Earthquake with magnitude of ML 2.3 on date 20-02-2010 and time 03:31:45 (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 03:31:45 (UTC)
  • 20-02-2010 04:31:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.4580, 15.8040 at 9 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 10 4490 24354
Palmi RC 12 18930 43284
Rizziconi RC 14 7829 51113
Seminara RC 15 2811 53924
Nicotera VV 15 6290 60214
Rosarno RC 16 14841 75055
Joppolo VV 16 1926 76981
Limbadi VV 18 3695 80676
MelicuccĂ  RC 19 930 81606
Bagnara Calabra RC 19 10255 91861
Ricadi VV 19 4900 96761

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NE of Messina (238439 inhabitants)
41 Km NE of Reggio di Calabria (183035 inhabitants)
73 Km SW of Lamezia Terme (70714 inhabitants)
85 Km SW 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
ML 2.3 2010-02-20
03:31:45
38.458 15.804 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1014399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-02-20 03:31:45 ± 0.31
Latitude 38.4580 ± 0.0135
Longitude 15.8040 ± 0.0092
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1014399

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1461
Semi-minor axis of confidence ellipse (meter) 697
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 168
Circular confidence region, given by single value of horizontal uncertainty (meter) 1700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 203
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67899
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 8
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1014399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:27:53
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
.PLAC.HHN. 2010-02-20T03:32:03.24 0.6 undecidable manual Sg 91 55.1004 0.592 43
IV.MILZ.HHZ. 2010-02-20T03:32:02.20 0.6 undecidable manual Sg 248 54.0015 -0.164 48
IV.SOI.EHZ. 2010-02-20T03:32:00.58 0.6 undecidable manual Sg 153 47.9187 -0.169 48
IV.MMME.HHE. 2010-02-20T03:31:59.23 0.6 undecidable manual Pg 220 75.369 0.899 36
IV.SERS.HHN. 2010-02-20T03:31:59.65 10.0 undecidable manual Pg 0 0 0
IV.MSRU.HHZ. 2010-02-20T03:31:57.07 0.3 undecidable manual Sg 230 33.6441 0.151 74
IV.MPAZ.HHN. 2010-02-20T03:31:55.90 0.6 undecidable manual Pg 162 58.7967 0.12 48
.PLAC.HHN. 2010-02-20T03:31:54.93 0.1 undecidable manual Pg 91 55.1004 -0.281 93
.MTTG.HHE. 2010-02-20T03:31:54.76 0.3 undecidable manual Pg 190 51.3153 0.125 72
IV.MILZ.HHZ. 2010-02-20T03:31:54.81 0.3 undecidable manual Pg 248 54.0015 -0.237 70
IV.SOI.EHZ. 2010-02-20T03:31:53.71 0.3 undecidable manual Pg 153 47.9187 -0.404 69
.CEL.HHN. 2010-02-20T03:31:53.55 0.3 undecidable manual Sg 160 23.3544 -0.185 75
IV.ILLI.HHZ. 2010-02-20T03:31:53.74 10.0 undecidable manual Sg 0 0 0
IV.MSRU.HHZ. 2010-02-20T03:31:51.80 0.1 undecidable manual Pg 230 33.6441 -0.103 100
.CEL.HHN. 2010-02-20T03:31:50.34 0.1 undecidable manual Pg 160 23.3544 0.276 98
IV.ILLI.HHZ. 2010-02-20T03:31:42.81 10.0 undecidable manual Pg 0 0 0
IV.TDS.SHZ. 2010-02-20T03:31:39.88 10.0 undecidable manual Sg 0 0 0
IV.GRI.EHZ. 2010-02-20T03:31:39.72 10.0 undecidable manual Pg 0 0 0
IV.TDS.SHZ. 2010-02-20T03:31:15.14 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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