Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 14-10-2013 and time 18:26:33 (Italy) in region 2 km SW Casasco (AL)

A magnitude ML 2.4 earthquake occured in region: 2 km SW Casasco (AL), on

  • 14-10-2013 16:26:33 (UTC)
  • 14-10-2013 18:26:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.8100, 8.9960 at 18 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
Casasco AL 2 129 129
Avolasca AL 2 294 423
Garbagna AL 3 696 1119
Brignano-Frascata AL 4 456 1575
Montemarzino AL 4 341 1916
Montegioco AL 5 313 2229
Momperone AL 5 223 2452
Castellania AL 5 90 2542
Costa Vescovato AL 5 335 2877
San Sebastiano Curone AL 6 583 3460
Cerreto Grue AL 6 323 3783
Dernice AL 6 185 3968
Sant'Agata Fossili AL 7 425 4393
Carezzano AL 8 431 4824
Pozzol Groppo AL 8 328 5152
Cecima PV 8 236 5388
Berzano di Tortona AL 8 157 5545
Paderna AL 8 220 5765
Monleale AL 9 566 6331
Gremiasco AL 9 324 6655
Volpedo AL 9 1227 7882
Sarezzano AL 9 1171 9053
Sardigliano AL 9 406 9459
Gavazzana AL 9 180 9639
Ponte Nizza PV 9 807 10446
Borghetto di Borbera AL 10 1966 12412
Villaromagnano AL 10 715 13127
Volpeglino AL 10 148 13275
Montacuto AL 10 278 13553
Spineto Scrivia AL 10 337 13890
Bagnaria PV 10 658 14548
Cantalupo Ligure AL 11 527 15075
Carbonara Scrivia AL 11 1122 16197
Villalvernia AL 11 955 17152
Godiasco Salice Terme PV 11 3229 20381
Cassano Spinola AL 11 1731 22112
Castellar Guidobono AL 12 399 22511
Casalnoceto AL 12 980 23491
Rocchetta Ligure AL 12 200 23691
Viguzzolo AL 12 3148 26839
Grondona AL 13 510 27349
Albera Ligure AL 13 325 27674
Stazzano AL 14 2486 30160
Rivanazzano Terme PV 14 5312 35472
Vignole Borbera AL 14 2182 37654
Fabbrica Curone AL 14 656 38310
Rocca Susella PV 14 225 38535
Tortona AL 14 27437 65972
Serravalle Scrivia AL 15 6128 72100
Roccaforte Ligure AL 15 136 72236
Montesegale PV 15 298 72534
Val di Nizza PV 16 624 73158
Varzi PV 16 3279 76437
Retorbido PV 16 1538 77975
Arquata Scrivia AL 16 6409 84384
Pozzolo Formigaro AL 17 4775 89159
Cabella Ligure AL 17 528 89687
Novi Ligure AL 17 28154 117841
Pontecurone AL 17 3723 121564
Codevilla PV 18 997 122561
Isola del Cantone GE 18 1540 124101
Fortunago PV 20 390 124491
Mongiardino Ligure AL 20 165 124656
Valverde PV 20 287 124943
Santa Margherita di Staffora PV 20 473 125416
Torrazza Coste PV 20 1680 127096
Tassarolo AL 20 672 127768

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Alessandria (93943 inhabitants)
44 Km SW of Pavia (72576 inhabitants)
44 Km N of Genova (586655 inhabitants)
58 Km S of Vigevano (63310 inhabitants)
61 Km W of Piacenza (102191 inhabitants)
63 Km E of Asti (76202 inhabitants)
69 Km NE of Savona (61345 inhabitants)
75 Km S of Milano (1345851 inhabitants)
77 Km SE of Novara (104380 inhabitants)
80 Km S of Rho (50434 inhabitants)
83 Km S of Sesto San Giovanni (81608 inhabitants)
85 Km S of Cinisello Balsamo (75078 inhabitants)
88 Km S of Legnano (60262 inhabitants)
89 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 2.4 2013-10-14
16:26:33		 44.8097 8.9958 18 2015-01-20
11:29:23		 Bollettino Sismico Italiano INGV 9111891
Reviewed
Rev100 		ML 2.4 2013-10-14
16:26:33		 44.8003 8.9867 10 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4662671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-10-14 16:26:33 ± 0.13
Latitude 44.8097 ± 0.0117
Longitude 8.9958 ± 0.0114
Depth (km) 18 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 9111891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1144
Semi-minor axis of confidence ellipse (meter) 745
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 9
Circular confidence region, given by single value of horizontal uncertainty (meter) 1140.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.29228
Epicentral distance of station farthest from the epicenter (degree) 1.65115
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 29
Type of magnitude ML
Reference to an origin 4662671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-10-14 17:07:39

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 29
Type of magnitude ML
Reference to an origin 9111891
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:30:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.MUGIO.HHZ. 2013-10-14T16:27:10.00 0.6 undecidable manual S 2 123.4875 94 0.76 38
GU.REMY.HHZ. 2013-10-14T16:27:02.11 0.3 undecidable manual P 309 183.2832 54 -0.48 52
GU.POPM.HHZ. 2013-10-14T16:27:00.85 0.6 undecidable manual P 121 163.3143 54 0.75 35
FR.SAOF.HHZ. 2013-10-14T16:26:59.07 0.3 undecidable manual P 232 146.3424 93 1.28 43
GU.STV.HHZ. 2013-10-14T16:26:58.71 0.3 undecidable manual P 245 146.1426 93 0.96 50
CH.MMK.HHZ. 2013-10-14T16:26:58.86 0.3 undecidable manual P 330 159.4182 54 -0.75 52
GU.NEGI.HHZ. 2013-10-14T16:26:58.22 0.3 undecidable manual P 224 148.1406 93 0.16 66
GU.ENR.HHZ. 2013-10-14T16:26:58.06 0.3 undecidable manual P 243 140.3484 93 1.19 46
GU.RSP.HHE. 2013-10-14T16:26:55.89 0.3 undecidable manual P 286 140.8479 93 -1.05 50
IV.IMI.HHZ. 2013-10-14T16:26:55.70 0.6 undecidable manual P 222 132.6672 93 0.03 47
GU.BHB.HHZ. 2013-10-14T16:26:55.98 0.3 undecidable manual P 272 136.3635 93 -0.26 66
GU.CIRO.HHZ. 2013-10-14T16:26:55.96 0.3 undecidable manual P 309 142.0467 93 -1.16 47
CH.MUGIO.HHZ. 2013-10-14T16:26:54.33 0.1 undecidable manual P 2 123.4875 94 0.07 94
GU.TRAV.HHZ. 2013-10-14T16:26:54.28 0.3 undecidable manual P 309 124.986 94 -0.22 69
IV.MDI.HHZ. 2013-10-14T16:26:54.86 0.3 undecidable manual P 28 120.3906 94 1.07 51
GU.EQUI.HHZ. 2013-10-14T16:26:53.54 0.3 undecidable manual P 128 116.0949 94 0.41 67
GU.GBOS.HHZ. 2013-10-14T16:26:52.63 0.3 undecidable manual P 236 111 94 0.28 69
IV.PLMA.HHZ. 2013-10-14T16:26:52.01 0.3 undecidable manual P 141 108.3138 94 0.09 73
GU.RORO.HHZ. 2013-10-14T16:26:51.58 0.6 undecidable manual P 224 106.8153 94 -0.12 48
GU.GRAM.HHZ. 2013-10-14T16:26:49.54 0.3 undecidable manual P 112 91.5417 95 0.19 74
GU.FINB.HHZ. 2013-10-14T16:26:49.06 0.3 undecidable manual P 217 87.9453 95 0.26 73
GU.PCP.HHZ. 2013-10-14T16:26:48.40 0.3 undecidable manual S 230 46.3203 102 -0.4 77
IV.QLNO.HHZ. 2013-10-14T16:26:46.55 0.3 undecidable manual P 224 74.37 96 -0.18 76
IV.BOB.HHZ. 2013-10-14T16:26:46.40 0.3 undecidable manual S 97 35.8419 106 0.32 80
GU.GORR.HHE. 2013-10-14T16:26:45.10 0.3 undecidable manual S 134 32.4453 108 -0.1 83
IV.MSSA.HHZ. 2013-10-14T16:26:45.39 0.3 undecidable manual P 143 68.4759 97 -0.43 73
GU.ROTM.HHE. 2013-10-14T16:26:44.39 0.3 undecidable manual P 275 50.8158 100 1.27 52
GU.PCP.HHZ. 2013-10-14T16:26:41.95 0.1 undecidable manual P 230 46.3203 102 -0.5 100
IV.BOB.HHZ. 2013-10-14T16:26:40.35 0.1 negative manual P 97 35.8419 106 -0.53 100
GU.GORR.HHE. 2013-10-14T16:26:39.61 0.1 positive manual P 134 32.4453 108 -0.77 91
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BHB.HHN. ML:2.6 0.000214 0.26 AML other m 2013-10-14T16:27:18.13
GU.BHB.HHE. ML:2.5 0.0001905 0.34 AML other m 2013-10-14T16:27:18.85
IV.BOB.HNE. ML:2.4 0.0008089999999999999 0.78 AML other m 2013-10-14T16:26:51.35
IV.BOB.HHE. ML:2.4 0.000933 0.76 AML other m 2013-10-14T16:26:51.36
IV.BOB.HNN. ML:2.4 0.0009419999999999999 0.72 AML other m 2013-10-14T16:26:48.99
IV.BOB.HHN. ML:2.4 0.000997 0.72 AML other m 2013-10-14T16:26:48.99
GU.CIRO.HHN. ML:3.0 0.0005355000000000001 0.82 AML other m 2013-10-14T16:27:16.37
GU.CIRO.HHE. ML:2.8 0.00034199999999999996 0.34 AML other m 2013-10-14T16:27:16.91
GU.ENR.HHN. ML:2.5 0.000188 0.36 AML other m 2013-10-14T16:27:19.50
GU.ENR.HHE. ML:2.4 0.000132 1.32 AML other m 2013-10-14T16:27:19.89
GU.EQUI.HHE. ML:2.0 0.00008724999999999999 1.4 AML other m 2013-10-14T16:26:55.75
GU.EQUI.HHN. ML:2.1 0.0001017 0.32 AML other m 2013-10-14T16:26:57.11
GU.FINB.HHE. ML:2.0 0.000131 0.72 AML other m 2013-10-14T16:27:01.36
GU.FINB.HHN. ML:2.1 0.00015900000000000002 0.36 AML other m 2013-10-14T16:27:04.07
GU.GBOS.HHN. ML:2.0 0.0000891 0.58 AML other m 2013-10-14T16:27:08.95
GU.GBOS.HHE. ML:2.1 0.0000989 0.56 AML other m 2013-10-14T16:27:09.43
GU.GRAM.HHE. ML:2.5 0.0003275 0.26 AML other m 2013-10-14T16:27:04.22
GU.GRAM.HHN. ML:2.5 0.000327 1.38 AML other m 2013-10-14T16:27:03.52
IV.IMI.HHE. ML:2.2 0.00009305 1.16 AML other m 2013-10-14T16:27:14.47
IV.IMI.HHN. ML:2.4 0.000155 0.6 AML other m 2013-10-14T16:27:15.61
IV.MDI.HHN. ML:2.4 0.000203 0.72 AML other m 2013-10-14T16:27:13.19
IV.MDI.HHE. ML:2.5 0.00020850000000000003 0.24 AML other m 2013-10-14T16:27:14.31
CH.MMK.HHE. ML:2.8 0.0002735 0.18 AML other m 2013-10-14T16:27:19.84
CH.MMK.HHN. ML:2.6 0.0001815 0.4 AML other m 2013-10-14T16:27:22.24
IV.MONC.HHN. ML:3.0 0.0010635 0.26 AML other m 2013-10-14T16:27:10.42
IV.MONC.HHE. ML:3.0 0.00123 0.3 AML other m 2013-10-14T16:27:10.99
IV.MSSA.HHN. ML:2.0 0.00016999999999999999 0.94 AML other m 2013-10-14T16:26:55.46
IV.MSSA.HHE. ML:2.1 0.00020600000000000002 0.68 AML other m 2013-10-14T16:27:03.58
CH.MUGIO.HHN. ML:2.4 0.000168 0.54 AML other m 2013-10-14T16:27:14.21
CH.MUGIO.HHE. ML:2.5 0.000235 0.32 AML other m 2013-10-14T16:27:12.07
GU.NEGI.HHE. ML:2.2 0.0000833 0.42 AML other m 2013-10-14T16:27:19.34
GU.NEGI.HHN. ML:2.2 0.00009075 1.44 AML other m 2013-10-14T16:27:27.47
GU.PCP.HHE. ML:2.1 0.000309 1.14 AML other m 2013-10-14T16:26:49.89
GU.PCP.HHN. ML:2.0 0.000242 0.56 AML other m 2013-10-14T16:26:50.23
IV.PII.HHE. ML:2.5 0.00011385 0.42 AML other m 2013-10-14T16:27:25.89
IV.PII.HHN. ML:2.3 0.0000734 0.24 AML other m 2013-10-14T16:27:25.44
IV.PLMA.HHE. ML:2.2 0.0001265 1.28 AML other m 2013-10-14T16:27:08.29
IV.PLMA.HHN. ML:2.4 0.00020250000000000002 0.8 AML other m 2013-10-14T16:27:08.15
GU.POPM.HHE. ML:2.6 0.00016949999999999997 1.2 AML other m 2013-10-14T16:27:28.10
GU.POPM.HHN. ML:2.4 0.0001095 0.26 AML other m 2013-10-14T16:27:29.92
IV.QLNO.HHN. ML:2.0 0.0001575 0.18 AML other m 2013-10-14T16:27:03.51
IV.QLNO.HHE. ML:2.0 0.00014000000000000001 0.2 AML other m 2013-10-14T16:27:03.83
GU.REMY.HHE. ML:2.8 0.00019600000000000002 1.42 AML other m 2013-10-14T16:27:28.59
GU.REMY.HHN. ML:2.7 0.0001715 0.56 AML other m 2013-10-14T16:27:29.84
GU.RORO.HHN. ML:2.2 0.0001565 1.3 AML other m 2013-10-14T16:27:07.76
GU.RORO.HHE. ML:2.2 0.00014350000000000002 0.7 AML other m 2013-10-14T16:27:10.35
GU.ROTM.HHE. ML:2.7 0.00127 0.46 AML other m 2013-10-14T16:27:09.94
GU.ROTM.HHN. ML:2.8 0.00147 0.38 AML other m 2013-10-14T16:27:00.58
GU.RRL.HHE. ML:2.1 0.00004725 0.26 AML other m 2013-10-14T16:27:23.67
GU.RRL.HHN. ML:2.0 0.000042749999999999996 0.88 AML other m 2013-10-14T16:27:31.25
IV.SALO.HHE. ML:2.5 0.0001525 0.66 AML other m 2013-10-14T16:27:30.40
IV.SALO.HHN. ML:2.6 0.0001955 0.4 AML other m 2013-10-14T16:27:20.98
FR.SAOF.HHN.00 ML:2.2 0.0000931 0.58 AML other m 2013-10-14T16:27:18.13
FR.SAOF.HHE.00 ML:2.2 0.0000804 1.5 AML other m 2013-10-14T16:27:23.61
GU.STV.HHN. ML:2.2 0.00008549999999999999 1.36 AML other m 2013-10-14T16:27:20.50
GU.STV.HHE. ML:2.1 0.00007075000000000001 0.72 AML other m 2013-10-14T16:27:19.88
GU.TRAV.HHE. ML:3.0 0.0006565000000000001 0.2 AML other m 2013-10-14T16:27:14.14
GU.TRAV.HHN. ML:3.0 0.0006605 0.22 AML other m 2013-10-14T16:27:14.25
IV.VARE.EHN. ML:2.4 0.000209 1.18 AML other m 2013-10-14T16:27:10.19
IV.VARE.EHE. ML:2.4 0.00017199999999999998 0.6 AML other m 2013-10-14T16:27:14.29
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