Earthquake (quarry blast) with magnitude of ML 1.5 on date 06-09-2018 and time 09:24:26 (UTC) in region 1 km S Crispiano (TA)

A magnitude ML 1.5 (quarry blast) earthquake occured in region: 1 km S Crispiano (TA), on

  • 06-09-2018 09:24:26 (UTC)
  • 06-09-2018 11:24:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.593, 17.234 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
Crispiano TA 2 13802 13802
Statte TA 4 13983 27785
Montemesola TA 9 3949 31734
Massafra TA 10 33003 64737
Taranto TA 13 201100 265837
Martina Franca TA 15 49118 314955
Monteiasi TA 16 5623 320578
Palagiano TA 17 16067 336645
Mottola TA 17 15997 352642
Grottaglie TA 18 32234 384876
San Giorgio Ionico TA 20 15344 400220
Locorotondo BA 20 14162 414382
Carosino TA 20 7010 421392

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km N of Taranto (201100 inhabitants)
54 Km E of Matera (60436 inhabitants)
60 Km W of Brindisi (88302 inhabitants)
63 Km E of Altamura (70396 inhabitants)
67 Km SE of Bari (326344 inhabitants)
73 Km SE of Bitonto (55540 inhabitants)
84 Km W of Lecce (94773 inhabitants)
86 Km SE of Molfetta (59874 inhabitants)
95 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
Bulletin
Rev1000
ML 1.5 2018-09-06
09:24:26
40.5928 17.2337 1 2019-06-04
09:15:52
Bollettino Sismico Italiano INGV 60628841
Reviewed
Rev100
ML 1.8 2018-09-06
09:24:26
40.5623 17.244 7 2018-09-06
09:45:23
Sala Sismica INGV-Roma 60625431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-06 09:24:26 ± 0.31
Latitude 40.5928 ± 0.0279
Longitude 17.2337 ± 0.0296
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 60628841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3570
Semi-minor axis of confidence ellipse (meter) 1710
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 36
Circular confidence region, given by single value of horizontal uncertainty (meter) 3570
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
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) 0.54
Epicentral distance of station closest to the epicenter (degree) 0.07734
Epicentral distance of station farthest from the epicenter (degree) 0.57107
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 4
Type of magnitude ML
Reference to an origin 60628841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-02 11:06:46

ML:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 60625431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-06 09:45:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.AMUR.HHE. 2018-09-06T09:24:38.60 0.3 undecidable manual P 304 0.5711 50 -0.9 54
IV.MESG.HNN. 2018-09-06T09:24:37.03 0.6 undecidable manual P 90 0.4685 91 -0.34 45
GE.MATE.HHZ. 2018-09-06T09:24:35.73 0.6 undecidable manual P 278 0.4056 91 -0.25 46
IV.LTRZ.EHZ. 2018-09-06T09:24:34.21 0.6 positive manual P 272 0.3148 91 0.25 47
IV.NOCI.HHZ. 2018-09-06T09:24:32.90 0.3 undecidable manual P 327 0.2338 91 0.73 62
OT.TAR1.HHZ. 2018-09-06T09:24:28.87 0.1 positive manual P 150 0.0773 93 0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.TAR1.HHE. ML:0 0.007397461 0.2816 AML other m 2018-09-06T09:24:31.32
OT.TAR1.HHN. ML:0 0.002806005 0.2432 AML other m 2018-09-06T09:24:31.48
IV.LTRZ.EHE. ML:1.1 5.608611E-5 0.2368 AML other m 2018-09-06T09:24:40.47
IV.LTRZ.HNN. ML:1.6 0.0001491155 0.2624 AML other m 2018-09-06T09:24:41.87
IV.NOCI.HHN. ML:1.7 0.0002889014 0.32 AML other m 2018-09-06T09:24:41.73
IV.NOCI.HHE. ML:1.7 0.00030488515 0.6592 AML other m 2018-09-06T09:24:43.77
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