Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 17-07-2020 and time 02:29:32 (UTC) in region Pietracatella (CB)

A magnitude ML 1.0 earthquake occured in region: Pietracatella (CB), on

  • 17-07-2020 02:29:32 (UTC)
  • 17-07-2020 04:29:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5800, 14.8780 at 25 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 0 1375 1375
Macchia Valfortore CB 3 576 1951
Sant'Elia a Pianisi CB 5 1818 3769
Monacilioni CB 7 523 4292
Gambatesa CB 8 1464 5756
Carlantino FG 8 980 6736
Celenza Valfortore FG 9 1598 8334
Toro CB 9 1391 9725
Jelsi CB 10 1781 11506
Riccia CB 11 5262 16768
San Giovanni in Galdo CB 11 580 17348
Campolieto CB 11 839 18187
Campodipietra CB 11 2570 20757
Tufara CB 12 925 21682
San Marco la Catola FG 12 1012 22694
Colletorto CB 12 1938 24632
Ripabottoni CB 14 514 25146
Gildone CB 14 809 25955
San Giuliano di Puglia CB 14 1042 26997
Matrice CB 14 1115 28112
Bonefro CB 15 1384 29496
Castelvetere in Val Fortore BN 16 1240 30736
Provvidenti CB 16 119 30855
Morrone del Sannio CB 17 587 31442
Volturara Appula FG 17 430 31872
Santa Croce di Magliano CB 18 4435 36307
Ferrazzano CB 18 3344 39651
Casacalenda CB 18 2135 41786
Ripalimosani CB 18 3114 44900
Castellino del Biferno CB 18 545 45445
Campobasso CB 18 49431 94876
Montelongo CB 18 365 95241
Montagano CB 19 1086 96327
Cercemaggiore CB 19 3777 100104
Mirabello Sannitico CB 19 2180 102284
Casalnuovo Monterotaro FG 19 1556 103840
Petrella Tifernina CB 20 1170 105010
Casalvecchio di Puglia FG 20 1877 106887

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of San Severo (53905 inhabitants)
51 Km N of Benevento (60091 inhabitants)
57 Km W of Foggia (151991 inhabitants)
72 Km NE of Caserta (76326 inhabitants)
74 Km N of Avellino (54857 inhabitants)
82 Km NE of Acerra (59573 inhabitants)
87 Km W of Manfredonia (57279 inhabitants)
87 Km NE of Afragola (65057 inhabitants)
88 Km NE of Aversa (53047 inhabitants)
90 Km NE of Casoria (77642 inhabitants)
92 Km NE of Giugliano in Campania (122974 inhabitants)
92 Km W of Cerignola (58396 inhabitants)
95 Km NE of Portici (55274 inhabitants)
95 Km NE of Marano di Napoli (59874 inhabitants)
96 Km NE of Ercolano (53709 inhabitants)
97 Km NE of Scafati (50787 inhabitants)
98 Km NE of Napoli (974074 inhabitants)
98 Km NE of Torre del Greco (86275 inhabitants)
99 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 1.0 2020-07-17
02:29:32		 41.58 14.8778 25 2020-11-19
12:37:02		 Bollettino Sismico Italiano INGV 83099351
Reviewed
Rev100 		ML 0.8 2020-07-17
02:29:34		 41.5953 14.8643 7 2020-07-17
02:42:08		 Sala Sismica INGV-Roma 81087251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-17 02:29:32 ± 0.43
Latitude 41.5800 ± 0.0171
Longitude 14.8778 ± 0.0192
Depth (km) 25 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83099351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1749
Semi-minor axis of confidence ellipse (meter) 1157
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 323
Circular confidence region, given by single value of horizontal uncertainty (meter) 1750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.07105
Epicentral distance of station farthest from the epicenter (degree) 0.66999
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 83099351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-21 11:48:18

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 81087251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-17 02:42:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TRIV.HHE. 2020-07-17T02:29:46.16 0.6 undecidable manual S 307 34.1436 119 0.87 39
IV.SGRT.HHZ. 2020-07-17T02:29:46.79 0.3 undecidable manual P 75 74.37 102 0.97 53
IV.SACR.HHZ. 2020-07-17T02:29:43.26 0.3 undecidable manual S 215 24.753 129 0.04 75
IV.MELA.HHZ. 2020-07-17T02:29:43.13 0.3 undecidable manual S 56 24.9528 129 -0.12 74
IV.BSSO.HHZ. 2020-07-17T02:29:42.70 0.3 undecidable manual S 261 23.8539 130 -0.33 71
IV.CIGN.HHZ. 2020-07-17T02:29:41.34 0.6 undecidable manual S 15 8.5803 159 0.74 42
IV.GATE.HHZ. 2020-07-17T02:29:41.03 0.3 undecidable manual S 160 7.881 160 0.49 70
IV.TRIV.HHE. 2020-07-17T02:29:40.09 0.3 undecidable manual P 307 34.1436 119 0.11 74
IV.MELA.HHZ. 2020-07-17T02:29:38.59 0.1 undecidable manual P 56 24.9528 129 -0.21 97
IV.SACR.HHZ. 2020-07-17T02:29:38.79 0.3 undecidable manual P 215 24.753 129 0.01 76
IV.BSSO.HHZ. 2020-07-17T02:29:38.56 0.3 undecidable manual P 261 23.8539 130 -0.11 74
IV.GATE.HHZ. 2020-07-17T02:29:37.02 0.1 undecidable manual P 160 7.881 160 -0.22 100
IV.CIGN.HHZ. 2020-07-17T02:29:36.30 0.1 undecidable manual P 15 8.5803 159 -0.97 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CIGN.HHN. ML:1.3 0.00011669235 0.2416 AML other m 2020-07-17T02:29:37.61
IV.CIGN.HHE. ML:1.1 0.00007288718 0.2992 AML other m 2020-07-17T02:29:37.76
IV.MELA.HNE. ML:1.4 0.00010245181 0.1408 AML other m 2020-07-17T02:29:43.31
IV.MELA.HNN. ML:1.5 0.000130465925 0.1008 AML other m 2020-07-17T02:29:43.36
IV.SACR.HHN. ML:0.9 0.000036305249999999996 0.28 AML other m 2020-07-17T02:29:43.59
IV.SACR.HHE. ML:0.9 0.000032524305 0.28 AML other m 2020-07-17T02:29:43.73
IV.SACR.HNN. ML:0.9 0.000033759724999999996 0.28 AML other m 2020-07-17T02:29:43.60
IV.BSSO.HHN. ML:0.7 0.000019035114999999998 0.32 AML other m 2020-07-17T02:29:45.36
IV.BSSO.HHE. ML:0.5 0.000016181225000000002 0.6208 AML other m 2020-07-17T02:29:47.91
IV.SGRT.HHN. ML:0.8 0.000008731082000000001 0.16 AML other m 2020-07-17T02:29:59.88
IV.SGRT.HHE. ML:0.8 0.0000106581335 0.12 AML other m 2020-07-17T02:30:00.65
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