Rose Biss

9-9-2025 A 5.4 ⬇️ 5.3 MID-INDIAN RIDGE REGION USGS PREMIUM ((((check comments or updates)))

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9 Sep 15:42 UTC: First to report: GFZ after 21 minutes.
9 Sep 15:57: Now using data updates from USGS

Epicenter 37.3531°S / 78.0886°E French Southern Territories

Nearest volcano Boomerang Seamount (30 km / 19 miles away color code green normal dormant

Primary data source USGS (United States Geological Survey)

Estimated energy 7.9 x 1012 joules (2.21 gigawatt hours, equivalent to 1898 tons of TNT or 0.1 atomic bombs!)

USGS WEBPAGE
earthquake.usgs.gov/earthquakes/eventpage/us7000qv…
M 5.4 - Mid-Indian Ridge
2025-09-09 15:21:16 (UTC)37.353°S 78.089°E10.0 km depth

GFZ EQ CENTER
geofon.gfz.de/eqinfo/event.php?id=gfz2025rrtr
Mid-Indian Ridge
Time 2025-09-09 15:21:17.1 UTC
Magnitude 5.0 (mb)
Epicenter 78.16°E 37.67°S
Depth 10 km (fixed)
Status M - manually revised

EMSC TWEET
🔔#Earthquake (#séisme) M5.0 strikes 1,446 km NE of #Port-aux-Français (French Southern Terr.) 29 min ago. More info: m.emsc.eu/?id=1863197

EMSC WEBPAGE UPGRADE AFTER USGS POST
m.emsc.eu/#earthquake
MID-INDIAN RIDGE
5.4
2025-09-09
15:21:16 UTC
20:21:16 local time
37.3531 S | 78.0886 E
17,733 kmof your location
2750 km ESE of Vacoas, Mauritius
2425 km SE of Port Mathurin, Mauritius
10 kmdeep

IRIS EQ CENTER
ds.iris.edu/ds/nodes/dmc/tools/event/12017465/
Date/Time
(UTC) 2025-09-09 15:21:16 UTC
(43 minutes ago)
Location Mid-Indian Ridge
Magnitude Mww 5.4
Latitude 37.3531° S
Longitude 78.0886° E
Depth 10.0 km

DISASTER ALERT
disasteralert.pdc.org/disasteralert/?hazard_id=371…
An earthquake with a magnitude of 5.4 at a depth of 10.0 km (6.21 miles) has occurred at Mid-Indian Ridge, as reported by the National Earthquake Information Center (NEIC) of the USGS on September 09, 2025 15:21:16 UTC PRELIMINARY

1 week ago (edited) | [YT] | 12