M 4.6 in Halmahera, Indonesia on 23 May 2022 16:45 UTC
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: 4.6M
Depth: 62.77 Km
Lat/Lon: 1.7145 , 127.2808
Event Date: 23 May 2022 16:45 UTC
24 May 2022 01:45 Local
Exposed Population:
340 thousand in 100km
Source: NEIC us7000hbz1
Inserted at: 23 May 2022 17:15 UTC
INFORM Coping capacity of the alert score
1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)
GDACS score
NEIC 0 0
us7000hbz1 Scaled population (vector) 0  
  C1 rapid impact -0.59  
  C2 rapid impact 0.53  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1444805 0 23 May 2022 16:45 4.6M, 62.77km 3.55 340 thousand (in 100km) 00:30 NEIC
1445801 0 23 May 2022 16:45 4.5M, 63.78km 3.52 330 thousand (in 100km) 6d 04:13 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.

Exposed population

The earthquake happened off shore.

Radius Population
100 km 340000 people
75 km 170000 people
50 km 120000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Affected populated places

Name Region Province Country City class Population Distance
Tolofu Maluku Utara Indonesia Village - 33 km
Kedi Maluku Utara Indonesia Village - 34 km
Tahafo Maluku Utara Indonesia Village - 39 km
Talen Maluku Utara Indonesia Village - 40 km
Tokuoku-njeku Maluku Utara Indonesia Village - 45 km
Bakulu Maluku Utara Indonesia Village - 45 km
Baru Maluku Utara Indonesia Village - 46 km
Pasilulu Maluku Utara Indonesia Village - 49 km
Pumadada Maluku Utara Indonesia Village - 52 km
Sasu Maluku Utara Indonesia Village - 53 km
Galela Maluku Utara Indonesia Village - 57 km
Toguear Maluku Utara Indonesia Village - 58 km
Peot Maluku Utara Indonesia Village - 58 km
Asimiro Maluku Utara Indonesia Village - 61 km
Golea Maluku Utara Indonesia Village - 63 km
Sahu Maluku Utara Indonesia Village - 64 km
Talabit Maluku Utara Indonesia Village - 68 km
Soanmaitik Maluku Utara Indonesia Village - 70 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Kau KAZ unknown 0 90 km
Babullah TTE 15 Civ. Paved No 4600 98 km

Ports

Name LOCODE Country Distance
Galela Indonesia 65 km
Tobelo Indonesia 81 km
Kau Indonesia 91 km

More information

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