Reported by IRIS 173 days ago.
It is the 2nd strongest of the 5 detections recorded within 20 km of this point since 11 March 2026.
What the source measured
IRIS reported: MINDANAO, PHILIPPINES
IRIS recorded magnitude 4.9 at a depth of 10 km.
The seismic region given by the source is MINDANAO, PHILIPPINES.
Nearby, since 11 March 2026
- March 12, 2026 · score 15 · 0.0 km
- May 31, 2026 · score 4 · 15.5 km
- March 16, 2026 · score 3 · 19.7 km
How we know
Confirmed by 3 independent sources, including IRIS.
Our own score for this event is 15 out of 100, at 68 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Earthquake |
| Severity | medium |
| Calamity Score (ours) | 15 / 100 |
| Our confidence | 68% |
| Coordinates | 8.9857, 126.6457 |
| Nearest City | Tandag (50 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-11T23:06:25.000Z |
| Source | https://ds.iris.edu/ds/nodes/dmc/tools/event/12081410 |
Score Breakdown
Technical Details
| Mag | 4.9 |
| Depth | 9.66 |
| MagType | mb |
| Region | MINDANAO, PHILIPPINES |
| Isc Mag | 5.2 |
| Isc Depth | 10 |
| Isc MagType | mb |
| Isc Region | Mindanao |
| Gfz Mag | 5.03 |
| Gfz Depth | 10 |
| Gfz MagType | mb |
| Gfz Region | Mindanao, Philippines |
| MergedSources | [{"id":"isc_645508122","source":"isc","severity":"medium","severityValue":41.6,"timestamp":1773270386000,"latitude":8.96,"longitude":126.64},{"id":"gfz_gfz2026exxl","source":"gfz","severity":"medium","severityValue":40.24,"timestamp":1773270386630,"latitude":8.766,"longitude":126.547}] |
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 10 February 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.
Want to know when something happens near Tandag?
Calamity.live data shows a earthquake event with CalamityScore 15/100, in Mindanao, Philippines (Philippines), based on data from iris. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.