Earthquake (quarry blast) with magnitude of ML 1.7 on date 18-04-2017 and time 07:24:30 (UTC) in region 8 km S Toritto (BA)

A magnitude ML 1.7 (quarry blast) earthquake occured in region: 8 km S Toritto (BA), on

  • 18-04-2017 07:24:30 (UTC)
  • 18-04-2017 09:24:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.9270, 16.6600 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
Toritto BA 8 8530 8530
Cassano delle Murge BA 10 14732 23262
Grumo Appula BA 11 12961 36223
Binetto BA 12 2234 38457
Altamura BA 14 70396 108853
Sannicandro di Bari BA 14 9957 118810
Bitetto BA 15 11971 130781
Palo del Colle BA 15 21651 152432
Acquaviva delle Fonti BA 16 20799 173231
Santeramo in Colle BA 17 26734 199965
Bitritto BA 19 11278 211243
Adelfia BA 20 17184 228427

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NE of Altamura (70396 inhabitants)
21 Km S of Bitonto (55540 inhabitants)
28 Km SW of Bari (326344 inhabitants)
29 Km N of Matera (60436 inhabitants)
31 Km S of Molfetta (59874 inhabitants)
38 Km SE of Bisceglie (55422 inhabitants)
44 Km SE of Trani (56217 inhabitants)
45 Km SE of Andria (100440 inhabitants)
54 Km SE of Barletta (94814 inhabitants)
70 Km NW of Taranto (201100 inhabitants)
74 Km SE of Cerignola (58396 inhabitants)
79 Km E of Potenza (67122 inhabitants)
100 Km SE of Manfredonia (57279 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 1.7 2017-04-18
07:24:30
40.9268 16.6602 0 2018-01-10
09:56:14
Bollettino Sismico Italiano INGV 50549351
Reviewed
Rev100
ML 1.7 2017-04-18
07:24:30
40.9215 16.659 7 2017-04-18
07:35:44
Sala Sismica INGV-Roma 44044051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-18 07:24:30 ± 0.35
Latitude 40.9268 ± 0.0216
Longitude 16.6602 ± 0.0214
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 50549351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2590
Semi-minor axis of confidence ellipse (meter) 1530
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 27
Circular confidence region, given by single value of horizontal uncertainty (meter) 2590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.96587
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.0
Num. used stations 1
Type of magnitude ML
Reference to an origin 44044051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-18 07:35:44

ML:1.7

Field Value
Value 1.7
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 50549351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-09-29 09:33:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EUCT.HNZ. 2017-04-18T07:26:13.31 3.0 negative manual Pn 8.05 0
IV.ZONE.HHZ. 2017-04-18T07:26:10.45 3.0 undecidable manual Pn 7.68 0
IV.T1219.EHZ. 2017-04-18T07:26:10.40 3.0 undecidable manual Sg 14.4 0
IV.VIVA.HHZ. 2017-04-18T07:25:43.71 3.0 undecidable manual Sn -2.57 0
IV.IMOL.HNZ. 2017-04-18T07:25:41.38 3.0 positive manual Pn 3.35 0
IV.PE3.EHZ. 2017-04-18T07:25:41.32 3.0 undecidable manual Pg 14.92 0
IV.MTRZ.HHZ. 2017-04-18T07:25:39.86 3.0 undecidable manual Pn -0.12 0
IV.VVLD.HHZ. 2017-04-18T07:25:36.66 3.0 undecidable manual Sg 4.55 0
IV.SFI.EHZ. 2017-04-18T07:25:32.53 3.0 undecidable manual Pn -0.67 0
IV.LIK.EHZ.01 2017-04-18T07:25:31.84 3.0 undecidable manual Sg 0.96 0
IV.T1212.EHZ. 2017-04-18T07:25:21.52 3.0 negative manual Pg 7.32 0
IV.ARRO.EHZ. 2017-04-18T07:25:15.56 3.0 undecidable manual Pn 0.11 0
IV.PP3.EHZ. 2017-04-18T07:25:13.89 3.0 undecidable manual Pn -1.45 0
CR.STON.BHZ. 2017-04-18T07:25:06.78 3.0 undecidable manual Pg 5.97 0
IV.MSAG.HHZ. 2017-04-18T07:24:50.36 0.6 undecidable manual P 325 107.2149 50 0.28 41
IV.PALZ.HHZ. 2017-04-18T07:24:41.53 0.3 undecidable manual P 272 58.6968 90 -0.96 54
IV.NOCI.HHZ. 2017-04-18T07:24:38.30 0.3 undecidable manual P 114 37.2294 90 0.12 73
IV.LTRZ.EHZ. 2017-04-18T07:24:38.17 0.1 undecidable manual P 160 38.3283 90 -0.23 95
IV.MIGL.HHZ. 2017-04-18T07:24:38.68 0.6 undecidable manual P 207 40.2264 90 -0.11 49
GE.MATE.HHZ. 2017-04-18T07:24:36.99 0.1 undecidable manual P 173 31.0467 90 0.04 100
IV.AMUR.HHZ. 2017-04-18T07:24:32.36 0.1 positive manual P 245 5.1948 91 0.59 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GE.MATE.HHE. ML:1.8 0.00027863675 0.3392 AML other m 2017-04-18T07:24:42.79
GE.MATE.HHN. ML:1.7 0.0002554339 0.7392 AML other m 2017-04-18T07:24:44.04
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