Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 26-01-2022 and time 20:06:13 (Italy) in region 4 km NW Follo (SP)

A magnitude ML 1.5 earthquake occured in region: 4 km NW Follo (SP), on

  • 26-01-2022 19:06:13 (UTC)
  • 26-01-2022 20:06:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1980, 9.8360 at 13 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Follo SP 4 6337 6337
Bolano SP 5 7813 14150
Calice al Cornoviglio SP 5 1138 15288
Beverino SP 5 2429 17717
Riccò del Golfo di Spezia SP 7 3698 21415
Vezzano Ligure SP 7 7356 28771
Santo Stefano di Magra SP 8 9360 38131
Podenzana MS 9 2180 40311
Rocchetta di Vara SP 9 703 41014
Pignone SP 9 565 41579
Borghetto di Vara SP 10 938 42517
Brugnato SP 10 1270 43787
La Spezia SP 10 93959 137746
Tresana MS 10 2044 139790
Aulla MS 11 11263 151053
Arcola SP 11 10607 161660
Zignago SP 11 532 162192
Riomaggiore SP 13 1576 163768
Sarzana SP 14 21976 185744
Vernazza SP 14 848 186592
Villafranca in Lunigiana MS 14 4770 191362
Lerici SP 15 10228 201590
Mulazzo MS 15 2424 204014
Carrodano SP 15 503 204517
Monterosso al Mare SP 15 1464 205981
Portovenere SP 16 3630 209611
Fosdinovo MS 16 4883 214494
Sesta Godano SP 17 1377 215871
Filattiera MS 17 2309 218180
Ameglia SP 18 4365 222545
Licciana Nardi MS 18 4949 227494
Levanto SP 18 5499 232993
Zeri MS 18 1094 234087
Bagnone MS 18 1887 235974
Castelnuovo Magra SP 18 8415 244389
Carro SP 20 545 244934

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km N of La Spezia (93959 inhabitants)
25 Km NW of Carrara (63133 inhabitants)
30 Km NW of Massa (69479 inhabitants)
50 Km NW of Viareggio (62467 inhabitants)
66 Km NW of Lucca (89046 inhabitants)
70 Km NW of Pisa (89158 inhabitants)
76 Km E of Genova (586655 inhabitants)
78 Km SW of Parma (192836 inhabitants)
81 Km NW of Livorno (159219 inhabitants)
84 Km SW of Reggio nell'Emilia (171345 inhabitants)
91 Km W of Pistoia (90315 inhabitants)
96 Km S of Piacenza (102191 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 1.5 2022-01-26
19:06:13		 44.1982 9.8355 13 2022-07-08
12:33:26		 Bollettino Sismico Italiano INGV 100574461
Reviewed
Rev100 		ML 1.5 2022-01-26
19:06:13		 44.2043 9.8438 12 2022-01-26
19:18:46		 Sala Sismica INGV-Roma 100210301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-26 19:06:13 ± 0.08
Latitude 44.1982 ± 0.0063
Longitude 9.8355 ± 0.0050
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100574461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 680
Semi-minor axis of confidence ellipse (meter) 304
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) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.14484
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 25
Type of magnitude ML
Reference to an origin 100574461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-27 09:52:05

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 21
Type of magnitude ML
Reference to an origin 100210301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-26 19:18:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENI.HNZ. 2022-01-26T19:07:24.91 3.0 undecidable manual Sn -0.21 0
GU.POPM.HHZ. 2022-01-26T19:06:36.03 0.6 undecidable manual S 103 75.2691 92 0.08 45
IV.PII.HHZ. 2022-01-26T19:06:36.27 0.6 undecidable manual S 134 76.2681 92 0.06 45
GU.RNCA.HHE. 2022-01-26T19:06:35.98 0.6 undecidable manual S 294 76.4679 92 -0.27 44
IV.BOB.HHE. 2022-01-26T19:06:34.78 0.6 undecidable manual S 334 70.2741 92 0.18 44
GU.CANO.HHZ. 2022-01-26T19:06:33.67 0.6 undecidable manual P 271 127.0728 91 -0.72 34
IV.BDI.HHZ. 2022-01-26T19:06:32.24 0.6 undecidable manual S 104 62.3931 92 -0.25 44
GU.GSCL.HHN. 2022-01-26T19:06:32.66 0.6 undecidable manual S 74 62.0934 92 0.22 45
GU.MAIM.HHZ. 2022-01-26T19:06:31.59 0.6 undecidable manual S 121 61.0944 92 -0.57 41
GU.GORR.HHZ. 2022-01-26T19:06:31.89 0.6 undecidable manual S 317 62.493 92 -0.65 40
IV.ERBM.EHE. 2022-01-26T19:06:30.57 0.6 undecidable manual S 62 52.0035 93 0.84 38
GU.CARD.HHZ. 2022-01-26T19:06:30.39 0.6 undecidable manual S 110 54.9006 93 -0.12 46
IV.CRMI.HHZ. 2022-01-26T19:06:29.91 0.6 undecidable manual P 116 101.6205 91 -0.56 38
GU.RNCA.HHE. 2022-01-26T19:06:27.02 0.3 undecidable manual P 294 76.4679 92 0.44 62
GU.POPM.HHZ. 2022-01-26T19:06:26.78 0.3 undecidable manual P 103 75.2691 92 0.37 64
IV.PII.HHZ. 2022-01-26T19:06:26.50 0.3 undecidable manual P 134 76.2681 92 -0.06 67
GU.SARM.EHN. 2022-01-26T19:06:26.97 0.6 undecidable manual S 92 45.0216 93 -0.9 37
IV.BOB.HHE. 2022-01-26T19:06:25.77 0.3 undecidable manual P 334 70.2741 92 0.14 67
GU.GRAM.HHZ. 2022-01-26T19:06:25.31 0.6 undecidable manual S 29 37.2294 94 -0.47 44
IV.BDI.HHZ. 2022-01-26T19:06:24.55 0.1 undecidable manual P 104 62.3931 92 0.13 92
GU.MAIM.HHZ. 2022-01-26T19:06:24.61 0.3 undecidable manual P 121 61.0944 92 0.38 65
GU.GSCL.HHN. 2022-01-26T19:06:24.77 0.1 undecidable manual P 74 62.0934 92 0.39 87
GU.GORR.HHZ. 2022-01-26T19:06:24.39 0.3 undecidable manual P 317 62.493 92 -0.05 70
IV.ERBM.EHE. 2022-01-26T19:06:23.19 0.1 undecidable manual P 62 52.0035 93 0.37 89
GU.CARD.HHZ. 2022-01-26T19:06:23.38 0.3 undecidable manual P 110 54.9006 93 0.11 70
IV.MSSA.HHZ. 2022-01-26T19:06:23.13 0.3 undecidable manual S 298 28.4493 97 -0.34 71
GU.EQUI.HHZ. 2022-01-26T19:06:21.95 0.3 undecidable manual S 98 25.5522 99 -0.73 61
GU.SARM.EHN. 2022-01-26T19:06:21.77 0.1 undecidable manual P 92 45.0216 93 0.03 96
GU.FIVI.HNZ. 2022-01-26T19:06:21.82 0.3 undecidable manual S 79 23.6541 100 -0.37 70
GU.GRAM.HHZ. 2022-01-26T19:06:20.57 0.1 positive manual P 29 37.2294 94 0.03 98
IV.PLMA.HHZ. 2022-01-26T19:06:20.34 0.6 undecidable manual S 175 16.4724 111 -0.01 51
IV.MSSA.HHZ. 2022-01-26T19:06:19.27 0.1 negative manual P 298 28.4493 97 0.07 98
GU.FIVI.HNZ. 2022-01-26T19:06:18.54 0.1 undecidable manual P 79 23.6541 100 0.07 99
GU.EQUI.HHZ. 2022-01-26T19:06:18.77 0.1 undecidable manual P 98 25.5522 99 0.02 100
IV.PLMA.HHZ. 2022-01-26T19:06:17.74 0.1 undecidable manual P 175 16.4724 111 0.34 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLMA.HHE. ML:1.6 0.000279 0.06 AML other m 2022-01-26T19:06:20.55
IV.PLMA.HHN. ML:1.7 0.00038058844999999995 0.1024 AML other m 2022-01-26T19:06:20.67
GU.EQUI.HHE. ML:1.3 0.0001109 1.18 AML other m 2022-01-26T19:06:22.13
GU.EQUI.HHN. ML:1.2 0.00008149999999999999 0.08 AML other m 2022-01-26T19:06:22.58
IV.MSSA.HHN. ML:2.1 0.0006955 0.1 AML other m 2022-01-26T19:06:23.35
IV.MSSA.HHE. ML:2.4 0.001185 1.9 AML other m 2022-01-26T19:06:23.02
GU.GRAM.HHE. ML:1.4 0.00008725110999999999 0.2048 AML other m 2022-01-26T19:06:26.78
GU.GRAM.HHN. ML:1.4 0.00009510014999999999 0.1664 AML other m 2022-01-26T19:06:27.17
GU.CARD.HHE. ML:1.6 0.00010125000000000001 0.58 AML other m 2022-01-26T19:06:32.53
GU.CARD.HHN. ML:1.6 0.00009988586500000001 0.0896 AML other m 2022-01-26T19:06:33.41
GU.MAIM.HHN. ML:1.4 0.000046551065 0.2816 AML other m 2022-01-26T19:06:33.98
GU.GORR.HHE. ML:1.4 0.000043660795 0.192 AML other m 2022-01-26T19:06:34.80
IV.BDI.HHE. ML:1.6 0.00007275 0.14 AML other m 2022-01-26T19:06:34.92
GU.GORR.HHN. ML:1.3 0.00003718691 0.2816 AML other m 2022-01-26T19:06:34.85
GU.MAIM.HHE. ML:1.2 0.00003585 1.56 AML other m 2022-01-26T19:06:34.21
IV.BDI.HHN. ML:1.4 0.0000434388 0.128 AML other m 2022-01-26T19:06:35.07
IV.BDI.HNN. ML:1.5 0.00005290493499999999 0.0896 AML other m 2022-01-26T19:06:35.17
IV.BDI.HNE. ML:1.6 0.0000690173 0.128 AML other m 2022-01-26T19:06:35.42
IV.PII.HHE. ML:1.7 0.00008014892 0.3072 AML other m 2022-01-26T19:06:37.67
IV.PII.HHN. ML:1.8 0.00008803518999999999 1.7824 AML other m 2022-01-26T19:06:38.92
GU.POPM.HHE. ML:1.6 0.00006065 0.16 AML other m 2022-01-26T19:06:38.66
GU.POPM.HHN. ML:1.6 0.00006475 0.22 AML other m 2022-01-26T19:06:39.52
IV.CRMI.HHE. ML:0.7 0.0000046293597 0.1408 AML other m 2022-01-26T19:06:44.59
IV.CRMI.HHN. ML:0.7 0.0000066315685 0.1536 AML other m 2022-01-26T19:06:44.60
GU.CANO.HHN. ML:1.6 0.000027060994999999997 0.3584 AML other m 2022-01-26T19:06:52.59
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