M 6.8 in Greece on 25 Oct 2018 22:54 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 6.8M
Depth: 14 Km
Event Date: 25 Oct 2018 22:54 UTC
25 Oct 2018 23:54 Local
Exposed Population: About 7000 people in MMI
230000 people within 100km
Source: NEIC us1000hhb1
Inserted at: 25 Oct 2018 23:59 UTC
INFORM Coping capacity of the alert score:
2.5 (Greece)
Maximun Wave Height observed: 0.12 m

GDACS Score

For more info on GDACS score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0.3 0.5 0.5
us1000hhb1 Scaled population (vector) 2.65 Max wave alert 0.12m  
  C1 shakemap -0.59 Max wave realtime 0.54m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 0.69      
Maximum expected impact using different data sources.
Click on images to zoom it.

Episode Timeline

IDLevelScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1232986 0.4 25 Oct 2018 22:54 6.5M, 10km N/A 220 thousand (in 100km) 0.4m (at 00:07) 00:04 NOAIG
1232990 0.2 25 Oct 2018 22:54 6.7M, 10km N/A 240 thousand (in 100km) 0.1m (at 01:10) 00:06 GEOFON
1232995 0.4 25 Oct 2018 22:54 6.5M, 10km N/A 220 thousand (in 100km) 0.4m (at 00:07) 00:07 EMSC
1233000 0.4 25 Oct 2018 22:54 6.8M, 16.55km 6.91 8 thousand (in MMI>=VII) 0.5m (at 00:06) 00:20 NEIC
1233011 0.1 25 Oct 2018 22:54 6.4M, 5km N/A 250 thousand (in 100km) 0m (at 00:00) 00:36 NOAIG
1233015 0.7 25 Oct 2018 22:54 6.8M, 10km N/A 250 thousand (in 100km) 0.7m (at 00:05) 00:39 EMSC
1233019 0.5 25 Oct 2018 22:54 6.8M, 14km 7 7 thousand (in MMI>=VII) 0.5m (at 00:06) 01:04 NEIC
The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.
The episode that has the last updated information.
* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Estimated Tsunami affected locations

The maximum observed wave height is 0.12m in Kyparissia (Greece);
The maximum Wave height is  0.1m in Skinaria, Greece. This height is estimated for 25-Oct-2018 22:58:14.

Level Date (UTC) Name Country Wave height (m)
25-Oct-2018 22:58:14 Skinaria Greece  0.1
25-Oct-2018 23:02:99 Loutraki Aitolia kai Acamania Greece  0.1
26-Oct-2018 00:05:86 Villaggio Turistico Alimini Italy  0.1
25-Oct-2018 22:57:14 Sakynthos Greece  0.1
26-Oct-2018 00:12:42 Levkas Greece  0.1
25-Oct-2018 23:57:75 Poros Greece  0.1
25-Oct-2018 23:00:23 Ayia Evfimia Greece  0.1
25-Oct-2018 23:08:56 Preveza Greece  0.1
25-Oct-2018 23:30:85 Argostoli Greece  0.1
25-Oct-2018 23:24:78 Asos Greece  0.1
25-Oct-2018 23:06:51 Kastrosikia Greece  0.1
25-Oct-2018 23:22:91 Koronisia Greece  0.1
25-Oct-2018 23:11:32 Elia Messinia Greece  0.1
25-Oct-2018 23:51:14 Fiskardhon Greece  0.1
26-Oct-2018 00:03:26 Roca Vecchia Italy  0.1
26-Oct-2018 00:11:27 Otranto Italy  0.1

See full locations list (RSS)


Initial conditions

Title: ""35km SW of Lithakia""

Fault parameters

  • Latitude: 37.506
  • Longitude: 20.563
  • Length: 39 km
  • Width: 11 km
  • Magnitude: 6.8 M

Okada parameters:

  • Slip: 1 m
  • Strike: 310 (geogr angle: north=0, south=180)
  • Dip: 18 degree
  • Rake: 118 degree
  • Depth: 14 km

Calculation parameters

  • Calculation space (lon/lat): 17.563, 34.506, 23.563, 40.506
  • Instead of Step -> use Cell size:.5 minutes

Sea Level

More information

  • Timeline:
    Tsunami calculations performed to this case, click here

For a full list of available products related to this event, please refer to the GDACS Resources page.