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Magnitude 7.7 earthquake · MWW12 km WSW of Pitaloza Arriba, Panama

Tsunami forecast: slight sea-level changeVIIIExpected intensity: Severe: heavy furniture overturned, serious damage
When
8 hr ago
Depth
12.6 km
From you
Source
USGS
Reviewed
Did you feel it? Report

Expected intensity

12 km WSW of Pitaloza Arriba, PanamaNatural Earth
  • MMI II ≤ 700 km
  • MMI III ≤ 700 km
  • MMI IV ≤ 700 km
  • MMI V ≤ 353 km
  • MMI VI ≤ 161 km
  • MMI VII ≤ 68 km
  • MMI VIII ≤ 20 km

Rings show the expected Modified Mercalli (MMI) intensity from the Akkar–Sandıkkaya–Bommer (2014) ground-motion model converted with Worden et al. (2012). Real shaking depends on soil and building.

Aftershocks

Earthquakes within 150 km of the epicentre in the first 30 days.

Count: 40

Aftershock forecast

The chance of an aftershock of magnitude 4 or more in the next 7 days is 100%, and of magnitude 5 or more 100%.
The chance of an aftershock of magnitude 3 or more in the next 24 hours is 100%.

A larger earthquake followed this one; this one may have been a foreshock. Go to the larger earthquake

Magnitude1 day1 week1 month
M ≥ 3100%≈ 435100%≈ 985100%≈ 1,458
M ≥ 4100%≈ 43100%≈ 99100%≈ 146
M ≥ 598%≈ 4.35100%≈ 9.85100%≈ 15
M ≥ 635%≈ 0.4462%≈ 0.9976%≈ 1.46

≈ expected number of aftershocks

39 aftershocks recorded so far within 124 km (28 of M4.5 or more).

Computed: . Method: Reasenberg-Jones (generic, Bayesian a-value update); regime ANSR-SHALCON; generic parameters Page et al. (2016) via USGS OpenSHA GenericRJ_ParametersFetch.json. Probabilities are updated with the recorded aftershocks on every request. (b = 1, p = 0.98, c = 0.018 days, a = -2.209)

This is a statistical forecast, not an earthquake prediction. Actual aftershock activity can differ; follow local authorities for official statements.

Felt reports

No reports yet.

Source comparison

Latest solution of each source. Differences are to the preferred solution.

SourceMagnitudeTimeΔ timeDepthΔ locationPlace
GFZ7.6MW−0.1 s10.0 km10.6 kmPanama
USGS ★7.7MWW—12.6 km—12 km WSW of Pitaloza Arriba, Panama
Revision history (6)
SourceMagnitudeTimeDepthCoordinatesReceived
GFZ7.6MW10.0 km7.517°N 80.812°W
USGS7.6MWW10.0 km7.599°N 80.757°W
GFZ7.5M10.0 km7.517°N 80.812°W
GFZ7.5M10.0 km7.540°N 80.763°W
GFZ6.9MB10.0 km7.565°N 80.746°W
GFZ7.0MB10.0 km7.565°N 80.758°W