Earthquake with magnitude of ML 1.8 on date 08-03-2022 and time 15:32:35 (Italy) in region 5 km NW Cogoleto (GE)

A magnitude ML 1.8 earthquake occured in region: 5 km NW Cogoleto (GE), on

  • 08-03-2022 14:32:35 (UTC)
  • 08-03-2022 15:32:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.4270, 8.6140 at 8 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
Cogoleto GE 5 9172 9172
Arenzano GE 6 11519 20691
Urbe SV 7 700 21391
Varazze SV 8 13251 34642
Stella SV 10 3009 37651
Celle Ligure SV 11 5237 42888
Mele GE 11 2725 45613
Tiglieto GE 11 546 46159
Sassello SV 11 1777 47936
Masone GE 12 3679 51615
Albisola Superiore SV 13 10163 61778
Albissola Marina SV 14 5487 67265
Campo Ligure GE 14 2955 70220
Pontinvrea SV 14 847 71067
Rossiglione GE 16 2779 73846
Savona SV 17 61345 135191
Mioglia SV 18 526 135717
Giusvalla SV 18 441 136158

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NE of Savona (61345 inhabitants)
25 Km W of Genova (586655 inhabitants)
54 Km S of Alessandria (93943 inhabitants)
62 Km SE of Asti (76202 inhabitants)
84 Km E of Cuneo (56081 inhabitants)
94 Km NE of Sanremo (54807 inhabitants)
95 Km SW of Pavia (72576 inhabitants)
97 Km SE of Moncalieri (57294 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 1.8 2022-03-08
14:32:35
44.4273 8.6142 8 2022-07-08
12:33:36
Bollettino Sismico Italiano INGV 102032691
Reviewed
Rev100
ML 2.0 2022-03-08
14:32:35
44.4293 8.6157 8 2022-03-08
14:41:03
Sala Sismica INGV-Roma 101790201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-08 14:32:35 ± 0.08
Latitude 44.4273 ± 0.0063
Longitude 8.6142 ± 0.0063
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 102032691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 643
Semi-minor axis of confidence ellipse (meter) 430
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 156
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.13135
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 101790201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-08 14:41:03

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 102032691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-16 13:59:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MC2.EHZ. 2022-03-08T14:34:32.03 3.0 undecidable manual Sg 14.29 0
IV.CAFE.HHZ. 2022-03-08T14:34:19.50 3.0 undecidable manual Pg 15.23 0
IV.FOSV.EHZ. 2022-03-08T14:34:11.82 3.0 undecidable manual Sn 4.93 0
IV.FVI.HHZ. 2022-03-08T14:33:40.82 3.0 undecidable manual Pg 8.33 0
IV.ZEN8.EHZ. 2022-03-08T14:33:36.94 3.0 undecidable manual Sg 1.5 0
SI.BOSI.HHZ. 2022-03-08T14:33:26.94 3.0 negative manual Pg 5.93 0
ST.RONC.EHZ. 2022-03-08T14:33:12.40 3.0 undecidable manual Pn 1.08 0
GU.PZZ.HHZ. 2022-03-08T14:33:10.11 0.6 undecidable manual S 275 118.992 50 0.18 40
GU.BHB.HHZ. 2022-03-08T14:33:08.86 0.6 undecidable manual S 293 115.8951 50 -0.25 39
IV.ZEN8.HNZ. 2022-03-08T14:33:08.85 3.0 undecidable manual Pn -0.08 0
GU.STV.HHZ. 2022-03-08T14:33:06.03 0.6 undecidable manual S 259 104.2179 50 0.05 42
FR.SAOF.HHZ.00 2022-03-08T14:33:04.43 1.0 undecidable manual S 240 97.5246 50 0.21 21
GU.EQUI.HHZ. 2022-03-08T14:32:56.92 0.6 undecidable manual P 103 125.5743 50 0.7 34
GU.BHB.HHZ. 2022-03-08T14:32:55.02 0.3 undecidable manual P 293 115.8951 50 0.29 59
GU.PZZ.HHZ. 2022-03-08T14:32:55.52 0.3 undecidable manual P 275 118.992 50 0.32 58
GU.STV.HHZ. 2022-03-08T14:32:53.33 0.6 undecidable manual P 259 104.2179 50 0.41 39
GU.RORO.HHZ. 2022-03-08T14:32:52.21 0.3 undecidable manual S 231 55.7997 50 -0.86 54
FR.SAOF.HHZ.00 2022-03-08T14:32:52.79 0.3 undecidable manual P 240 97.5246 50 0.88 50
GU.ROTM.HHZ. 2022-03-08T14:32:51.69 0.6 undecidable manual S 336 51.2154 50 -0.14 46
GU.CANO.HHZ. 2022-03-08T14:32:47.73 0.6 undecidable manual S 231 38.628 50 -0.75 39
GU.RORO.HHZ. 2022-03-08T14:32:45.44 0.3 undecidable manual P 231 55.7997 50 -0.03 70
GU.GORR.HHZ. 2022-03-08T14:32:45.75 0.6 undecidable manual P 69 57.1983 50 0.06 46
IT.GNV.HGE. 2022-03-08T14:32:44.20 0.6 undecidable manual S 89 25.1526 108 -0.06 49
GU.ROTM.HHZ. 2022-03-08T14:32:44.72 0.3 undecidable manual P 336 51.2154 50 -0.04 70
GU.RNCA.HHZ. 2022-03-08T14:32:44.82 0.6 undecidable manual S 80 27.1506 107 -0.09 48
IV.QLNO.HHZ. 2022-03-08T14:32:43.84 0.6 undecidable manual S 242 24.1536 109 -0.09 49
GU.CANO.HHZ. 2022-03-08T14:32:42.69 0.1 positive manual P 231 38.628 50 -0.13 94
IV.QLNO.HHZ. 2022-03-08T14:32:40.47 0.1 positive manual P 242 24.1536 109 0.28 93
GU.PCP.HHZ. 2022-03-08T14:32:40.20 0.6 undecidable manual S 337 13.7751 121 -0.43 46
GU.RNCA.HHZ. 2022-03-08T14:32:40.59 0.1 negative manual P 80 27.1506 107 -0.16 95
GU.GENL.EHN. 2022-03-08T14:32:40.83 0.6 undecidable manual P 95 28.2495 106 -0.15 48
IT.GNV.HGE. 2022-03-08T14:32:40.37 0.1 negative manual P 89 25.1526 108 -0.01 98
GU.PCP.HHZ. 2022-03-08T14:32:38.31 0.1 positive manual P 337 13.7751 121 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PCP.HHE. ML:2.0 0.0010095289499999999 0.0768 AML other m 2022-03-08T14:32:40.45
GU.PCP.HHN. ML:1.9 0.00090018095 0.1216 AML other m 2022-03-08T14:32:40.25
GU.RNCA.HHE. ML:1.6 0.00020560725000000002 0.1792 AML other m 2022-03-08T14:32:45.55
GU.RNCA.HHN. ML:1.6 0.00024289815000000001 0.224 AML other m 2022-03-08T14:32:46.09
GU.GORR.HHN. ML:1.7 0.000101709145 0.416 AML other m 2022-03-08T14:32:56.07
GU.GORR.HHE. ML:1.7 0.000098515825 0.3008 AML other m 2022-03-08T14:32:55.61
FR.SAOF.HHE.00 ML:1.8 0.00006354066 0.2176 AML other m 2022-03-08T14:33:05.20
FR.SAOF.HHN.00 ML:2.0 0.00010670574999999999 0.2432 AML other m 2022-03-08T14:33:05.37
GU.STV.HHE. ML:1.7 0.000043772399999999994 0.16 AML other m 2022-03-08T14:33:09.11
GU.STV.HHN. ML:1.7 0.000044547235 0.16 AML other m 2022-03-08T14:33:08.74
GU.ROTM.HHN. ML:2.4 0.00066113865 0.3008 AML other m 2022-03-08T14:32:53.08
GU.ROTM.HHE. ML:2.2 0.0003595667 0.2944 AML other m 2022-03-08T14:32:51.92
GU.RORO.HHE. ML:0.0 0.0010878202999999999 0.7168 AML other m 2022-03-08T14:33:05.05
GU.RORO.HHN. ML:0.0 0.0008175 0.14 AML other m 2022-03-08T14:32:53.19
GU.EQUI.HHN. ML:1.7 0.00003258268 1.1776 AML other m 2022-03-08T14:33:23.18
GU.EQUI.HHE. ML:1.6 0.000030153345 0.8768 AML other m 2022-03-08T14:33:04.33
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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