Earthquake with magnitude of ML 1.7 on date 01-01-2019 and time 01:30:00 (UTC) in region 2 km S Casasco (AL)

A magnitude ML 1.7 earthquake occured in region: 2 km S Casasco (AL), on

  • 01-01-2019 01:30:00 (UTC)
  • 01-01-2019 02:30:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.8110, 9.0090 at 21 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
Casasco AL 2 129 129
Brignano-Frascata AL 3 456 585
Garbagna AL 3 696 1281
Avolasca AL 4 294 1575
Momperone AL 4 223 1798
Montemarzino AL 4 341 2139
Montegioco AL 5 313 2452
San Sebastiano Curone AL 5 583 3035
Dernice AL 6 185 3220
Castellania AL 6 90 3310
Costa Vescovato AL 6 335 3645
Cerreto Grue AL 7 323 3968
Cecima PV 7 236 4204
Sant'Agata Fossili AL 8 425 4629
Pozzol Groppo AL 8 328 4957
Gremiasco AL 8 324 5281
Ponte Nizza PV 8 807 6088
Monleale AL 9 566 6654
Carezzano AL 9 431 7085
Berzano di Tortona AL 9 157 7242
Volpedo AL 9 1227 8469
Montacuto AL 9 278 8747
Bagnaria PV 9 658 9405
Paderna AL 9 220 9625
Sarezzano AL 10 1171 10796
Volpeglino AL 10 148 10944
Borghetto di Borbera AL 10 1966 12910
Sardigliano AL 10 406 13316
Gavazzana AL 10 180 13496
Godiasco Salice Terme PV 11 3229 16725
Cantalupo Ligure AL 11 527 17252
Villaromagnano AL 11 715 17967
Spineto Scrivia AL 11 337 18304
Casalnoceto AL 12 980 19284
Carbonara Scrivia AL 12 1122 20406
Castellar Guidobono AL 12 399 20805
Rocchetta Ligure AL 12 200 21005
Villalvernia AL 12 955 21960
Cassano Spinola AL 13 1731 23691
Viguzzolo AL 13 3148 26839
Albera Ligure AL 13 325 27164
Grondona AL 13 510 27674
Fabbrica Curone AL 13 656 28330
Rocca Susella PV 13 225 28555
Rivanazzano Terme PV 13 5312 33867
Montesegale PV 14 298 34165
Stazzano AL 15 2486 36651
Val di Nizza PV 15 624 37275
Vignole Borbera AL 15 2182 39457
Roccaforte Ligure AL 15 136 39593
Varzi PV 15 3279 42872
Tortona AL 15 27437 70309
Serravalle Scrivia AL 16 6128 76437
Retorbido PV 16 1538 77975
Cabella Ligure AL 17 528 78503
Arquata Scrivia AL 17 6409 84912
Codevilla PV 18 997 85909
Pontecurone AL 18 3723 89632
Pozzolo Formigaro AL 18 4775 94407
Novi Ligure AL 18 28154 122561
Fortunago PV 19 390 122951
Valverde PV 19 287 123238
Isola del Cantone GE 19 1540 124778
Santa Margherita di Staffora PV 19 473 125251
Torrazza Coste PV 20 1680 126931
Mongiardino Ligure AL 20 165 127096
Borgoratto Mormorolo PV 20 432 127528

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Alessandria (93943 inhabitants)
43 Km S of Pavia (72576 inhabitants)
45 Km N of Genova (586655 inhabitants)
58 Km S of Vigevano (63310 inhabitants)
60 Km W of Piacenza (102191 inhabitants)
64 Km E of Asti (76202 inhabitants)
70 Km NE of Savona (61345 inhabitants)
74 Km S of Milano (1345851 inhabitants)
77 Km SE of Novara (104380 inhabitants)
80 Km S of Rho (50434 inhabitants)
82 Km S of Sesto San Giovanni (81608 inhabitants)
85 Km S of Cinisello Balsamo (75078 inhabitants)
87 Km S of Legnano (60262 inhabitants)
88 Km W of Cremona (71901 inhabitants)
89 Km S of Monza (122671 inhabitants)
90 Km S of Busto Arsizio (83106 inhabitants)
96 Km S of Gallarate (53343 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 1.7 2019-01-01
01:30:00
44.8113 9.0092 21 2019-08-22
08:24:55
Bollettino Sismico Italiano INGV 67369131
Reviewed
Rev100
ML 1.6 2019-01-01
01:30:01
44.8113 9.0113 20 2019-01-01
01:40:54
Sala Sismica INGV-Roma 64409341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-01-01 01:30:00 ± 0.11
Latitude 44.8113 ± 0.0072
Longitude 9.0092 ± 0.0063
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67369131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 770
Semi-minor axis of confidence ellipse (meter) 45
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 356
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.42097
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 64409341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-01-01 01:40:54

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 67369131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-08 09:48:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMUR.HNZ. 2019-01-01T01:31:30.91 3.0 undecidable manual Sn 0.69 0
ST.ZIAN.EHZ. 2019-01-01T01:31:08.18 3.0 undecidable manual Sn -2.11 0
IV.CRE.HHZ. 2019-01-01T01:30:41.00 3.0 negative manual P 268.731 0.82 0
IV.MDI.HHZ. 2019-01-01T01:30:21.13 0.6 undecidable manual P 27 119.7912 95 0.21 44
GU.TRAV.HHZ. 2019-01-01T01:30:21.35 0.6 undecidable manual P 309 125.6742 95 -0.48 41
IV.VARE.HHN. 2019-01-01T01:30:21.30 0.6 undecidable manual P 351 118.6923 95 0.55 40
IV.MSSA.HHZ. 2019-01-01T01:30:21.82 1.0 undecidable manual S 144 68.0763 100 0.01 25
GU.GBOS.HHZ. 2019-01-01T01:30:20.08 0.6 undecidable manual P 236 111.999 95 0.35 43
GU.EQUI.HHZ. 2019-01-01T01:30:20.57 0.3 undecidable manual P 128 115.3956 95 0.32 65
IV.PLMA.HHZ. 2019-01-01T01:30:19.25 0.3 undecidable manual P 141 107.7144 96 0.18 68
GU.RORO.HHZ. 2019-01-01T01:30:19.42 0.3 undecidable manual P 224 107.6145 96 0.36 65
GU.CANO.HHZ. 2019-01-01T01:30:16.38 0.6 undecidable manual P 223 90.6426 97 -0.07 48
GU.PCP.HHZ. 2019-01-01T01:30:16.23 0.3 undecidable manual S 231 47.3193 105 -0.17 76
GU.RNCA.HHZ. 2019-01-01T01:30:14.35 0.6 undecidable manual S 187 38.0286 110 0.32 50
IV.BOB.HHE. 2019-01-01T01:30:13.49 0.6 undecidable manual S 98 34.8429 112 0.24 52
IV.MSSA.HHZ. 2019-01-01T01:30:12.86 0.1 undecidable manual P 144 68.0763 100 -0.14 97
GU.GORR.HHZ. 2019-01-01T01:30:12.54 0.3 undecidable manual S 135 31.8459 114 0.04 80
GU.ROTM.HHZ. 2019-01-01T01:30:11.04 0.6 undecidable manual P 275 51.8037 104 0.49 47
GU.PCP.HHZ. 2019-01-01T01:30:09.48 0.1 undecidable manual P 231 47.3193 105 -0.4 96
GU.RNCA.HHZ. 2019-01-01T01:30:08.48 0.3 undecidable manual P 187 38.0286 110 -0.03 79
IV.SARZ.HHZ. 2019-01-01T01:30:08.41 0.6 undecidable manual S 310 9.7791 151 0.39 53
GU.GORR.HHZ. 2019-01-01T01:30:07.31 0.1 negative manual P 135 31.8459 114 -0.32 100
IV.BOB.HHE. 2019-01-01T01:30:07.78 0.3 undecidable manual P 98 34.8429 112 -0.28 75
IV.SARZ.HHZ. 2019-01-01T01:30:04.59 0.3 undecidable manual P 310 9.7791 151 -0.45 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GORR.HHE. ML:1.9 0.0003039149 0.3 AML other m 2019-01-01T01:30:12.83
GU.GORR.HHN. ML:2.2 0.00064379995 0.4 AML other m 2019-01-01T01:30:12.97
GU.RNCA.HHN. ML:1.4 0.00008431427499999999 0.2 AML other m 2019-01-01T01:30:14.94
GU.RNCA.HHE. ML:1.3 0.000069251205 0.2 AML other m 2019-01-01T01:30:14.85
GU.CANO.HHE. ML:1.9 0.00008893380000000001 0.24 AML other m 2019-01-01T01:30:32.53
GU.CANO.HHN. ML:2.2 0.00017974245 0.24 AML other m 2019-01-01T01:30:32.73
GU.RORO.HHE. ML:1.5 0.000026713865000000003 0.72 AML other m 2019-01-01T01:30:34.11
GU.RORO.HHN. ML:1.5 0.00002414897 0.64 AML other m 2019-01-01T01:30:34.37
IV.MDI.HHN. ML:1.5 0.000027379115 0.3 AML other m 2019-01-01T01:30:37.27
IV.MDI.HHE. ML:1.7 0.000041185655 0.22 AML other m 2019-01-01T01:30:40.26
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