Earthquake with magnitude of ML 1.4 on date 25-04-2014 and time 23:03:50 (Italy) in region Costa Ligure centro occidentale (Savona)

A magnitude ML 1.4 earthquake occured in region: Costa Ligure centro occidentale (Savona), on

  • 25-04-2014 21:03:50 (UTC)
  • 25-04-2014 23:03:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9610, 8.5970 at 14 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km S of Savona (61345 inhabitants)
57 Km SW of Genova (586655 inhabitants)
67 Km E of Sanremo (54807 inhabitants)
96 Km SE of Cuneo (56081 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 1.4 2014-04-25
21:03:50
43.9613 8.5972 14 2015-09-21
09:36:10
Bollettino Sismico Italiano INGV 16535091
Reviewed
Rev100
ML 1.4 2014-04-25
21:03:50
43.9852 8.5625 9 2014-10-21
12:08:56
Sala Sismica INGV-Roma 6297501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-04-25 21:03:50 ± 0.12
Latitude 43.9613 ± 0.0072
Longitude 8.5972 ± 0.0050
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 16535091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 628
Semi-minor axis of confidence ellipse (meter) 533
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 7
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 141
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.07739
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 1
Type of magnitude ML
Reference to an origin 16535091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-01-15 10:57:11

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 6297501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-04-25 21:11:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T0701.HNZ. 2014-04-25T21:05:49.61 3.0 undecidable manual Pg 17.68 0
IV.FIU.EHZ. 2014-04-25T21:04:59.99 3.0 undecidable manual Sn 4.59 0
IV.VVLD.HHZ. 2014-04-25T21:04:55.65 3.0 undecidable manual Pn -0.11 0
IV.ATVO.HHZ. 2014-04-25T21:04:43.67 3.0 undecidable manual Pg 7.51 0
IV.MURB.HHZ. 2014-04-25T21:04:43.09 3.0 undecidable manual Pg 6.37 0
IV.GROG.HHE. 2014-04-25T21:04:24.53 0.1 undecidable manual S 119 119.5914 92 0.1 86
GU.STV.HHZ. 2014-04-25T21:04:20.95 0.3 undecidable manual S 288 106.0161 92 0.14 66
IV.PLMA.HHE. 2014-04-25T21:04:19.09 0.3 undecidable manual S 84 100.7214 92 -0.3 64
GU.ENR.HHZ. 2014-04-25T21:04:19.33 0.3 undecidable manual S 288 98.2239 92 0.59 61
GU.GORR.HHE. 2014-04-25T21:04:17.26 0.3 undecidable manual S 37 90.4428 92 0.61 58
IV.MSSA.HHE. 2014-04-25T21:04:14.62 0.6 undecidable manual S 61 83.1501 93 -0.09 47
FR.SAOF.HHE. 2014-04-25T21:04:14.75 0.3 undecidable manual S 272 83.4498 93 -0.02 69
GU.BHB.HHZ. 2014-04-25T21:04:14.42 3.0 positive manual P 0.44 0
GU.NEGI.HHZ. 2014-04-25T21:04:12.18 0.3 undecidable manual S 260 72.6717 93 0.28 69
GU.GBOS.HHZ. 2014-04-25T21:04:10.29 0.3 undecidable manual S 298 67.8765 93 -0.34 67
IV.GROG.HHE. 2014-04-25T21:04:09.28 0.6 undecidable manual P 119 119.5914 92 -0.61 37
GU.PCP.HHZ. 2014-04-25T21:04:09.79 0.1 undecidable manual S 356 64.491 94 0.07 95
GU.STV.HHZ. 2014-04-25T21:04:08.11 0.3 undecidable manual P 288 106.0161 92 0.31 64
GU.ENR.HHZ. 2014-04-25T21:04:07.04 0.3 undecidable manual P 288 98.2239 92 0.44 63
IV.PLMA.HHE. 2014-04-25T21:04:06.96 0.3 undecidable manual P 84 100.7214 92 -0.02 68
GU.GORR.HHE. 2014-04-25T21:04:05.63 0.3 undecidable manual P 37 90.4428 92 0.23 66
FR.SAOF.HHE. 2014-04-25T21:04:04.47 0.3 undecidable manual P 272 83.4498 93 0.15 69
GU.RORO.HHZ. 2014-04-25T21:04:04.20 0.3 undecidable manual S 292 45.5211 96 -0.48 67
IV.QLNO.HHZ. 2014-04-25T21:04:04.10 0.3 undecidable manual S 334 44.9217 96 -0.43 70
IV.MSSA.HHE. 2014-04-25T21:04:04.13 0.6 undecidable manual P 61 83.1501 93 -0.14 46
GU.NEGI.HHZ. 2014-04-25T21:04:02.86 0.3 undecidable manual P 260 72.6717 93 0.2 70
GU.GBOS.HHZ. 2014-04-25T21:04:01.88 0.3 undecidable manual P 298 67.8765 93 -0.04 71
GU.PCP.HHZ. 2014-04-25T21:04:01.29 0.3 undecidable manual P 356 64.491 94 -0.11 72
GU.FINB.HHZ. 2014-04-25T21:04:00.80 0.3 undecidable manual S 318 32.3454 99 -0.39 71
GU.RORO.HHZ. 2014-04-25T21:03:58.44 0.3 undecidable manual P 292 45.5211 96 -0.05 74
IV.QLNO.HHZ. 2014-04-25T21:03:58.24 0.1 undecidable manual P 334 44.9217 96 -0.16 98
GU.FINB.HHZ. 2014-04-25T21:03:56.33 0.1 undecidable manual P 318 32.3454 99 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.FINB.HHE. ML:1.2 0.00007159999999999999 1.68 AML other m 2014-04-25T21:04:02.08
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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