Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 17-08-2021 and time 09:03:52 (Italy) in region 11 km N Carapelle (FG)

A magnitude ML 1.7 earthquake occured in region: 11 km N Carapelle (FG), on

  • 17-08-2021 07:03:52 (UTC)
  • 17-08-2021 09:03:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.4590, 15.7180 at 10 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
Carapelle FG 11 6570 6570
Foggia FG 15 151991 158561
Orta Nova FG 15 17802 176363
Ordona FG 18 2822 179185
Stornara FG 19 5742 184927
Zapponeta FG 20 3396 188323

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km E of Foggia (151991 inhabitants)
25 Km SW of Manfredonia (57279 inhabitants)
27 Km NW of Cerignola (58396 inhabitants)
38 Km SE of San Severo (53905 inhabitants)
49 Km W of Barletta (94814 inhabitants)
55 Km W of Andria (100440 inhabitants)
62 Km W of Trani (56217 inhabitants)
70 Km W of Bisceglie (55422 inhabitants)
79 Km W of Molfetta (59874 inhabitants)
86 Km E of Benevento (60091 inhabitants)
90 Km W of Bitonto (55540 inhabitants)
91 Km N of Potenza (67122 inhabitants)
98 Km NE of Avellino (54857 inhabitants)
99 Km NW of Altamura (70396 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 1.7 2021-08-17
07:03:52		 41.4588 15.7178 10 2021-12-29
11:12:30		 Bollettino Sismico Italiano INGV 95389071
Reviewed
Rev100 		ML 1.7 2021-08-17
07:03:52		 41.4473 15.7213 10 2021-08-17
07:22:57		 Sala Sismica INGV-Roma 94285891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-17 07:03:52 ± 0.12
Latitude 41.4588 ± 0.0045
Longitude 15.7178 ± 0.0084
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95389071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 622
Semi-minor axis of confidence ellipse (meter) 567
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 47
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
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) 0.16278
Epicentral distance of station farthest from the epicenter (degree) 1.21498
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 31
Type of magnitude ML
Reference to an origin 95389071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-07 17:13:47

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 94285891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-17 07:22:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NOCI.HHZ. 2021-08-17T07:04:31.57 0.6 undecidable manual S 123 134.865 50 -0.04 40
GE.MATE.HHZ. 2021-08-17T07:04:28.34 0.6 undecidable manual S 137 121.989 50 0.16 40
OT.OT15.EHZ. 2021-08-17T07:04:23.86 0.6 undecidable manual S 111 104.3178 50 0.39 40
IV.AMUR.HHZ. 2021-08-17T07:04:21.32 0.6 undecidable manual S 129 96.0261 50 0.07 43
IV.ACER.HHZ. 2021-08-17T07:04:17.54 0.6 undecidable manual S 166 76.8675 50 1.4 27
IV.NOCI.HHZ. 2021-08-17T07:04:15.71 0.3 undecidable manual P 123 134.865 50 0.5 55
GE.MATE.HHZ. 2021-08-17T07:04:13.27 0.3 undecidable manual P 137 121.989 50 0.04 62
IV.PTRP.HHZ. 2021-08-17T07:04:12.05 0.6 undecidable manual P 164 107.9142 50 1 31
IV.MIGL.HHE. 2021-08-17T07:04:11.97 0.3 undecidable manual P 147 112.4985 50 0.21 61
OT.OT15.EHZ. 2021-08-17T07:04:11.03 0.3 undecidable manual P 111 104.3178 50 0.52 58
IV.AMUR.HHZ. 2021-08-17T07:04:09.51 0.1 undecidable manual P 129 96.0261 50 0.28 83
IV.TREM.HHN. 2021-08-17T07:04:07.37 0.3 undecidable manual P 347 75.6687 50 1.28 44
IV.ACER.HHZ. 2021-08-17T07:04:06.25 0.3 undecidable manual P 166 76.8675 50 -0.03 68
IV.APRC.HHZ. 2021-08-17T07:04:05.12 0.6 undecidable manual S 336 36.1416 50 -0.15 48
OT.OT11.EHE. 2021-08-17T07:04:05.10 0.6 undecidable manual S 281 32.3454 50 0.84 39
IV.MSAG.HHZ. 2021-08-17T07:04:04.13 0.6 undecidable manual S 29 32.2455 50 -0.1 49
IV.SGRT.HHE. 2021-08-17T07:04:04.19 0.6 undecidable manual S 4 32.8449 50 -0.2 47
IV.CAPA.HHZ. 2021-08-17T07:04:03.52 0.6 undecidable manual S 166 34.3434 50 -1.27 32
IV.PALZ.HHZ. 2021-08-17T07:04:03.15 0.3 undecidable manual P 160 60.5949 50 -0.62 61
OT.OT04.EHZ. 2021-08-17T07:04:03.76 0.6 undecidable manual S 339 31.0467 50 -0.15 48
IV.MELA.HNN. 2021-08-17T07:04:03.27 0.3 undecidable manual P 299 56.1993 50 0.18 69
IV.VULT.HHZ. 2021-08-17T07:04:03.00 0.3 undecidable manual P 189 56.499 50 -0.14 69
OT.OT03.EHZ. 2021-08-17T07:04:03.07 0.6 undecidable manual S 349 28.6491 50 -0.2 48
IV.MRVN.HHN. 2021-08-17T07:04:02.51 0.3 undecidable manual P 138 59.496 50 -1.09 50
OT.OT06.EHZ. 2021-08-17T07:04:02.71 0.6 undecidable manual S 338 27.1506 109 -0.08 49
OT.OT05.EHZ. 2021-08-17T07:04:01.63 0.6 undecidable manual S 337 24.1536 111 -0.19 48
IV.MOCO.HNE. 2021-08-17T07:04:01.92 0.3 undecidable manual P 258 47.619 50 0.15 70
OT.OT12.EHZ. 2021-08-17T07:04:01.59 0.6 undecidable manual S 39 24.8529 111 -0.44 46
IV.SGTA.HHZ. 2021-08-17T07:04:01.52 0.3 undecidable manual P 219 46.4202 50 -0.06 72
OT.OT07.EHZ. 2021-08-17T07:04:00.36 0.6 undecidable manual S 0 18.0708 118 0.49 46
IV.SGRT.HHE. 2021-08-17T07:03:59.34 0.1 negative manual P 4 32.8449 50 -0.16 96
OT.OT11.EHE. 2021-08-17T07:03:59.56 0.6 undecidable manual P 281 32.3454 50 0.14 48
IV.APRC.HHZ. 2021-08-17T07:03:59.72 0.1 undecidable manual P 336 36.1416 50 -0.28 93
OT.OT04.EHZ. 2021-08-17T07:03:59.02 0.1 negative manual P 339 31.0467 50 -0.2 95
IV.MSAG.HHZ. 2021-08-17T07:03:59.48 0.1 undecidable manual P 29 32.2455 50 0.08 98
OT.OT12.EHZ. 2021-08-17T07:03:58.24 0.3 undecidable manual P 39 24.8529 111 0.11 74
OT.OT06.EHZ. 2021-08-17T07:03:58.57 0.1 undecidable manual P 338 27.1506 109 0 100
IV.CAPA.HHZ. 2021-08-17T07:03:58.94 0.1 undecidable manual P 166 34.3434 50 -0.78 79
OT.OT03.EHZ. 2021-08-17T07:03:58.76 0.1 negative manual P 349 28.6491 50 -0.09 98
OT.OT05.EHZ. 2021-08-17T07:03:57.65 0.1 undecidable manual P 337 24.1536 111 -0.36 93
OT.OT07.EHZ. 2021-08-17T07:03:57.30 0.1 undecidable manual P 0 18.0708 118 0.41 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.OT12.EHE. ML:1.2 0.00009862014 0.1984 AML other m 2021-08-17T07:04:02.05
OT.OT05.EHE. ML:0.8 0.000036150000000000005 0.2 AML other m 2021-08-17T07:04:02.12
OT.OT12.EHN. ML:1.3 0.00011834569 0.1408 AML other m 2021-08-17T07:04:02.20
OT.OT05.EHN. ML:1.8 0.0003905 0.26 AML other m 2021-08-17T07:04:02.19
IV.SGRT.HHE. ML:1.9 0.000334 0.42 AML other m 2021-08-17T07:04:04.39
IV.MSAG.HHE. ML:0.8 0.000029430785000000002 0.2176 AML other m 2021-08-17T07:04:04.74
IV.MSAG.HNN. ML:1.4 0.00011472505 0.32 AML other m 2021-08-17T07:04:04.78
IV.MSAG.HHN. ML:1.0 0.000047446545 0.16 AML other m 2021-08-17T07:04:04.86
IV.SGRT.HHN. ML:1.8 0.000262 1.04 AML other m 2021-08-17T07:04:04.34
IV.MSAG.HNE. ML:1.4 0.00011842403500000001 0.2016 AML other m 2021-08-17T07:04:05.03
IV.CAPA.HNN. ML:1.2 0.000070927187 0.5184 AML other m 2021-08-17T07:04:05.54
IV.APRC.HHE. ML:1.5 0.0001203256 0.3008 AML other m 2021-08-17T07:04:05.51
IV.APRC.HHN. ML:1.4 0.000111709365 0.4832 AML other m 2021-08-17T07:04:05.53
IV.VULT.HHN. ML:1.6 0.000081624475 0.6176 AML other m 2021-08-17T07:04:10.31
IV.VULT.HNE. ML:1.5 0.000072768525 1.1584 AML other m 2021-08-17T07:04:10.11
IV.VULT.HNN. ML:1.9 0.000166693135 0.3584 AML other m 2021-08-17T07:04:11.14
IV.VULT.HHE. ML:1.7 0.00011375950000000001 0.6592 AML other m 2021-08-17T07:04:11.17
IV.TREM.HNE. ML:2.2 0.00021473615 1.1104 AML other m 2021-08-17T07:04:17.16
IV.TREM.HHE. ML:2.1 0.0001825523 0.6784 AML other m 2021-08-17T07:04:16.96
IV.TREM.HNN. ML:2.2 0.00020921535 1.0176 AML other m 2021-08-17T07:04:17.29
IV.TREM.HHN. ML:2.1 0.00019589845 1.1168 AML other m 2021-08-17T07:04:16.78
IV.ACER.HNE. ML:1.9 0.00010524319500000002 0.96 AML other m 2021-08-17T07:04:17.90
IV.ACER.HHE. ML:2.0 0.000152 1.62 AML other m 2021-08-17T07:04:18.10
IV.ACER.HHN. ML:1.9 0.00011115 0.72 AML other m 2021-08-17T07:04:18.38
IV.AMUR.HNE. ML:1.8 0.00006784464500000001 0.2208 AML other m 2021-08-17T07:04:21.99
IV.AMUR.HHN. ML:1.9 0.000089080915 0.2432 AML other m 2021-08-17T07:04:22.00
IV.AMUR.HNN. ML:1.8 0.00007636395 0.2304 AML other m 2021-08-17T07:04:22.01
IV.AMUR.HHE. ML:1.9 0.00008387678 0.24 AML other m 2021-08-17T07:04:22.24
GE.MATE.HHE. ML:1.9 0.000054821110000000003 0.1408 AML other m 2021-08-17T07:04:28.88
GE.MATE.HHN. ML:1.9 0.000056263585 0.3808 AML other m 2021-08-17T07:04:28.99
IV.NOCI.HNE. ML:1.9 0.0000472001 0.6304 AML other m 2021-08-17T07:04:32.43
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