Electronic Supplement to
Possible Triggered Seismicity Signatures Associated with the Vrancea Intermediate-Depth Strong Earthquakes (Southeast Carpathians, Romania)

by Horia Mitrofan, Florina Chitea, Mirela-Adriana Anghelache, and Madalina Visan

Table S2. Major Intermediate-Depth VSZ Earthquakes of the 1977-1991 Period and the Strongest Events (Mw≥3.2) Subsequently Occurred at Shallow Depth outside the MGBL Domain

Intermediate-Depth (≥60 km) VSZ Strong Earthquakes (Mw≥6.9) Mw≥3.2 Earthquakes Subsequently Occurred at Shallow Depth (<60 km) outside the MGBL
Time of Occurrence Deptha (km) Mwa Time of Occurrence Epicenter Coordinatesb Sub-Zone Depth (km) Magnitude
Latitude (N) Longitude (E) ROM+ ISC PDE ROM+ ISC PDE
  Err (km)   Errc (km)   Mw mb mb
4 Mar 1977 19:21 94.0 7.4 25 May 1977 11:59 45.34 26.02 not defined 38.0 - - - 38.0 3.3 - 4.6
2 Oct 1977 15:44 45.7254 26.7157 Vrancioaia 9.0 - 8.7 - - 3.2 - -
1 Aug 1978 14:17d 45.60 27.00 Ramnicu Sarat 50.0 - - - - 3.2 - -
11Dec 1978 6:15d 46.40 27.40 not defined 15.0 - - - - 3.8 - -
31 Dec 1978 18:09d 45.60 27.00 Ramnicu Sarat 30.0 - - - - 3.5 - -
5 Jan 1979 1:14 45.4408 26.7456 Vrancioaia 40.0 - 0.0 - - 3.2 - -
29 Sep 1979 1:04 45.1272 27.3513 not defined 40.0 - 33.0 - - 3.2 - -
29 Sep 1979 3:45d 45.10 27.40 not defined 40.0 - - - - 3.2 - -
10 Nov 1979 8:03d 45.70 26.60 Vrancioaia 9.9 - - - - 3.3 - -
8 May 1980 1:51 45.4049 26.9198 Ramnicu Sarat 40.0 - 3.0 - - 3.2 - -
21 Feb 1983 18:03 45.2801 26.8823 Ramnicu Sarat 24.0 7.0 21.3 6.5 36.6 3.5 4.7 4.4
21 Feb 1983 18:09 45.2361 27.0081 Ramnicu Sarat 19.6 - 20.8 5.5 21.0 3.5 - -
3 May 1983 20:05 45.3595 26.9656 Ramnicu Sarat 17.4 - 54.9 4.6 50.8 3.7 - 3.4
14 May 1984 19:14 45.1972 26.8624 not defined 22.0 13.0 47.6 5.1 53.5 3.4 4.1 4.1
5 Jun 1984 14:36 45.1699 26.9346 not defined 25.4 - 19.8 11.4 10.0 3.2 - -
27 Apr 1986 0:04 45.4801 26.9460 Ramnicu Sarat 18.3 1.8 41.3 3.1 41.0 3.7 5.0 4.8
7 Aug 1986 9:50 45.4546 27.0854 Ramnicu Sarat 15.9 - 11.5 7.3 10.0 3.2 - -
30 Aug 1986 1:28 131.4 7.1 20 Feb 1988 1:06 45.0435 26.8608 not defined 25.5 - 30.5 9.4 33.0 3.2 - -
30 May 1990 10:40 90.9 6.9 1 Sep 1991 1:16 45.4792 26.9192 Ramnicu Sarat 21.5 10.3 33.0 4.0 34.6 3.5 4.9 4.8
1 Sep 1991 2:18 45.5367 26.9697 Ramnicu Sarat 17.3 5.7 33.0 - 33.0 3.2 - 3.4
1 Sep 1991 3:39 45.4835 26.8751 Ramnicu Sarat 17.3 4.0 33.0 - 51.9 3.4 4.6 3.9
ROM+ , ISC and PDE indicate that the corresponding data were provided by the ROMPLUS catalog, by the International Seismological Centre, and by the PDE catalog of the NEIS/NEIC respectively.
a according to the ROMPLUS catalog
b according to the ISC reviewed catalog; where not available (events on 25 May 1977; 1 Aug 1978; 11 Dec 1978; 31 Dec 1978; 29 Sep 1979; 10 Nov 1979), the coordinates were retrieved from the ROMPLUS catalog
c not indicated for fixed depth
d no hypocentral coordinates computed either by the ISC, or by the NEIS/NEIC agencies

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