Earthquake with magnitude of ML 4.1 on date 03-12-2013 and time 22:19:14 (Italy) in region Costa Greca Ionica (GRECIA)

A magnitude ML 4.1 earthquake occured in region: Costa Greca Ionica (GRECIA), on

  • 03-12-2013 21:19:14 (UTC)
  • 03-12-2013 22:19:14 (UTC +01:00) Italian time
  • 03-12-2013 23:19:14 (UTC +02:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 37.7400, 20.9660 at 49 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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

No Italian municipalities within 100 km from the epicenter with at least 50000 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
Reviewed
Rev100
ML 4.1 2013-12-03
21:19:14
37.7402 20.9658 49 2014-10-21
12:08:56
Sala Sismica INGV-Roma 4908961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-12-03 21:19:14 ± 0.2
Latitude 37.7402 ± 0.0000
Longitude 20.9658 ± 0.0091
Depth (km) 49 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 4908961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 779
Semi-minor axis of confidence ellipse (meter) 299
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 90
Circular confidence region, given by single value of horizontal uncertainty (meter) 780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 353
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 4.62791
Epicentral distance of station farthest from the epicenter (degree) 5.58569
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:4.1

Field Value
Value 4.1
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 4908961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-12-03 21:33:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HBSP.HHZ. 2013-12-03T21:21:25.79 0.3 undecidable manual S 265 574.1919 91 0.03 76
IV.HVZN.HHZ. 2013-12-03T21:21:21.32 0.3 undecidable manual S 265 553.8234 91 -0.05 78
IV.MEU.SHZ. 2013-12-03T21:21:19.05 0.3 undecidable manual S 264 544.9434 91 -0.41 73
IV.HPAC.HHZ. 2013-12-03T21:21:16.95 0.6 undecidable manual S 259 535.9635 91 -0.57 47
IV.HAVL.HHZ. 2013-12-03T21:21:14.84 0.3 undecidable manual S 262 522.4881 91 0.22 79
IV.HAGA.HHZ. 2013-12-03T21:21:12.96 0.3 undecidable manual S 266 513.6969 91 0.23 79
IV.CLTA.HHZ. 2013-12-03T21:20:37.29 0.1 undecidable manual P 266 620.0127 91 1.2 64
IV.HBSP.HHZ. 2013-12-03T21:20:30.41 0.6 undecidable manual P 265 574.1919 91 0.02 51
IV.HVZN.HHZ. 2013-12-03T21:20:27.65 0.3 positive manual P 265 553.8234 91 -0.2 75
IV.HMDC.HHZ. 2013-12-03T21:20:27.41 0.1 undecidable manual P 263 551.9364 91 -0.22 100
IV.MEU.SHZ. 2013-12-03T21:20:26.20 0.6 undecidable manual P 264 544.9434 91 -0.55 46
IV.HPAC.HHZ. 2013-12-03T21:20:26.22 0.1 undecidable manual P 259 535.9635 91 0.59 95
IV.HAVL.HHZ. 2013-12-03T21:20:23.87 0.6 negative manual P 262 522.4881 91 -0.09 53
IV.HAGA.HHZ. 2013-12-03T21:20:22.18 0.1 undecidable manual P 266 513.6969 91 -0.69 91
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAVL.HHN. ML:4.0 0.00022899999999999998 0.24 AML other m 2013-12-03T21:21:17.53
IV.HAVL.HHE. ML:4.0 0.0002485 1.24 AML other m 2013-12-03T21:21:17.53
IV.HMDC.HHN. ML:4.0 0.000209 1.26 AML other m 2013-12-03T21:21:25.06
IV.HMDC.HHE. ML:3.8 0.000146 0.82 AML other m 2013-12-03T21:21:26.49
IV.HVZN.HHE. ML:4.5 0.000653 1.58 AML other m 2013-12-03T21:21:25.68
IV.HVZN.HHN. ML:4.6 0.0008495 0.6 AML other m 2013-12-03T21:21:28.88
IV.MEU.SHE. ML:0.0 0.00020050000000000002 1.56 AML other m 2013-12-03T21:21:28.01
IV.MEU.SHN. ML:0.0 0.000265 1.48 AML other m 2013-12-03T21:21:22.25
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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