Earthquake with magnitude of ML 2.0 on date 09-08-2011 and time 21:40:09 (Italy) in region 9 km W Cotronei (KR)

A magnitude ML 2.0 earthquake occured in region: 9 km W Cotronei (KR), on

  • 09-08-2011 19:40:09 (UTC)
  • 09-08-2011 21:40:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.2220, 16.6040 at 21 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
Cotronei KR 9 5480 5480
San Giovanni in Fiore CS 9 17372 22852
Castelsilano KR 15 1015 23867
Caccuri KR 15 1663 25530
Cerenzia KR 16 1152 26682
Parenti CS 18 2188 28870
Savelli KR 18 1271 30141

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Cosenza (67546 inhabitants)
35 Km N of Catanzaro (90612 inhabitants)
37 Km NE of Lamezia Terme (70714 inhabitants)
48 Km W of Crotone (62178 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 2.1
ML 2.0
2011-08-09
19:40:09
39.222 16.604 21 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1270319
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-08-09 19:40:09 ± 0.18
Latitude 39.2220 ± 0.0063
Longitude 16.6040 ± 0.0104
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1270319

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 714
Semi-minor axis of confidence ellipse (meter) 634
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 110
Circular confidence region, given by single value of horizontal uncertainty (meter) 1140.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.81928
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1270319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:04:42

Md:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 1270319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:04:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLAC.HHE. 2011-08-09T19:40:35.68 0.3 undecidable manual Sg 190 86.8464 0.662 56
IV.SALB.HHZ. 2011-08-09T19:40:32.20 0.6 undecidable manual Sg 343 75.9684 0.057 44
IV.MMN.HHE. 2011-08-09T19:40:25.19 0.3 undecidable manual Pg 325 90.9423 0.455 60
IV.PLAC.HHE. 2011-08-09T19:40:24.03 0.3 undecidable manual Pg 190 86.8464 -0.08 64
IV.GRI.EHZ. 2011-08-09T19:40:24.49 0.1 undecidable manual Sg 200 47.1195 -0.091 92
IV.SALB.HHZ. 2011-08-09T19:40:21.88 0.6 undecidable manual Pg 343 75.9684 -0.57 39
IV.PIPA.HHE. 2011-08-09T19:40:21.89 0.3 undecidable manual Sg 32 34.4433 0.516 65
IV.CAR1.HHZ. 2011-08-09T19:40:21.43 0.3 undecidable manual Sg 276 33.9438 0.171 70
IV.SERS.HHZ. 2011-08-09T19:40:18.48 0.1 undecidable manual Sg 161 21.867 0.039 98
IV.GRI.EHZ. 2011-08-09T19:40:17.95 0.3 undecidable manual Pg 200 47.1195 -0.133 69
MN.TIP.HHZ. 2011-08-09T19:40:16.89 0.1 undecidable manual Sg 109 14.0748 -0.026 100
IV.CAR1.HHZ. 2011-08-09T19:40:15.81 0.3 undecidable manual Pg 276 33.9438 -0.355 67
IV.PIPA.HHE. 2011-08-09T19:40:15.99 0.1 undecidable manual Pg 32 34.4433 -0.242 92
IV.SERS.HHZ. 2011-08-09T19:40:14.45 0.3 undecidable manual Pg 161 21.867 -0.085 73
MN.TIP.HHZ. 2011-08-09T19:40:13.54 0.1 undecidable manual Pg 109 14.0748 -0.121 98
IV.SBPO.HHZ. 2011-08-09T19:40:12.59 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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