Earthquake (quarry blast) with magnitude of ML 1.3 on date 22-02-2017 and time 11:06:35 (Italy) in region 4 km S Statte (TA)

A magnitude ML 1.3 (quarry blast) earthquake occured in region: 4 km S Statte (TA), on

  • 22-02-2017 10:06:35 (UTC)
  • 22-02-2017 11:06:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.53, 17.19 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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
Statte TA 5 13983 13983
Taranto TA 7 201100 215083
Massafra TA 10 33003 248086
Crispiano TA 10 13802 261888
Montemesola TA 13 3949 265837
Palagiano TA 14 16067 281904
Monteiasi TA 16 5623 287527
Mottola TA 18 15997 303524
San Giorgio Ionico TA 18 15344 318868
Carosino TA 19 7010 325878
Roccaforzata TA 20 1827 327705
Leporano TA 20 8068 335773

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km NW of Taranto (201100 inhabitants)
52 Km E of Matera (60436 inhabitants)
63 Km SE of Altamura (70396 inhabitants)
65 Km W of Brindisi (88302 inhabitants)
72 Km SE of Bari (326344 inhabitants)
77 Km SE of Bitonto (55540 inhabitants)
85 Km W of Lecce (94773 inhabitants)
90 Km SE of Molfetta (59874 inhabitants)
98 Km SE of Bisceglie (55422 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
Rev 1000 ML 1.3 2017-02-22
10:06:35
40.53 17.19 0 2018-01-10
09:51:16
Bollettino Sismico Italiano INGV 48774131
Rev 100 ML 1.5 2017-02-22
10:06:34
40.49 17.28 11 2017-02-22
10:11:47
Sala Sismica INGV-Roma 41475511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-02-22 10:06:35 ± 0.17
Latitude 40.53 ± 0.02
Longitude 17.19 ± 0.01
Depth (km) 0 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 48774131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1810
Semi-minor axis of confidence ellipse (meter) 910
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 7
Circular confidence region, given by single value of horizontal uncertainty (meter) 1810
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 166
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.07285
Epicentral distance of station farthest from the epicenter (degree) 0.59085
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 41475511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-02-22 10:11:47

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 48774131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-09-08 10:42:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CRAC.EHZ. 2017-02-22T10:06:48.79 0.3 undecidable manual P 256 0.5909 50 0.39 63
IV.MIGL.HHZ. 2017-02-22T10:06:47.59 0.6 undecidable manual P 278 0.5729 50 -0.5 41
GE.MATE.HHE. 2017-02-22T10:06:43.84 0.6 undecidable manual P 289 0.3876 90 -0.24 45
IV.LTRZ.EHZ. 2017-02-22T10:06:41.93 0.3 undecidable manual P 286 0.2914 90 -0.01 72
IV.NOCI.HHZ. 2017-02-22T10:06:41.79 0.1 undecidable manual P 340 0.2797 90 0.12 95
OT.TAR1.HHZ. 2017-02-22T10:06:37.04 0.1 positive manual P 90 0.0728 91 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRAC.EHE. ML:1.6 8.163173E-5 0.256 AML other m 2017-02-22T10:06:56.27
IV.CRAC.EHN. ML:1.6 7.903361E-5 0.0768 AML other m 2017-02-22T10:06:56.95
IV.LTRZ.HNE. ML:1.5 0.000143237285 0.6784 AML other m 2017-02-22T10:06:49.86
IV.LTRZ.EHE. ML:0.7 2.4852915E-5 0.32 AML other m 2017-02-22T10:06:48.49
IV.LTRZ.EHN. ML:1.3 9.722077E-5 1.44 AML other m 2017-02-22T10:06:49.63
IV.NOCI.HHE. ML:1 4.928648E-5 0.1792 AML other m 2017-02-22T10:06:47.79
IV.NOCI.HHN. ML:1 5.46764E-5 0.16 AML other m 2017-02-22T10:06:46.74
OT.TAR1.HHE. ML:0 0.0010623235 0.48 AML other m 2017-02-22T10:06:40.73
OT.TAR1.HHN. ML:0 0.0023118275 0.4032 AML other m 2017-02-22T10:06:40.90
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download