Tsunami Bulletin
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
632
WEGM42 PHEB 100505
TIBGUM
GUZ001>004-100705-
TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI
305 PM CHST SUN AUG 10 2025
...NO TSUNAMI THREAT TO GUAM/CNMI FROM A NEARBY EARTHQUAKE...
AUDIENCE
--------
EMERGENCY MANAGERS... MEDIA... GENERAL PUBLIC
EVALUATION
----------
* AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 6.1 OCCURRED
ABOUT 70 MILES SOUTHEAST OF GUAM AT 257 PM CHST ON SUNDAY
AUGUST 10 2025.
* BASED ON ALL AVAILABLE DATA... THERE IS NO TSUNAMI THREAT TO
GUAM... ROTA... TINIAN OR SAIPAN FROM THIS EARTHQUAKE.
* SOME AREAS MAY HAVE EXPERIENCED SHAKING.
RECOMMENDED ACTIONS
-------------------
* BE OBSERVANT AND EXERCISE NORMAL CAUTION IF YOU ARE NEAR OR
IN THE OCEAN. OTHERWISE... NO ACTION IS REQUIRED.
POTENTIAL IMPACTS
-----------------
* NO TSUNAMI IMPACTS ARE EXPECTED.
PRELIMINARY EARTHQUAKE PARAMETERS
---------------------------------
* MAGNITUDE 6.1
* ORIGIN TIME 257 PM CHST AUG 10 2025
* COORDINATES 13.1 NORTH 145.9 EAST
* DEPTH 6 MILES
* LOCATION ABOUT 70 MILES SOUTHEAST OF GUAM
NEXT UPDATE AND ADDITIONAL INFORMATION
--------------------------------------
* THIS WILL BE THE ONLY STATEMENT ISSUED FOR THIS EVENT UNLESS
ADDITIONAL DATA ARE RECEIVED OR THE SITUATION CHANGES.
* FURTHER INFORMATION ABOUT THIS EVENT MAY BE FOUND ON THE
INTERNET AT WWW.TSUNAMI.GOV.
* AUTHORITATIVE INFORMATION ABOUT THE EARTHQUAKE FROM THE U.S.
GEOLOGICAL SURVEY CAN BE FOUND ON THE INTERNET AT
EARTHQUAKE.USGS.GOV.
$$