Earthquake with magnitude of Md 2.0 on date 25-05-1989 and time 17:19:42 (Italy) in region 1 km W Giaglione (TO)

A magnitude Md 2.0 earthquake occured in region: 1 km W Giaglione (TO), on

  • 25-05-1989 15:19:42 (UTC)
  • 25-05-1989 17:19:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.1380, 7.0070 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
Giaglione TO 1 631 631
Gravere TO 2 692 1323
Venaus TO 2 907 2230
Chiomonte TO 3 916 3146
Susa TO 3 6466 9612
Mompantero TO 4 659 10271
Meana di Susa TO 5 826 11097
Novalesa TO 6 534 11631
Exilles TO 7 273 11904
Moncenisio TO 8 36 11940
Mattie TO 9 687 12627
Usseaux TO 10 186 12813
Bussoleno TO 11 6094 18907
Fenestrelle TO 12 544 19451
Salbertrand TO 12 596 20047
Chianocco TO 13 1675 21722
San Giorio di Susa TO 14 1024 22746
Pragelato TO 14 776 23522
Bruzolo TO 15 1524 25046
San Didero TO 16 551 25597
Sauze d'Oulx TO 17 1109 26706
Villar Focchiardo TO 18 2042 28748
Roure TO 18 848 29596
Oulx TO 18 3307 32903
Borgone Susa TO 19 2229 35132
Usseglio TO 20 209 35341

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km W of Torino (890529 inhabitants)
56 Km W of Moncalieri (57294 inhabitants)
93 Km NW of Cuneo (56081 inhabitants)
98 Km W 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 2.0 1989-05-25
15:19:42
45.138 7.007 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 92049
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-05-25 15:19:42 ± 0.253
Latitude 45.1380 ± 0.0149
Longitude 7.0070 ± 0.0250
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 92049

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) 2570.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.00567
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:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 92049
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:26:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PZZ.Z. 1989-05-25T15:20:03.72 10.0 undecidable manual SG 174 0.6327 -1.09 0.2
--.PZZ.Z. 1989-05-25T15:19:55.21 10.0 undecidable manual PG 174 0.6327 -0.16 1.5
--.LSD.Z. 1989-05-25T15:19:54.80 10.0 undecidable manual SG 18 0.333 -0.36 0.8
--.RRL.Z. 1989-05-25T15:19:53.88 10.0 undecidable manual SG 216 0.2553 0.87 0.2
--.LSD.Z. 1989-05-25T15:19:50.80 10.0 undecidable manual PG 18 0.333 0.28 1.8
--.RSP.Z. 1989-05-25T15:19:49.98 10.0 undecidable manual SG 85 0.1665 -0.09 0.8
--.RRL.Z. 1989-05-25T15:19:49.26 10.0 undecidable manual PG 216 0.2553 0.71 0.9
--.BNI.Z. 1989-05-25T15:19:47.00 10.0 undecidable manual PG 249 0.2442 -1.14 0.6
--.RSP.Z. 1989-05-25T15:19:46.90 10.0 undecidable manual PG 85 0.1665 0.04 2.1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download