 47.2194 109 -0.21 69
IV.PTRJ.HNN. 2021-02-22T19:43:34.82 0.1 undecidable manual P 229 38.3283 114 -0.08 96
IT.GLNS.HNZ. 2021-02-22T19:43:34.47 0.3 undecidable manual P 5 35.742 116 -0.07 73
IV.TRIV.HHZ. 2021-02-22T19:43:34.34 0.1 undecidable manual P 306 33.3444 118 0.13 97
IV.BSSO.HHZ. 2021-02-22T19:43:33.10 0.1 undecidable manual P 258 24.0537 128 0.1 99
IV.CIGN.HHZ. 2021-02-22T19:43:33.86 0.3 undecidable manual S 18 7.3815 160 -0.76 65
IV.SACR.HHZ. 2021-02-22T19:43:33.50 0.1 undecidable manual P 214 25.752 126 0.28 95
IV.MELA.HHZ. 2021-02-22T19:43:33.07 0.1 undecidable manual P 58 24.3534 128 0.03 100
IT.LRNO.HNZ. 2021-02-22T19:43:32.92 0.3 undecidable manual P 9 24.1536 128 -0.1 74
IV.CIGN.HHZ. 2021-02-22T19:43:31.14 0.1 undecidable manual P 18 7.3815 160 -0.32 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CIGN.HHE. ML:1.5 0.0002095 1.64 AML other m 2021-02-22T19:43:35.02
IV.MELA.HHN. ML:1.7 0.00024349999999999998 0.18 AML other m 2021-02-22T19:43:37.67
IV.BSSO.HHN. ML:1.2 0.0000824 1.58 AML other m 2021-02-22T19:43:38.84
IV.SACR.HNE. ML:1.6 0.0001585 0.4 AML other m 2021-02-22T19:43:38.38
IV.SACR.HHE. ML:1.5 0.000142 0.4 AML other m 2021-02-22T19:43:38.38
IV.SACR.HHN. ML:1.4 0.00010389999999999999 0.36 AML other m 2021-02-22T19:43:38.42
IV.SACR.HNN. ML:1.4 0.00010910000000000001 0.62 AML other m 2021-02-22T19:43:38.44
IV.MELA.HHE. ML:1.7 0.000217 0.82 AML other m 2021-02-22T19:43:38.43
IV.CIGN.HHN. ML:1.4 0.0001805 0.38 AML other m 2021-02-22T19:43:39.73
IV.BSSO.HHE. ML:1.1 0.000058899999999999995 0.4 AML other m 2021-02-22T19:43:40.77
IV.MIDA.HHE. ML:1.4 0.00006185 1.44 AML other m 2021-02-22T19:43:44.23
IV.MIDA.HHN. ML:1.5 0.00006455 0.42 AML other m 2021-02-22T19:43:44.45
OT.OT05.EHE. ML:1.2 0.00002985 0.26 AML other m 2021-02-22T19:43:47.76
OT.OT05.EHN. ML:1.1 0.0000243 0.48 AML other m 2021-02-22T19:43:49.44
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