Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 06-09-2021 and time 01:16:46 (UTC) in region 5 km SW Grottole (MT)

A magnitude ML 2.0 earthquake occured in region: 5 km SW Grottole (MT), on

  • 06-09-2021 01:16:46 (UTC)
  • 06-09-2021 03:16:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.5640, 16.3530 at 24 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
Grottole MT 5 2208 2208
Salandra MT 5 2829 5037
Grassano MT 10 5189 10226
Garaguso MT 11 1073 11299
Ferrandina MT 12 8853 20152
San Mauro Forte MT 12 1552 21704
Miglionico MT 13 2510 24214
Calciano MT 14 777 24991
Oliveto Lucano MT 14 450 25441
Pomarico MT 17 4145 29586
Accettura MT 18 1856 31442
Tricarico MT 19 5388 36830

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SW of Matera (60436 inhabitants)
34 Km SW of Altamura (70396 inhabitants)
47 Km E of Potenza (67122 inhabitants)
67 Km SW of Bitonto (55540 inhabitants)
74 Km S of Andria (100440 inhabitants)
74 Km S of Molfetta (59874 inhabitants)
75 Km W of Taranto (201100 inhabitants)
76 Km SW of Bari (326344 inhabitants)
77 Km S of Bisceglie (55422 inhabitants)
79 Km S of Trani (56217 inhabitants)
84 Km S of Barletta (94814 inhabitants)
87 Km SE of Cerignola (58396 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 2.0 2021-09-06
01:16:46		 40.5643 16.3527 24 2022-03-30
13:04:10		 Bollettino Sismico Italiano INGV 96429481
Reviewed
Rev100 		ML 2.0 2021-09-06
01:16:46		 40.5708 16.353 27 2021-09-06
01:25:05		 Sala Sismica INGV-Roma 95089481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-06 01:16:46 ± 0.09
Latitude 40.5643 ± 0.0054
Longitude 16.3527 ± 0.0071
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96429481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 602
Semi-minor axis of confidence ellipse (meter) 295
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 340
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 53
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.07824
Epicentral distance of station farthest from the epicenter (degree) 1.33909
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 68
Type of magnitude ML
Reference to an origin 96429481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-22 14:57:56

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 70
Type of magnitude ML
Reference to an origin 95089481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-06 01:25:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGRT.HHZ. 2021-09-06T01:17:27.54 0.6 undecidable manual S 339 141.4473 54 0.85 32
OT.OT05.EHZ. 2021-09-06T01:17:26.24 0.6 undecidable manual S 333 136.6632 54 0.59 36
IV.MSAG.HHZ. 2021-09-06T01:17:25.58 0.6 undecidable manual S 344 132.5673 96 0.85 32
OT.OT12.EHZ. 2021-09-06T01:17:22.54 0.3 undecidable manual S 343 124.0869 96 0.06 60
OT.CGL1.HHZ. 2021-09-06T01:17:15.96 0.3 undecidable manual S 84 98.5236 98 0.25 60
IV.SPS2.HHZ. 2021-09-06T01:17:11.42 0.3 undecidable manual P 180 141.2475 54 1.66 29
IV.APRC.HHZ. 2021-09-06T01:17:11.27 0.6 undecidable manual P 333 148.6401 54 0.59 34
IX.SRN3.HHZ.02 2021-09-06T01:17:10.93 0.3 undecidable manual S 264 75.9684 101 1.16 45
OT.OT05.EHZ. 2021-09-06T01:17:10.00 0.6 undecidable manual P 333 136.6632 54 0.81 32
OT.TAR1.HHZ. 2021-09-06T01:17:10.68 0.3 undecidable manual S 93 78.6657 101 0.2 63
OT.OT15.EHZ. 2021-09-06T01:17:09.92 0.3 undecidable manual S 36 74.8695 101 0.43 62
IV.SGRT.HHZ. 2021-09-06T01:17:09.90 0.3 undecidable manual P 339 141.4473 54 0.11 58
IV.MSAG.HHZ. 2021-09-06T01:17:08.78 0.3 undecidable manual P 344 132.5673 96 0.12 59
IV.CET2.HHZ. 2021-09-06T01:17:07.04 0.6 undecidable manual P 197 119.7912 97 0.35 38
IV.NOCI.HHZ. 2021-09-06T01:17:06.82 0.3 undecidable manual S 67 64.8906 104 -0.05 67
OT.OT12.EHZ. 2021-09-06T01:17:06.98 0.3 undecidable manual P 343 124.0869 96 -0.38 55
IV.MTSN.HHZ. 2021-09-06T01:17:05.86 0.6 undecidable manual S 237 60.5949 105 0.09 45
IV.MRVN.HHZ. 2021-09-06T01:17:04.26 0.3 undecidable manual S 347 56.5989 106 -0.49 60
IV.SNAL.HHZ. 2021-09-06T01:17:04.08 0.1 undecidable manual P 293 104.118 98 -0.22 80
IV.SIRI.HHZ. 2021-09-06T01:17:04.55 0.3 undecidable manual S 224 58.9965 105 -0.81 56
IV.MCEL.HHZ. 2021-09-06T01:17:04.25 0.3 undecidable manual S 240 53.502 107 0.29 65
IX.PGN3.HHZ.02 2021-09-06T01:17:03.06 0.6 undecidable manual S 271 46.8198 110 0.79 38
OT.CGL1.HHZ. 2021-09-06T01:17:03.58 0.3 undecidable manual P 84 98.5236 98 0.13 62
IV.GRIS.EHZ. 2021-09-06T01:17:03.40 0.6 undecidable manual P 205 100.7214 98 -0.39 40
IV.PALZ.HHZ. 2021-09-06T01:17:03.83 0.3 undecidable manual S 322 53.502 107 -0.12 67
IV.MCRV.HHZ. 2021-09-06T01:17:03.87 0.6 undecidable manual P 284 102.5196 98 -0.19 40
IV.CMPR.HHZ. 2021-09-06T01:17:02.75 0.1 undecidable manual P 253 92.7405 99 0.18 83
IV.SCHR.EHZ. 2021-09-06T01:17:02.68 0.6 undecidable manual S 210 46.8198 110 0.44 42
IV.AMUR.HHZ. 2021-09-06T01:17:01.18 0.6 undecidable manual S 29 43.5231 111 -0.25 45
IV.MRLC.HHZ. 2021-09-06T01:17:00.15 0.3 undecidable manual P 287 75.7686 101 0.16 65
IX.SCL3.EHZ.02 2021-09-06T01:17:00.02 0.3 undecidable manual P 282 72.2721 102 0.55 60
OT.TAR1.HHZ. 2021-09-06T01:17:00.10 0.1 undecidable manual P 93 78.6657 101 -0.33 83
OT.OT15.EHZ. 2021-09-06T01:16:59.43 0.1 undecidable manual P 36 74.8695 101 -0.43 81
IX.SRN3.HHZ.02 2021-09-06T01:16:59.70 0.1 undecidable manual P 264 75.9684 101 -0.32 83
IV.PTRP.HHZ. 2021-09-06T01:16:58.73 0.6 undecidable manual S 259 25.0527 127 1.63 25
IV.NOCI.HHZ. 2021-09-06T01:16:58.39 0.1 undecidable manual P 67 64.8906 104 0.04 90
GE.MATE.HHZ. 2021-09-06T01:16:58.18 0.1 undecidable manual S 72 31.0467 121 -0.26 92
IV.CRAC.EHZ. 2021-09-06T01:16:57.51 0.3 undecidable manual S 161 21.4674 132 1.15 47
IV.SLCN.HHZ. 2021-09-06T01:16:57.64 0.1 undecidable manual P 253 63.7917 104 -0.55 81
IV.PALZ.HHZ. 2021-09-06T01:16:56.84 0.1 undecidable manual P 322 53.502 107 0.18 90
IV.MTSN.HHZ. 2021-09-06T01:16:56.87 0.1 undecidable manual P 237 60.5949 105 -0.84 72
IV.MRVN.HHZ. 2021-09-06T01:16:56.64 0.1 undecidable manual P 347 56.5989 106 -0.49 82
IV.SIRI.HHZ. 2021-09-06T01:16:56.65 0.1 negative manual P 224 58.9965 105 -0.82 74
IV.SCHR.EHZ. 2021-09-06T01:16:55.17 0.3 positive manual P 210 46.8198 110 -0.51 64
IV.MCEL.HHZ. 2021-09-06T01:16:55.95 0.1 positive manual P 240 53.502 107 -0.72 77
IX.PGN3.HHZ.02 2021-09-06T01:16:55.41 0.1 negative manual P 271 46.8198 110 -0.28 89
IV.PZUN.HHZ. 2021-09-06T01:16:55.75 0.3 negative manual P 281 46.8198 110 0.06 70
IV.MIGL.HHZ. 2021-09-06T01:16:55.13 0.1 undecidable manual S 59 8.6802 157 0.76 80
IV.AMUR.HHZ. 2021-09-06T01:16:54.86 0.6 positive manual P 29 43.5231 111 -0.34 87
IV.PTRP.HHZ. 2021-09-06T01:16:53.05 0.1 negative manual P 259 25.0527 127 0.34 91
GE.MATE.HHZ. 2021-09-06T01:16:53.10 0.1 positive manual P 72 31.0467 121 -0.38 90
IV.CRAC.EHZ. 2021-09-06T01:16:52.35 0.1 positive manual P 161 21.4674 132 0.07 96
IV.MIGL.HHZ. 2021-09-06T01:16:51.08 0.3 undecidable manual P 59 8.6802 157 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MIGL.HHN. ML:2.8 0.003605 0.14 AML other m 2021-09-06T01:16:55.19
IV.MIGL.HHE. ML:2.4 0.00175 0.1 AML other m 2021-09-06T01:16:55.35
IV.CRAC.EHE. ML:2.3 0.0009465 1.76 AML other m 2021-09-06T01:16:58.92
GE.MATE.HHN. ML:2.2 0.0005859999999999999 0.36 AML other m 2021-09-06T01:16:58.42
GE.MATE.HHE. ML:2.2 0.0006345 0.22 AML other m 2021-09-06T01:16:58.40
IV.CRAC.EHN. ML:2.1 0.000626 0.22 AML other m 2021-09-06T01:16:58.70
IV.PTRP.HHN. ML:2.1 0.0006085 0.56 AML other m 2021-09-06T01:17:00.38
IV.AMUR.HNE. ML:2.0 0.0002515 1.56 AML other m 2021-09-06T01:17:01.78
IV.AMUR.HNN. ML:2.0 0.000241 1.1 AML other m 2021-09-06T01:17:02.40
IV.AMUR.HHN. ML:2.0 0.0002585 1.1 AML other m 2021-09-06T01:17:02.40
IV.SCHR.EHN. ML:1.7 0.0001235 0.7 AML other m 2021-09-06T01:17:03.10
IV.AMUR.HHE. ML:1.9 0.00023249999999999999 0.26 AML other m 2021-09-06T01:17:03.72
IV.PALZ.HHE. ML:2.1 0.000259 1.76 AML other m 2021-09-06T01:17:03.10
IV.SCHR.EHE. ML:1.6 0.0001083 0.42 AML other m 2021-09-06T01:17:04.34
IV.PTRP.HHE. ML:1.8 0.0002635 0.52 AML other m 2021-09-06T01:17:04.00
IV.MRVN.HHE. ML:2.2 0.000303 0.44 AML other m 2021-09-06T01:17:04.56
IV.PALZ.HHN. ML:2.0 0.000201 0.34 AML other m 2021-09-06T01:17:05.81
IX.PGN3.HHE.02 ML:1.8 0.00016149999999999997 0.32 AML other m 2021-09-06T01:17:05.87
IV.MRVN.HHN. ML:2.0 0.00022 0.48 AML other m 2021-09-06T01:17:06.56
IV.MCEL.HHE. ML:1.9 0.0001895 0.54 AML other m 2021-09-06T01:17:06.33
IX.PGN3.HHN.02 ML:1.8 0.000146 0.54 AML other m 2021-09-06T01:17:06.33
IV.SIRI.HHE. ML:1.7 0.0000929 0.78 AML other m 2021-09-06T01:17:06.45
IV.MCEL.HNN. ML:2.2 0.0003415 1.58 AML other m 2021-09-06T01:17:06.08
IV.SIRI.HHN. ML:1.9 0.000166 0.22 AML other m 2021-09-06T01:17:06.99
IV.SIRI.HNN. ML:1.9 0.00015 0.2 AML other m 2021-09-06T01:17:06.99
IV.PZUN.HHE. ML:1.7 0.00011685000000000001 0.2 AML other m 2021-09-06T01:17:07.45
IV.MCEL.HNE. ML:2.5 0.0006730000000000001 0.54 AML other m 2021-09-06T01:17:07.40
IV.PZUN.HHN. ML:1.8 0.000154 0.22 AML other m 2021-09-06T01:17:07.40
IV.SIRI.HNE. ML:2.0 0.0001735 0.24 AML other m 2021-09-06T01:17:07.59
IV.MCEL.HHN. ML:1.8 0.0001495 0.42 AML other m 2021-09-06T01:17:07.58
IV.NOCI.HHE. ML:2.2 0.00028700000000000004 0.1 AML other m 2021-09-06T01:17:08.59
IV.MTSN.HHE. ML:1.9 0.000153 1.14 AML other m 2021-09-06T01:17:08.83
IV.NOCI.HNE. ML:2.5 0.0005560000000000001 1.3 AML other m 2021-09-06T01:17:08.20
IV.SLCN.HHN. ML:2.1 0.00023449999999999998 0.52 AML other m 2021-09-06T01:17:09.71
IV.NOCI.HHN. ML:2.5 0.0005475000000000001 0.36 AML other m 2021-09-06T01:17:10.41
IV.NOCI.HNN. ML:2.5 0.00051 0.36 AML other m 2021-09-06T01:17:10.60
IV.MTSN.HHN. ML:1.8 0.000124 1.6 AML other m 2021-09-06T01:17:10.87
OT.OT15.EHE. ML:2.0 0.00015400000000000003 1.7 AML other m 2021-09-06T01:17:10.10
IV.SLCN.HHE. ML:2.1 0.0002465 0.26 AML other m 2021-09-06T01:17:11.54
IX.SCL3.EHN.02 ML:2.0 0.000155 0.36 AML other m 2021-09-06T01:17:11.94
IX.SRN3.HHN.02 ML:2.1 0.000189 1.72 AML other m 2021-09-06T01:17:11.04
OT.TAR1.HHN. ML:2.3 0.00028 0.16 AML other m 2021-09-06T01:17:12.14
OT.TAR1.HHE. ML:2.4 0.00029749999999999997 0.48 AML other m 2021-09-06T01:17:12.56
IV.MRLC.HHN. ML:1.8 0.0000935 0.28 AML other m 2021-09-06T01:17:12.60
IV.MRLC.HHE. ML:1.6 0.000050299999999999996 0.18 AML other m 2021-09-06T01:17:12.57
IX.SRN3.HHE.02 ML:2.0 0.000134 0.58 AML other m 2021-09-06T01:17:13.47
OT.OT15.EHN. ML:2.0 0.0001545 0.32 AML other m 2021-09-06T01:17:13.64
IX.SCL3.EHE.02 ML:1.9 0.0001306 0.2 AML other m 2021-09-06T01:17:14.46
IV.CMPR.HHN. ML:1.7 0.00005485 0.3 AML other m 2021-09-06T01:17:17.99
IV.CMPR.HHE. ML:1.4 0.00002425 0.42 AML other m 2021-09-06T01:17:18.03
OT.CGL1.HHN. ML:1.7 0.00004955 0.34 AML other m 2021-09-06T01:17:19.38
OT.CGL1.HHE. ML:1.6 0.00003825 0.5 AML other m 2021-09-06T01:17:21.63
IV.GRIS.EHE. ML:1.7 0.00004365 0.9 AML other m 2021-09-06T01:17:22.26
IV.GRIS.EHN. ML:1.6 0.00004225 1.24 AML other m 2021-09-06T01:17:22.34
OT.OT12.EHN. ML:2.1 0.00009504999999999999 0.94 AML other m 2021-09-06T01:17:25.39
OT.OT12.EHE. ML:2.1 0.00007895 1.74 AML other m 2021-09-06T01:17:27.02
IV.MSAG.HNN. ML:2.7 0.0002965 0.56 AML other m 2021-09-06T01:17:29.45
IV.MSAG.HNE. ML:2.4 0.000158 0.54 AML other m 2021-09-06T01:17:29.72
IV.MSAG.HHN. ML:2.3 0.000122 0.54 AML other m 2021-09-06T01:17:29.45
IV.MSAG.HHE. ML:2.0 0.0000665 0.54 AML other m 2021-09-06T01:17:29.72
OT.OT05.EHE. ML:0.9 0.000006535 1 AML other m 2021-09-06T01:17:29.01
IV.SGRT.HHN. ML:2.3 0.0001121 0.64 AML other m 2021-09-06T01:17:29.90
IV.SGRT.HHE. ML:2.4 0.000133 0.3 AML other m 2021-09-06T01:17:31.14
OT.OT05.EHN. ML:2.0 0.0000617 0.16 AML other m 2021-09-06T01:17:31.60
IV.SPS2.HHE. ML:1.4 0.0000129 0.3 AML other m 2021-09-06T01:17:32.92
IV.APRC.HHE. ML:2.4 0.0001156 1.14 AML other m 2021-09-06T01:17:33.60
IV.APRC.HHN. ML:2.4 0.000124 0.54 AML other m 2021-09-06T01:17:33.75
IV.SPS2.HHN. ML:1.4 0.0000166 1.42 AML other m 2021-09-06T01:17:35.85
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