Earthquake with magnitude of ML 1.9 on date 21-11-2017 and time 09:39:36 (UTC) in region 3 km NW Terenzo (PR)

A magnitude ML 1.9 earthquake occured in region: 3 km NW Terenzo (PR), on

  • 21-11-2017 09:39:36 (UTC)
  • 21-11-2017 10:39:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.6400, 10.0740 at 28 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
Terenzo PR 3 1196 1196
Calestano PR 6 2100 3296
Fornovo di Taro PR 6 6100 9396
Varano de' Melegari PR 7 2676 12072
Solignano PR 8 1773 13845
Medesano PR 14 10828 24673
Felino PR 15 8790 33463
Sala Baganza PR 15 5561 39024
Langhirano PR 16 10315 49339
Pellegrino Parmense PR 16 1048 50387
Berceto PR 16 2109 52496
Tizzano Val Parma PR 17 2077 54573
Valmozzola PR 17 539 55112
Collecchio PR 17 14403 69515
Lesignano de' Bagni PR 18 5028 74543
Corniglio PR 18 1936 76479
Varsi PR 18 1230 77709

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km SW of Parma (192836 inhabitants)
45 Km W of Reggio nell'Emilia (171345 inhabitants)
55 Km SE of Piacenza (102191 inhabitants)
55 Km S of Cremona (71901 inhabitants)
62 Km NE of La Spezia (93959 inhabitants)
63 Km N of Carrara (63133 inhabitants)
66 Km W of Carpi (70699 inhabitants)
67 Km N of Massa (69479 inhabitants)
68 Km W of Modena (184973 inhabitants)
87 Km N of Viareggio (62467 inhabitants)
94 Km E of Genova (586655 inhabitants)
94 Km SE of Pavia (72576 inhabitants)
95 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 1.9 2017-11-21
09:39:36
44.6398 10.0742 28 2018-09-04
09:09:17
Bollettino Sismico Italiano INGV 55418981
Reviewed
Rev100
ML 2.0 2017-11-21
09:39:36
44.6442 10.0913 27 2017-11-21
10:02:03
Sala Sismica INGV-Roma 52026321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-11-21 09:39:36 ± 0.13
Latitude 44.6398 ± 0.0090
Longitude 10.0742 ± 0.0101
Depth (km) 28 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 55418981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 880
Semi-minor axis of confidence ellipse (meter) 561
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 21
Circular confidence region, given by single value of horizontal uncertainty (meter) 880.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.14839
Epicentral distance of station farthest from the epicenter (degree) 1.45330
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 55418981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-06-26 14:47:17

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 52026321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-11-21 10:02:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.LUSI.HHZ. 2017-11-21T09:40:01.09 0.3 undecidable manual P 25 161.3163 54 -0.41 55
IV.MDI.HHZ. 2017-11-21T09:39:57.78 0.3 undecidable manual P 348 128.4714 54 0.37 60
IV.MAGA.HHZ. 2017-11-21T09:39:57.63 0.3 undecidable manual P 19 133.1667 54 -0.37 61
GU.GORR.HHZ. 2017-11-21T09:39:56.76 0.6 undecidable manual S 267 61.7937 109 0.68 42
IV.MSSA.HHZ. 2017-11-21T09:39:54.97 0.1 undecidable manual S 231 56.7987 111 0.14 98
GU.EQUI.HHN. 2017-11-21T09:39:53.49 0.3 undecidable manual S 173 52.9026 112 -0.37 70
IV.BOB.HNE. 2017-11-21T09:39:53.88 0.3 undecidable manual S 286 51.4152 113 0.4 70
IV.PLMA.HHE. 2017-11-21T09:39:48.56 0.3 undecidable manual P 195 67.7766 107 -0.05 73
MN.VLC.HHZ. 2017-11-21T09:39:47.53 0.1 undecidable manual P 155 58.7967 110 0.23 96
GU.GORR.HHZ. 2017-11-21T09:39:47.53 0.1 undecidable manual P 267 61.7937 109 -0.21 95
IV.PRMA.HHZ. 2017-11-21T09:39:47.31 0.6 undecidable manual S 54 23.3544 136 0.1 52
IV.MSSA.HHZ. 2017-11-21T09:39:47.00 0.1 undecidable manual P 231 56.7987 111 -0.02 100
GU.SARM.EHZ. 2017-11-21T09:39:47.25 0.1 undecidable manual P 153 56.7987 111 0.23 96
IV.NEVI.HNN. 2017-11-21T09:39:47.36 0.3 undecidable manual S 108 20.1687 141 0.72 67
GU.EQUI.HHN. 2017-11-21T09:39:46.42 0.3 undecidable manual P 173 52.9026 112 -0.04 75
IV.BOB.HNE. 2017-11-21T09:39:46.01 0.1 undecidable manual P 286 51.4152 113 -0.23 97
GU.GRAM.HHZ. 2017-11-21T09:39:45.68 0.1 undecidable manual S 182 16.4724 147 -0.38 99
Z3.A306A.HHN. 2017-11-21T09:39:45.89 0.3 undecidable manual P 105 42.8238 118 0.85 60
IV.NEVI.HNN. 2017-11-21T09:39:42.72 0.3 undecidable manual P 108 20.1687 141 0.43 74
GU.GRAM.HHZ. 2017-11-21T09:39:41.49 0.1 undecidable manual P 182 16.4724 147 -0.47 98
IV.PRMA.HHZ. 2017-11-21T09:39:41.91 0.1 undecidable manual P 54 23.3544 136 -0.71 89
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GRAM.HHN. ML:2.2 0.00081590885 0.2432 AML other m 2017-11-21T09:39:45.94
GU.GRAM.HHE. ML:2.4 0.0013106765 0.1792 AML other m 2017-11-21T09:39:46.74
IV.PRMA.HHE. ML:2.5 0.001229156 0.2368 AML other m 2017-11-21T09:39:47.96
IV.PRMA.HHN. ML:2.2 0.0007472124 0.3776 AML other m 2017-11-21T09:39:48.03
IV.MSSA.HHN. ML:1.4 0.00005726686 0.32 AML other m 2017-11-21T09:39:55.41
IV.MSSA.HHE. ML:1.6 0.00008021521 0.7808 AML other m 2017-11-21T09:39:55.58
GU.GORR.HHE. ML:1.6 0.00006431657 0.2816 AML other m 2017-11-21T09:39:57.61
GU.GORR.HHN. ML:1.8 0.00011539571 0.3008 AML other m 2017-11-21T09:39:57.71
GU.SARM.EHE. ML:1.9 0.00013904709999999998 0.4224 AML other m 2017-11-21T09:39:58.55
GU.SARM.EHN. ML:1.9 0.00014183470000000002 0.3968 AML other m 2017-11-21T09:39:58.56
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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