Earthquake with magnitude of ML 1.8 on date 23-07-2010 and time 22:09:18 (Italy) in region 3 km SE Altamura (BA)

A magnitude ML 1.8 earthquake occured in region: 3 km SE Altamura (BA), on

  • 23-07-2010 20:09:18 (UTC)
  • 23-07-2010 22:09:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.8050, 16.5720 at 7 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
Altamura BA 3 70396 70396
Gravina in Puglia BA 13 43872 114268
Matera MT 15 60436 174704
Santeramo in Colle BA 15 26734 201438
Cassano delle Murge BA 19 14732 216170

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km SE of Altamura (70396 inhabitants)
15 Km N of Matera (60436 inhabitants)
36 Km S of Bitonto (55540 inhabitants)
44 Km SW of Bari (326344 inhabitants)
45 Km S of Molfetta (59874 inhabitants)
49 Km S of Bisceglie (55422 inhabitants)
52 Km SE of Andria (100440 inhabitants)
54 Km S of Trani (56217 inhabitants)
62 Km SE of Barletta (94814 inhabitants)
67 Km NW of Taranto (201100 inhabitants)
67 Km E of Potenza (67122 inhabitants)
76 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 2.2
ML 1.8
2010-07-23
20:09:18
40.805 16.572 7 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1087779
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-07-23 20:09:18 ± 0.24
Latitude 40.8050 ± 0.0108
Longitude 16.5720 ± 0.0083
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1087779

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1198
Semi-minor axis of confidence ellipse (meter) 570
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 162
Circular confidence region, given by single value of horizontal uncertainty (meter) 1389.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 223
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 12
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.82288
Number of stations at which the event was observed 12
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 1087779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 21:01:01

Md:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1087779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 21:01:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SIRI.HHN. 2010-07-23T20:09:46.56 10.0 undecidable manual Pg 0 0 0
IV.MTSN.HHN. 2010-07-23T20:09:46.45 0.6 undecidable manual Sg 229 91.3419 0.178 43
IV.STR4.BHE. 2010-07-23T20:09:42.84 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHE. 2010-07-23T20:09:41.90 10.0 undecidable manual Pg 0 0 0
IV.SGO.SHZ. 2010-07-23T20:09:39.10 10.0 undecidable manual Pg 0 0 0
IV.ACER.HHE. 2010-07-23T20:09:36.38 10.0 undecidable manual Sg 0 0 0
IV.CRAC.EHN. 2010-07-23T20:09:35.44 0.6 undecidable manual Sg 193 50.1165 0.169 47
IV.MTSN.HHN. 2010-07-23T20:09:34.75 0.3 undecidable manual Pg 229 91.3419 0.21 65
IV.SCHR.EHN. 2010-07-23T20:09:32.66 0.6 undecidable manual Pg 212 79.1652 0.003 46
IV.ACER.HHE. 2010-07-23T20:09:32.68 10.0 undecidable manual Pg 0 0 0
IV.LTRZ.EHZ. 2010-07-23T20:09:29.18 0.3 undecidable manual Sg 137 30.5472 -0.205 73
IV.MIGL.HHN. 2010-07-23T20:09:27.48 0.3 undecidable manual Sg 206 24.8529 0.027 76
IV.CRAC.EHN. 2010-07-23T20:09:27.56 0.3 undecidable manual Pg 193 50.1165 -0.622 63
GE.MATE.HHE. 2010-07-23T20:09:26.18 0.1 undecidable manual Sg 147 20.5683 0.131 100
IV.NOCI.HHN. 2010-07-23T20:09:26.92 0.3 undecidable manual Pg 92 41.4252 0.081 73
IV.LTRZ.EHZ. 2010-07-23T20:09:24.73 0.1 undecidable manual Pg 137 30.5472 -0.061 100
GE.MATE.HHE. 2010-07-23T20:09:23.10 0.1 negative manual Pg 147 20.5683 0.24 98
IV.MIGL.HHN. 2010-07-23T20:09:23.53 0.1 undecidable manual Pg 206 24.8529 -0.139 99
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