Earthquake with magnitude of ML 1.4 on date 07-08-2020 and time 15:07:42 (Italy) in region 4 km SE Grottole (MT)

A magnitude ML 1.4 earthquake occured in region: 4 km SE Grottole (MT), on

  • 07-08-2020 13:07:42 (UTC)
  • 07-08-2020 15:07:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.572, 16.394 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.

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 4 2208 2208
Salandra MT 8 2829 5037
Miglionico MT 9 2510 7547
Ferrandina MT 10 8853 16400
Grassano MT 12 5189 21589
Garaguso MT 14 1073 22662
Pomarico MT 14 4145 26807
San Mauro Forte MT 15 1552 28359
Calciano MT 17 777 29136
Oliveto Lucano MT 18 450 29586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km SW of Matera (60436 inhabitants)
32 Km SW of Altamura (70396 inhabitants)
50 Km E of Potenza (67122 inhabitants)
65 Km SW of Bitonto (55540 inhabitants)
72 Km W of Taranto (201100 inhabitants)
73 Km S of Molfetta (59874 inhabitants)
74 Km SW of Bari (326344 inhabitants)
74 Km S of Andria (100440 inhabitants)
75 Km S of Bisceglie (55422 inhabitants)
78 Km S of Trani (56217 inhabitants)
84 Km S of Barletta (94814 inhabitants)
88 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 1.4 2020-08-07
13:07:42
40.5715 16.3942 10 2020-11-19
12:36:58
Bollettino Sismico Italiano INGV 82367771
Reviewed
Rev100
ML 1.5 2020-08-07
13:07:41
40.5533 16.4093 10 2020-08-07
14:17:58
Sala Sismica INGV-Roma 81738581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-07 13:07:42 ± 0.14
Latitude 40.5715 ± 0.0090
Longitude 16.3942 ± 0.0095
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 82367771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 996
Semi-minor axis of confidence ellipse (meter) 395
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 149
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
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) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.19245
Epicentral distance of station farthest from the epicenter (degree) 0.69518
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 82367771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-07 15:51:41

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 81738581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-07 14:17:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SALB.HHZ. 2020-08-07T13:08:05.45 0.6 undecidable manual S 183 0.6952 50 -0.06 46
OT.MASS.HHE. 2020-08-07T13:08:02.72 0.6 undecidable manual S 84 0.572 50 0.84 39
IV.SIRI.HHZ. 2020-08-07T13:08:01.36 0.6 undecidable manual S 226 0.5585 50 -0.12 46
IV.AMUR.HHZ. 2020-08-07T13:07:56.06 0.6 undecidable manual S 25 0.3714 50 0.14 49
IV.SALB.HHZ. 2020-08-07T13:07:55.03 0.3 undecidable manual P 183 0.6952 50 -0.61 63
OT.MASS.HHE. 2020-08-07T13:07:54.12 0.3 undecidable manual P 84 0.572 50 0.58 61
IV.PTRP.HHZ. 2020-08-07T13:07:52.66 0.3 undecidable manual S 259 0.2581 50 0.1 70
IV.SIRI.HHZ. 2020-08-07T13:07:52.78 0.1 undecidable manual P 226 0.5585 50 -0.53 87
GE.MATE.HHZ. 2020-08-07T13:07:51.94 0.3 undecidable manual S 72 0.2482 50 -0.32 75
IX.PGN3.HHN.02 2020-08-07T13:07:51.85 0.3 undecidable manual P 270 0.4533 50 0.34 68
IV.CRAC.EHZ. 2020-08-07T13:07:50.99 0.6 undecidable manual S 171 0.1925 114 0.7 32
IV.AMUR.HHZ. 2020-08-07T13:07:49.93 0.1 undecidable manual P 25 0.3714 50 -0.17 96
IV.PTRP.HHZ. 2020-08-07T13:07:48.65 0.3 undecidable manual P 259 0.2581 50 0.49 62
GE.MATE.HHZ. 2020-08-07T13:07:47.74 0.1 undecidable manual P 72 0.2482 50 -0.25 100
IV.CRAC.EHZ. 2020-08-07T13:07:46.94 0.3 undecidable manual P 171 0.1925 114 0.09 68
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GE.MATE.HHN. ML:1.5 0.00017494459 0.1216 AML other m 2020-08-07T13:07:52.10
GE.MATE.HHE. ML:1.7 0.00026179825 0.2176 AML other m 2020-08-07T13:07:52.14
IV.PTRP.HHE. ML:1 5.1577585E-5 0.5824 AML other m 2020-08-07T13:07:55.14
IV.SIRI.HNE. ML:1.5 6.110922E-5 0.3392 AML other m 2020-08-07T13:08:03.38
IV.SIRI.HHE. ML:1.4 5.0892655E-5 0.3392 AML other m 2020-08-07T13:08:03.38
IV.SIRI.HNN. ML:1.4 4.326313E-5 0.2624 AML other m 2020-08-07T13:08:04.51
IV.SIRI.HHN. ML:1.4 4.4545955E-5 0.4224 AML other m 2020-08-07T13:08:05.25
IV.SALB.HHE. ML:1.3 3.208158E-5 0.2624 AML other m 2020-08-07T13:08:07.25
IV.SALB.HHN. ML:1.2 2.669427E-5 0.224 AML other m 2020-08-07T13:08:07.85
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