Earthquake with magnitude of ML 2.0 on date 08-08-2009 and time 09:16:56 (Italy) in region Costa Siracusana (Siracusa)

A magnitude ML 2.0 earthquake occured in region: Costa Siracusana (Siracusa), on

  • 08-08-2009 07:16:56 (UTC)
  • 08-08-2009 09:16:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.1160, 15.6210 at 30 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
30 Km E of Siracusa (122291 inhabitants)
64 Km SE of Catania (314555 inhabitants)
68 Km SE of Acireale (52622 inhabitants)
81 Km E of Modica (54633 inhabitants)
82 Km E of Ragusa (73313 inhabitants)
98 Km E of Vittoria (63339 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 2.0
ML 2.0
2009-08-08
07:16:56
37.116 15.621 30 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 944709
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-08-08 07:16:56 ± 0.12
Latitude 37.1160 ± 0.0243
Longitude 15.6210 ± 0.0135
Depth (km) 30 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 944709

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2892
Semi-minor axis of confidence ellipse (meter) 381
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 202
Circular confidence region, given by single value of horizontal uncertainty (meter) 2954.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 333
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.42718
Epicentral distance of station farthest from the epicenter (degree) 0.72395
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 944709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:01:11

Md:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 944709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:01:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HVZN.HHE. 2009-08-08T07:17:20.77 0.3 undecidable manual Sg 275 80.364 -0.058 70
IV.HAVL.HHE. 2009-08-08T07:17:12.62 0.3 undecidable manual Sg 249 47.4192 0.019 75
IV.SSY.HHE. 2009-08-08T07:17:12.91 0.3 undecidable manual Sg 276 48.618 0.033 75
IV.HVZN.HHE. 2009-08-08T07:17:10.51 0.1 undecidable manual Pg 275 80.364 0.074 93
IV.HAVL.HHE. 2009-08-08T07:17:05.66 0.1 undecidable manual Pg 249 47.4192 -0.026 100
IV.SSY.HHE. 2009-08-08T07:17:05.80 0.1 undecidable manual Pg 276 48.618 -0.045 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
Waveforms Seismic signals in miniseed + resp format Download