Earthquake with magnitude of ML 1.8 on date 23-08-2010 and time 12:29:39 (Italy) in region 7 km NW Matera (MT)

A magnitude ML 1.8 earthquake occured in region: 7 km NW Matera (MT), on

  • 23-08-2010 10:29:39 (UTC)
  • 23-08-2010 12:29:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7230, 16.5530 at 32 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
Matera MT 7 60436 60436
Altamura BA 12 70396 130832
Gravina in Puglia BA 16 43872 174704
Miglionico MT 18 2510 177214
Santeramo in Colle BA 19 26734 203948
Grottole MT 20 2208 206156

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km NW of Matera (60436 inhabitants)
12 Km S of Altamura (70396 inhabitants)
45 Km S of Bitonto (55540 inhabitants)
52 Km SW of Bari (326344 inhabitants)
54 Km S of Molfetta (59874 inhabitants)
58 Km S of Bisceglie (55422 inhabitants)
60 Km SE of Andria (100440 inhabitants)
62 Km S of Trani (56217 inhabitants)
64 Km E of Potenza (67122 inhabitants)
64 Km W of Taranto (201100 inhabitants)
70 Km SE of Barletta (94814 inhabitants)
81 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
Md 1.8
ML 1.8
2010-08-23
10:29:39
40.723 16.553 32 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1101209
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-08-23 10:29:39 ± 0.23
Latitude 40.7230 ± 0.0063
Longitude 16.5530 ± 0.0107
Depth (km) 32 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1101209

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 744
Semi-minor axis of confidence ellipse (meter) 742
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
Circular confidence region, given by single value of horizontal uncertainty (meter) 1140.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46585
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1101209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 21:18:29

Md:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1101209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 21:18:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OFFI.HHZ. 2010-08-23T10:30:13.57 10.0 undecidable manual Pg 0 0 0
IV.ACER.HHZ. 2010-08-23T10:29:56.66 0.3 undecidable manual Sg 278 51.7038 -0.262 67
IV.MRVN.HHE. 2010-08-23T10:29:55.78 0.3 undecidable manual Sg 322 48.0186 -0.249 66
IV.NOCI.HHN. 2010-08-23T10:29:54.99 0.3 undecidable manual Sg 80 43.623 -0.028 72
IV.CRAC.EHE. 2010-08-23T10:29:54.78 0.6 undecidable manual Sg 194 40.9257 0.375 44
IV.LTRZ.EHZ. 2010-08-23T10:29:51.07 0.3 undecidable manual Sg 121 26.0517 -0.273 71
IV.AMUR.HHZ. 2010-08-23T10:29:50.80 0.3 undecidable manual Sg 12 20.868 0.338 71
IV.ACER.HHZ. 2010-08-23T10:29:49.75 0.3 undecidable manual Pg 278 51.7038 0.262 67
GE.MATE.HHZ. 2010-08-23T10:29:49.49 0.3 undecidable manual Sg 123 15.1737 -0.155 74
IV.NOCI.HHN. 2010-08-23T10:29:48.27 0.3 undecidable manual Pg 80 43.623 -0.118 70
IV.MRVN.HHE. 2010-08-23T10:29:48.94 0.3 undecidable manual Pg 322 48.0186 -0.032 70
IV.CRAC.EHE. 2010-08-23T10:29:47.94 0.3 undecidable manual Pg 194 40.9257 -0.094 72
IV.LTRZ.EHZ. 2010-08-23T10:29:46.14 0.3 undecidable manual Pg 121 26.0517 -0.127 73
IV.AMUR.HHZ. 2010-08-23T10:29:46.08 0.1 undecidable manual Pg 12 20.868 0.32 94
GE.MATE.HHZ. 2010-08-23T10:29:45.28 0.1 undecidable manual Pg 123 15.1737 -0.004 100
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