Earthquake with magnitude of ML 1.8 on date 20-06-2008 and time 07:01:18 (Italy) in region Costa Ligure Occidentale (Imperia)

A magnitude ML 1.8 earthquake occured in region: Costa Ligure Occidentale (Imperia), on

  • 20-06-2008 05:01:18 (UTC)
  • 20-06-2008 07:01:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7980, 7.8130 at 11 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
Sanremo IM 4 54807 54807
Taggia IM 6 14116 68923
Riva Ligure IM 7 2910 71833
Ospedaletti IM 8 3367 75200
Santo Stefano al Mare IM 8 2197 77397
Pompeiana IM 9 823 78220
Castellaro IM 9 1256 79476
Terzorio IM 9 216 79692
Ceriana IM 10 1250 80942
Seborga IM 10 315 81257
Bordighera IM 11 10469 91726
Cipressa IM 12 1290 93016
Vallebona IM 12 1310 94326
Costarainera IM 12 828 95154
Pietrabruna IM 13 501 95655
Soldano IM 13 977 96632
San Biagio della Cima IM 13 1329 97961
Perinaldo IM 14 870 98831
Vallecrosia IM 14 6956 105787
Badalucco IM 14 1136 106923
San Lorenzo al Mare IM 14 1297 108220
Bajardo IM 14 312 108532
Civezza IM 14 609 109141
Montalto Ligure IM 15 377 109518
Camporosso IM 15 5632 115150
Apricale IM 15 629 115779
Dolceacqua IM 16 2074 117853
Ventimiglia IM 16 24310 142163
Dolcedo IM 17 1415 143578
Isolabona IM 17 679 144257
PrelĂ  IM 18 503 144760
Castel Vittorio IM 18 287 145047
Carpasio IM 19 168 145215
Vasia IM 19 389 145604
Pigna IM 19 859 146463
Rocchetta Nervina IM 20 298 146761
Imperia IM 20 42034 188795

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km SE of Sanremo (54807 inhabitants)
70 Km SE of Cuneo (56081 inhabitants)
78 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 2.1
ML 1.8
2008-06-20
05:01:18
43.798 7.813 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 697919
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2008-06-20 05:01:18 ± 0.24
Latitude 43.7980 ± 0.0117
Longitude 7.8130 ± 0.0075
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 697919

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1332
Semi-minor axis of confidence ellipse (meter) 519
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 176
Circular confidence region, given by single value of horizontal uncertainty (meter) 1431.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 286
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.90921
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 697919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:13:11

Md:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 697919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:13:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FAGN.HHN. 2008-06-20T05:02:04.07 10.0 undecidable manual Pg 0 0 0
GU.PCP.HHE. 2008-06-20T05:01:48.39 0.1 undecidable manual Sg 35 100.9212 -0.041 86
GU.PZZ.HHZ. 2008-06-20T05:01:47.27 0.1 undecidable manual Sg 325 96.2259 0.102 85
IV.DOI.HHN. 2008-06-20T05:01:45.73 0.1 undecidable manual Sg 330 90.3429 0.125 86
IV.QLNO.HHE. 2008-06-20T05:01:40.77 0.1 undecidable manual Sg 36 72.1722 0.015 91
GU.STV.HHZ. 2008-06-20T05:01:37.97 0.1 undecidable manual Sg 322 62.9925 -0.337 87
GU.PCP.HHE. 2008-06-20T05:01:36.23 0.1 undecidable manual Pg 35 100.9212 0.244 82
GU.PZZ.HHZ. 2008-06-20T05:01:35.48 0.1 undecidable manual Pg 325 96.2259 0.224 83
IV.DOI.HHN. 2008-06-20T05:01:34.47 0.1 undecidable manual Pg 330 90.3429 0.116 86
IV.QLNO.HHE. 2008-06-20T05:01:31.23 0.3 undecidable manual Pg 36 72.1722 -0.323 64
GU.STV.HHZ. 2008-06-20T05:01:30.04 0.1 undecidable manual Pg 322 62.9925 -0.102 91
IV.IMI.HHZ. 2008-06-20T05:01:25.21 0.1 undecidable manual Sg 27 13.9749 0.07 100
IV.IMI.HHZ. 2008-06-20T05:01:22.40 0.1 undecidable manual Pg 27 13.9749 -0.139 99
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