Earthquake with magnitude of ML 1.7 on date 06-12-2009 and time 16:30:00 (UTC) in region Costa Calabra sud orientale (Reggio di Calabria)

A magnitude ML 1.7 earthquake occured in region: Costa Calabra sud orientale (Reggio di Calabria), on

  • 06-12-2009 16:30:00 (UTC)
  • 06-12-2009 17:30:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.0630, 16.4460 at 10 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
70 Km E of Reggio di Calabria (183035 inhabitants)
79 Km E of Messina (238439 inhabitants)
95 Km S 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
Md 1.8
ML 1.7
2009-12-06
16:30:00
38.063 16.446 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 996909
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-12-06 16:30:00 ± 0.27
Latitude 38.0630 ± 0.0108
Longitude 16.4460 ± 0.0160
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 996909

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1789
Semi-minor axis of confidence ellipse (meter) 632
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 310
Circular confidence region, given by single value of horizontal uncertainty (meter) 1843.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 253
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.30847
Epicentral distance of station farthest from the epicenter (degree) 0.47664
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:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 996909
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:05:53

Md:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 996909
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:05:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.CEL.HHZ. 2009-12-06T16:30:17.07 0.6 undecidable manual Sg 295 52.9026 0.029 49
IV.MPAZ.HHZ. 2009-12-06T16:30:14.04 0.1 undecidable manual Sg 252 40.2264 0.36 93
IV.PLAC.HHN. 2009-12-06T16:30:14.50 0.3 undecidable manual Sg 359 42.8238 0.132 73
IV.SOI.EHZ. 2009-12-06T16:30:11.68 0.6 undecidable manual Sg 272 34.2435 -0.382 47
MN.CEL.HHZ. 2009-12-06T16:30:09.79 0.3 undecidable manual Pg 295 52.9026 -0.147 71
IV.PLAC.HHN. 2009-12-06T16:30:08.41 0.1 undecidable manual Pg 359 42.8238 0.017 100
IV.MPAZ.HHZ. 2009-12-06T16:30:07.88 0.1 undecidable manual Pg 252 40.2264 -0.117 98
IV.SOI.EHZ. 2009-12-06T16:30:06.99 0.1 undecidable manual Pg 272 34.2435 -0.073 100
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