Earthquake with magnitude of ML 0.9 on date 01-07-2020 and time 05:09:01 (Italy) in region 8 km NE Grassano (MT)

A magnitude ML 0.9 earthquake occured in region: 8 km NE Grassano (MT), on

  • 01-07-2020 03:09:01 (UTC)
  • 01-07-2020 05:09:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6990, 16.3170 at 30 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
Grassano MT 8 5189 5189
Irsina MT 8 4960 10149
Grottole MT 12 2208 12357
Gravina in Puglia BA 16 43872 56229
Calciano MT 16 777 57006
Tricarico MT 17 5388 62394
Garaguso MT 18 1073 63467
Salandra MT 19 2829 66296

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of Matera (60436 inhabitants)
25 Km SW of Altamura (70396 inhabitants)
44 Km E of Potenza (67122 inhabitants)
56 Km SW of Bitonto (55540 inhabitants)
59 Km S of Andria (100440 inhabitants)
61 Km SW of Molfetta (59874 inhabitants)
63 Km S of Bisceglie (55422 inhabitants)
65 Km S of Trani (56217 inhabitants)
66 Km SW of Bari (326344 inhabitants)
69 Km S of Barletta (94814 inhabitants)
72 Km SE of Cerignola (58396 inhabitants)
81 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 0.9 2020-07-01
03:09:01
40.6988 16.3168 30 2020-11-19
12:36:56
Bollettino Sismico Italiano INGV 81748441
Reviewed
Rev100
ML 0.9 2020-07-01
03:09:02
40.7012 16.312 28 2020-07-01
03:17:11
Sala Sismica INGV-Roma 80664121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-01 03:09:01 ± 0.36
Latitude 40.6988 ± 0.0099
Longitude 16.3168 ± 0.0178
Depth (km) 30 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 81748441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1160
Semi-minor axis of confidence ellipse (meter) 1105
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 81
Circular confidence region, given by single value of horizontal uncertainty (meter) 1160.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54139
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 81748441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-07 22:26:09

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 80664121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-01 03:17:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SCIAR.HHZ. 2020-07-01T03:10:44.41 3.0 undecidable manual Sg 10.12 0
IV.OFFI.HHZ. 2020-07-01T03:10:37.52 3.0 undecidable manual Sg 12.74 0
CR.STON.BHZ. 2020-07-01T03:10:19.02 3.0 undecidable manual Sg 7.98 0
IV.CSNT.HHZ. 2020-07-01T03:10:16.12 3.0 positive manual Pn 4.2 0
IV.GIUL.HHZ. 2020-07-01T03:10:13.70 3.0 undecidable manual Sn 1.59 0
IV.MURB.HHZ. 2020-07-01T03:10:05.16 3.0 positive manual Pn 4.77 0
IV.ACATE.EHZ. 2020-07-01T03:10:01.73 3.0 undecidable manual Pn 0.17 0
IV.RMP.HHZ. 2020-07-01T03:09:57.82 3.0 negative manual Pg 9.53 0
IV.ROSPO.HHZ. 2020-07-01T03:09:57.17 3.0 undecidable manual Sn -0.29 0
IV.SPS2.HHZ. 2020-07-01T03:09:45.09 3.0 undecidable manual Sn -0.48 0
OT.OT05.EHZ. 2020-07-01T03:09:38.38 3.0 undecidable manual S -0.65 0
IV.MCEL.HHZ. 2020-07-01T03:09:21.44 0.6 undecidable manual S 226 60.0954 111 0.13 45
IV.PALZ.HHZ. 2020-07-01T03:09:16.56 0.3 undecidable manual S 312 40.4262 121 -0.04 72
IV.AMUR.HHZ. 2020-07-01T03:09:14.76 0.3 undecidable manual S 46 33.4443 127 -0.27 69
IV.MCEL.HHZ. 2020-07-01T03:09:12.77 0.1 undecidable manual P 226 60.0954 111 -0.34 88
IV.MIGL.HHZ. 2020-07-01T03:09:11.77 0.3 undecidable manual S 135 14.7741 151 0.06 75
IV.PALZ.HHZ. 2020-07-01T03:09:10.43 0.3 undecidable manual P 312 40.4262 121 0.05 72
IV.AMUR.HHZ. 2020-07-01T03:09:09.92 0.3 undecidable manual P 46 33.4443 127 0.44 68
IV.PTRP.HHZ. 2020-07-01T03:09:09.16 0.3 undecidable manual P 228 29.1486 131 0.19 71
IV.MIGL.HHZ. 2020-07-01T03:09:07.49 0.1 undecidable manual P 135 14.7741 151 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PALZ.HHN. ML:1.0 0.000022654315000000002 1.0608 AML other m 2020-07-01T03:09:09.60
IV.PTRP.HHE. ML:0.5 0.0000084528425 0.48 AML other m 2020-07-01T03:09:10.71
IV.MIGL.HHE. ML:1.2 0.00007783188 0.2192 AML other m 2020-07-01T03:09:11.91
IV.MIGL.HHN. ML:0.9 0.00004064314500000001 1.56 AML other m 2020-07-01T03:09:14.93
IV.AMUR.HHE. ML:0.7 0.000014681899999999999 0.12 AML other m 2020-07-01T03:09:15.17
IV.AMUR.HHN. ML:0.8 0.000017925590000000003 0.2592 AML other m 2020-07-01T03:09:15.10
IV.PTRP.HHN. ML:0.5 0.00001080697 0.44 AML other m 2020-07-01T03:09:15.68
IV.MCEL.HHE. ML:0.8 0.000007672030999999999 0.3216 AML other m 2020-07-01T03:09:24.91
IV.MCEL.HHN. ML:0.8 0.0000087590745 1.6608 AML other m 2020-07-01T03:09:26.04
IV.PALZ.HHE. ML:0.9 0.000020470399 0.68 AML other m 2020-07-01T03:09:30.33
IV.MCEL.HNE. ML:1.2 0.000032499285 0.68 AML other m 2020-07-01T03:09:34.38
IV.MCEL.HNN. ML:1.2 0.000029336044999999998 0.88 AML other m 2020-07-01T03:09:38.62
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