M 6.9 in Philippines on 28 Apr 2017 20:23 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

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

Earthquake Magnitude: 6.9M
Depth: 26 Km
Event Date: 28 Apr 2017 20:23 UTC
29 Apr 2017 04:23 Local
Exposed Population: 100000 people in MMI
1800000 people within 100km
Source: NEIC us10008ls4
Inserted at: 29 Apr 2017 18:39 UTC
INFORM Coping capacity of the alert score:
4.2 (Philippines)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC 2.3 0.2 2.3
us10008ls4 Scaled population (vector) 0 Max wave scenario 0m  
  C1 earthquake 1 Max wave realtime 0.23m  
  C2 earthquake 0      
  Country Vulnerability 0      
  INFORM_normalised 1      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1165746 2.6 28 Apr 2017 20:23 7.2M, 10km N/A 1.8 million (in 100km) 0.8m (at 00:04) 00:06 GEOFON
1165748 2.6 28 Apr 2017 20:23 7.2M, 10km N/A 1.8 million (in 100km) 0.8m (at 00:04) 00:09 PTWC
1165753 2.6 28 Apr 2017 20:23 7.2M, 10km N/A 1.8 million (in 100km) 0.8m (at 00:04) 00:15 NTWC    
1165756 2.2 28 Apr 2017 20:23 6.8M, 41.74km 6.71 1 thousand (in MMI>=VII) 0.1m (at 00:18) 00:21 NEIC
1165764 2.2 28 Apr 2017 20:23 6.8M, 26km 6.71 1 thousand (in MMI>=VII) 0.2m (at 00:15) 01:06 NEIC
1165893 2.3 28 Apr 2017 20:23 6.9M, 26km 7.23 110 thousand (in MMI>=VII) 0.2m (at 00:13) 22:15 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.

Tsunami affected locations

The maximum Wave height is  0.2m in Pangyan, Philippines. This height is estimated for 28-Apr-2017 20:36:64.

Alert Date (UTC) Name Country Wave height (m)
28-Apr-2017 20:36:64 Pangyan Philippines  0.2
28-Apr-2017 20:36:64 Lago Philippines  0.2
28-Apr-2017 20:36:64 Burias Philippines  0.2
28-Apr-2017 20:39:38 Cablallan Philippines  0.2
28-Apr-2017 20:45:64 Margus-Pequeno Philippines  0.2
28-Apr-2017 20:27:64 Batulaki Philippines  0.2
28-Apr-2017 20:30:38 Tubay Philippines  0.2
28-Apr-2017 20:27:64 Sabang Philippines  0.2
28-Apr-2017 20:36:38 Solome Philippines  0.1
28-Apr-2017 20:42:38 Katabau Philippines  0.1
28-Apr-2017 21:12:38 Lagao_III Philippines  0.1
28-Apr-2017 20:54:64 Lomoyon Philippines  0.1
28-Apr-2017 20:54:64 Lumit Philippines  0.1
28-Apr-2017 20:51:38 Katingan Philippines  0.1
28-Apr-2017 20:51:38 Ibran Philippines  0.1
28-Apr-2017 20:42:64 Tumanao Philippines  0.1
28-Apr-2017 21:15:64 Little_Lun Philippines  0.1
28-Apr-2017 21:23:00 Glan Philippines  0.1
28-Apr-2017 21:23:00 Sinabulad Philippines  0.1
28-Apr-2017 21:03:38 Tinto Philippines  0.1
28-Apr-2017 21:32:00 Bula Philippines  0.1
28-Apr-2017 20:41:00 Kling Philippines  0.1
28-Apr-2017 20:42:64 Oalao Philippines  0.1
28-Apr-2017 21:30:64 Buayan Philippines  0.1
28-Apr-2017 20:53:00 Tamblel Philippines  0.1
28-Apr-2017 21:39:64 Bailat Philippines  0.1
28-Apr-2017 21:39:64 Seguil Philippines  0.1
28-Apr-2017 21:05:00 Linao Philippines  0.1
28-Apr-2017 21:26:00 Sapu_Grande Philippines  0.1
28-Apr-2017 21:03:64 Malapatan Philippines  0.1
28-Apr-2017 22:06:64 Pitas_Pt Philippines  0.1
28-Apr-2017 20:30:38 Kansan Philippines  0.1
28-Apr-2017 20:33:64 Buadtasan Philippines  0.1
28-Apr-2017 20:33:64 Kiamba Philippines  0.1
28-Apr-2017 21:27:38 Matimus Philippines  0.1
28-Apr-2017 20:33:38 Kalaong Philippines  0.1
28-Apr-2017 20:33:38 Maguling Philippines  0.1
28-Apr-2017 20:27:64 Kamalian Philippines  0.1
28-Apr-2017 20:32:00 Copalcada Philippines  0.1
28-Apr-2017 21:03:38 Sedem Philippines  0.1
28-Apr-2017 21:03:38 Meti Philippines  0.1
28-Apr-2017 21:03:38 Linao_B Philippines  0.1
28-Apr-2017 20:35:00 Kraan Philippines  0.1
28-Apr-2017 21:42:64 Bojelebung Philippines  0.1
28-Apr-2017 20:27:38 Fort_Holland Philippines  0.1
28-Apr-2017 21:51:64 Kandiis Philippines  0.1
28-Apr-2017 21:24:38 Wal Philippines  0.1
28-Apr-2017 21:24:38 Tiburos Philippines  0.1
28-Apr-2017 21:20:00 Mamant_Maslo Philippines  0.1
28-Apr-2017 21:20:00 Sugko Philippines  0.1
28-Apr-2017 21:41:00 Bolong Philippines  0.1
28-Apr-2017 21:06:38 Akot Philippines  0.1
28-Apr-2017 21:21:64 Basiauang Philippines  0.1
28-Apr-2017 21:21:64 Sangay Philippines  0.1
28-Apr-2017 20:29:00 Kipagah Philippines  0.1
28-Apr-2017 20:33:38 Tibulos Philippines  0.1
28-Apr-2017 21:02:00 Tipudus Philippines  0.1
28-Apr-2017 21:02:00 Ballia Philippines  0.1
28-Apr-2017 21:39:38 Puricay Philippines  0.1
28-Apr-2017 21:17:00 Kalbay Philippines  0.1
28-Apr-2017 21:17:00 Malalan Philippines  0.1
28-Apr-2017 20:30:64 Kibayo Philippines  0.1
28-Apr-2017 22:11:00 Dimataling Philippines  0.1
28-Apr-2017 22:11:00 Pisan Philippines  0.1
28-Apr-2017 21:08:00 Visaya Philippines  0.1
28-Apr-2017 20:53:00 Malotunol Philippines  0.0
28-Apr-2017 21:18:38 Cayaponga Philippines  0.0

See full locations list (RSS)


Initial conditions

Title: "28km SW of Burias"

Fault parameters

  • Latitude: 5.516
  • Longitude: 125.093
  • Length: 44 km
  • Width: 12 km
  • Magnitude: 6.9 M

Okada parameters:

  • Slip: 1.2 m
  • Strike: 178 (geogr angle: north=0, south=180)
  • Dip: 49 degree
  • Rake: 90 degree
  • Depth: 26 km

Calculation parameters

  • Calculation space (lon/lat): 122.093, 2.516, 128.093, 8.516
  • 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.