Earthquake with magnitude of ML 2.1 on date 05-05-2009 and time 21:31:06 (Italy) in region Mar Ionio Meridionale (MARE)

A magnitude ML 2.1 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 05-05-2009 19:31:06 (UTC)
  • 05-05-2009 21:31:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.4760, 16.0290 at 29 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
78 Km E of Acireale (52622 inhabitants)
78 Km SE of Reggio di Calabria (183035 inhabitants)
80 Km NE of Siracusa (122291 inhabitants)
83 Km E of Catania (314555 inhabitants)
90 Km SE of Messina (238439 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 2.1
2009-05-05
19:31:06
37.476 16.029 29 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 851759
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-05-05 19:31:06 ± 0.28
Latitude 37.4760 ± 0.0117
Longitude 16.0290 ± 0.0215
Depth (km) 29 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 851759

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1849
Semi-minor axis of confidence ellipse (meter) 1118
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 306
Circular confidence region, given by single value of horizontal uncertainty (meter) 2302.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 233
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.47754
Epicentral distance of station farthest from the epicenter (degree) 1.08548
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 851759
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:09:42

Md:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 851759
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:09:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HVZN.BHN. 2009-05-05T19:31:40.47 0.6 undecidable manual Sg 255 120.4905 -0.263 53
IV.HAVL.BHE. 2009-05-05T19:31:34.98 0.6 undecidable manual Sg 235 98.4237 -0.287 55
MN.CEL.HHZ. 2009-05-05T19:31:33.18 0.1 undecidable manual Sg 352 87.8454 0.685 100
IV.SSY.BHN. 2009-05-05T19:31:33.47 0.3 undecidable manual Sg 248 91.3419 0.062 87
IV.HCRL.BHZ. 2009-05-05T19:31:32.92 0.3 undecidable manual Sg 257 90.3429 -0.233 84
IV.SOI.EHZ. 2009-05-05T19:31:26.24 0.3 undecidable manual Sg 2 66.2781 -0.713 76
IV.HVZN.BHN. 2009-05-05T19:31:26.35 0.3 undecidable manual Pg 255 120.4905 0.275 79
IV.SSY.BHN. 2009-05-05T19:31:22.01 0.3 undecidable manual Pg 248 91.3419 0.161 85
IV.HAVL.BHE. 2009-05-05T19:31:22.97 0.3 undecidable manual Pg 235 98.4237 0.05 86
IV.HCRL.BHZ. 2009-05-05T19:31:21.96 0.3 undecidable manual Pg 257 90.3429 0.259 84
MN.CEL.HHZ. 2009-05-05T19:31:20.93 0.3 undecidable manual Pg 352 87.8454 -0.391 82
IV.SOI.EHZ. 2009-05-05T19:31:18.11 0.3 undecidable manual Pg 2 66.2781 -0.013 92
IV.MPAZ.BHN. 2009-05-05T19:31:16.13 0.6 undecidable manual Pg 358 53.0025 -0.061 63
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
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