Earthquake with magnitude of M 2.0 on date 14-12-1988 and time 19:23:29 (Italy) in region Costa Ligure Occidentale (Imperia)

A magnitude M 2.0 earthquake occured in region: Costa Ligure Occidentale (Imperia), on

  • 14-12-1988 18:23:29 (UTC)
  • 14-12-1988 19:23:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.7110, 7.5830 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
Ventimiglia IM 9 24310 24310
Vallecrosia IM 11 6956 31266
Bordighera IM 11 10469 41735
Camporosso IM 12 5632 47367
San Biagio della Cima IM 13 1329 48696
Vallebona IM 13 1310 50006
Soldano IM 14 977 50983
Ospedaletti IM 15 3367 54350
Dolceacqua IM 16 2074 56424
Seborga IM 16 315 56739
Airole IM 18 407 57146
Perinaldo IM 19 870 58016
Isolabona IM 19 679 58695
Olivetta San Michele IM 20 211 58906
Apricale IM 20 629 59535

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km SW of Sanremo (54807 inhabitants)
76 Km S of Cuneo (56081 inhabitants)
98 Km SW of Savona (61345 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
M 2.0 1988-12-14
18:23:29
43.711 7.583 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 83399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-12-14 18:23:29 ± 0.323
Latitude 43.7110 ± 0.0156
Longitude 7.5830 ± 0.0132
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 83399

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) 2033.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 288
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00267
Epicentral distance of station farthest from the epicenter (degree) 0.00777
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

M:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 83399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:48:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PZZ.Z. 1988-12-14T18:23:58.90 10.0 undecidable manual SG 336 0.8658 0.13 0.6
--.DOI.Z. 1988-12-14T18:23:57.80 10.0 undecidable manual SG 343 0.8214 0.23 0.5
--.FIN.Z. 1988-12-14T18:23:52.10 10.0 undecidable manual SG 42 0.666 -0.4 0.3
--.ROB.Z. 1988-12-14T18:23:50.90 10.0 undecidable manual SG 19 0.6216 -0.2 0.7
--.STV.Z. 1988-12-14T18:23:49.00 10.0 undecidable manual SG 341 0.5661 -0.27 0.5
--.DOI.Z. 1988-12-14T18:23:46.00 10.0 undecidable manual PG 343 0.8214 0.47 0.5
--.PZZ.Z. 1988-12-14T18:23:45.80 10.0 undecidable manual PG 336 0.8658 -0.42 0.6
--.FIN.Z. 1988-12-14T18:23:42.50 10.0 undecidable manual PG 42 0.666 -0.1 1.9
--.ROB.Z. 1988-12-14T18:23:41.90 10.0 undecidable manual PG 19 0.6216 0.11 2
--.IMI.Z. 1988-12-14T18:23:41.10 10.0 undecidable manual SG 48 0.2997 0.5 0.2
--.STV.Z. 1988-12-14T18:23:40.70 10.0 undecidable manual PG 341 0.5661 -0.04 2.1
--.IMI.Z. 1988-12-14T18:23:35.70 10.0 undecidable manual PG 48 0.2997 -0.02 2.1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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