Details of Earthquake 18/10/17 12:00.59 (UTC) in Tonga Islands

Key: Purple star Earthquake in Tonga Islands | Orange star Stations | Red star KEYW

Click on stations on the map to view thumbnails of the seismologram images

Date Time (UTC) Magnitude Latitude Longitude Depth (km) Location
18/10/17 12:00.59 6 -20.60 -173.89 10 Tonga Islands

Stations that have uploaded data for this earthquake

Station Distance to earthquake (km / °) P arrival PP arrival S arrival SS arrival Surface waves .sac data file Seismogram images
KMTH 10060.92 90.48 ° 12:14:00 12:17:35 12:24:56 12:30:58 12:45 KMTH KMTH

Approximate predicted arrival times of key phases

Hover over table headers for more information.

Key to networks: AU FR IRI IUP JA MIQ ORS Ru S SIE UK ZNT II

Network Station Distance to earthquake (km / °) P arrival PP arrival S arrival SS arrival Surface waves
16379.01 km 147.30 ° No arrival 12:24:08 No arrival 12:43:11 13:14
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A P-wave taking the most direct route

P-wave

A P-wave which has bounced once

PP-wave

An S-wave taking the most direct route

S wave

An S-wave which has bounced once

SS wave

Waves which travel along the surface along great circle paths