Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 18-07-2017 and time 19:00:17 (Italy) in region 1 km W Montacuto (AL)

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

  • 18-07-2017 17:00:17 (UTC)
  • 18-07-2017 19:00:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.7630, 9.0920 at 17 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
Montacuto AL 1 278 278
San Sebastiano Curone AL 3 583 861
Dernice AL 3 185 1046
Gremiasco AL 4 324 1370
Fabbrica Curone AL 5 656 2026
Cantalupo Ligure AL 6 527 2553
Brignano-Frascata AL 7 456 3009
Rocchetta Ligure AL 7 200 3209
Albera Ligure AL 7 325 3534
Bagnaria PV 8 658 4192
Garbagna AL 8 696 4888
Cecima PV 10 236 5124
Momperone AL 10 223 5347
Cabella Ligure AL 10 528 5875
Casasco AL 10 129 6004
Ponte Nizza PV 10 807 6811
Varzi PV 11 3279 10090
Roccaforte Ligure AL 11 136 10226
Avolasca AL 11 294 10520
Santa Margherita di Staffora PV 12 473 10993
Borghetto di Borbera AL 12 1966 12959
Montemarzino AL 12 341 13300
Grondona AL 13 510 13810
Castellania AL 13 90 13900
Montegioco AL 14 313 14213
Pozzol Groppo AL 14 328 14541
Sant'Agata Fossili AL 14 425 14966
Mongiardino Ligure AL 14 165 15131
Costa Vescovato AL 14 335 15466
Val di Nizza PV 14 624 16090
Sardigliano AL 15 406 16496
Menconico PV 15 360 16856
Brallo di Pregola PV 15 599 17455
Godiasco Salice Terme PV 15 3229 20684
Cerreto Grue AL 15 323 21007
Carezzano AL 16 431 21438
Valverde PV 16 287 21725
Monleale AL 16 566 22291
Montesegale PV 16 298 22589
Gavazzana AL 16 180 22769
Volpedo AL 16 1227 23996
Rocca Susella PV 17 225 24221
Isola del Cantone GE 17 1540 25761
Berzano di Tortona AL 17 157 25918
Vignole Borbera AL 17 2182 28100
Paderna AL 17 220 28320
Carrega Ligure AL 17 84 28404
Volpeglino AL 18 148 28552
Cassano Spinola AL 18 1731 30283
Stazzano AL 18 2486 32769
Zavattarello PV 18 991 33760
Sarezzano AL 18 1171 34931
Arquata Scrivia AL 18 6409 41340
Vobbia GE 19 409 41749
Zerba PC 19 77 41826
Villaromagnano AL 19 715 42541
Casalnoceto AL 19 980 43521
Serravalle Scrivia AL 19 6128 49649
Fortunago PV 19 390 50039
Spineto Scrivia AL 19 337 50376
Villalvernia AL 20 955 51331
Rivanazzano Terme PV 20 5312 56643
Castellar Guidobono AL 20 399 57042
Carbonara Scrivia AL 20 1122 58164

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km NE of Genova (586655 inhabitants)
41 Km E of Alessandria (93943 inhabitants)
47 Km S of Pavia (72576 inhabitants)
57 Km SW of Piacenza (102191 inhabitants)
64 Km SE of Vigevano (63310 inhabitants)
70 Km NE of Savona (61345 inhabitants)
72 Km E of Asti (76202 inhabitants)
79 Km S of Milano (1345851 inhabitants)
84 Km W of Cremona (71901 inhabitants)
85 Km SE of Novara (104380 inhabitants)
85 Km S of Rho (50434 inhabitants)
87 Km S of Sesto San Giovanni (81608 inhabitants)
89 Km S of Cinisello Balsamo (75078 inhabitants)
93 Km S of Monza (122671 inhabitants)
93 Km NW of La Spezia (93959 inhabitants)
94 Km S of Legnano (60262 inhabitants)
97 Km S of Busto Arsizio (83106 inhabitants)
98 Km W of Parma (192836 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 2017-07-18
17:00:17		 44.7632 9.0923 17 2018-07-06
12:40:15		 Bollettino Sismico Italiano INGV 50821021
Reviewed
Rev100 		ML 2.1 2017-07-18
17:00:17		 44.7707 9.0832 19 2017-07-18
17:11:06		 Sala Sismica INGV-Roma 48024051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-07-18 17:00:17 ± 0.09
Latitude 44.7632 ± 0.0072
Longitude 9.0923 ± 0.0063
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 50821021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 780
Semi-minor axis of confidence ellipse (meter) 47
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 182
Circular confidence region, given by single value of horizontal uncertainty (meter) 780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.16368
Epicentral distance of station farthest from the epicenter (degree) 1.48028
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 50821021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-11-03 15:45:18

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 48024051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-07-18 17:11:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MAGA.HHZ. 2017-07-18T17:01:04.24 0.6 undecidable manual S 46 164.3133 54 0.52 37
IV.SALO.HHZ. 2017-07-18T17:00:59.25 0.6 undecidable manual S 49 146.742 93 -0.2 41
GU.MGRO.HHZ. 2017-07-18T17:00:55.25 1.0 undecidable manual S 232 129.3705 93 0.42 21
GU.SARM.EHZ. 2017-07-18T17:00:53.32 0.6 undecidable manual S 121 121.8891 93 0.5 41
GU.GBOS.HHZ. 2017-07-18T17:00:51.22 0.6 undecidable manual S 240 114.6963 93 0.3 44
IV.PLMA.HHZ. 2017-07-18T17:00:46.64 0.6 undecidable manual S 142 99.5226 94 -0.22 46
IV.MAGA.HHZ. 2017-07-18T17:00:44.48 0.6 undecidable manual P 46 164.3133 54 0.17 40
GU.GRAM.HHZ. 2017-07-18T17:00:43.27 0.6 undecidable manual S 111 82.5507 95 0.92 37
IV.SALO.HHZ. 2017-07-18T17:00:42.36 0.3 undecidable manual P 49 146.742 93 0.52 59
GU.MGRO.HHZ. 2017-07-18T17:00:38.96 0.3 undecidable manual P 232 129.3705 93 -0.22 65
IV.VARE.HHZ. 2017-07-18T17:00:38.73 0.6 undecidable manual P 349 125.0859 93 0.22 44
GU.SARM.EHZ. 2017-07-18T17:00:38.09 0.3 undecidable manual P 121 121.8891 93 0.07 68
GU.GBOS.HHZ. 2017-07-18T17:00:37.10 0.3 undecidable manual P 240 114.6963 93 0.18 67
IV.MSSA.HHZ. 2017-07-18T17:00:36.18 0.3 undecidable manual S 146 59.8956 97 -0.16 76
GU.ROTM.HHZ. 2017-07-18T17:00:36.45 0.6 undecidable manual S 280 58.9965 97 0.35 49
GU.EQUI.HHZ. 2017-07-18T17:00:35.69 0.3 undecidable manual P 128 106.9152 94 -0.03 71
IV.PLMA.HHZ. 2017-07-18T17:00:34.34 0.3 undecidable manual P 142 99.5226 94 -0.24 69
GU.PCP.HHZ. 2017-07-18T17:00:33.70 0.6 undecidable manual S 241 49.7169 99 0.06 52
GU.CANO.HHZ. 2017-07-18T17:00:33.85 1.0 undecidable manual P 228 91.5417 94 0.5 22
GU.GRAM.HHZ. 2017-07-18T17:00:32.42 0.6 undecidable manual P 111 82.5507 95 0.45 45
GU.RNCA.HHZ. 2017-07-18T17:00:30.13 0.6 undecidable manual S 199 34.2435 105 0.52 47
IV.BOB.HHZ. 2017-07-18T17:00:28.08 0.6 undecidable manual S 89 28.0497 110 0.06 54
IV.MSSA.HHZ. 2017-07-18T17:00:28.14 0.3 undecidable manual P 146 59.8956 97 -0.36 73
GU.ROTM.HHZ. 2017-07-18T17:00:28.34 0.6 undecidable manual P 280 58.9965 97 -0.02 51
GU.GORR.HHZ. 2017-07-18T17:00:27.18 0.6 undecidable manual S 138 23.4543 115 0.28 51
GU.PCP.HHZ. 2017-07-18T17:00:26.18 0.1 undecidable manual P 241 49.7169 99 -0.76 85
IV.SARZ.HHZ. 2017-07-18T17:00:26.34 0.6 undecidable manual S 309 18.1707 124 0.66 48
GU.RNCA.HHZ. 2017-07-18T17:00:24.47 0.3 undecidable manual P 199 34.2435 105 -0.15 80
IV.BOB.HHZ. 2017-07-18T17:00:23.11 0.1 undecidable manual P 89 28.0497 110 -0.59 96
GU.GORR.HHZ. 2017-07-18T17:00:22.62 0.6 undecidable manual P 138 23.4543 115 -0.43 51
IV.SARZ.HHZ. 2017-07-18T17:00:21.86 0.1 undecidable manual P 309 18.1707 124 -0.48 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SARZ.HHE. ML:2.3 0.0012850000000000001 0.54 AML other m 2017-07-18T17:00:26.48
IV.SARZ.HNE. ML:2.3 0.00132 0.56 AML other m 2017-07-18T17:00:26.48
IV.SARZ.HNN. ML:2.4 0.001595 0.76 AML other m 2017-07-18T17:00:26.58
IV.SARZ.HHN. ML:2.4 0.001545 0.76 AML other m 2017-07-18T17:00:26.58
GU.GORR.HHE. ML:2.3 0.0010969999999999999 0.18 AML other m 2017-07-18T17:00:27.72
GU.GORR.HHN. ML:2.2 0.0007965 0.52 AML other m 2017-07-18T17:00:28.31
IV.BOB.HNN. ML:2.1 0.0005545 0.42 AML other m 2017-07-18T17:00:29.26
IV.BOB.HHN. ML:2.1 0.0005965 0.4 AML other m 2017-07-18T17:00:29.25
IV.BOB.HHE. ML:1.9 0.0004055 0.58 AML other m 2017-07-18T17:00:29.63
IV.BOB.HNE. ML:2.0 0.000426 0.58 AML other m 2017-07-18T17:00:29.64
GU.RNCA.HHE. ML:1.8 0.00026749999999999994 0.24 AML other m 2017-07-18T17:00:30.61
GU.RNCA.HHN. ML:1.5 0.0001095 0.34 AML other m 2017-07-18T17:00:30.74
IV.MSSA.HHN. ML:1.7 0.00010570000000000001 1.58 AML other m 2017-07-18T17:00:37.05
IV.MSSA.HHE. ML:1.7 0.0001125 0.7 AML other m 2017-07-18T17:00:37.11
GU.PCP.HHN. ML:1.2 0.00004635 0.36 AML other m 2017-07-18T17:00:40.72
GU.PCP.HHE. ML:1.3 0.0000477 1.5 AML other m 2017-07-18T17:00:40.23
GU.ROTM.HHE. ML:2.2 0.00033199999999999994 0.44 AML other m 2017-07-18T17:00:43.32
GU.GRAM.HHE. ML:2.4 0.0003045 0.3 AML other m 2017-07-18T17:00:44.36
GU.GRAM.HHN. ML:2.2 0.000185 1.46 AML other m 2017-07-18T17:00:45.91
GU.CANO.HHN. ML:2.2 0.0001995 0.34 AML other m 2017-07-18T17:00:47.07
GU.CANO.HHE. ML:2.1 0.0001365 0.88 AML other m 2017-07-18T17:00:47.87
IV.PLMA.HHN. ML:1.9 0.00008444999999999999 0.4 AML other m 2017-07-18T17:00:49.11
IV.PLMA.HHE. ML:2.0 0.0000901 0.58 AML other m 2017-07-18T17:00:49.41
GU.ROTM.HHN. ML:2.3 0.0004165 1.42 AML other m 2017-07-18T17:00:51.87
GU.GBOS.HHE. ML:1.4 0.000018200000000000002 0.3 AML other m 2017-07-18T17:00:54.31
GU.GBOS.HHN. ML:1.6 0.00003095 0.56 AML other m 2017-07-18T17:00:54.36
IV.VARE.HHN. ML:1.8 0.0000407 0.66 AML other m 2017-07-18T17:00:56.20
GU.MGRO.HHE. ML:1.8 0.0000447 0.52 AML other m 2017-07-18T17:00:56.64
IV.VARE.HHE. ML:1.8 0.000042050000000000006 0.66 AML other m 2017-07-18T17:00:57.04
GU.MGRO.HHN. ML:1.7 0.00003365 1.04 AML other m 2017-07-18T17:00:57.72
GU.SARM.EHN. ML:2.3 0.00014460000000000002 0.44 AML other m 2017-07-18T17:01:00.38
GU.SARM.EHE. ML:2.3 0.00013115000000000002 0.84 AML other m 2017-07-18T17:01:01.49
IV.MAGA.HHE. ML:2.5 0.00013900000000000002 1.4 AML other m 2017-07-18T17:01:07.08
IV.MAGA.HHN. ML:2.3 0.00008130000000000001 1.06 AML other m 2017-07-18T17:01:07.09
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