Earthquake with magnitude of ML 1.6 on date 20-10-2018 and time 23:36:29 (UTC) in region 7 km N Borgo Val di Taro (PR)

A magnitude ML 1.6 earthquake occured in region: 7 km N Borgo Val di Taro (PR), on

  • 20-10-2018 23:36:29 (UTC)
  • 21-10-2018 01:36:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5510, 9.7490 at 7 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
Borgo Val di Taro PR 7 6999 6999
Compiano PR 9 1112 8111
Bardi PR 9 2227 10338
Bedonia PR 11 3482 13820
Valmozzola PR 11 539 14359
Tornolo PR 12 1010 15369
Albareto PR 12 2156 17525
Varsi PR 15 1230 18755
Bore PR 19 749 19504
Morfasso PC 19 1024 20528
Solignano PR 20 1773 22301
Berceto PR 20 2109 24410

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km N of La Spezia (93959 inhabitants)
54 Km SW of Parma (192836 inhabitants)
56 Km S of Piacenza (102191 inhabitants)
59 Km NW of Carrara (63133 inhabitants)
65 Km NW of Massa (69479 inhabitants)
67 Km E of Genova (586655 inhabitants)
69 Km SW of Cremona (71901 inhabitants)
72 Km W of Reggio nell'Emilia (171345 inhabitants)
85 Km SE of Pavia (72576 inhabitants)
86 Km NW of Viareggio (62467 inhabitants)
94 Km W of Carpi (70699 inhabitants)
94 Km W of Modena (184973 inhabitants)
98 Km E of Alessandria (93943 inhabitants)
99 Km NW of Lucca (89046 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 1.6 2018-10-20
23:36:29
44.5507 9.7488 7 2019-06-04
09:16:14
Bollettino Sismico Italiano INGV 68090391
Reviewed
Rev100
ML 1.5 2018-10-20
23:36:29
44.5497 9.7482 7 2018-10-20
23:45:26
Sala Sismica INGV-Roma 62154361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-10-20 23:36:29 ± 0.08
Latitude 44.5507 ± 0.0054
Longitude 9.7488 ± 0.0050
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68090391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 509
Semi-minor axis of confidence ellipse (meter) 431
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 5
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.99825
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 62154361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-10-20 23:45:26

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 68090391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-29 12:42:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SRES.HHZ. 2018-10-20T23:38:05.54 3.0 undecidable manual Sg 9.14 0
IV.APRC.HHZ. 2018-10-20T23:37:53.47 3.0 undecidable manual Pn 7.23 0
IV.ATFO.HHZ. 2018-10-20T23:37:47.38 3.0 undecidable manual Sg 8.01 0
MN.TRI.HHZ. 2018-10-20T23:37:33.59 3.0 positive manual Pg 14.45 0
RF.GEPF.HHZ. 2018-10-20T23:37:27.02 3.0 negative manual Pg 9.5 0
IV.PII.HHZ. 2018-10-20T23:37:02.85 0.6 undecidable manual S 146 110.8002 50 0.05 43
CH.BERNI.HHZ. 2018-10-20T23:37:01.11 3.0 undecidable manual Pn -1.8 0
GU.MAIM.HHZ. 2018-10-20T23:36:57.53 0.6 undecidable manual S 140 92.0412 50 -0.27 42
GU.CARD.HHZ. 2018-10-20T23:36:55.28 0.6 undecidable manual S 135 82.3509 50 0.07 45
IV.ZONE.HHZ. 2018-10-20T23:36:54.65 3.0 negative manual P 0.41 0
MN.VLC.HHZ. 2018-10-20T23:36:51.03 0.6 undecidable manual S 130 66.6777 50 0.01 47
GU.SARM.EHZ. 2018-10-20T23:36:50.48 0.6 undecidable manual S 128 65.7897 50 -0.32 44
GU.RNCA.HHZ. 2018-10-20T23:36:50.11 0.6 undecidable manual S 262 63.6918 50 -0.13 46
IV.PII.HHZ. 2018-10-20T23:36:49.06 0.3 undecidable manual P 146 110.8002 50 0.17 63
IV.PLMA.HHZ. 2018-10-20T23:36:47.57 0.3 undecidable manual S 171 56.1993 50 -0.66 61
GU.MAIM.HHZ. 2018-10-20T23:36:46.12 0.3 undecidable manual P 140 92.0412 50 0.11 66
GU.CARD.HHZ. 2018-10-20T23:36:45.04 0.3 undecidable manual P 135 82.3509 50 0.53 61
GU.FIVI.HNZ. 2018-10-20T23:36:45.61 0.6 undecidable manual S 139 45.7209 50 0.16 47
GU.GORR.HHZ. 2018-10-20T23:36:42.47 0.6 undecidable manual S 280 36.6411 101 -0.36 46
IV.GENL.EHE. 2018-10-20T23:36:42.11 0.6 undecidable manual P 256 63.6918 50 0.46 43
MN.VLC.HHZ. 2018-10-20T23:36:42.24 0.3 undecidable manual P 130 66.6777 50 0.15 69
GU.RNCA.HHZ. 2018-10-20T23:36:41.95 0.1 undecidable manual P 262 63.6918 50 0.31 89
IV.BOB.HHN. 2018-10-20T23:36:41.77 0.6 undecidable manual S 316 33.8439 102 -0.12 49
IV.MSSA.HHN. 2018-10-20T23:36:41.49 0.6 undecidable manual S 215 31.8459 103 0.28 47
GU.SARM.EHZ. 2018-10-20T23:36:41.79 0.3 undecidable manual P 128 65.7897 50 -0.17 68
IV.PLMA.HHZ. 2018-10-20T23:36:40.25 0.1 undecidable manual P 171 56.1993 50 -0.23 91
IV.PRMA.HHE. 2018-10-20T23:36:40.06 0.6 undecidable manual P 62 50.4162 50 0.47 44
GU.GRAM.HHZ. 2018-10-20T23:36:39.09 0.6 undecidable manual S 105 25.9518 105 -0.13 49
GU.FIVI.HNZ. 2018-10-20T23:36:38.81 0.1 undecidable manual P 139 45.7209 50 -0.06 97
GU.GORR.HHZ. 2018-10-20T23:36:37.26 0.1 positive manual P 280 36.6411 101 -0.11 97
IV.MSSA.HHN. 2018-10-20T23:36:36.65 0.1 undecidable manual P 215 31.8459 103 0.22 96
IV.BOB.HHN. 2018-10-20T23:36:36.64 0.1 undecidable manual P 316 33.8439 102 -0.19 96
GU.GRAM.HHZ. 2018-10-20T23:36:35.22 0.1 positive manual P 105 25.9518 105 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GRAM.HHE. ML:2.3 0.0011099999999999999 0.32 AML other m 2018-10-20T23:36:39.52
GU.GRAM.HHN. ML:2.1 0.0008345000000000001 0.74 AML other m 2018-10-20T23:36:40.03
GU.GORR.HHE. ML:1.5 0.0001255 0.42 AML other m 2018-10-20T23:36:43.67
GU.GORR.HHN. ML:1.6 0.0001535 0.72 AML other m 2018-10-20T23:36:44.50
IV.PLMA.HHE. ML:1.4 0.000057050000000000004 0.6 AML other m 2018-10-20T23:36:48.55
GU.RNCA.HHN. ML:1.5 0.00006395 0.46 AML other m 2018-10-20T23:36:50.75
GU.RNCA.HHE. ML:1.5 0.0000532 0.5 AML other m 2018-10-20T23:36:50.50
GU.SARM.EHE. ML:1.8 0.000128 0.28 AML other m 2018-10-20T23:36:51.72
GU.SARM.EHN. ML:1.7 0.00010250000000000001 0.98 AML other m 2018-10-20T23:36:52.07
IV.PLMA.HHN. ML:1.3 0.00004955 1.6 AML other m 2018-10-20T23:36:52.87
MN.VLC.HHN. ML:1.1 0.0000253 0.76 AML other m 2018-10-20T23:36:53.58
MN.VLC.HHE. ML:1.1 0.0000235 0.36 AML other m 2018-10-20T23:36:53.46
GU.CARD.HHE. ML:1.8 0.0000731 0.54 AML other m 2018-10-20T23:36:58.70
GU.CARD.HHN. ML:1.8 0.0000854 1.42 AML other m 2018-10-20T23:36:59.22
GU.MAIM.HHN. ML:1.5 0.000032550000000000005 1.42 AML other m 2018-10-20T23:36:59.95
GU.MAIM.HHE. ML:1.4 0.00002825 1.44 AML other m 2018-10-20T23:37:01.79
IV.PII.HHN. ML:1.4 0.00002 0.22 AML other m 2018-10-20T23:37:04.27
IV.PII.HHE. ML:1.4 0.0000177 0.42 AML other m 2018-10-20T23:37:05.49
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