Earthquake with magnitude of ML 1.9 on date 27-01-2020 and time 13:26:21 (UTC) in region 3 km SE Garbagna (AL)

A magnitude ML 1.9 earthquake occured in region: 3 km SE Garbagna (AL), on

  • 27-01-2020 13:26:21 (UTC)
  • 27-01-2020 14:26:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.7520, 9.0130 at 11 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
Dernice AL 4 185 185
Garbagna AL 4 696 881
Cantalupo Ligure AL 4 527 1408
Borghetto di Borbera AL 6 1966 3374
San Sebastiano Curone AL 6 583 3957
Rocchetta Ligure AL 6 200 4157
Avolasca AL 7 294 4451
Albera Ligure AL 7 325 4776
Brignano-Frascata AL 7 456 5232
Grondona AL 7 510 5742
Montacuto AL 8 278 6020
Sardigliano AL 8 406 6426
Roccaforte Ligure AL 8 136 6562
Sant'Agata Fossili AL 8 425 6987
Castellania AL 8 90 7077
Casasco AL 9 129 7206
Gremiasco AL 9 324 7530
Momperone AL 10 223 7753
Costa Vescovato AL 10 335 8088
Gavazzana AL 10 180 8268
Montegioco AL 11 313 8581
Vignole Borbera AL 11 2182 10763
Carezzano AL 11 431 11194
Cabella Ligure AL 11 528 11722
Montemarzino AL 11 341 12063
Fabbrica Curone AL 11 656 12719
Stazzano AL 12 2486 15205
Cassano Spinola AL 12 1731 16936
Cerreto Grue AL 12 323 17259
Cecima PV 12 236 17495
Bagnaria PV 12 658 18153
Arquata Scrivia AL 12 6409 24562
Paderna AL 12 220 24782
Isola del Cantone GE 13 1540 26322
Serravalle Scrivia AL 13 6128 32450
Ponte Nizza PV 13 807 33257
Mongiardino Ligure AL 13 165 33422
Pozzol Groppo AL 14 328 33750
Villalvernia AL 14 955 34705
Spineto Scrivia AL 15 337 35042
Berzano di Tortona AL 15 157 35199
Villaromagnano AL 15 715 35914
Sarezzano AL 15 1171 37085
Monleale AL 15 566 37651
Volpedo AL 16 1227 38878
Carbonara Scrivia AL 16 1122 40000
Volpeglino AL 16 148 40148
Ronco Scrivia GE 17 4417 44565
Varzi PV 17 3279 47844
Godiasco Salice Terme PV 17 3229 51073
Vobbia GE 17 409 51482
Carrosio AL 18 510 51992
Novi Ligure AL 18 28154 80146
Gavi AL 18 4614 84760
Castellar Guidobono AL 18 399 85159
Santa Margherita di Staffora PV 18 473 85632
Casalnoceto AL 18 980 86612
Crocefieschi GE 19 548 87160
Viguzzolo AL 19 3148 90308
Val di Nizza PV 19 624 90932
Pozzolo Formigaro AL 19 4775 95707
Rocca Susella PV 19 225 95932
Tassarolo AL 19 672 96604
Montesegale PV 20 298 96902
Carrega Ligure AL 20 84 96986
Voltaggio AL 20 738 97724
Rivanazzano Terme PV 20 5312 103036
Tortona AL 20 27437 130473

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Alessandria (93943 inhabitants)
38 Km N of Genova (586655 inhabitants)
50 Km S of Pavia (72576 inhabitants)
63 Km SW of Piacenza (102191 inhabitants)
64 Km S of Vigevano (63310 inhabitants)
65 Km NE of Savona (61345 inhabitants)
66 Km E of Asti (76202 inhabitants)
81 Km S of Milano (1345851 inhabitants)
83 Km SE of Novara (104380 inhabitants)
87 Km S of Rho (50434 inhabitants)
89 Km S of Sesto San Giovanni (81608 inhabitants)
90 Km W of Cremona (71901 inhabitants)
91 Km S of Cinisello Balsamo (75078 inhabitants)
94 Km S of Legnano (60262 inhabitants)
95 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 1.9 2020-01-27
13:26:21
44.7522 9.0133 11 2020-07-18
21:08:21
Bollettino Sismico Italiano INGV 76774691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-27 13:26:21 ± 0.16
Latitude 44.7522 ± 0.0090
Longitude 9.0133 ± 0.0139
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76774691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1170
Semi-minor axis of confidence ellipse (meter) 950
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 1170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39390
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 76774691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-05 16:39:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SALB.HHZ. 2020-01-27T13:28:05.47 3.0 positive manual Pn 4.05 0
IV.FDMO.HHZ. 2020-01-27T13:27:53.93 3.0 undecidable manual Sn 3.65 0
CR.STON.BHZ. 2020-01-27T13:27:50.38 3.0 undecidable manual Pn 2.11 0
IV.RMP.HHZ. 2020-01-27T13:27:20.82 3.0 positive manual Pn 4.08 0
IV.GIUL.HHZ. 2020-01-27T13:27:20.33 3.0 negative manual Pn -2.58 0
IV.VENL.HNZ. 2020-01-27T13:27:16.73 3.0 undecidable manual Sn -0.76 0
IV.FIR.HHZ. 2020-01-27T13:27:15.41 3.0 undecidable manual Sn 1.05 0
IV.ARVD.HHZ. 2020-01-27T13:27:11.20 3.0 positive manual Pg 9.01 0
TV.SF01.EHZ. 2020-01-27T13:27:06.82 3.0 undecidable manual Pg 7.89 0
IV.APEC.HHZ. 2020-01-27T13:26:58.55 3.0 undecidable manual Pn 1.03 0
SI.ROSI.HHZ. 2020-01-27T13:26:54.47 3.0 undecidable manual Pg 6.7 0
GU.TRAV.HHZ. 2020-01-27T13:26:43.14 3.0 undecidable manual Sn -0.27 0
GU.PCP.HHZ. 2020-01-27T13:26:35.78 0.6 undecidable manual S 238 43.7229 50 0.17 48
GU.RNCA.HHE. 2020-01-27T13:26:32.80 0.3 undecidable manual S 189 31.5462 50 0.44 70
IV.MILN.HNZ. 2020-01-27T13:26:32.14 3.0 undecidable manual Sg 0.21 0
GU.GORR.HHZ. 2020-01-27T13:26:31.40 0.3 undecidable manual S 126 27.2505 50 0.18 74
IV.ZONE.HHZ. 2020-01-27T13:26:30.51 3.0 positive manual P 1.19 0
GU.PCP.HHZ. 2020-01-27T13:26:29.16 0.3 undecidable manual P 238 43.7229 50 -0.48 68
IV.SARZ.HHZ. 2020-01-27T13:26:28.73 0.6 undecidable manual S 328 14.9739 50 0.79 42
IV.BOB.HNE. 2020-01-27T13:26:28.30 0.3 undecidable manual P 87 34.2435 50 0.12 74
GU.RNCA.HHE. 2020-01-27T13:26:27.58 0.3 undecidable manual P 189 31.5462 50 -0.18 74
GU.GORR.HHZ. 2020-01-27T13:26:26.76 0.3 undecidable manual P 126 27.2505 50 -0.34 72
IV.VARE.HHZ. 2020-01-27T13:26:26.13 3.0 undecidable manual P 0.44 0
IV.SARZ.HHZ. 2020-01-27T13:26:24.97 0.1 undecidable manual P 328 14.9739 50 -0.24 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VARE.HHN. ML:2.0 0.00007014500999999999 0.2176 AML other m 2020-01-27T13:26:27.77
IV.SARZ.HNE. ML:1.9 0.00081745555 0.4032 AML other m 2020-01-27T13:26:28.95
IV.SARZ.HHE. ML:1.9 0.00075563565 0.4032 AML other m 2020-01-27T13:26:28.95
IV.SARZ.HHN. ML:1.7 0.00046019830000000004 0.2944 AML other m 2020-01-27T13:26:29.12
IV.SARZ.HNN. ML:1.7 0.00048802615000000007 0.4032 AML other m 2020-01-27T13:26:30.99
GU.GORR.HHE. ML:1.7 0.00028111675 0.2368 AML other m 2020-01-27T13:26:31.84
GU.GORR.HHN. ML:1.6 0.0002277117 0.1984 AML other m 2020-01-27T13:26:32.51
GU.PCP.HHN. ML:0.7 0.000014221000500000001 0.16 AML other m 2020-01-27T13:26:36.24
IV.ZONE.HHN. ML:2.4 0.00014689854999999999 0.1984 AML other m 2020-01-27T13:26:42.00
IV.ZONE.HHE. ML:2.3 0.00010964214999999999 0.1792 AML other m 2020-01-27T13:26:43.18
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