Earthquake with magnitude of ML 2.5 on date 07-11-2015 and time 19:53:43 (UTC) in region Costa Ligure Occidentale (Imperia)

A magnitude ML 2.5 earthquake occured in region: Costa Ligure Occidentale (Imperia), on

  • 07-11-2015 19:53:43 (UTC)
  • 07-11-2015 20:53:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.7030, 7.7910 at 18 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
Ospedaletti IM 12 3367 3367
Bordighera IM 13 10469 13836
Sanremo IM 13 54807 68643
Vallecrosia IM 16 6956 75599
Seborga IM 16 315 75914
Vallebona IM 16 1310 77224
Taggia IM 17 14116 91340
Riva Ligure IM 17 2910 94250
San Biagio della Cima IM 17 1329 95579
Santo Stefano al Mare IM 17 2197 97776
Ventimiglia IM 18 24310 122086
Soldano IM 18 977 123063
Camporosso IM 18 5632 128695
Pompeiana IM 19 823 129518
Terzorio IM 19 216 129734
Castellaro IM 19 1256 130990
Ceriana IM 20 1250 132240

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km S of Sanremo (54807 inhabitants)
79 Km S of Cuneo (56081 inhabitants)
87 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
ML 2.5 2015-11-07
19:53:43
43.7033 7.7908 19 2016-02-19
13:22:41
Bollettino Sismico Italiano INGV 23066681
Reviewed
Rev100
ML 2.4 2015-11-07
19:53:45
43.7468 7.7737 12 2015-11-07
20:10:59
Sala Sismica INGV-Roma 22139841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-11-07 19:53:43 ± 0.24
Latitude 43.7033 ± 0.0135
Longitude 7.7908 ± 0.0162
Depth (km) 19 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 23066681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1414
Semi-minor axis of confidence ellipse (meter) 770
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 177
Circular confidence region, given by single value of horizontal uncertainty (meter) 1410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.00459
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 23066681
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-01-21 16:35:39

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 22139841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-11-07 20:10:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ERC.EHZ. 2015-11-07T19:55:28.35 3.0 undecidable manual Pn 2.51 0
IV.APEC.HHZ. 2015-11-07T19:55:26.99 3.0 undecidable manual Sn 6.97 0
IV.PTRJ.HHZ. 2015-11-07T19:55:09.93 3.0 undecidable manual Pn 1.53 0
IV.FIAM.HHZ. 2015-11-07T19:55:04.43 3.0 negative manual Pg 14.54 0
IV.FOSV.EHZ. 2015-11-07T19:54:56.55 3.0 undecidable manual Pg 14.19 0
IV.PP3.EHZ. 2015-11-07T19:54:54.39 3.0 positive manual Pn 3.79 0
IV.SBPO.HNZ. 2015-11-07T19:54:35.88 3.0 positive manual Pg 8.47 0
IV.LEOD.HNZ. 2015-11-07T19:54:28.58 3.0 undecidable manual Pg 4.18 0
GU.PCP.HHZ. 2015-11-07T19:54:16.14 0.6 undecidable manual S 33 110.7003 94 0.09 44
FR.AJAC.HHE. 2015-11-07T19:54:15.04 0.3 undecidable manual P 158 212.232 54 -1.3 28
IV.CELB.HHE. 2015-11-07T19:54:15.69 0.6 undecidable manual P 118 222.5106 54 -1.93 11
GU.PZZ.HHZ. 2015-11-07T19:54:14.05 0.6 undecidable manual S 329 104.118 95 -0.25 43
IV.PLMA.HHE. 2015-11-07T19:54:12.46 0.6 undecidable manual P 76 169.3971 54 1.46 22
FR.CORF.HHE. 2015-11-07T19:54:11.96 3.0 undecidable manual P -4.07 0
IV.MONC.HHZ. 2015-11-07T19:54:09.30 0.6 undecidable manual P 4 152.4363 54 0.4 37
IV.GROG.HHN. 2015-11-07T19:54:09.87 0.6 undecidable manual P 100 171.6948 54 -1.42 21
IV.QLNO.HHZ. 2015-11-07T19:54:08.40 0.6 undecidable manual S 33 81.8514 96 0 46
GU.ROTM.HHZ. 2015-11-07T19:54:07.24 0.6 undecidable manual P 19 134.7651 93 1.05 31
IV.MSSA.HHZ. 2015-11-07T19:54:07.39 0.1 undecidable manual P 63 153.6351 54 -1.65 39
GU.PCP.HHZ. 2015-11-07T19:54:03.17 0.6 undecidable manual P 33 110.7003 94 0.68 38
GU.ENR.HHZ. 2015-11-07T19:54:03.60 0.3 undecidable manual S 333 65.1903 98 -0.36 68
GU.GBOS.HHZ. 2015-11-07T19:54:02.10 0.3 undecidable manual S 4 59.7957 99 -0.46 67
GU.PZZ.HHZ. 2015-11-07T19:54:01.79 0.6 undecidable manual P 329 104.118 95 0.31 42
GU.RORO.HHZ. 2015-11-07T19:53:59.60 0.3 undecidable manual S 26 50.4162 101 -0.48 67
IV.QLNO.HHZ. 2015-11-07T19:53:58.61 0.3 undecidable manual P 33 81.8514 96 0.53 64
GU.ENR.HHZ. 2015-11-07T19:53:56.10 0.1 negative manual P 333 65.1903 98 0.58 84
GU.MGRO.HHZ. 2015-11-07T19:53:56.50 0.3 undecidable manual S 2 37.629 106 -0.27 72
GU.GBOS.HHZ. 2015-11-07T19:53:55.18 0.1 negative manual P 4 59.7957 99 0.47 89
FR.SAOF.HHZ.00 2015-11-07T19:53:55.90 0.1 undecidable manual S 329 36.6411 107 -0.62 89
IV.IMI.HHZ. 2015-11-07T19:53:53.00 0.3 undecidable manual S 20 24.3534 118 -0.47 71
GU.RORO.HHZ. 2015-11-07T19:53:53.72 0.1 undecidable manual P 26 50.4162 101 0.44 92
GU.BURY.HHZ. 2015-11-07T19:53:52.20 0.1 undecidable manual S 295 20.6682 123 -0.42 98
FR.SAOF.HHZ.00 2015-11-07T19:53:51.39 0.1 negative manual P 329 36.6411 107 0.17 99
GU.MGRO.HHZ. 2015-11-07T19:53:51.76 0.1 negative manual P 2 37.629 106 0.4 94
IV.IMI.HHZ. 2015-11-07T19:53:49.79 0.1 undecidable manual P 20 24.3534 118 0.33 98
GU.BURY.HHZ. 2015-11-07T19:53:49.18 0.1 negative manual P 295 20.6682 123 0.21 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BURY.HHN. ML:2.6 0.0024249999999999996 0.38 AML other m 2015-11-07T19:53:52.54
GU.BURY.HHE. ML:2.6 0.00204 0.54 AML other m 2015-11-07T19:53:52.45
GU.ENR.HHE. ML:2.4 0.00044950000000000003 0.3 AML other m 2015-11-07T19:54:03.85
GU.ENR.HHN. ML:2.5 0.0005475000000000001 0.14 AML other m 2015-11-07T19:54:04.44
GU.GBOS.HHE. ML:2.3 0.00038700000000000003 0.18 AML other m 2015-11-07T19:54:02.46
GU.GBOS.HHN. ML:2.0 0.000203 0.6 AML other m 2015-11-07T19:54:02.78
IV.IMI.HHN. ML:2.5 0.001765 0.6 AML other m 2015-11-07T19:53:53.24
IV.IMI.HHE. ML:2.6 0.00225 0.1 AML other m 2015-11-07T19:53:53.22
GU.MGRO.HHE. ML:2.4 0.0009845000000000001 0.22 AML other m 2015-11-07T19:53:56.64
GU.MGRO.HHN. ML:2.4 0.000885 0.2 AML other m 2015-11-07T19:53:57.10
IV.MONC.HHE. ML:2.5 0.000163 0.36 AML other m 2015-11-07T19:54:35.16
IV.MONC.HHN. ML:2.5 0.000151 0.52 AML other m 2015-11-07T19:54:44.88
GU.PCP.HHN. ML:2.0 0.00008829999999999999 0.42 AML other m 2015-11-07T19:54:19.05
GU.PCP.HHE. ML:2.2 0.00013900000000000002 0.26 AML other m 2015-11-07T19:54:19.62
GU.PZZ.HHE. ML:2.6 0.00036850000000000007 1.5 AML other m 2015-11-07T19:54:15.41
GU.PZZ.HHN. ML:2.8 0.0005814999999999999 0.38 AML other m 2015-11-07T19:54:15.40
IV.QLNO.HHE. ML:2.2 0.0001885 0.96 AML other m 2015-11-07T19:54:09.13
IV.QLNO.HHN. ML:2.4 0.00037 0.26 AML other m 2015-11-07T19:54:09.44
GU.ROTM.HHN. ML:2.9 0.000444 0.68 AML other m 2015-11-07T19:54:29.32
GU.ROTM.HHE. ML:2.8 0.00037150000000000003 0.48 AML other m 2015-11-07T19:54:32.77
FR.SAOF.HHN.00 ML:2.4 0.0009405 0.16 AML other m 2015-11-07T19:53:56.19
FR.SAOF.HHE.00 ML:2.6 0.001515 0.4 AML other m 2015-11-07T19:53:56.46
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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