Earthquake with magnitude of ML 2.5 on date 18-08-2009 and time 16:00:21 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 18-08-2009 16:00:21 (UTC)
  • 18-08-2009 18:00:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.7630, 15.5960 at 162 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
63 Km N of Messina (238439 inhabitants)
67 Km W of Lamezia Terme (70714 inhabitants)
73 Km N of Reggio di Calabria (183035 inhabitants)
82 Km SW of Cosenza (67546 inhabitants)
88 Km W of Catanzaro (90612 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 2.5 2009-08-18
16:00:21
38.763 15.596 162 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 950879
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-08-18 16:00:21 ± 0.14
Latitude 38.7630 ± 0.0081
Longitude 15.5960 ± 0.0196
Depth (km) 162 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 950879

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1656
Semi-minor axis of confidence ellipse (meter) 733
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 85
Circular confidence region, given by single value of horizontal uncertainty (meter) 1923.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 204
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.72580
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 8
Magnitude information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 950879
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:08:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MESG.HHE. 2009-08-18T16:01:32.38 10.0 undecidable manual Pg 0 0 0
MN.CUC.HHE. 2009-08-18T16:01:10.38 0.6 undecidable manual Sg 8 137.7621 0.014 41
IV.SOI.EHZ. 2009-08-18T16:01:04.21 0.6 undecidable manual Sg 152 86.247 0.451 42
IV.MPAZ.HHE. 2009-08-18T16:01:04.71 0.6 undecidable manual Sg 158 96.7254 -0.215 42
IV.PLAC.HHN. 2009-08-18T16:01:03.05 0.3 undecidable manual Sg 115 80.8635 -0.145 66
IV.STR3.BHZ. 2009-08-18T16:01:02.90 10.0 undecidable manual Sg 0 0 0
MN.CEL.HHZ. 2009-08-18T16:01:01.60 0.6 undecidable manual Sg 155 61.494 0.181 46
IV.MSCL.HHE. 2009-08-18T16:01:01.52 0.6 undecidable manual Sg 164 61.2942 0.115 46
IV.JOPP.HHN. 2009-08-18T16:00:59.38 0.3 undecidable manual Sg 125 30.5472 -0.115 74
IV.AMUR.HHN. 2009-08-18T16:00:59.12 10.0 undecidable manual Pg 0 0 0
IV.NOCI.HHE. 2009-08-18T16:00:58.95 10.0 undecidable manual Pg 0 0 0
IV.CRAC.EHZ. 2009-08-18T16:00:54.58 0.1 undecidable manual Pg 22 191.5638 0.066 64
MN.CUC.HHE. 2009-08-18T16:00:49.58 0.3 undecidable manual Pg 8 137.7621 0.04 60
IV.MPAZ.HHE. 2009-08-18T16:00:46.51 0.1 undecidable manual Pg 158 96.7254 0.114 87
IV.PLAC.HHN. 2009-08-18T16:00:45.42 0.1 undecidable manual Pg 115 80.8635 0.023 92
IV.SOI.EHZ. 2009-08-18T16:00:45.70 0.1 undecidable manual Pg 152 86.247 -0.025 91
IV.MSCL.HHE. 2009-08-18T16:00:44.26 0.1 undecidable manual Pg 164 61.2942 -0.103 94
MN.CEL.HHZ. 2009-08-18T16:00:44.19 0.1 undecidable manual Pg 155 61.494 -0.182 92
IV.JOPP.HHN. 2009-08-18T16:00:43.27 0.1 undecidable manual Pg 125 30.5472 0.008 100
IV.STR4.BHZ. 2009-08-18T15:59:57.31 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHZ. 2009-08-18T15:59:53.64 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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