Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.3 on date 14-06-1986 and time 02:36:21 (Italy) in region 3 km W Ceriana (IM)

A magnitude Md 2.3 earthquake occured in region: 3 km W Ceriana (IM), on

  • 14-06-1986 00:36:21 (UTC)
  • 14-06-1986 02:36:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8790, 7.7430 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ceriana IM 3 1250 1250
Bajardo IM 3 312 1562
Perinaldo IM 6 870 2432
Apricale IM 7 629 3061
Seborga IM 7 315 3376
Sanremo IM 7 54807 58183
Castel Vittorio IM 8 287 58470
Isolabona IM 8 679 59149
Ospedaletti IM 9 3367 62516
Pigna IM 9 859 63375
Soldano IM 9 977 64352
Badalucco IM 9 1136 65488
Vallebona IM 9 1310 66798
Taggia IM 10 14116 80914
Montalto Ligure IM 10 377 81291
San Biagio della Cima IM 10 1329 82620
Dolceacqua IM 10 2074 84694
Castellaro IM 10 1256 85950
Rocchetta Nervina IM 11 298 86248
Camporosso IM 12 5632 91880
Pompeiana IM 12 823 92703
Riva Ligure IM 12 2910 95613
Bordighera IM 12 10469 106082
Vallecrosia IM 12 6956 113038
Molini di Triora IM 13 617 113655
Terzorio IM 13 216 113871
Triora IM 13 355 114226
Pietrabruna IM 13 501 114727
Santo Stefano al Mare IM 13 2197 116924
Carpasio IM 14 168 117092
Ventimiglia IM 15 24310 141402
Airole IM 15 407 141809
Cipressa IM 16 1290 143099
Costarainera IM 16 828 143927
Prelà IM 17 503 144430
Civezza IM 17 609 145039
Dolcedo IM 17 1415 146454
San Lorenzo al Mare IM 18 1297 147751
Vasia IM 18 389 148140
Olivetta San Michele IM 18 211 148351
Aurigo IM 19 347 148698
Rezzo IM 19 366 149064
Borgomaro IM 20 865 149929

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km NW of Sanremo (54807 inhabitants)
59 Km S of Cuneo (56081 inhabitants)
76 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 		Md 2.3
M 2.4 		1986-06-14
00:36:21		 43.879 7.743 9 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 29339
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-06-14 00:36:21 ± 0.188
Latitude 43.8790 ± 0.0124
Longitude 7.7430 ± 0.0168
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 29339

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) 1922.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 168
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
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) 0.00971
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 29339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:30:41

M:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 29339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:50:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.LRG.Z. 1986-06-14T00:36:58.80 10.0 undecidable manual SN 247 1.0767 0.38 0.4
--.LMR.Z. 1986-06-14T00:36:56.00 10.0 undecidable manual SN 239 1.0434 -1.47 0
--.FRF.Z. 1986-06-14T00:36:51.00 10.0 undecidable manual SG 248 0.8436 -0.39 0.4
--.DA9.Z. 1986-06-14T00:36:47.00 10.0 undecidable manual SG 330 0.7104 -0.08 0.7
--.LRG.Z. 1986-06-14T00:36:43.60 10.0 undecidable manual PN 247 1.0767 0.58 0.5
--.LMR.Z. 1986-06-14T00:36:42.40 10.0 undecidable manual PN 239 1.0434 -0.07 1.4
--.FIN.Z. 1986-06-14T00:36:39.00 10.0 undecidable manual SG 45 0.4662 -0.06 0.7
--.FRF.Z. 1986-06-14T00:36:39.20 10.0 undecidable manual PG 248 0.8436 0.24 1.3
--.STV.Z. 1986-06-14T00:36:38.70 10.0 undecidable manual SG 321 0.4662 -0.59 0.3
--.ROB.Z. 1986-06-14T00:36:37.90 10.0 undecidable manual SG 12 0.4329 -0.01 0.7
--.DA9.Z. 1986-06-14T00:36:37.00 10.0 undecidable manual PG 330 0.7104 0.53 0.8
--.ENR.Z. 1986-06-14T00:36:36.60 10.0 undecidable manual SG 326 0.4107 -0.82 0.1
--.STV.Z. 1986-06-14T00:36:32.10 10.0 undecidable manual PG 321 0.4662 0.13 1.7
--.ROB.Z. 1986-06-14T00:36:31.40 10.0 undecidable manual PG 12 0.4329 0.23 1.5
--.FIN.Z. 1986-06-14T00:36:31.90 10.0 undecidable manual PG 45 0.4662 0.06 1.8
--.ENR.Z. 1986-06-14T00:36:30.90 10.0 undecidable manual PG 326 0.4107 0.01 1.8
--.IMP.Z. 1986-06-14T00:36:24.90 10.0 positive manual PG 70 0.111 -0.25 3
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