Right now
The most recent data we hold from CWA TAIWAN arrived 5 hours ago, and this point is in it.
2 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
Reported by CWA TAIWAN today.
It is the 7th strongest of the 12 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 22 July 2026. One more was recorded here in the fortnight before it.
What the source measured
CWA TAIWAN reported: 46 km SSW of Hualien City, Taiwan
CWA TAIWAN recorded magnitude 4.2 at a depth of 12 km.
The seismic region given by the source is 46 km SSW of Hualien City, Taiwan.
Nearby, since 12 March 2026
- March 20, 2026 · score 4 · 3.6 km
- March 20, 2026 · score 5 · 4.9 km
- September 13, 2026 · score 14 · 6.8 km
How we know
Confirmed by 2 independent sources, including CWA TAIWAN.
Our own score for this event is 2 out of 100, at 55 % 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) | 2 / 100 |
| Our confidence | 55% |
| Coordinates | 23.5992, 121.4016 |
| Nearest City | Hualien City (47 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-13T19:21:35.331Z |
| Source | https://earthquake.usgs.gov/earthquakes/eventpage/us7000th7w |
Score Breakdown
Technical Details
| Mag | 4.2 |
| Depth | 12.22 |
| Region | 46 km SSW of Hualien City, Taiwan |
| UsgsId | us7000th7w |
| Fallback | true |
| Usgs Mag | 4.2 |
| Usgs Depth | 12.22 |
| Usgs Tsunami | false |
| Usgs Sig | 271 |
| Emsc Mag | 4.5 |
| Emsc Depth | 17.5 |
| Emsc MagType | ml |
| Emsc Region | TAIWAN |
| Emsc Auth | CWA |
| Emsc SourceId | 2059891 |
| MergedSources | [{"id":"usgs_us7000th7w","source":"usgs","severity":"low","severityValue":25.200000000000003,"timestamp":1789327295331,"latitude":23.5992,"longitude":121.4016},{"id":"emsc_20260913_0000247","source":"emsc","severity":"low","severityValue":27,"timestamp":1789327295600,"latitude":23.56,"longitude":121.35}] |
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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