My Comment:  I don’t know for sure, but there appears to be a swarm of earthquakes in this region ranging from 5.1-5.9.  I believe there have been 10, this is according to the alerts I receive from the USGS.  I’ll keep looking for information.

USGS

Preliminary Earthquake Report

Magnitude
5.2

Date-Time

• 19 May 2013 23:51:35 UTC
• 20 May 2013 10:51:35 near epicenter
• 19 May 2013 16:51:35 standard time in your timezone

Location
52.365N 159.987E

Depth
49 km

Distances

• 117 km (72 mi) SE of Petropavlovsk-Kamchatskiy, Russia
• 124 km (76 mi) ESE of Vilyuchinsk, Russia
• 141 km (87 mi) SE of Yelizovo, Russia
• 984 km (610 mi) SE of Magadan, Russia
• 2448 km (1517 mi) NE of Tokyo, Japan

Location Uncertainty
Horizontal: 17.0 km; Vertical 1.8 km

Parameters
Nph = 139; Dmin = 117.1 km; Rmss = 0.76 seconds; Gp = 61°
Version = 8

Event ID
us b000gzcm

For updates, maps, and technical information, see:
Event Page
or
USGS Earthquake Hazards Program

National Earthquake Information Center
U.S. Geological Survey
http://earthquake.usgs.gov/regional/neic/

Categories: Earth quakes news/data

Tags: earthquake swarm, russia