Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 05-08-2023 and time 19:37:08 (UTC) in region 4 km N Sant'Elia a Pianisi (CB)

A magnitude ML 1.7 earthquake occured in region: 4 km N Sant'Elia a Pianisi (CB), on

  • 05-08-2023 19:37:08 (UTC)
  • 05-08-2023 21:37:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6610, 14.8620 at 23 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Sant'Elia a Pianisi CB 4 1818 1818
Ripabottoni CB 6 514 2332
Monacilioni CB 7 523 2855
Provvidenti CB 7 119 2974
Bonefro CB 8 1384 4358
Campolieto CB 8 839 5197
Macchia Valfortore CB 9 576 5773
Pietracatella CB 9 1375 7148
Casacalenda CB 9 2135 9283
Morrone del Sannio CB 9 587 9870
San Giuliano di Puglia CB 9 1042 10912
Colletorto CB 9 1938 12850
Montelongo CB 11 365 13215
Castellino del Biferno CB 12 545 13760
Carlantino FG 12 980 14740
Santa Croce di Magliano CB 12 4435 19175
San Giovanni in Galdo CB 12 580 19755
Toro CB 12 1391 21146
Montorio nei Frentani CB 13 437 21583
Matrice CB 14 1115 22698
Petrella Tifernina CB 14 1170 23868
Celenza Valfortore FG 15 1598 25466
Campodipietra CB 15 2570 28036
Lupara CB 16 505 28541
Rotello CB 16 1212 29753
Montagano CB 16 1086 30839
Larino CB 16 6793 37632
Castelbottaccio CB 16 312 37944
Lucito CB 16 696 38640
Jelsi CB 17 1781 40421
Guardialfiera CB 17 1065 41486
Gambatesa CB 17 1464 42950
Ripalimosani CB 17 3114 46064
San Marco la Catola FG 19 1012 47076
Riccia CB 19 5262 52338
Civitacampomarano CB 20 417 52755
Gildone CB 20 809 53564

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of San Severo (53905 inhabitants)
59 Km N of Benevento (60091 inhabitants)
61 Km W of Foggia (151991 inhabitants)
79 Km NE of Caserta (76326 inhabitants)
83 Km N of Avellino (54857 inhabitants)
88 Km W of Manfredonia (57279 inhabitants)
89 Km NE of Acerra (59573 inhabitants)
94 Km NE of Aversa (53047 inhabitants)
94 Km NE of Afragola (65057 inhabitants)
96 Km SE of Chieti (51815 inhabitants)
97 Km NE of Casoria (77642 inhabitants)
97 Km W of Cerignola (58396 inhabitants)
98 Km NE of Giugliano in Campania (122974 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
Reviewed
Rev100 		ML 1.7 2023-08-05
19:37:08		 41.6608 14.8617 23 2023-08-05
19:43:27		 Sala Sismica INGV-Roma 119891171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-05 19:37:08 ± 0.21
Latitude 41.6608 ± 0.0099
Longitude 14.8617 ± 0.0132
Depth (km) 23 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119891171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1100
Semi-minor axis of confidence ellipse (meter) 745
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 17
Circular confidence region, given by single value of horizontal uncertainty (meter) 1100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.03327
Epicentral distance of station farthest from the epicenter (degree) 0.79410
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 119891171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-05 19:43:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHZ. 2023-08-05T19:37:34.94 0.6 undecidable manual S 297 88.1451 99 0.15 45
IV.PTRJ.HHZ. 2023-08-05T19:37:23.20 0.6 undecidable manual S 220 42.9237 110 0.15 49
IV.INTR.HHZ. 2023-08-05T19:37:23.20 0.1 undecidable manual P 297 88.1451 99 -0.5 83
IV.LPEL.HHZ. 2023-08-05T19:37:21.08 0.1 undecidable manual P 308 70.5738 101 0.05 95
IV.SACR.HHZ. 2023-08-05T19:37:20.70 0.6 undecidable manual S 204 31.9458 118 0.34 48
IV.BSSO.HHZ. 2023-08-05T19:37:19.09 0.6 undecidable manual S 240 25.5522 125 0.18 50
IV.MELA.HHZ. 2023-08-05T19:37:18.57 0.6 undecidable manual S 77 22.5552 129 0.31 49
IV.GATE.HHZ. 2023-08-05T19:37:16.51 0.3 undecidable manual S 166 16.872 138 -0.65 67
IV.PTRJ.HHZ. 2023-08-05T19:37:16.99 0.1 undecidable manual P 220 42.9237 110 0.06 100
IV.CIGN.HHZ. 2023-08-05T19:37:15.97 0.6 undecidable manual S 102 3.6963 170 0.39 49
IV.SACR.HHZ. 2023-08-05T19:37:15.16 0.1 undecidable manual P 204 31.9458 118 -0.22 98
IV.BSSO.HHZ. 2023-08-05T19:37:14.86 0.3 positive manual P 240 25.5522 125 0.32 73
IV.MELA.HHZ. 2023-08-05T19:37:14.28 0.6 negative manual P 77 22.5552 129 0.12 51
IV.GATE.HHZ. 2023-08-05T19:37:14.34 0.6 negative manual P 166 16.872 138 0.82 42
IV.CIGN.HHZ. 2023-08-05T19:37:12.14 0.1 undecidable manual P 102 3.6963 170 -0.47 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CIGN.HHN. ML:2.6 0.002835 0.64 AML other m 2023-08-05T19:37:16.29
IV.CIGN.HHE. ML:2.5 0.002225 0.44 AML other m 2023-08-05T19:37:16.41
IV.MELA.HHN. ML:1.8 0.00027249999999999996 1.26 AML other m 2023-08-05T19:37:19.34
IV.BSSO.HHE. ML:1.9 0.000347 1.1 AML other m 2023-08-05T19:37:20.15
IV.BSSO.HHN. ML:1.6 0.0001895 0.94 AML other m 2023-08-05T19:37:20.94
IV.GATE.HNE. ML:1.7 0.0002665 0.6 AML other m 2023-08-05T19:37:20.48
IV.GATE.HHE. ML:1.7 0.0002855 0.6 AML other m 2023-08-05T19:37:20.48
IV.GATE.HHN. ML:1.6 0.00022749999999999997 1.42 AML other m 2023-08-05T19:37:21.22
IV.GATE.HNN. ML:1.6 0.0002525 1.42 AML other m 2023-08-05T19:37:21.22
IV.MELA.HHE. ML:1.8 0.00030649999999999997 0.42 AML other m 2023-08-05T19:37:22.17
IV.PTRJ.HHN. ML:1.2 0.0000444 1.18 AML other m 2023-08-05T19:37:24.88
IV.PTRJ.HHE. ML:1.3 0.0000563 1.36 AML other m 2023-08-05T19:37:25.22
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