Earthquake with magnitude of ML 1.4 on date 21-10-2018 and time 07:56:58 (Italy) in region 1 km S Ponna (CO)

A magnitude ML 1.4 earthquake occured in region: 1 km S Ponna (CO), on

  • 21-10-2018 05:56:58 (UTC)
  • 21-10-2018 07:56:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.98, 9.1 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ponna CO 1 254 254
Laino CO 2 499 753
San Fedele Intelvi CO 2 1808 2561
Ramponio Verna CO 2 461 3022
Pellio Intelvi CO 2 977 3999
Blessagno CO 3 272 4271
Claino con Osteno CO 3 544 4815
Castiglione d'Intelvi CO 3 1182 5997
Pigra CO 4 258 6255
Cerano d'Intelvi CO 4 557 6812
Dizzasco CO 4 624 7436
Casasco d'Intelvi CO 5 464 7900
Argegno CO 5 681 8581
Colonno CO 5 504 9085
Valsolda CO 6 1559 10644
Lanzo d'Intelvi CO 6 1447 12091
Sala Comacina CO 6 552 12643
Schignano CO 6 864 13507
Porlezza CO 6 4890 18397
Tremezzina CO 8 5180 23577
Corrido CO 8 843 24420
Brienno CO 8 359 24779
Bene Lario CO 9 330 25109
Lezzeno CO 9 2060 27169
Carlazzo CO 9 3103 30272
Nesso CO 10 1240 31512
Campione d'Italia CO 10 1995 33507
Val Rezzo CO 10 173 33680
Grandola ed Uniti CO 10 1302 34982
Veleso CO 11 231 35213
Griante CO 11 629 35842
Zelbio CO 11 211 36053
Cusino CO 11 223 36276
Laglio CO 12 885 37161
San Bartolomeo Val Cavargna CO 12 1027 38188
Menaggio CO 12 3143 41331
Cavargna CO 12 227 41558
San Nazzaro Val Cavargna CO 12 314 41872
Plesio CO 12 835 42707
Carate Urio CO 13 1171 43878
Pognana Lario CO 13 744 44622
Bellagio CO 13 3758 48380
Moltrasio CO 14 1607 49987
Torno CO 14 1155 51142
Magreglio CO 15 665 51807
Faggeto Lario CO 15 1212 53019
Varenna LC 15 786 53805
San Siro CO 15 1739 55544
Barni CO 15 599 56143
Blevio CO 16 1187 57330
Oliveto Lario LC 16 1225 58555
Maslianico CO 16 3326 61881
Perledo LC 16 941 62822
Cernobbio CO 16 6745 69567
Brusimpiano VA 16 1194 70761
Sormano CO 17 639 71400
Caglio CO 17 451 71851
Lierna LC 17 2141 73992
Porto Ceresio VA 17 2938 76930
Lasnigo CO 17 482 77412
Bellano LC 18 3231 80643
Rezzago CO 18 306 80949
Cremia CO 18 710 81659
Saltrio VA 18 3027 84686
Brunate CO 18 1749 86435
Lavena Ponte Tresa VA 18 5681 92116
Clivio VA 18 1980 94096
Cuasso al Monte VA 18 3612 97708
Esino Lario LC 19 745 98453
Mandello del Lario LC 19 10425 108878
Besano VA 19 2544 111422
Marzio VA 19 337 111759
Viggi├╣ VA 19 5292 117051
Asso CO 19 3587 120638
Vendrogno LC 19 312 120950
Ronago CO 19 1740 122690
Pianello del Lario CO 19 1058 123748
Caslino d'Erba CO 19 1669 125417
Cavallasca CO 19 2973 128390
Como CO 19 84495 212885
Cadegliano-Viconago VA 19 2125 215010
Dervio LC 20 2669 217679
Valbrona CO 20 2722 220401
San Fermo della Battaglia CO 20 4709 225110
Parlasco LC 20 141 225251
Musso CO 20 1001 226252
Castelmarte CO 20 1320 227572
Bizzarone CO 20 1552 229124

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km N of Como (84495 inhabitants)
28 Km NE of Varese (80799 inhabitants)
43 Km NE of Gallarate (53343 inhabitants)
45 Km NE of Busto Arsizio (83106 inhabitants)
45 Km NE of Legnano (60262 inhabitants)
47 Km NW of Monza (122671 inhabitants)
48 Km N of Cinisello Balsamo (75078 inhabitants)
51 Km N of Rho (50434 inhabitants)
51 Km N of Sesto San Giovanni (81608 inhabitants)
55 Km NW of Bergamo (119381 inhabitants)
58 Km N of Milano (1345851 inhabitants)
70 Km NE of Novara (104380 inhabitants)
76 Km N of Vigevano (63310 inhabitants)
89 Km N of Pavia (72576 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
Rev 1000 ML 1.4 2018-10-21
05:56:58
45.98 9.09 9 2019-06-04
09:16:14
Bollettino Sismico Italiano INGV 68087281
Rev 100 ML 1.4 2018-10-21
05:56:59
45.98 9.09 14 2018-10-21
06:03:46
Sala Sismica INGV-Roma 62161581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-10-21 05:56:58 ± 0.22
Latitude 45.98 ± 0.01
Longitude 9.09 ± 0.01
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68087281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1204
Semi-minor axis of confidence ellipse (meter) 714
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 219
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 1.35528
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 16
Type of magnitude ML
Reference to an origin 68087281
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-29 11:03:25

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 16
Type of magnitude ML
Reference to an origin 62161581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-10-21 06:03:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.PARC.HHZ. 2018-10-21T05:58:42.03 3.0 undecidable manual Sg 12.96 0
IV.PTRJ.HNZ. 2018-10-21T05:58:36.63 3.0 undecidable manual Pn 8.17 0
IV.LPEL.HHZ. 2018-10-21T05:58:25.34 3.0 undecidable manual Pn 6.36 0
IV.MMO1.EHZ. 2018-10-21T05:58:07.55 3.0 undecidable manual Pn 3.1 0
GU.GSCL.HHZ. 2018-10-21T05:57:57.59 3.0 undecidable manual Sn -0.05 0
CH.BNALP.HHZ. 2018-10-21T05:57:31.43 0.6 undecidable manual S 333 0.9991 50 0 43
IV.MABI.HHZ. 2018-10-21T05:57:30.87 0.6 undecidable manual S 85 0.9875 50 -0.23 42
IV.ZONE.HHZ. 2018-10-21T05:57:24.17 0.6 undecidable manual S 107 0.7446 50 0.27 43
GU.REMY.HHZ. 2018-10-21T05:57:24.14 0.6 undecidable manual P 265 1.3553 50 0.33 37
CH.PLONS.HHZ. 2018-10-21T05:57:19.12 0.6 undecidable manual P 10 1.0828 50 -0.03 42
IV.MAGA.HHZ. 2018-10-21T05:57:19.62 0.6 undecidable manual P 100 1.0873 50 0.4 39
GU.TRAV.HHZ. 2018-10-21T05:57:18.91 0.3 undecidable manual P 244 1.0513 50 0.31 60
CH.BNALP.HHZ. 2018-10-21T05:57:18.52 0.3 undecidable manual P 333 0.9991 50 0.81 52
ST.RONC.EHZ. 2018-10-21T05:57:18.87 0.3 undecidable manual P 90 1.0612 50 0.09 63
IV.MABI.HHZ. 2018-10-21T05:57:17.55 0.3 undecidable manual P 85 0.9875 50 0.04 65
CH.FUSIO.HHZ. 2018-10-21T05:57:17.67 0.6 undecidable manual S 328 0.5576 50 -0.68 40
MN.TUE.HHZ. 2018-10-21T05:57:16.43 0.6 undecidable manual S 20 0.518 50 -0.77 39
IV.MDI.HHZ. 2018-10-21T05:57:15.56 0.6 undecidable manual S 116 0.482 50 -0.57 43
IV.ZONE.HHZ. 2018-10-21T05:57:13.88 0.6 undecidable manual P 107 0.7446 50 0.52 41
CH.FUSIO.HHZ. 2018-10-21T05:57:10.27 0.1 undecidable manual P 328 0.5576 50 0.11 93
MN.TUE.HHZ. 2018-10-21T05:57:09.64 0.3 undecidable manual P 20 0.518 50 0.15 70
IV.MDI.HHZ. 2018-10-21T05:57:08.48 0.3 undecidable manual P 116 0.482 50 -0.39 67
IV.VARE.HHZ. 2018-10-21T05:57:08.68 0.6 undecidable manual S 243 0.2536 108 -0.57 45
IV.VARE.HHZ. 2018-10-21T05:57:04.82 0.1 undecidable manual P 243 0.2536 108 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VARE.HHE. ML:1.4 0.000133 0.16 AML other m 2018-10-21T05:57:08.95
IV.VARE.HHN. ML:1.4 0.000134 0.7 AML other m 2018-10-21T05:57:09.70
MN.TUE.HHE. ML:1.4 6.03E-5 0.34 AML other m 2018-10-21T05:57:16.79
MN.TUE.HHN. ML:1.1 3.215E-5 1.32 AML other m 2018-10-21T05:57:16.32
IV.MDI.HHE. ML:1.4 5.95E-5 0.8 AML other m 2018-10-21T05:57:17.31
IV.MDI.HHN. ML:1.3 4.84E-5 1.16 AML other m 2018-10-21T05:57:17.39
CH.FUSIO.HHN. ML:1.3 3.795E-5 0.7 AML other m 2018-10-21T05:57:19.95
CH.FUSIO.HHE. ML:1.4 5.285E-5 0.12 AML other m 2018-10-21T05:57:20.10
IV.ZONE.HHN. ML:1.4 3.51E-5 0.26 AML other m 2018-10-21T05:57:25.48
IV.ZONE.HHE. ML:1.4 2.96E-5 0.92 AML other m 2018-10-21T05:57:25.26
GU.TRAV.HHE. ML:1.4 2.06E-5 0.5 AML other m 2018-10-21T05:57:35.62
GU.TRAV.HHN. ML:1.5 2.45E-5 0.58 AML other m 2018-10-21T05:57:36.45
IV.MABI.HHN. ML:1.5 2.565E-5 0.36 AML other m 2018-10-21T05:57:36.31
IV.MABI.HHE. ML:1.5 2.255E-5 0.58 AML other m 2018-10-21T05:57:36.29
IV.MAGA.HHE. ML:1.9 6.065E-5 0.48 AML other m 2018-10-21T05:57:39.52
IV.MAGA.HHN. ML:1.6 3.215E-5 1.32 AML other m 2018-10-21T05:57:39.31
GU.GSCL.HHN. ML:2.1 3.58E-5 1.22 AML other m 2018-10-21T05:58:10.78
GU.GSCL.HHE. ML:2.1 3.58E-5 1.2 AML other m 2018-10-21T05:58:10.24
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download