Earthquake with magnitude of ML 1.5 on date 20-02-2010 and time 03:50:23 (Italy) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 1.5 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 20-02-2010 02:50:23 (UTC)
  • 20-02-2010 03:50:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.4730, 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 13 18930 43284
Nicotera VV 14 6290 49574
Joppolo VV 15 1926 51500
Rizziconi RC 15 7829 59329
Rosarno RC 16 14841 74170
Seminara RC 16 2811 76981
Limbadi VV 17 3695 80676
Ricadi VV 18 4900 85576
Spilinga VV 20 1464 87040

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
Md 1.9
ML 1.5
2010-02-20
02:50:23
38.473 15.804 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1014359
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-02-20 02:50:23 ± 0.21
Latitude 38.4730 ± 0.0081
Longitude 15.8040 ± 0.0080
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 1014359

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 875
Semi-minor axis of confidence ellipse (meter) 445
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 156
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) 168
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.59445
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1014359
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:27:50

Md:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1014359
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:27:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CDCA.EHE. 2010-02-20T02:51:04.55 10.0 undecidable manual Pg 0 0 0
IV.ZCCA.HHE. 2010-02-20T02:50:49.16 10.0 undecidable manual Pg 0 0 0
IV.GRI.EHN. 2010-02-20T02:50:43.45 0.6 undecidable manual Sg 54 65.9895 -0.119 47
.PLAC.HHE. 2010-02-20T02:50:41.37 0.6 undecidable manual Sg 93 55.2003 0.681 41
IV.MILZ.HHE. 2010-02-20T02:50:40.45 0.6 undecidable manual Sg 246 54.6009 -0.07 48
IV.SOI.EHZ. 2010-02-20T02:50:38.92 0.6 undecidable manual Sg 154 49.4172 -0.226 47
IV.MSRU.HHZ. 2010-02-20T02:50:35.42 0.6 undecidable manual Sg 228 34.6431 0.23 48
IV.GRI.EHN. 2010-02-20T02:50:34.61 0.3 undecidable manual Pg 54 65.9895 -0.274 68
IV.TDS.SHZ. 2010-02-20T02:50:34.73 10.0 undecidable manual Pg 0 0 0
IV.MILZ.HHE. 2010-02-20T02:50:33.09 0.3 undecidable manual Pg 246 54.6009 -0.034 73
.PLAC.HHE. 2010-02-20T02:50:33.26 0.3 undecidable manual Pg 93 55.2003 0.038 73
IV.SOI.EHZ. 2010-02-20T02:50:32.03 0.3 undecidable manual Pg 154 49.4172 -0.3 70
MN.CEL.HHZ. 2010-02-20T02:50:31.98 0.3 undecidable manual Sg 162 24.8529 -0.202 74
IV.MSRU.HHZ. 2010-02-20T02:50:30.11 0.1 undecidable manual Pg 228 34.6431 0.063 100
MN.CEL.HHZ. 2010-02-20T02:50:28.60 0.1 undecidable manual Pg 162 24.8529 0.289 97
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