Earthquake with magnitude of Md 2.3 on date 28-05-1988 and time 09:53:04 (UTC) in region 3 km E Entracque (CN)

A magnitude Md 2.3 earthquake occured in region: 3 km E Entracque (CN), on

  • 28-05-1988 09:53:04 (UTC)
  • 28-05-1988 11:53:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2340, 7.4320 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
Entracque CN 3 774 774
Roaschia CN 5 107 881
Valdieri CN 6 935 1816
Vernante CN 8 1178 2994
Robilante CN 9 2306 5300
Roccavione CN 10 2761 8061
Moiola CN 10 234 8295
Gaiola CN 12 582 8877
Borgo San Dalmazzo CN 12 12468 21345
Limone Piemonte CN 12 1485 22830
Roccasparvera CN 12 741 23571
Valloriate CN 13 109 23680
Rittana CN 13 109 23789
Demonte CN 14 2003 25792
Vignolo CN 14 2600 28392
Boves CN 14 9835 38227
Cervasca CN 17 5013 43240
Bernezzo CN 17 4104 47344
Peveragno CN 18 5543 52887
Aisone CN 19 248 53135
Valgrana CN 20 786 53921

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km SW of Cuneo (56081 inhabitants)
54 Km NW of Sanremo (54807 inhabitants)
84 Km W of Savona (61345 inhabitants)
88 Km S of Moncalieri (57294 inhabitants)
96 Km S of Torino (890529 inhabitants)
96 Km SW of Asti (76202 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 2.3 1988-05-28
09:53:04
44.234 7.432 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 70399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-05-28 09:53:04 ± 1.07
Latitude 44.2340 ± 0.0725
Longitude 7.4320 ± 0.0519
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 70399

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) 9062.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 254
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00267
Epicentral distance of station farthest from the epicenter (degree) 0.00874
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 70399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:06:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.BNI.Z. 1988-05-28T09:53:38.50 10.0 undecidable manual SG 326 0.9657 1.16 0
--.CKI.Z. 1988-05-28T09:53:25.50 10.0 undecidable manual SG 72 0.6327 -0.79 0.2
--.BNI.Z. 1988-05-28T09:53:23.00 10.0 undecidable manual PG 326 0.9657 -0.27 1.2
--.CKI.Z. 1988-05-28T09:53:17.50 10.0 undecidable manual PG 72 0.6327 0.61 0.8
--.DOI.Z. 1988-05-28T09:53:15.50 10.0 undecidable manual SG 333 0.2997 -0.11 0.7
--.DOI.Z. 1988-05-28T09:53:10.50 10.0 negative manual PG 333 0.2997 -0.23 3.1
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