Earthquake with magnitude of ML 2.0 on date 25-01-2011 and time 08:42:19 (Italy) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 2.0 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 25-01-2011 07:42:19 (UTC)
  • 25-01-2011 08:42:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.9640, 15.7470 at 35 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
50 Km W of Lamezia Terme (70714 inhabitants)
57 Km SW of Cosenza (67546 inhabitants)
74 Km W of Catanzaro (90612 inhabitants)
87 Km N of Messina (238439 inhabitants)
95 Km N of Reggio di Calabria (183035 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 2.2
ML 2.0
2011-01-25
07:42:19
38.964 15.747 35 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1165289
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-01-25 07:42:19 ± 0.92
Latitude 38.9640 ± 0.0432
Longitude 15.7470 ± 0.0960
Depth (km) 35 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1165289

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 9419
Semi-minor axis of confidence ellipse (meter) 518
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 299
Circular confidence region, given by single value of horizontal uncertainty (meter) 9588.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 234
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) 0.69
Epicentral distance of station closest to the epicenter (degree) 0.46225
Epicentral distance of station farthest from the epicenter (degree) 0.92180
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:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1165289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:42:10

Md:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1165289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:42:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SOI.EHZ. 2011-01-25T07:42:49.65 0.1 undecidable manual Sg 165 102.3198 -0.037 100
MN.TIP.HHZ. 2011-01-25T07:42:47.57 0.1 undecidable manual Sg 74 90.243 0.472 94
IV.MSCL.HHE. 2011-01-25T07:42:45.26 0.6 undecidable manual Sg 177 81.252 0.113 51
IV.CAR1.HHN. 2011-01-25T07:42:37.11 0.3 undecidable manual Sg 51 51.3153 -0.724 69
IV.SOI.EHZ. 2011-01-25T07:42:37.01 0.1 undecidable manual Pg 165 102.3198 -0.1 99
MN.TIP.HHZ. 2011-01-25T07:42:34.95 0.1 undecidable manual Pg 74 90.243 -0.666 87
IV.MSCL.HHE. 2011-01-25T07:42:34.47 0.3 undecidable manual Pg 177 81.252 -0.018 79
IV.CAR1.HHN. 2011-01-25T07:42:31.09 0.1 undecidable manual Pg 51 51.3153 0.824 88
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
Waveforms Seismic signals in miniseed + resp format Download