Earthquake with magnitude of ML 2.0 on date 30-12-2018 and time 10:50:37 (Italy) in region 1 km SE Casasco (AL)

A magnitude ML 2.0 earthquake occured in region: 1 km SE Casasco (AL), on

  • 30-12-2018 09:50:37 (UTC)
  • 30-12-2018 10:50:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.82, 9.02 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 1 129 129
Brignano-Frascata AL 2 456 585
Momperone AL 3 223 808
Montemarzino AL 4 341 1149
Avolasca AL 4 294 1443
Garbagna AL 5 696 2139
Montegioco AL 5 313 2452
San Sebastiano Curone AL 6 583 3035
Cecima PV 6 236 3271
Pozzol Groppo AL 7 328 3599
Dernice AL 7 185 3784
Costa Vescovato AL 7 335 4119
Cerreto Grue AL 7 323 4442
Castellania AL 7 90 4532
Ponte Nizza PV 8 807 5339
Gremiasco AL 8 324 5663
Monleale AL 8 566 6229
Berzano di Tortona AL 8 157 6386
Volpedo AL 8 1227 7613
Sant'Agata Fossili AL 8 425 8038
Bagnaria PV 9 658 8696
Carezzano AL 9 431 9127
Volpeglino AL 9 148 9275
Godiasco Salice Terme PV 9 3229 12504
Sarezzano AL 9 1171 13675
Montacuto AL 9 278 13953
Paderna AL 10 220 14173
Villaromagnano AL 11 715 14888
Casalnoceto AL 11 980 15868
Castellar Guidobono AL 11 399 16267
Sardigliano AL 11 406 16673
Borghetto di Borbera AL 11 1966 18639
Gavazzana AL 11 180 18819
Spineto Scrivia AL 11 337 19156
Cantalupo Ligure AL 12 527 19683
Carbonara Scrivia AL 12 1122 20805
Viguzzolo AL 12 3148 23953
Rocca Susella PV 12 225 24178
Rivanazzano Terme PV 12 5312 29490
Villalvernia AL 12 955 30445
Rocchetta Ligure AL 13 200 30645
Montesegale PV 13 298 30943
Fabbrica Curone AL 13 656 31599
Cassano Spinola AL 13 1731 33330
Val di Nizza PV 14 624 33954
Albera Ligure AL 14 325 34279
Grondona AL 14 510 34789
Varzi PV 14 3279 38068
Retorbido PV 15 1538 39606
Tortona AL 15 27437 67043
Stazzano AL 16 2486 69529
Vignole Borbera AL 16 2182 71711
Roccaforte Ligure AL 16 136 71847
Codevilla PV 16 997 72844
Serravalle Scrivia AL 17 6128 78972
Pontecurone AL 17 3723 82695
Cabella Ligure AL 18 528 83223
Fortunago PV 18 390 83613
Arquata Scrivia AL 18 6409 90022
Valverde PV 18 287 90309
Torrazza Coste PV 18 1680 91989
Pozzolo Formigaro AL 19 4775 96764
Santa Margherita di Staffora PV 19 473 97237
Borgoratto Mormorolo PV 19 432 97669
Novi Ligure AL 19 28154 125823
Voghera PV 19 39421 165244
Borgo Priolo PV 20 1474 166718
Isola del Cantone GE 20 1540 168258

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Alessandria (93943 inhabitants)
42 Km S of Pavia (72576 inhabitants)
46 Km N of Genova (586655 inhabitants)
57 Km S of Vigevano (63310 inhabitants)
59 Km W of Piacenza (102191 inhabitants)
64 Km E of Asti (76202 inhabitants)
71 Km NE of Savona (61345 inhabitants)
73 Km S of Milano (1345851 inhabitants)
76 Km SE of Novara (104380 inhabitants)
79 Km S of Rho (50434 inhabitants)
81 Km S of Sesto San Giovanni (81608 inhabitants)
84 Km S of Cinisello Balsamo (75078 inhabitants)
86 Km S of Legnano (60262 inhabitants)
87 Km W of Cremona (71901 inhabitants)
87 Km S of Monza (122671 inhabitants)
89 Km S of Busto Arsizio (83106 inhabitants)
95 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
Rev 1000 ML 2.0 2018-12-30
09:50:37
44.82 9.01 21 2019-06-04
09:16:07
Bollettino Sismico Italiano INGV 64754171
Rev 100 ML 1.9 2018-12-30
09:50:38
44.78 9.03 11 2018-12-30
10:00:51
Sala Sismica INGV-Roma 64358831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-30 09:50:37 ± 0.17
Latitude 44.82 ± 0.01
Longitude 9.01 ± 0.01
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 64754171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 923
Semi-minor axis of confidence ellipse (meter) 801
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 12
Circular confidence region, given by single value of horizontal uncertainty (meter) 920
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.08544
Epicentral distance of station farthest from the epicenter (degree) 1.24106
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2

Field Value
Value 2
Uncertainty 0.4
Num. used stations 11
Type of magnitude ML
Reference to an origin 64754171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-16 07:58:34

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 15
Type of magnitude ML
Reference to an origin 64358831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-30 10:00:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.BHB.HHZ. 2018-12-30T09:51:17.00 0.6 undecidable manual S 271 1.2411 94 -0.32 39
IV.PLMA.HHZ. 2018-12-30T09:51:09.89 0.6 undecidable manual S 142 0.9758 96 0.41 40
GU.RORO.HHZ. 2018-12-30T09:51:09.82 0.6 undecidable manual S 224 0.9794 96 0.23 41
GU.BHB.HHZ. 2018-12-30T09:51:00.41 0.3 undecidable manual P 271 1.2411 94 -0.28 58
GU.EQUI.HHZ. 2018-12-30T09:50:57.51 0.1 undecidable manual P 128 1.0423 95 0.2 83
IV.PLMA.HHZ. 2018-12-30T09:50:56.32 0.1 undecidable manual P 142 0.9758 96 0.15 85
GU.RORO.HHZ. 2018-12-30T09:50:56.73 0.1 undecidable manual P 224 0.9794 96 0.5 78
GU.PCP.HHZ. 2018-12-30T09:50:53.27 0.6 undecidable manual S 230 0.4353 105 -0.41 46
GU.RNCA.HHZ. 2018-12-30T09:50:51.58 0.6 undecidable manual S 187 0.3525 109 0.25 47
IV.BOB.HNE. 2018-12-30T09:50:50.30 0.6 undecidable manual S 100 0.3121 112 0.1 50
IV.MSSA.HHZ. 2018-12-30T09:50:50.07 0.1 undecidable manual P 144 0.6187 100 -0.04 93
IV.QLNO.HHE. 2018-12-30T09:50:50.87 0.3 undecidable manual P 224 0.688 99 -0.41 64
GU.GORR.HHZ. 2018-12-30T09:50:49.51 0.1 undecidable manual S 137 0.2905 114 -0.12 98
GU.ROTM.HHZ. 2018-12-30T09:50:48.11 0.6 undecidable manual P 274 0.4703 104 0.49 44
GU.PCP.HHZ. 2018-12-30T09:50:46.59 0.1 undecidable manual P 230 0.4353 105 -0.45 89
GU.RNCA.HHZ. 2018-12-30T09:50:45.66 0.1 undecidable manual P 187 0.3525 109 -0.03 99
IV.SARZ.HHZ. 2018-12-30T09:50:45.60 0.1 undecidable manual S 303 0.0854 152 0.58 93
GU.GORR.HHZ. 2018-12-30T09:50:44.45 0.1 negative manual P 137 0.2905 114 -0.26 95
IV.BOB.HNE. 2018-12-30T09:50:44.89 0.3 undecidable manual P 100 0.3121 112 -0.15 72
IV.SARZ.HHZ. 2018-12-30T09:50:41.84 0.1 positive manual P 303 0.0854 152 -0.21 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SARZ.HNE. ML:2.4 0.0018561095 0.3968 AML other m 2018-12-30T09:50:45.72
IV.SARZ.HHE. ML:2.4 0.001906634 0.3968 AML other m 2018-12-30T09:50:45.72
IV.SARZ.HHN. ML:2.2 0.00112662585 0.3008 AML other m 2018-12-30T09:50:47.02
IV.SARZ.HNN. ML:2.2 0.0012362525 0.3392 AML other m 2018-12-30T09:50:49.15
GU.GORR.HHN. ML:2.3 0.0007787844 1.6224 AML other m 2018-12-30T09:50:50.06
GU.RNCA.HHN. ML:1.5 0.00010384189 1.8016 AML other m 2018-12-30T09:50:52.04
GU.RNCA.HHE. ML:1.4 8.374755E-5 1.7952 AML other m 2018-12-30T09:50:52.95
GU.GORR.HHE. ML:2.1 0.0005003274 0.2368 AML other m 2018-12-30T09:50:52.24
GU.PCP.HHE. ML:1.3 4.7906155E-5 0.3456 AML other m 2018-12-30T09:50:53.69
GU.RORO.HHE. ML:1.6 2.7667285E-5 0.16 AML other m 2018-12-30T09:51:13.76
GU.RORO.HHN. ML:1.6 2.920915E-5 0.1984 AML other m 2018-12-30T09:51:13.92
GU.TRAV.HHE. ML:0 0.00025018095 0.384 AML other m 2018-12-30T09:51:14.51
GU.CIRO.HHE. ML:0 0.000120593425 0.4608 AML other m 2018-12-30T09:51:19.34
MN.TUE.HHE. ML:0 1.48867255E-5 0.32 AML other m 2018-12-30T09:51:30.84
CH.FUORN.HHN. ML:0 1.17287088E-5 1.5072 AML other m 2018-12-30T09:51:41.24
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