Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 30-04-2020 and time 06:25:01 (UTC) in region 8 km SW Gravina in Puglia (BA)

A magnitude ML 2.1 earthquake occured in region: 8 km SW Gravina in Puglia (BA), on

  • 30-04-2020 06:25:01 (UTC)
  • 30-04-2020 08:25:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7800, 16.3350 at 11 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
Gravina in Puglia BA 8 43872 43872
Irsina MT 9 4960 48832
Poggiorsini BA 17 1450 50282
Grassano MT 17 5189 55471
Altamura BA 19 70396 125867
Grottole MT 20 2208 128075

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km W of Altamura (70396 inhabitants)
25 Km NW of Matera (60436 inhabitants)
47 Km E of Potenza (67122 inhabitants)
48 Km SW of Bitonto (55540 inhabitants)
50 Km S of Andria (100440 inhabitants)
52 Km SW of Molfetta (59874 inhabitants)
53 Km S of Bisceglie (55422 inhabitants)
56 Km S of Trani (56217 inhabitants)
59 Km SW of Bari (326344 inhabitants)
60 Km S of Barletta (94814 inhabitants)
65 Km SE of Cerignola (58396 inhabitants)
83 Km W of Taranto (201100 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 2.1 2020-04-30
06:25:01		 40.7798 16.3353 11 2020-07-18
21:08:37		 Bollettino Sismico Italiano INGV 79413231
Reviewed
Rev100 		ML 2.1 2020-04-30
06:25:01		 40.7892 16.3452 10 2020-04-30
06:43:46		 Sala Sismica INGV-Roma 78689751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-30 06:25:01 ± 0.15
Latitude 40.7798 ± 0.0054
Longitude 16.3353 ± 0.0059
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79413231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 564
Semi-minor axis of confidence ellipse (meter) 278
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 31
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.19245
Epicentral distance of station farthest from the epicenter (degree) 1.29682
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 79413231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-23 17:32:07

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 46
Type of magnitude ML
Reference to an origin 78689751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-30 06:43:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.TAR1.HHZ. 2020-04-30T06:25:26.70 1.0 undecidable manual S 109 84.7485 50 0.42 21
IV.MELA.HHE. 2020-04-30T06:25:24.57 0.6 undecidable manual P 316 143.9448 50 -0.21 38
IV.MRLC.HHZ. 2020-04-30T06:25:23.93 0.6 undecidable manual S 268 71.1732 50 1.26 30
IV.SLCN.HHZ. 2020-04-30T06:25:23.95 0.6 undecidable manual S 234 73.2711 50 0.71 39
IV.SCHR.EHZ. 2020-04-30T06:25:22.40 0.6 undecidable manual S 199 67.9764 50 0.57 41
IV.MCEL.HHZ. 2020-04-30T06:25:22.18 0.6 undecidable manual S 222 67.5768 50 0.47 43
OT.OT13.EHN. 2020-04-30T06:25:22.62 0.6 undecidable manual P 354 122.7882 50 1.09 29
IV.APRC.HHZ. 2020-04-30T06:25:22.00 0.3 undecidable manual P 329 126.9729 50 -0.17 59
IV.SGRT.HHZ. 2020-04-30T06:25:21.20 0.3 undecidable manual P 336 118.8921 50 0.28 59
IV.NOCI.HHZ. 2020-04-30T06:25:20.44 0.6 undecidable manual S 89 61.1943 50 0.42 43
IV.MSAG.HHZ. 2020-04-30T06:25:19.70 0.3 undecidable manual P 341 109.3128 50 0.25 61
IV.BULG.HHZ. 2020-04-30T06:25:19.86 0.3 undecidable manual P 226 112.1988 50 -0.04 62
IV.CMPR.HHZ. 2020-04-30T06:25:17.48 0.3 undecidable manual P 240 101.0211 50 -0.69 54
IV.SALB.HHZ. 2020-04-30T06:25:17.69 0.3 undecidable manual P 179 100.122 50 -0.35 60
IV.CAFE.HHZ. 2020-04-30T06:25:17.81 0.3 undecidable manual P 287 96.126 50 0.39 61
OT.TAR1.HHZ. 2020-04-30T06:25:15.95 0.6 undecidable manual P 109 84.7485 50 0.29 42
IV.SLCN.HHZ. 2020-04-30T06:25:13.47 0.1 undecidable manual P 234 73.2711 50 -0.43 83
IV.MRLC.HHZ. 2020-04-30T06:25:13.80 0.3 undecidable manual P 268 71.1732 50 0.23 66
IV.PALZ.HHN. 2020-04-30T06:25:13.50 0.6 undecidable manual S 300 36.3414 50 0.12 48
IV.SIRI.HHZ. 2020-04-30T06:25:13.64 0.3 undecidable manual P 211 77.1672 50 -0.86 52
OT.MASS.HHE. 2020-04-30T06:25:13.57 0.3 undecidable manual P 103 69.8745 50 0.19 66
GE.MATE.HHZ. 2020-04-30T06:25:12.60 0.3 undecidable manual S 115 34.2435 50 -0.21 70
IX.VGG3.HNZ.01 2020-04-30T06:25:12.49 0.3 undecidable manual P 217 61.3941 50 0.43 64
IV.SCHR.EHZ. 2020-04-30T06:25:12.72 0.3 undecidable manual P 199 67.9764 50 -0.37 64
IV.MCEL.HHZ. 2020-04-30T06:25:12.20 0.3 undecidable manual P 222 67.5768 50 -0.82 54
IV.PTRP.HHZ. 2020-04-30T06:25:12.92 0.6 undecidable manual S 219 36.8298 50 -0.57 42
IV.VULT.HHN. 2020-04-30T06:25:12.85 0.3 undecidable manual P 288 63.3921 50 0.48 63
IV.AMUR.HHZ. 2020-04-30T06:25:11.23 1.0 undecidable manual S 58 26.6511 50 0.46 23
IV.NOCI.HHZ. 2020-04-30T06:25:11.95 0.3 undecidable manual P 89 61.1943 50 -0.09 69
IV.MRVN.HHN. 2020-04-30T06:25:11.98 0.6 undecidable manual S 339 33.3444 50 -0.58 43
IV.CAPA.HNE. 2020-04-30T06:25:11.63 0.3 undecidable manual P 314 60.3951 50 -0.28 66
OT.OT15.EHZ. 2020-04-30T06:25:11.79 0.6 undecidable manual P 51 58.3971 50 0.18 45
IV.MIGL.HHN. 2020-04-30T06:25:10.00 0.3 undecidable manual S 155 21.3675 50 0.62 65
IX.PGN3.HHN.02 2020-04-30T06:25:10.48 0.3 undecidable manual P 243 50.8158 50 0.04 71
IV.PTRP.HHZ. 2020-04-30T06:25:08.42 0.1 undecidable manual P 219 36.8298 50 0.15 95
IV.PALZ.HHN. 2020-04-30T06:25:08.14 0.3 undecidable manual P 300 36.3414 50 -0.07 72
GE.MATE.HHZ. 2020-04-30T06:25:07.61 0.1 undecidable manual P 115 34.2435 50 -0.27 93
IV.MRVN.HHN. 2020-04-30T06:25:07.36 0.1 undecidable manual P 339 33.3444 50 -0.38 91
IV.AMUR.HHZ. 2020-04-30T06:25:06.60 0.1 negative manual P 58 26.6511 50 -0.1 98
IV.MIGL.HHN. 2020-04-30T06:25:05.88 0.1 undecidable manual P 155 21.3675 50 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MIGL.HHE. ML:2.6 0.002556399 0.2208 AML other m 2020-04-30T06:25:10.19
IV.MIGL.HHN. ML:2.2 0.0011798721999999998 0.1824 AML other m 2020-04-30T06:25:10.08
IV.AMUR.HHE. ML:2.0 0.00058505685 0.1984 AML other m 2020-04-30T06:25:11.86
IV.MRVN.HHN. ML:1.7 0.00020157895 0.1408 AML other m 2020-04-30T06:25:12.11
IV.AMUR.HHN. ML:2.1 0.00074514015 0.3008 AML other m 2020-04-30T06:25:12.72
GE.MATE.HHE. ML:2.5 0.001302459 0.1792 AML other m 2020-04-30T06:25:13.08
GE.MATE.HHN. ML:2.1 0.0005813696500000001 0.0992 AML other m 2020-04-30T06:25:13.33
IV.PTRP.HHE. ML:1.8 0.0002599303 0.3424 AML other m 2020-04-30T06:25:14.76
IV.MRVN.HHE. ML:1.6 0.00017280665000000002 1.84 AML other m 2020-04-30T06:25:17.03
IV.PALZ.HHE. ML:1.8 0.000226578525 0.3008 AML other m 2020-04-30T06:25:17.20
IV.PTRP.HHN. ML:1.8 0.00025661594999999997 0.4192 AML other m 2020-04-30T06:25:17.92
IV.NOCI.HHE. ML:2.6 0.00088835135 0.1376 AML other m 2020-04-30T06:25:23.44
IV.NOCI.HHN. ML:2.6 0.000829956 0.1984 AML other m 2020-04-30T06:25:23.39
IV.SCHR.EHE. ML:1.7 0.00007893201 0.1408 AML other m 2020-04-30T06:25:24.94
IV.SCHR.EHN. ML:1.7 0.00009025 1.2 AML other m 2020-04-30T06:25:24.38
IV.MCEL.HNN. ML:2.0 0.00018994225 0.2432 AML other m 2020-04-30T06:25:25.22
IV.MCEL.HHN. ML:2.0 0.00019462695 0.2432 AML other m 2020-04-30T06:25:25.22
IV.VULT.HHE. ML:2.0 0.00018563885000000003 0.1408 AML other m 2020-04-30T06:25:25.19
IV.VULT.HNE. ML:2.0 0.0001746446 0.1504 AML other m 2020-04-30T06:25:25.19
IV.MRLC.HHN. ML:2.0 0.00015079945 0.32 AML other m 2020-04-30T06:25:25.95
IV.MCEL.HNE. ML:2.1 0.0002200046 1.84 AML other m 2020-04-30T06:25:25.96
IV.MCEL.HHE. ML:2.1 0.0002362118 1.84 AML other m 2020-04-30T06:25:25.04
IV.SLCN.HHN. ML:2.3 0.00029318275 0.48 AML other m 2020-04-30T06:25:26.07
IV.MRLC.HNE. ML:1.4 0.000046112794999999996 0.2208 AML other m 2020-04-30T06:25:26.54
IV.MRLC.HHE. ML:1.9 0.00011949999999999999 0.24 AML other m 2020-04-30T06:25:26.42
IV.SIRI.HNN. ML:2.0 0.00012770175000000001 0.2016 AML other m 2020-04-30T06:25:27.77
IV.SIRI.HHN. ML:2.0 0.00013155055 0.2016 AML other m 2020-04-30T06:25:27.67
IV.SLCN.HNN. ML:2.4 0.0003683092 0.7808 AML other m 2020-04-30T06:25:27.87
IV.SLCN.HHE. ML:2.4 0.00036506464999999996 1.7824 AML other m 2020-04-30T06:25:28.04
IV.SLCN.HNE. ML:2.3 0.00031117745 0.272 AML other m 2020-04-30T06:25:28.04
IV.VULT.HHN. ML:2.0 0.0002019071 0.2784 AML other m 2020-04-30T06:25:28.71
OT.TAR1.HHE. ML:2.4 0.00029030714999999995 0.2624 AML other m 2020-04-30T06:25:29.47
OT.TAR1.HHN. ML:2.3 0.0002655704 0.1792 AML other m 2020-04-30T06:25:29.33
IV.SIRI.HNE. ML:2.0 0.00013917685000000002 0.24 AML other m 2020-04-30T06:25:30.47
IV.SIRI.HHE. ML:2.0 0.00014251885 0.24 AML other m 2020-04-30T06:25:30.47
IV.VULT.HNN. ML:2.1 0.00025513245000000003 1.4528 AML other m 2020-04-30T06:25:33.07
IV.CMPR.HHN. ML:1.7 0.0000501 0.28 AML other m 2020-04-30T06:25:36.62
IV.MSAG.HHN. ML:2.0 0.000083336155 1.8176 AML other m 2020-04-30T06:25:36.07
IV.SGRT.HHN. ML:2.1 0.00009780267 0.0992 AML other m 2020-04-30T06:25:40.45
IV.MSAG.HHE. ML:1.5 0.000028690845 0.24 AML other m 2020-04-30T06:25:40.79
IV.APRC.HHN. ML:2.4 0.00015247815 0.1408 AML other m 2020-04-30T06:25:41.09
IV.SGRT.HHE. ML:2.1 0.00010262263 0.2016 AML other m 2020-04-30T06:25:41.49
IV.CMPR.HHE. ML:1.7 0.0000511 0.52 AML other m 2020-04-30T06:25:43.30
IV.APRC.HHE. ML:2.2 0.00009877812 0.1632 AML other m 2020-04-30T06:25:43.73
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