Earthquake with magnitude of ML 1.5 on date 21-12-2010 and time 09:12:28 (UTC) in region 8 km E Matera (MT)

A magnitude ML 1.5 earthquake occured in region: 8 km E Matera (MT), on

  • 21-12-2010 09:12:28 (UTC)
  • 21-12-2010 10:12:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.6770, 16.6980 at 8 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 8 60436 60436
Laterza TA 11 15290 75726
Ginosa TA 12 22632 98358
Santeramo in Colle BA 14 26734 125092
Montescaglioso MT 14 9942 135034

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km E of Matera (60436 inhabitants)
21 Km SE of Altamura (70396 inhabitants)
48 Km S of Bitonto (55540 inhabitants)
51 Km W of Taranto (201100 inhabitants)
52 Km S of Bari (326344 inhabitants)
59 Km S of Molfetta (59874 inhabitants)
65 Km S of Bisceglie (55422 inhabitants)
70 Km SE of Andria (100440 inhabitants)
71 Km SE of Trani (56217 inhabitants)
75 Km E of Potenza (67122 inhabitants)
80 Km SE of Barletta (94814 inhabitants)
93 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 1.5
2010-12-21
09:12:28
40.677 16.698 8 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1152939
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-12-21 09:12:28 ± 0.26
Latitude 40.6770 ± 0.0090
Longitude 16.6980 ± 0.0107
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1152939

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 810
Semi-minor axis of confidence ellipse (meter) 745
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 293
Circular confidence region, given by single value of horizontal uncertainty (meter) 1345.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.02788
Epicentral distance of station farthest from the epicenter (degree) 0.29947
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1152939
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:25:48

Md:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1152939
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:25:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AMUR.HHN. 2010-12-21T09:12:38.08 0.3 undecidable manual Sg 343 26.751 0.049 75
IV.MIGL.HHZ. 2010-12-21T09:12:37.18 0.3 undecidable manual Sg 250 23.0547 0.357 71
IV.NOCI.HHN. 2010-12-21T09:12:35.41 0.1 undecidable manual Pg 68 33.2445 0.218 95
IV.MIGL.HHZ. 2010-12-21T09:12:33.02 0.1 undecidable manual Pg 250 23.0547 -0.223 97
IV.AMUR.HHN. 2010-12-21T09:12:33.79 0.3 undecidable manual Pg 343 26.751 -0.15 73
GE.MATE.HHZ. 2010-12-21T09:12:31.41 0.3 undecidable manual Sg 170 3.0969 0.094 77
GE.MATE.HHZ. 2010-12-21T09:12:29.83 0.1 undecidable manual Pg 170 3.0969 -0.235 100
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