Earthquake with magnitude of mb 5.0 on date 11-12-2014 and time 23:24:23 (Italy) in region Costa Greca Ionica (GRECIA)

A magnitude mb 5.0 earthquake occured in region: Costa Greca Ionica (GRECIA), on

  • 11-12-2014 22:24:23 (UTC)
  • 11-12-2014 23:24:23 (UTC +01:00) Italian time
  • 12-12-2014 00:24:23 (UTC +02:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 38.4780, 20.4440 at 20 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
mb 5.0
Mw 4.5
2014-12-11
22:24:23
38.4776 20.4445 20 2014-12-11
22:35:46
Sala Sismica INGV-Roma 14604691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-12-11 22:24:23
Latitude 38.4776
Longitude 20.4445
Depth (km) 20 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 14604691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1364
Semi-minor axis of confidence ellipse (meter) 97
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 18
Circular confidence region, given by single value of horizontal uncertainty (meter) 1102.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125.719
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) 1.16899
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 14604691
Agency INGV
Autore TDMT-INGV Revised
Time of creation (UTC) 2014-12-16 14:01:20

mb:5.0

Field Value
Value 5.0
Uncertainty 0.3
Num. used stations 11
Type of magnitude mb
Reference to an origin 14604691
Agency INGV
Autore early-est_ee1.1.8
Time of creation (UTC) 2014-12-11 22:35:47
TDMT - Time Domain Moment Tensor

TDMT details

Field Value
MagnitudeMw 4.52
Scalar Moment7.54519E+22 dyne-cm
Computed depth27 km
QualityAa
Variance Reduction70.74%
Double Couple96%
CLVD4%
ISO0%
Model usedCIA
Modemanual
Statusreviewed

Moment Tensor Components

Component Value
Mrr-4.16829E+22
Mtt-2.44831E+22
Mpp6.6166E+22
Mrt-3.36871E+22
Mrp2.5485E+22
Mtp2.35191E+22

Nodal Planes

Name Strike Dip Rake
PN116065-134
PN24749-34

Fault Plane solution

Focal Mechanism

psmeca (GMT documentation)

20.4445 38.4776 27 160 65 -134 47 49 -34 7.54519 22 20.9445 38.9776

TDMT references

More info and references

Station Distribution

Station Distribution

TDMT station details

Sta Dist Azi V R zcor
AGRP 112 94.2 74.2% 193
ITM 194.4 137.4 69.74% 201
KEK 148.1 338 76.73% 200
SCTE 245.9 316.7 67.83% 210
MESG 323.6 317.2 64.01% 217
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