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For more information on computation, see the article Bossu et al., 2016:
Thumbnail Based Questionnaires for the Rapid and Efficient Collection of Macroseismic Data from Global Earthquakes, Rémy Bossu, Matthieu Landès, Fréderic Roussel, Robert Steed, Gilles Mazet-Roux, Stacey S. Martin, and Susan Hough. Seismological Research Letter. Oct 2016. doi: 10.1785/0220160120;
Furthermore, to avoid the association with wrong events, we filter testimonies in distance and in intensity depending on the magnitude of the seismic event.
References for tectonic plate boundaries:
Coffin, M.F., Gahagan, L.M., and Lawver, L.A., 1998, Present-day Plate Boundary Digital Data Compilation. University of Texas Institute for Geophysics Technical Report No. 174, pp. 5.
Maps view: Seismicity from the previous 7 days in the area .
Regional instrumental seismicity
This seismicity maps have been generated by concatenating the ISC catalogue (since 1964), the EMSC Euro-Med Bulletin catalogue and the EMSC Real Time catalogue. Therefore, they show the seismicity from 1964 until the earthquake occurrence.
Regional deadly earthquakes from 1500 to origin time
Date
Long.
Lat.
Mag.
Death
Location
1841-09-02
-84.0
10.0
?
many
COSTA RICA
1910-04-13
-83.9
9.8
5.6
1750
COSTA RICA
1910-05-04
-84.0
9.9
6.4
700
COSTA RICA
1910-05-05
-84.1
9.8
6.1
700
COSTA RICA
1952-12-30
-83.9
10.1
5.9
29
COSTA RICA
1973-04-14
-84.7
10.6
6.5
26
COSTA RICA
1991-04-22
-83.1
9.7
7.6
75
COSTA RICA
2003-12-25
-82.8
8.4
6.5
2
PANAMA-COSTA RICA BORDER REGION
2004-11-20
-84.1
9.6
6.4
8
COSTA RICA
2009-01-08
-84.2
10.2
6.1
23
COSTA RICA
2012-09-05
-85.4
10.2
7.6
2
COSTA RICA
2017-11-13
-84.5
9.6
6.7
2
COSTA RICA
Source:
From 1500 to 1999: T. Utsu ; International Handbook of Earthquake and Engineering Seismology; vol. A; 691-718
Testimonies, photos
Instituto Geofisico Quito, Ecuador
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