The earthquake occurred on Saturday at 11:56 April 25th, 2015 NPT or 6:11 UTC (see http://en.wikipedia.org/wiki/April_2015_Nepal_earthquake)
Internet service was disrupted after the earthquake hit near the capital city of Kathmandu on Saturday and cloud services provider Akamai said its traffic to the country saw a steep decline just after 6:00 UTC. N.b. NPT is UTC + 5:45.
Nepal Telecom survived the earthquake while smaller Internet service providers experienced outages, Internet performance monitoring company Dyn said. It had earlier reported that the earthquake had rattled the Internet in the country.
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The impact on PingER measurements is seen below for measurements from SLAC to the Web site for the Nepal National Research and Education Network in Khatmandu. It is seen that there is 100% loss from after 7:39 soon after the earthquake (Spreadsheet) until 11:29. It is interesting to see that the connectivity stayed up for at least 1 hour 28 minutes after the earthquake.
Executing exec(traceroute -m 30 -q 1 -w 3 -A 202.52.0.2 140) traceroute to 202.52.0.2 (202.52.0.2), 30 hops max, 140 byte packets 1 rtr-servcore1-serv01-webserv.slac.stanford.edu (134.79.197.130) [AS3671] 0.483 ms 2 rtr-core1-p2p-serv01-02.slac.stanford.edu (134.79.253.253) [AS3671] 0.355 ms 3 rtr-fwcore1-trust-p2p-core1.slac.stanford.edu (134.79.254.134) [AS3671] 0.744 ms 4 rtr-core2-p2p-fwcore2-untrust.slac.stanford.edu (134.79.254.149) [AS3671] 0.856 ms 5 * 6 sunncr5-ip-c-slac.slac.stanford.edu (192.68.191.233) [AS3671] 1.697 ms 7 transpac-1-is-jmb-780.lsanca.pacificwave.net (207.231.246.136) [*] 8.930 ms 8 tokyo-losa-tp2.transpac.org (192.203.116.146) [*] 124.473 ms 9 kote-dc-gm1-xe2-2-1-4005.jp.apan.net (203.181.248.249) [AS7660] 124.522 ms 10 sg-xe-01-v4.bb.tein3.net (202.179.249.77) [AS24489] 193.449 ms AS24489 TEIN2-NORTH-AP Trans-Eurasia Information Network (TEIN2) - North,CN
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