Right now
The most recent data we hold from EMSC arrived 14 minutes ago, and this point is in it.
One other detection within 20 km in the last 24 hours, <1 km from here.
Reported by EMSC today.
It is one of only 2 we have recorded within 20 km of this point since 8 September 2026.
What the source measured
EMSC reported: MARIANA ISLANDS REGION
EMSC recorded magnitude 4.9 at a depth of 104 km.
The seismic region given by the source is MARIANA ISLANDS REGION.
How we know
Confirmed by 2 independent sources, including EMSC.
Our own score for this event is 8 out of 100, at 70 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Earthquakes |
| Severity | Low |
| Calamity Score (ours) | 8 / 100 |
| Our confidence | 70% |
| Coordinates | 16.8670, 148.4180 |
| Nearest City | Saipan (339 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-08T23:23:54.790Z |
| Source | https://www.seismicportal.eu/eventdetail.html?unid=20260908_0000323 |
Score Breakdown
Technical Details
| Mag | 4.9 |
| Depth | 103.9 |
| MagType | mb |
| Region | MARIANA ISLANDS REGION |
| Auth | GFZ |
| SourceId | 2057548 |
| Gfz Mag | 4.88 |
| Gfz Depth | 103.9 |
| Gfz MagType | mb |
| Gfz Region | Mariana Islands Region |
| MergedSources | [{"id":"gfz_gfz2026rqoc","source":"gfz","severity":"low","severityValue":29.28,"timestamp":1788909834790,"latitude":16.867,"longitude":148.418}] |
Safety Information
If you feel shaking: Drop, Cover, and Hold On. Move away from windows, heavy objects, and exterior walls. After shaking stops, check for injuries and structural damage. Be prepared for aftershocks, which can occur minutes to months after the mainshock. Follow instructions from local emergency management authorities.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
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