Earthquake with magnitude of ML 2.0 on date 20-10-2013 and time 23:52:03 (UTC) in region 1 km SW Dernice (AL)

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

  • 20-10-2013 23:52:03 (UTC)
  • 21-10-2013 01:52:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.7590, 9.0410 at 29 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 1 185 185
San Sebastiano Curone AL 4 583 768
Garbagna AL 4 696 1464
Cantalupo Ligure AL 4 527 1991
Montacuto AL 5 278 2269
Rocchetta Ligure AL 6 200 2469
Brignano-Frascata AL 6 456 2925
Gremiasco AL 7 324 3249
Albera Ligure AL 7 325 3574
Avolasca AL 8 294 3868
Borghetto di Borbera AL 8 1966 5834
Casasco AL 8 129 5963
Momperone AL 9 223 6186
Roccaforte Ligure AL 9 136 6322
Fabbrica Curone AL 9 656 6978
Grondona AL 9 510 7488
Castellania AL 10 90 7578
Bagnaria PV 10 658 8236
Sant'Agata Fossili AL 10 425 8661
Cecima PV 11 236 8897
Cabella Ligure AL 11 528 9425
Sardigliano AL 11 406 9831
Montemarzino AL 11 341 10172
Costa Vescovato AL 11 335 10507
Montegioco AL 11 313 10820
Ponte Nizza PV 11 807 11627
Gavazzana AL 12 180 11807
Carezzano AL 12 431 12238
Cerreto Grue AL 13 323 12561
Vignole Borbera AL 13 2182 14743
Pozzol Groppo AL 13 328 15071
Mongiardino Ligure AL 13 165 15236
Paderna AL 14 220 15456
Cassano Spinola AL 14 1731 17187
Stazzano AL 14 2486 19673
Isola del Cantone GE 14 1540 21213
Varzi PV 14 3279 24492
Arquata Scrivia AL 15 6409 30901
Monleale AL 15 566 31467
Berzano di Tortona AL 15 157 31624
Serravalle Scrivia AL 15 6128 37752
Volpedo AL 15 1227 38979
Sarezzano AL 16 1171 40150
Godiasco Salice Terme PV 16 3229 43379
Villalvernia AL 16 955 44334
Spineto Scrivia AL 16 337 44671
Villaromagnano AL 16 715 45386
Santa Margherita di Staffora PV 16 473 45859
Volpeglino AL 16 148 46007
Carbonara Scrivia AL 17 1122 47129
Val di Nizza PV 17 624 47753
Vobbia GE 18 409 48162
Rocca Susella PV 18 225 48387
Montesegale PV 18 298 48685
Casalnoceto AL 18 980 49665
Ronco Scrivia GE 18 4417 54082
Castellar Guidobono AL 18 399 54481
Carrega Ligure AL 19 84 54565
Viguzzolo AL 19 3148 57713
Brallo di Pregola PV 19 599 58312
Rivanazzano Terme PV 19 5312 63624
Valverde PV 19 287 63911
Menconico PV 19 360 64271
Crocefieschi GE 19 548 64819
Carrosio AL 20 510 65329

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Alessandria (93943 inhabitants)
40 Km N of Genova (586655 inhabitants)
48 Km S of Pavia (72576 inhabitants)
61 Km SW of Piacenza (102191 inhabitants)
64 Km S of Vigevano (63310 inhabitants)
67 Km NE of Savona (61345 inhabitants)
68 Km E of Asti (76202 inhabitants)
80 Km S of Milano (1345851 inhabitants)
83 Km SE of Novara (104380 inhabitants)
86 Km S of Rho (50434 inhabitants)
88 Km S of Sesto San Giovanni (81608 inhabitants)
88 Km W of Cremona (71901 inhabitants)
90 Km S of Cinisello Balsamo (75078 inhabitants)
93 Km S of Legnano (60262 inhabitants)
94 Km S of Monza (122671 inhabitants)
96 Km NW of La Spezia (93959 inhabitants)
96 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 2.0 2013-10-20
23:52:03
44.7592 9.0413 29 2015-01-20
11:29:30
Bollettino Sismico Italiano INGV 8665691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-10-20 23:52:03 ± 0.2
Latitude 44.7592 ± 0.0135
Longitude 9.0413 ± 0.0139
Depth (km) 29 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 8665691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1432
Semi-minor axis of confidence ellipse (meter) 674
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 16
Circular confidence region, given by single value of horizontal uncertainty (meter) 1430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.23472
Epicentral distance of station farthest from the epicenter (degree) 1.26355
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 8665691
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:30:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.TRAV.HHZ. 2013-10-20T23:52:39.80 0.6 undecidable manual S 310 131.3685 54 -0.29 40
IV.QLNO.HHE. 2013-10-20T23:52:25.77 0.6 undecidable manual S 229 73.1712 107 -0.11 45
GU.BHB.HHZ. 2013-10-20T23:52:25.51 0.3 undecidable manual P 274 140.2485 54 -0.09 60
IV.MSSA.HHE. 2013-10-20T23:52:23.36 0.3 undecidable manual S 142 61.8936 110 0.32 68
GU.TRAV.HHZ. 2013-10-20T23:52:23.56 0.3 undecidable manual P 310 131.3685 54 -0.93 47
GU.ROTM.HHZ. 2013-10-20T23:52:22.40 0.6 undecidable manual S 281 55.1004 113 1.05 36
IV.MONC.HHZ. 2013-10-20T23:52:20.60 0.1 undecidable manual P 292 94.239 103 1.16 62
GU.PCP.HHE. 2013-10-20T23:52:18.36 0.6 undecidable manual S 238 46.0206 117 -0.78 38
IV.BOB.HHZ. 2013-10-20T23:52:16.30 0.6 undecidable manual S 88 32.0457 128 0.32 47
IV.QLNO.HHE. 2013-10-20T23:52:16.23 0.3 undecidable manual P 229 73.1712 107 -0.07 69
GU.GORR.HHZ. 2013-10-20T23:52:14.50 0.6 undecidable manual S 130 26.0517 134 -0.27 49
IV.MSSA.HHE. 2013-10-20T23:52:14.96 0.1 undecidable manual P 142 61.8936 110 0.31 91
GU.ROTM.HHZ. 2013-10-20T23:52:13.89 0.3 undecidable manual P 281 55.1004 113 0.22 71
GU.PCP.HHE. 2013-10-20T23:52:11.75 0.1 undecidable manual P 238 46.0206 117 -0.65 83
IV.BOB.HHZ. 2013-10-20T23:52:10.47 0.1 undecidable manual P 88 32.0457 128 -0.1 100
GU.GORR.HHZ. 2013-10-20T23:52:09.72 0.1 undecidable manual P 130 26.0517 134 -0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GORR.HHN. ML:1.9 0.00032199999999999997 0.44 AML other m 2013-10-20T23:52:15.25
GU.GORR.HHE. ML:1.9 0.000316 0.84 AML other m 2013-10-20T23:52:15.27
GU.TRAV.HHN. ML:2.0 0.00006465 0.18 AML other m 2013-10-20T23:52:40.31
GU.TRAV.HHE. ML:2.1 0.0000787 0.26 AML other m 2013-10-20T23:52:40.32
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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