Significant Earthquakes – August 5, 2015

M 4.5 strikes 90km N of Brenas, Puerto Rico

The quake was one of a swarm of at least 18 earthquakes measuring ≥ 2.5Mw to strike the Puerto Rico Trench in the past 24 hours.

Magnitude: 4.5Mw
Location: 19.521°N, 66.366°W (90km N of Brenas, Puerto Rico), depth=72.0 km
Date – Time:2015-08-05 at 07:29:59 UTC

M 5.7 earthquake strikes near Tonala, Mexico
Location: 16.163°N, 93.621°W; depth=109.9 km
Time: 2015-08-05 09:13:24 UTC

M 3.8 – 64km SW of Redoubt Volcano, Alaska
Location: 60.090°N 153.303°W
Depth: 130.2 km
Time: 2015-08-05 10:06:30 UTC

M4.1 – 68km SSW of Nikolski, Alaska
Location: 52.338°N 169.067°W
Depth: 35.0 k
Time: 2015-08-05 09:30:03 UTC

M 4.6 – 145km WNW of Tobelo, Indonesia
Location: 2.333°N 126.847°E
Depth: 51.0 km
Time: 2015-08-05 00:16:26 UTC

M 3.8 – 64km SW of Redoubt Volcano, Alaska
Location: 60.090°N, 153.303°W
Depth : 30.2 km
Time: 2015-08-05 10:06:30 UTC

M3.9 – 33km N of Anchor Point, Alaska
Location: 60.124°N 151.785°W
Depth: 56.2 km
Time: 2015-08-05 07:38:22UTC

[Source: USGS/EHP]

Earthquake Swarm Striking Puerto Rico Trench

Dozens of quakes hit Puerto Rico Trench in 7 days

A swarm of at least 119 earthquakes measuring 2.5Mw or greater have struck the Puerto Rico Trench in the 7 days to posting, according to the USGS/EHP.

EQ location map. A swarm of at least 119 earthquakes measuring 2.5Mw or greater have struck the Puerto Rico Trench in the 7 days to posting. Source:  USGS/EHP.