M5.4 earthquake 38 km WNW of Bacnotan, Philippines
A magnitude 5.4 earthquake struck 38 km WNW of Bacnotan, Philippines at Sep 18, 3:52 PM ET, 35 km deep, moderate – felt widely, some damage to weak buildings. 15 people reported feeling it.
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| Magnitude | 5.4 mb |
| Time | 18 Sept 2025, 19:52 UTC |
| Location | 16.863°, 120.027° – 38 km WNW of Bacnotan, Philippines |
| Depth | 35.0 km |
| Felt reports | 15 |
| Max. estimated intensity (MMI) | 4.4 |
| PAGER alert | green |
| USGS event | us7000qx2y |
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 5.1 | 66 km WNW of Catuday, Philippines | Jun 28, 3:09 PM 110 d ago | 10 km | – |
| 5.0 | 63 km WNW of Catuday, Philippines | Jun 23, 10:04 PM 115 d ago | 10 km | – |
| 4.9 | 60 km WNW of Catuday, Philippines | Jun 23, 9:34 PM 115 d ago | 10 km | – |
| 4.8 | 65 km WNW of Catuday, Philippines | Jul 2, 5:11 AM 106 d ago | 10 km | – |
| 4.8 | 59 km WNW of Catuday, Philippines | Jun 23, 9:37 PM 115 d ago | 10 km | – |
| 4.8 | 22 km WSW of Calongbuyan, Philippines | Feb 15, 8:36 PM 243 d ago | 45 km | 4 reports |
| 4.7 | 54 km WNW of Catuday, Philippines | Jun 28, 4:01 PM 110 d ago | 10 km | – |
| 4.6 | 65 km WNW of Catuday, Philippines | Jul 2, 7:24 AM 106 d ago | 10 km | – |
| 4.6 | 66 km WNW of Catuday, Philippines | Jul 2, 5:59 AM 106 d ago | 10 km | – |
| 4.6 | 56 km W of Catuday, Philippines | Jul 2, 5:30 AM 106 d ago | 10 km | – |
| 4.6 | 58 km WNW of Catuday, Philippines | Jun 28, 3:25 PM 110 d ago | 10 km | – |
| 4.6 | 122 km NW of Binabalian, Philippines | Jun 15, 11:39 PM 123 d ago | 10 km | – |
About this earthquake
How strong was the 38 km WNW of Bacnotan, Philippines earthquake?
Magnitude 5.4 (mb), moderate – felt widely, some damage to weak buildings. Depth 35 km. Strongest estimated shaking: intensity 4.4 on the Modified Mercalli scale.
Was it felt?
15 people reported feeling it to the USGS "Did You Feel It?" survey; the highest reported intensity was 4.8.
Were there aftershocks?
No earthquakes within 100 km have followed so far in our records.
More
Source: U.S. Geological Survey (USGS) earthquake catalog, real-time feeds and FDSN event service; magnitudes and locations are revised by seismologists for hours after an event. Times are Eastern (ET) unless marked UTC. Not an alert service: for warnings follow local authorities and tsunami centers.