Earthquake with magnitude of Md 2.0 on date 28-05-1987 and time 09:02:18 (UTC) in region 4 km W Bellino (CN)

A magnitude Md 2.0 earthquake occured in region: 4 km W Bellino (CN), on

  • 28-05-1987 09:02:18 (UTC)
  • 28-05-1987 11:02:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5740, 6.9730 at 12 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
Bellino CN 4 109 109
Pontechianale CN 7 179 288
Casteldelfino CN 8 157 445
Elva CN 10 97 542
Acceglio CN 11 162 704
Prazzo CN 12 170 874
Stroppo CN 14 103 977
Canosio CN 16 80 1057
Marmora CN 16 68 1125
Sampeyre CN 17 1022 2147
Macra CN 18 59 2206
Celle di Macra CN 19 100 2306

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km W of Cuneo (56081 inhabitants)
74 Km SW of Moncalieri (57294 inhabitants)
79 Km SW of Torino (890529 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
Bulletin
Rev1000
Md 2.0 1987-05-28
09:02:18
44.574 6.973 12 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 47929
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-05-28 09:02:18 ± 0.274
Latitude 44.5740 ± 0.0211
Longitude 6.9730 ± 0.0330
Depth (km) 12 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 47929

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) 3509.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 197
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.00364
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 47929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:46:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.STV.Z. 1987-05-28T09:02:33.10 10.0 undecidable manual SG 141 0.3996 -0.85 0
--.RRL.Z. 1987-05-28T09:02:32.10 10.0 undecidable manual SG 338 0.3663 -0.57 0.2
--.STV.Z. 1987-05-28T09:02:27.70 10.0 undecidable manual PG 141 0.3996 0.14 1.5
--.DOI.Z. 1987-05-28T09:02:27.40 10.0 undecidable manual SG 110 0.1998 -0.05 1.2
--.RRL.Z. 1987-05-28T09:02:26.90 10.0 undecidable manual PG 338 0.3663 0.08 1.6
--.PZZ.Z. 1987-05-28T09:02:24.40 10.0 undecidable manual SG 127 0.111 -0.32 0.8
--.DOI.Z. 1987-05-28T09:02:24.00 10.0 undecidable manual PG 110 0.1998 0.2 1.7
--.PZZ.Z. 1987-05-28T09:02:22.60 10.0 undecidable manual PG 127 0.111 0.37 1.1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download