Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 19-01-2020 and time 23:58:42 (UTC) in region 4 km S Garbagna (AL)

A magnitude ML 2.2 earthquake occured in region: 4 km S Garbagna (AL), on

  • 19-01-2020 23:58:42 (UTC)
  • 20-01-2020 00:58:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.7470, 9.0000 at 9 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
Garbagna AL 4 696 696
Cantalupo Ligure AL 5 527 1223
Borghetto di Borbera AL 5 1966 3189
Dernice AL 5 185 3374
Rocchetta Ligure AL 6 200 3574
Grondona AL 6 510 4084
San Sebastiano Curone AL 7 583 4667
Avolasca AL 7 294 4961
Sardigliano AL 7 406 5367
Albera Ligure AL 7 325 5692
Sant'Agata Fossili AL 8 425 6117
Roccaforte Ligure AL 8 136 6253
Brignano-Frascata AL 8 456 6709
Castellania AL 8 90 6799
Montacuto AL 9 278 7077
Casasco AL 9 129 7206
Gavazzana AL 10 180 7386
Vignole Borbera AL 10 2182 9568
Costa Vescovato AL 10 335 9903
Gremiasco AL 10 324 10227
Carezzano AL 10 431 10658
Stazzano AL 11 2486 13144
Momperone AL 11 223 13367
Montegioco AL 11 313 13680
Cassano Spinola AL 11 1731 15411
Arquata Scrivia AL 11 6409 21820
Cabella Ligure AL 11 528 22348
Montemarzino AL 11 341 22689
Serravalle Scrivia AL 12 6128 28817
Isola del Cantone GE 12 1540 30357
Cerreto Grue AL 12 323 30680
Paderna AL 12 220 30900
Fabbrica Curone AL 12 656 31556
Mongiardino Ligure AL 13 165 31721
Cecima PV 13 236 31957
Bagnaria PV 13 658 32615
Villalvernia AL 14 955 33570
Ponte Nizza PV 14 807 34377
Spineto Scrivia AL 14 337 34714
Villaromagnano AL 15 715 35429
Pozzol Groppo AL 15 328 35757
Berzano di Tortona AL 15 157 35914
Sarezzano AL 15 1171 37085
Carbonara Scrivia AL 15 1122 38207
Monleale AL 16 566 38773
Ronco Scrivia GE 16 4417 43190
Volpedo AL 16 1227 44417
Carrosio AL 16 510 44927
Vobbia GE 17 409 45336
Gavi AL 17 4614 49950
Volpeglino AL 17 148 50098
Novi Ligure AL 17 28154 78252
Godiasco Salice Terme PV 18 3229 81481
Varzi PV 18 3279 84760
Pozzolo Formigaro AL 18 4775 89535
Crocefieschi GE 18 548 90083
Castellar Guidobono AL 18 399 90482
Tassarolo AL 18 672 91154
Voltaggio AL 19 738 91892
Casalnoceto AL 19 980 92872
Viguzzolo AL 19 3148 96020
Santa Margherita di Staffora PV 19 473 96493
Fraconalto AL 20 336 96829
Bosio AL 20 1227 98056
Carrega Ligure AL 20 84 98140
Pasturana AL 20 1318 99458
Busalla GE 20 5563 105021
Tortona AL 20 27437 132458
Val di Nizza PV 20 624 133082

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SE of Alessandria (93943 inhabitants)
38 Km N of Genova (586655 inhabitants)
51 Km S of Pavia (72576 inhabitants)
64 Km NE of Savona (61345 inhabitants)
64 Km SW of Piacenza (102191 inhabitants)
65 Km S of Vigevano (63310 inhabitants)
65 Km E of Asti (76202 inhabitants)
82 Km S of Milano (1345851 inhabitants)
83 Km SE of Novara (104380 inhabitants)
87 Km S of Rho (50434 inhabitants)
90 Km S of Sesto San Giovanni (81608 inhabitants)
91 Km W of Cremona (71901 inhabitants)
92 Km S of Cinisello Balsamo (75078 inhabitants)
95 Km S of Legnano (60262 inhabitants)
96 Km S of Monza (122671 inhabitants)
97 Km NW of La Spezia (93959 inhabitants)
97 Km S of Busto Arsizio (83106 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 2.2 2020-01-19
23:58:42		 44.7468 9.0005 9 2020-07-18
21:08:34		 Bollettino Sismico Italiano INGV 78449411
Reviewed
Rev100 		ML 2.2 2020-01-19
23:58:43		 44.7402 9.0018 10 2020-01-20
00:21:51		 Sala Sismica INGV-Roma 75665291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-19 23:58:42 ± 0.17
Latitude 44.7468 ± 0.0072
Longitude 9.0005 ± 0.0101
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78449411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 722
Semi-minor axis of confidence ellipse (meter) 557
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 207
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.49
Epicentral distance of station closest to the epicenter (degree) 0.13490
Epicentral distance of station farthest from the epicenter (degree) 2.16017
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 78449411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-21 19:46:31

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 75665291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-20 00:21:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.BHB.HHZ. 2020-01-19T23:59:23.16 0.6 undecidable manual S 275 137.0628 50 0.82 32
GU.TRAV.HHZ. 2020-01-19T23:59:20.54 0.6 undecidable manual S 311 129.7701 50 0.17 40
CH.BNALP.HHZ. 2020-01-19T23:59:19.99 0.3 undecidable manual P 350 239.7822 38 0.37 33
MN.TUE.HHZ. 2020-01-19T23:59:13.93 0.3 undecidable manual P 8 193.2621 38 0.09 48
IV.MABI.HHZ. 2020-01-19T23:59:13.44 0.3 undecidable manual P 39 186.9684 38 0.38 46
CH.FUSIO.HHZ. 2020-01-19T23:59:12.67 0.3 undecidable manual P 352 191.2641 38 -0.92 37
IV.MAGA.HHZ. 2020-01-19T23:59:12.12 1.0 undecidable manual P 48 170.7957 50 1.26 12
ST.RONC.EHZ. 2020-01-19T23:59:12.90 0.3 undecidable manual P 42 186.2691 38 -0.07 50
CH.MMK.HHZ. 2020-01-19T23:59:08.32 0.3 undecidable manual P 331 165.612 50 -1.74 27
GU.SATI.HHZ. 2020-01-19T23:59:07.34 0.3 undecidable manual P 325 153.2355 50 -0.8 47
GU.PZZ.HHZ. 2020-01-19T23:59:07.54 0.3 undecidable manual P 261 151.1376 50 -0.29 56
GU.CARD.HHZ. 2020-01-19T23:59:06.87 0.3 undecidable manual P 124 142.0467 50 0.43 56
GU.CIRO.HHZ. 2020-01-19T23:59:05.49 0.3 undecidable manual P 311 146.742 50 -1.66 30
GU.BHB.HHZ. 2020-01-19T23:59:05.49 0.6 undecidable manual P 275 137.0628 50 -0.17 40
GU.RSP.HHZ. 2020-01-19T23:59:05.37 0.3 undecidable manual P 289 143.3454 50 -1.26 39
GU.TRAV.HHZ. 2020-01-19T23:59:04.06 0.3 undecidable manual P 311 129.7701 50 -0.47 57
IV.MDI.HHE. 2020-01-19T23:59:04.43 0.1 undecidable manual P 26 126.4734 50 0.4 77
IT.LEC.HGE. 2020-01-19T23:59:04.08 0.3 undecidable manual P 14 127.6722 50 -0.14 61
IV.QLNO.HHE. 2020-01-19T23:59:04.75 0.3 undecidable manual S 228 69.8745 50 0.37 65
CH.MUGIO.HHZ. 2020-01-19T23:59:04.07 0.3 undecidable manual P 1 130.3695 50 -0.56 55
GU.ROTM.HHZ. 2020-01-19T23:59:02.05 0.6 undecidable manual S 283 52.2033 2.37 13
IV.PLMA.HHZ. 2020-01-19T23:59:00.71 0.1 undecidable manual P 139 102.7194 50 0.34 82
IV.MONC.HHZ. 2020-01-19T23:59:00.87 0.3 undecidable manual P 294 91.8414 50 2.18 22
GU.CANO.HHE. 2020-01-19T23:58:57.91 0.3 undecidable manual P 226 85.0482 50 0.26 65
GU.PCP.HHZ. 2020-01-19T23:58:56.89 0.3 undecidable manual S 238 42.5241 50 -0.21 71
IV.BOB.HHE. 2020-01-19T23:58:55.84 0.3 undecidable manual S 86 35.3424 50 0.68 63
IT.GNV.HGE. 2020-01-19T23:58:55.96 0.3 undecidable manual S 189 35.3424 50 0.78 61
GU.RNCA.HHZ. 2020-01-19T23:58:54.16 0.3 undecidable manual S 187 30.8469 50 0.19 73
IV.QLNO.HHE. 2020-01-19T23:58:54.81 0.1 undecidable manual P 228 69.8745 50 -0.49 85
GU.ROTM.HHZ. 2020-01-19T23:58:53.35 0.3 undecidable manual P 283 52.2033 0.76 59
GU.GORR.HHZ. 2020-01-19T23:58:52.94 0.3 undecidable manual S 124 27.75 109 -0.13 74
GU.PCP.HHZ. 2020-01-19T23:58:50.47 0.3 undecidable manual P 238 42.5241 50 -0.63 64
IT.ACQ.HGE. 2020-01-19T23:58:50.94 0.3 undecidable manual P 261 43.0236 50 -0.23 71
IV.SARZ.HHZ. 2020-01-19T23:58:50.48 0.3 undecidable manual S 333 14.9739 122 1.44 45
GU.RNCA.HHZ. 2020-01-19T23:58:49.05 0.1 undecidable manual P 187 30.8469 50 -0.24 96
IV.BOB.HHE. 2020-01-19T23:58:49.59 0.1 undecidable manual P 86 35.3424 50 -0.38 93
IT.GNV.HGE. 2020-01-19T23:58:49.97 0.1 undecidable manual P 189 35.3424 50 -0.02 100
GU.GORR.HHZ. 2020-01-19T23:58:48.33 0.1 undecidable manual P 124 27.75 109 -0.44 93
IV.SARZ.HHZ. 2020-01-19T23:58:46.73 0.1 undecidable manual P 333 14.9739 122 0.28 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SARZ.HNE. ML:2.5 0.0033292595 0.3456 AML other m 2020-01-19T23:58:50.78
IV.SARZ.HHE. ML:2.6 0.003474538 0.3456 AML other m 2020-01-19T23:58:50.78
IV.SARZ.HHN. ML:2.7 0.004637499 1.616 AML other m 2020-01-19T23:58:53.04
IV.SARZ.HNN. ML:2.7 0.00450152 1.616 AML other m 2020-01-19T23:58:53.04
GU.GORR.HHN. ML:2.4 0.0013138504499999998 0.2304 AML other m 2020-01-19T23:58:54.29
GU.RNCA.HHE. ML:2.1 0.00055699835 0.2816 AML other m 2020-01-19T23:58:54.87
GU.RNCA.HHN. ML:2.0 0.0005189806499999999 0.2304 AML other m 2020-01-19T23:58:54.98
GU.GORR.HHE. ML:2.4 0.001247563 0.384 AML other m 2020-01-19T23:58:55.33
GU.PCP.HHN. ML:1.8 0.00022658729999999998 0.2816 AML other m 2020-01-19T23:58:57.96
GU.PCP.HHE. ML:1.9 0.0002297514 0.32 AML other m 2020-01-19T23:58:57.79
IV.MILN.HHE. ML:2.5 0.000382205 0.0768 AML other m 2020-01-19T23:59:07.59
IV.MILN.HNE. ML:2.5 0.00037747575 0.0768 AML other m 2020-01-19T23:59:07.59
IV.MILN.HHN. ML:2.4 0.00031877920000000006 0.0768 AML other m 2020-01-19T23:59:10.88
IV.MILN.HNN. ML:2.4 0.00031135135000000003 0.0768 AML other m 2020-01-19T23:59:10.92
GU.ROTM.HHE. ML:2.4 0.00067069965 0.448 AML other m 2020-01-19T23:59:13.70
GU.ROTM.HHN. ML:2.5 0.0008076813000000001 0.768 AML other m 2020-01-19T23:59:13.66
IV.MONC.HHE. ML:2.6 0.0004782916 0.32 AML other m 2020-01-19T23:59:19.32
CH.MUGIO.HHE. ML:2.3 0.000127630115 0.2944 AML other m 2020-01-19T23:59:21.20
CH.MUGIO.HHN. ML:2.1 0.00007474325 0.2816 AML other m 2020-01-19T23:59:21.39
GU.TRAV.HHN. ML:2.6 0.0002371607 0.2688 AML other m 2020-01-19T23:59:22.69
GU.TRAV.HHE. ML:2.8 0.0003629113 0.2688 AML other m 2020-01-19T23:59:22.85
GU.BHB.HHE. ML:2.0 0.0000543045 0.192 AML other m 2020-01-19T23:59:23.90
GU.CIRO.HHN. ML:2.4 0.000136948195 0.2432 AML other m 2020-01-19T23:59:26.44
GU.PZZ.HHE. ML:2.3 0.00010028367499999999 0.3584 AML other m 2020-01-19T23:59:26.73
GU.CARD.HHN. ML:2.0 0.00006248174 0.32 AML other m 2020-01-19T23:59:27.35
GU.CIRO.HHE. ML:2.3 0.00011213951 0.2944 AML other m 2020-01-19T23:59:27.53
GU.BHB.HHN. ML:2.0 0.000059013685 0.4992 AML other m 2020-01-19T23:59:27.56
GU.SATI.HHN. ML:2.2 0.00007463033999999999 1.8592 AML other m 2020-01-19T23:59:28.02
GU.RSP.HHE. ML:1.9 0.000043678585000000005 0.1792 AML other m 2020-01-19T23:59:29.15
GU.PZZ.HHN. ML:2.2 0.0000890926 0.5632 AML other m 2020-01-19T23:59:29.33
CH.MMK.HHE. ML:1.6 0.00001463365 0.2816 AML other m 2020-01-19T23:59:29.40
GU.RSP.HHN. ML:2.0 0.000055684235 0.448 AML other m 2020-01-19T23:59:29.43
GU.SATI.HHE. ML:2.2 0.00007220603000000001 0.2688 AML other m 2020-01-19T23:59:29.67
CH.MMK.HHN. ML:1.7 0.000020517954999999996 0.3584 AML other m 2020-01-19T23:59:30.03
GU.CARD.HHE. ML:2.1 0.00007181821499999999 0.3328 AML other m 2020-01-19T23:59:31.64
GU.POPM.HHE. ML:2.4 0.00010455000000000001 1.62 AML other m 2020-01-19T23:59:31.08
MN.TUE.HHE. ML:2.1 0.000040292809999999995 0.2816 AML other m 2020-01-19T23:59:37.19
MN.TUE.HNE. ML:2.1 0.000037988525 0.2816 AML other m 2020-01-19T23:59:37.34
GU.POPM.HHN. ML:2.2 0.00006986845 1.744 AML other m 2020-01-19T23:59:38.05
CH.FUSIO.HHE. ML:2.1 0.000045110945 0.1664 AML other m 2020-01-19T23:59:39.01
CH.FUSIO.HHN. ML:2.0 0.000029392635 1.7312 AML other m 2020-01-19T23:59:39.10
IV.MABI.HHN. ML:1.8 0.000021061489999999997 0.2816 AML other m 2020-01-19T23:59:40.60
ST.RONC.EHE. ML:2.4 0.000084495505 0.2176 AML other m 2020-01-19T23:59:40.88
ST.RONC.EHN. ML:2.7 0.00017717245 0.2688 AML other m 2020-01-19T23:59:41.01
MN.TUE.HHN. ML:2.0 0.00003026082 0.2816 AML other m 2020-01-19T23:59:41.32
MN.TUE.HNN. ML:2.0 0.0000359231 0.2816 AML other m 2020-01-19T23:59:41.46
CH.BNALP.HHE. ML:2.2 0.000032456855 0.3968 AML other m 2020-01-19T23:59:51.21
CH.BNALP.HHN. ML:2.0 0.000021987589000000003 1.68 AML other m 2020-01-19T23:59:51.04
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
Waveforms Seismic signals in miniseed + resp format Download