Earthquake with magnitude of Md 2.6 on date 27-02-1985 and time 05:18:17 (UTC) in region 1 km S Casalincontrada (CH)

A magnitude Md 2.6 earthquake occured in region: 1 km S Casalincontrada (CH), on

  • 27-02-1985 05:18:17 (UTC)
  • 27-02-1985 06:18:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.28, 14.14 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Casalincontrada CH 1 3074 3074
Roccamontepiano CH 3 1707 4781
Serramonacesca PE 5 562 5343
Bucchianico CH 5 5242 10585
Fara Filiorum Petri CH 5 1943 12528
Casacanditella CH 6 1307 13835
Manoppello PE 6 6996 20831
Pretoro CH 7 934 21765
Rapino CH 8 1318 23083
Vacri CH 8 1686 24769
San Martino sulla Marrucina CH 9 941 25710
Chieti CH 9 51815 77525
Turrivalignani PE 9 857 78382
Rosciano PE 9 3900 82282
Lettomanoppello PE 9 2975 85257
Ari CH 10 1170 86427
Filetto CH 10 972 87399
Villamagna CH 11 2351 89750
Scafa PE 11 3759 93509
Cepagatti PE 11 10887 104396
Roccamorice PE 12 939 105335
Giuliano Teatino CH 12 1249 106584
Guardiagrele CH 12 9084 115668
Abbateggio PE 12 400 116068
Ripa Teatina CH 12 4088 120156
Torrevecchia Teatina CH 13 4218 124374
San Valentino in Abruzzo Citeriore PE 13 1922 126296
Orsogna CH 14 3952 130248
Canosa Sannita CH 14 1376 131624
Arielli CH 14 1133 132757
Alanno PE 14 3487 136244
Nocciano PE 14 1810 138054
Pennapiedimonte CH 15 476 138530
Poggiofiorito CH 15 870 139400
Pianella PE 15 8633 148033
Crecchio CH 16 2891 150924
Bolognano PE 16 1108 152032
Miglianico CH 16 4829 156861
Tollo CH 17 4158 161019
San Giovanni Teatino CH 17 14100 175119
Caramanico Terme PE 17 1929 177048
Cugnoli PE 17 1506 178554
Catignano PE 17 1399 179953
Torre de' Passeri PE 18 3147 183100
Salle PE 18 308 183408
Moscufo PE 18 3202 186610
Pietranico PE 19 484 187094
Palombaro CH 19 1026 188120
Sant'Eufemia a Maiella PE 19 278 188398
Frisa CH 19 1764 190162
Tocco da Casauria PE 19 2688 192850
Spoltore PE 20 19366 212216

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km S of Chieti (51815 inhabitants)
22 Km S of Pescara (121014 inhabitants)
27 Km S of Montesilvano (53738 inhabitants)
56 Km SE of Teramo (54892 inhabitants)
61 Km E of L'Aquila (69753 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 1000 Md 2.6 1985-02-27
05:18:17
42.28 14.14 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 2649
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-27 05:18:17 ± 4.995
Latitude 42.28 ± 0.08
Longitude 14.14 ± 0.21
Depth (km) 10 ± 26 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 2649

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 19409.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 241
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00494
Epicentral distance of station farthest from the epicenter (degree) 0.01052
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 2649
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:07:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CM8.Z. 1985-02-27T05:18:54.10 10.0 undecidable manual SN 321 0.0105 -2.17 0.1
--.CM8.Z. 1985-02-27T05:18:40.90 10.0 undecidable manual PN 321 0.0105 0.85 0.8
--.MNS.Z. 1985-02-27T05:18:38.00 10.0 undecidable manual PN 275 0.0097 -0.8 0.9
--.PO9.Z. 1985-02-27T05:18:35.50 10.0 undecidable manual PG 288 0.0083 -0.77 1
--.SD1.Z. 1985-02-27T05:18:30.00 10.0 undecidable manual PG 202 0.0055 -0.43 1.2
--.AQU.Z. 1985-02-27T05:18:30.00 10.0 positive manual PG 277 0.0049 0.81 1.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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