Earthquake with magnitude of Md 2.2 on date 09-05-1988 and time 04:42:29 (Italy) in region 2 km W Frassino (CN)

A magnitude Md 2.2 earthquake occured in region: 2 km W Frassino (CN), on

  • 09-05-1988 02:42:29 (UTC)
  • 09-05-1988 04:42:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5730, 7.2490 at 15 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
Frassino CN 2 265 265
Sampeyre CN 5 1022 1287
Melle CN 6 292 1579
Valmala CN 8 52 1631
Brossasco CN 9 1084 2715
San Damiano Macra CN 9 430 3145
Macra CN 10 59 3204
Sanfront CN 10 2395 5599
Gambasca CN 10 371 5970
Isasca CN 11 76 6046
Cartignano CN 11 190 6236
Martiniana Po CN 11 734 6970
Celle di Macra CN 11 100 7070
Venasca CN 12 1437 8507
Rifreddo CN 12 1078 9585
Stroppo CN 12 103 9688
Oncino CN 13 76 9764
Paesana CN 13 2784 12548
Brondello CN 13 290 12838
Roccabruna CN 13 1585 14423
Elva CN 13 97 14520
Ostana CN 14 83 14603
Casteldelfino CN 14 157 14760
Villar San Costanzo CN 14 1547 16307
Revello CN 15 4262 20569
Dronero CN 15 7035 27604
Rossana CN 15 908 28512
Pagno CN 15 585 29097
Envie CN 16 2074 31171
Crissolo CN 16 168 31339
Castellar CN 16 295 31634
Piasco CN 17 2774 34408
Pradleves CN 17 250 34658
Marmora CN 18 68 34726
Montemale di Cuneo CN 18 241 34967
Barge CN 18 7774 42741
Prazzo CN 18 170 42911
Bellino CN 18 109 43020
Castelmagno CN 18 66 43086
Pontechianale CN 18 179 43265
Canosio CN 19 80 43345
Costigliole Saluzzo CN 19 3375 46720
Verzuolo CN 19 6459 53179
Busca CN 19 10181 63360
Monterosso Grana CN 19 505 63865
Manta CN 19 3787 67652

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of Cuneo (56081 inhabitants)
59 Km SW of Moncalieri (57294 inhabitants)
65 Km SW of Torino (890529 inhabitants)
84 Km W of Asti (76202 inhabitants)
94 Km NW of Sanremo (54807 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 2.2 1988-05-09
02:42:29
44.573 7.249 15 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 68989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-05-09 02:42:29 ± 0.371
Latitude 44.5730 ± 0.0218
Longitude 7.2490 ± 0.0314
Depth (km) 15 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 68989

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) 3478.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00057
Epicentral distance of station farthest from the epicenter (degree) 0.00793
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 68989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:05:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.LSD.Z. 1988-05-09T02:42:58.30 10.0 undecidable manual SG 355 0.8769 -1.6 0
--.IMI.Z. 1988-05-09T02:42:56.30 10.0 undecidable manual SG 144 0.7992 -1.07 0.1
--.ROB.Z. 1988-05-09T02:42:48.40 10.0 undecidable manual SG 121 0.5106 0.16 0.8
--.LSD.Z. 1988-05-09T02:42:47.60 10.0 undecidable manual PG 355 0.8769 0.55 0.9
--.IMI.Z. 1988-05-09T02:42:45.40 10.0 undecidable manual PG 144 0.7992 -0.19 1.5
--.STV.Z. 1988-05-09T02:42:41.40 10.0 undecidable manual SG 169 0.3219 -0.67 0.4
--.ROB.Z. 1988-05-09T02:42:40.60 10.0 undecidable manual PG 121 0.5106 0.28 1.7
--.STV.Z. 1988-05-09T02:42:37.20 10.0 undecidable manual PG 169 0.3219 0.44 1.5
--.PZZ.Z. 1988-05-09T02:42:35.80 10.0 undecidable manual SG 237 0.1221 -0.42 0.6
--.DOI.Z. 1988-05-09T02:42:34.82 10.0 undecidable manual SG 182 0.0666 -0.24 0.8
--.DOI.Z. 1988-05-09T02:42:33.14 10.0 undecidable manual PG 182 0.0666 0.43 1.6
--.PZZ.Z. 1988-05-09T02:42:33.40 10.0 undecidable manual PG 237 0.1221 0.02 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