Earthquake with magnitude of Mw 4.5 on date 09-02-2014 and time 08:23:02 (UTC) in region Costa Greca Ionica (GRECIA)

A magnitude Mw 4.5 earthquake occured in region: Costa Greca Ionica (GRECIA), on

  • 09-02-2014 08:23:02 (UTC)
  • 09-02-2014 09:23:02 (UTC +01:00) Italian time
  • 09-02-2014 10:23:02 (UTC +02:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 38.2800, 20.2900 at 10 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
Rev200
mb 4.8
Mw 4.5
2014-02-09
08:23:02
38.28 20.29 10 2014-10-21
12:08:56
Sala Sismica INGV-Roma 5490621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-02-09 08:23:02
Latitude 38.2800
Longitude 20.2900
Depth (km) 10 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> AGENDA-INGV
Event type earthquake
Origin ID 5490621

Uncertainty

Field Value
Preferred uncertainty description
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 0.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 0
Number of associated phases, regardless of their use for origin computation 1
Number of defining phases 1
RMS of the travel time residuals of the arrivals used for the origin computation (sec)
Epicentral distance of station closest to the epicenter (degree)
Epicentral distance of station farthest from the epicenter (degree)
Number of stations at which the event was observed 0
Number of stations from which data was used for origin computation 0
Magnitudes information

Mw:4.5

Field Value
Value 4.5
Uncertainty
Num. used stations
Type of magnitude Mw
Reference to an origin 5490621
Agency INGV
Autore TDMT-INGV Revised
Time of creation (UTC) 2014-02-10 11:10:55

mb:4.8

Field Value
Value 4.8
Uncertainty 0.0
Num. used stations
Type of magnitude mb
Reference to an origin 5490621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-02-09 09:10:10
TDMT - Time Domain Moment Tensor

TDMT details

Field Value
MagnitudeMw 4.46
Scalar Moment6.11206E+22 dyne-cm
Computed depth9 km
QualityAa
Variance Reduction62.61%
Double Couple82%
CLVD18%
ISO0%
Model usedCIA
Modemanual
Statusreviewed

Moment Tensor Components

Component Value
Mrr-2.992E+20
Mtt5.24347E+22
Mpp-5.21355E+22
Mrt-1.84058E+22
Mrp-2.53043E+22
Mtp-6.9182E+21

Nodal Planes

Name Strike Dip Rake
PN14986-150
PN231760-4

Fault Plane solution

Focal Mechanism

psmeca (GMT documentation)

20.29 38.28 9 49 86 -150 317 60 -4 6.11206 22 20.79 38.78

TDMT references

More info and references

Station Distribution

Station Distribution

TDMT station details

Sta Dist Azi V R zcor
KEK 164.7 345.2 21.53% 200
AGG 196.2 64.6 71.84% 202
LIT 277.3 42.5 85.28% 212
LKD2 65 29.5 69.37% 189
THE 348 40.5 62.73% 220
ITM 189 129.8 63.25% 199
KTHA 333 131.6 61.31% 215
PAIG 345.8 56.8 38.78% 220
XOR 279.3 63.5 71.74% 211
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