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Seismic Event Dossier14:13 Local (08:43 UTC)(μόλις τώρα)

M 8.0 earthquake Janakpur, Nepal

A magnitude 8.0 (MW) earthquake occurred on 1934-01-15, 14:13 local time (08:43 UTC) (μόλις τώρα), centered 85 km E of Ramechhap (Nepal). The hypocenter was located at a shallow depth of 15 km. Primary telemetry verified by USGS.

Historical Landmark Earthquake

#19 of All Time

Curated Global Seismic Archive (1700–Present)

Top-100 Earthquakes

A magnitude 8.0 earthquake struck ⁨Janakpur, Nepal⁩ on 15 Ιανουαρίου 1934. Source: ⁨Main Himalayan Thrust⁩. Documented deaths: 10,600.

Documented Fatalities10,600Source: NOAA NCEI Significant Earthquake Database
Fault KinematicsActive Fault
Equivalent Energy15.08 Mt TNT

Μέγεθος

MW
M 8.0

15.08 Mt TNT

Βάθος

15 km
15 km

shallow (Επιφανειακός φλοιικός)

Επίπτωση PAGER

red
> 1,000 fatalities

Τραυματίες: > 5,000 · ~276.2M αισθητός

Διαδραστικός χάρτης επικέντρου και ρηγμάτων

27.27°N, 86.94°E
Ρήγμα5 km
Κύρια Επώθηση των Ιμαλαΐων
Active Fault · ~15.0 mm/yr
Felt byMMI III+
~276.2M exposed
~62.6M strong shaking
Primary SolutionUSGS
USGS#iscgem904745reviewed
1 agencies reporting
Setting27.3°N
Ιμαλάια και τόξο Νεπάλ
Continental / Inland crustal

Seismic Activity & Aftershock Sequence

Timeline of foreshocks, main rupture, aftershocks and machine learning risk probability evolution.

M0.0M4.5M9.0100%50%0%Κύριος σεισμός14 Ιαν, 04 μ.μ.15 Ιαν, 04 π.μ.15 Ιαν, 04 μ.μ.16 Ιαν, 04 π.μ.16 Ιαν, 04 μ.μ.17 Ιαν, 04 π.μ.17 Ιαν, 04 μ.μ.18 Ιαν, 04 π.μ.M8.0
Hover or tap a point to inspect aftershocks and risk probability curve.
<35 χλμ (επιφανειακό)35–70 χλμ (ενδιάμεσο)>70 χλμ (βαθύ)Κύριος σεισμός

Situation Monitoring

Continuous verification
Multi-agency verification of casualties, tsunami alerts, and seismic sequence

Key facts so far

Casualties
Damage assessment in progress
Tsunami Status
No tsunami threat
NOAA PTWC & regional buoys
Citizen Felt Reports
0
No felt reports submitted
Macroseismic DYFI verification
Aftershock Sequence
Monitoring
Aftershocks expected (Omori law)
LightGBM hazard model forecast
Multi-agency seismic telemetry active. Awaiting wire headlines.

Agency Discrepancy Matrix (Cross-Network Verification)

Comparing multi-network solutions from primary and teleseismic monitoring agencies.

Network / SourceMagnitude (Scale & Diff)Depth & DiffEpicenter & Shift (Δd)ConsensusEvent ID / Data
USGS
United States Geological Survey · Global / US
M8.0(Mw)Ref
15.0 kmRef
27.27°, 86.94°Origin
Authoritative
iscgem904745

Why do agency magnitudes differ? Seismological agencies use different instrumentation networks, crustal velocity models, and mathematical magnitude scales (e.g. Moment Magnitude Mw vs Local Richter ML vs Surface Wave Ms). Differences of 0.1–0.3 are common and reflect physical observation geometry rather than errors.

Where it was felt

6 οικισμοί

Shaking intensity is modelled from magnitude, depth and distance (GMPE attenuation), not reported by residents.

TownDistanceIntensity
Rajbiraj · Sagarmatha85 kmMMI VIII
Biratnagar · Bhojpur94 kmMMI VIII
Siliguri · West Bengal162 kmMMI VII
Lalitpur · Bhaktapur165 kmMMI VII
Gangtok · Sikkim166 kmMMI VII
Kathmandu · Bhaktapur168 kmMMI VII

Tectonic setting

Nearest mapped active fault: Main Himalayan Thrust, 5 km away, slip rate ~15.0 mm/yr (GEM Global Active Faults).

Περιφερειακό σεισμικό προφίλ

Ιμαλάια και τόξο Νεπάλ

Δείτε ζωντανή σεισμική παρακολούθηση, ιστορικά μέτρα επικινδυνότητας, μοντέλα ολίσθησης ρηγμάτων και διαστήματα επανάληψης για αυτή τη ζώνη.