Earthquake with magnitude of ML 2.3 on date 20-02-2010 and time 03:31:27 (UTC) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 2.3 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 20-02-2010 03:31:27 (UTC)
  • 20-02-2010 04:31:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.4700, 15.8110 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Gioia Tauro RC 9 19864 19864
San Ferdinando RC 9 4490 24354
Palmi RC 13 18930 43284
Nicotera VV 14 6290 49574
Rizziconi RC 14 7829 57403
Joppolo VV 15 1926 59329
Rosarno RC 15 14841 74170
Seminara RC 16 2811 76981
Limbadi VV 17 3695 80676
Ricadi VV 18 4900 85576
MelicuccĂ  RC 20 930 86506
Spilinga VV 20 1464 87970

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NE of Messina (238439 inhabitants)
43 Km NE of Reggio di Calabria (183035 inhabitants)
72 Km SW of Lamezia Terme (70714 inhabitants)
84 Km SW of Catanzaro (90612 inhabitants)
99 Km SW of Cosenza (67546 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 2.3 2010-02-20
03:31:27
38.47 15.811 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1014389
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-02-20 03:31:27 ± 0.21
Latitude 38.4700 ± 0.0072
Longitude 15.8110 ± 0.0080
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1014389

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 719
Semi-minor axis of confidence ellipse (meter) 592
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 146
Circular confidence region, given by single value of horizontal uncertainty (meter) 1063.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 163
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.88763
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 10
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1014389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:27:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NOVE.EHN. 2010-02-20T03:33:03.76 10.0 undecidable manual Pg 0 0 0
IV.ILLI.HHZ. 2010-02-20T03:31:53.74 10.0 undecidable manual Sg 0 0 0
IV.TDS.SHZ. 2010-02-20T03:31:48.34 10.0 undecidable manual Sg 0 0 0
IV.MPAZ.HHN. 2010-02-20T03:31:47.02 0.6 undecidable manual Sg 163 59.7957 0.326 45
IV.GRI.EHZ. 2010-02-20T03:31:47.90 0.1 undecidable manual Sg 53 65.6898 -0.346 88
.PLAC.HHN. 2010-02-20T03:31:45.96 0.6 undecidable manual Sg 92 54.501 0.68 41
IV.SERS.HHN. 2010-02-20T03:31:45.83 0.3 undecidable manual Pg 50 98.5236 1.079 47
.MTTG.HHE. 2010-02-20T03:31:45.15 0.6 undecidable manual Sg 191 52.7028 0.359 45
IV.MILZ.HHZ. 2010-02-20T03:31:45.08 0.1 undecidable manual Sg 247 55.0005 -0.336 90
IV.SOI.EHZ. 2010-02-20T03:31:43.47 0.1 undecidable manual Sg 154 48.8178 -0.293 92
IV.ILLI.HHZ. 2010-02-20T03:31:42.81 10.0 undecidable manual Pg 0 0 0
IV.MMME.HHE. 2010-02-20T03:31:42.00 0.6 undecidable manual Pg 219 76.6677 0.612 40
IV.MSRU.HHZ. 2010-02-20T03:31:40.29 0.1 undecidable manual Sg 229 34.8429 0.254 95
IV.TDS.SHZ. 2010-02-20T03:31:39.70 10.0 undecidable manual Pg 0 0 0
IV.GRI.EHZ. 2010-02-20T03:31:39.46 0.1 undecidable manual Pg 53 65.6898 -0.227 90
IV.MPAZ.HHN. 2010-02-20T03:31:38.63 0.3 undecidable manual Pg 163 59.7957 -0.16 69
IV.MILZ.HHZ. 2010-02-20T03:31:37.91 0.1 undecidable manual Pg 247 55.0005 -0.143 94
.PLAC.HHN. 2010-02-20T03:31:37.92 0.1 undecidable manual Pg 92 54.501 -0.054 96
.MTTG.HHE. 2010-02-20T03:31:37.71 0.3 undecidable manual Pg 191 52.7028 0.018 72
IV.SOI.EHZ. 2010-02-20T03:31:36.85 0.1 undecidable manual Pg 154 48.8178 -0.249 93
.CEL.HHN. 2010-02-20T03:31:36.86 0.3 undecidable manual Sg 163 24.3534 -0.246 73
IV.MSRU.HHZ. 2010-02-20T03:31:34.95 0.1 undecidable manual Pg 229 34.8429 0.004 100
.CEL.HHN. 2010-02-20T03:31:33.46 0.1 undecidable manual Pg 163 24.3534 0.205 98
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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