Earthquake with magnitude of ML 1.7 on date 03-04-2011 and time 17:34:52 (Italy) in region Costa Ionica Crotonese (Crotone)

A magnitude ML 1.7 earthquake occured in region: Costa Ionica Crotonese (Crotone), on

  • 03-04-2011 15:34:52 (UTC)
  • 03-04-2011 17:34:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.9180, 16.9480 at 5 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
Botricello CZ 8 5220 5220
Cutro KR 13 10541 15761
Isola di Capo Rizzuto KR 14 17643 33404
Cropani CZ 15 4778 38182
Marcedusa CZ 16 448 38630
Sellia Marina CZ 18 7513 46143
Belcastro CZ 18 1399 47542
Andali CZ 19 769 48311

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SW of Crotone (62178 inhabitants)
31 Km E of Catanzaro (90612 inhabitants)
55 Km E of Lamezia Terme (70714 inhabitants)
73 Km SE 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 2.0
ML 1.7
2011-04-03
15:34:52
38.918 16.948 5 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1191289
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-04-03 15:34:52 ± 0.07
Latitude 38.9180 ± 0.0027
Longitude 16.9480 ± 0.0035
Depth (km) 5 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1191289

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 245
Semi-minor axis of confidence ellipse (meter) 238
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 352
Circular confidence region, given by single value of horizontal uncertainty (meter) 424.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 329
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.05
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.66190
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1191289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:16:54

Md:2.0

Field Value
Value 2.0
Uncertainty 0.0
Num. used stations
Type of magnitude Md
Reference to an origin 1191289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:16:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAR1.HHE. 2011-04-03T15:35:15.54 0.6 undecidable manual Sg 301 73.4709 -0.035 46
IV.CAR1.HHE. 2011-04-03T15:35:05.73 0.6 undecidable manual Pg 301 73.4709 0.06 45
MN.TIP.HHZ. 2011-04-03T15:35:03.82 0.1 undecidable manual Sg 331 33.2445 0.01 99
IV.VCEL.EHZ. 2011-04-03T15:35:01.90 10.0 undecidable manual Pg 0 0 0
IV.SERS.HHZ. 2011-04-03T15:35:01.29 0.1 undecidable manual Sg 300 25.8519 0.005 100
MN.TIP.HHZ. 2011-04-03T15:34:58.86 0.1 undecidable manual Pg 331 33.2445 -0.019 98
IV.SERS.HHZ. 2011-04-03T15:34:57.41 0.1 undecidable manual Pg 300 25.8519 -0.01 100
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