Earthquake with magnitude of ML 1.7 on date 11-08-2018 and time 18:42:12 (Italy) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 1.7 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 11-08-2018 16:42:12 (UTC)
  • 11-08-2018 18:42:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.8770, 15.9970 at 42 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
Briatico VV 17 4053 4053
Zambrone VV 20 1775 5828

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of Lamezia Terme (70714 inhabitants)
52 Km SW of Cosenza (67546 inhabitants)
52 Km W of Catanzaro (90612 inhabitants)
85 Km NE of Messina (238439 inhabitants)
91 Km NE of Reggio di Calabria (183035 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 1.7 2018-08-11
16:42:12
38.877 15.9968 42 2019-04-24
14:50:53
Bollettino Sismico Italiano INGV 59775771
Reviewed
Rev100
ML 1.8 2018-08-11
16:42:13
38.8732 16.0058 34 2018-08-11
16:48:56
Sala Sismica INGV-Roma 59640681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-11 16:42:12 ± 0.12
Latitude 38.8770 ± 0.0063
Longitude 15.9968 ± 0.0139
Depth (km) 42 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 59775771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1223
Semi-minor axis of confidence ellipse (meter) 187
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 283
Circular confidence region, given by single value of horizontal uncertainty (meter) 1220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.08458
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 59775771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-08-15 14:23:13

ML:1.8

Field Value
Value 1.8
Uncertainty 0.5
Num. used stations 14
Type of magnitude ML
Reference to an origin 59640681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-11 16:48:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.KLV.HHZ. 2018-08-11T16:44:12.73 3.0 undecidable manual Sn -7.14 0
IV.ASQU.HHZ. 2018-08-11T16:43:59.57 3.0 negative manual Pg 22.41 0
IV.RIBO.EHZ.01 2018-08-11T16:43:50.41 3.0 positive manual Pg 17.549999 0
AC.PUK.HHZ. 2018-08-11T16:43:28.61 3.0 negative manual Pg 12.14 0
IV.LIK.EHZ.01 2018-08-11T16:43:08.22 3.0 positive manual Pg 7.22 0
IV.MOCO.HHZ. 2018-08-11T16:43:00.87 3.0 negative manual Pg 8.72 0
IV.SACR.HHZ. 2018-08-11T16:42:51.74 3.0 undecidable manual Pn -2.24 0
IV.MILZ.HHN. 2018-08-11T16:42:40.02 0.6 undecidable manual S 225 94.4388 94 -0.39 43
IV.MPNC.HHZ. 2018-08-11T16:42:40.84 3.0 undecidable manual S 0
IV.CMPR.HHZ. 2018-08-11T16:42:37.76 3.0 undecidable manual Pn -0.2 0
MN.TIP.HHZ. 2018-08-11T16:42:36.35 0.6 undecidable manual S 63 73.6707 97 0.4 45
IV.CET2.HHZ. 2018-08-11T16:42:35.37 0.3 undecidable manual S 357 72.372 98 -0.3 67
IV.PLAC.HHZ. 2018-08-11T16:42:34.82 0.6 undecidable manual S 141 60.8946 102 1.58 26
MN.CEL.HHZ. 2018-08-11T16:42:34.69 0.6 undecidable manual S 187 68.9754 99 -0.26 46
IV.SERS.HNN. 2018-08-11T16:42:34.06 1.0 undecidable manual S 73 62.1933 101 0.55 22
IV.AIO.HHE. 2018-08-11T16:42:32.51 0.3 undecidable manual P 214 120.3906 93 0.56 57
IV.CAR1.HHZ. 2018-08-11T16:42:29.95 0.6 undecidable manual S 24 45.621 114 -0.15 49
IV.MILZ.HHN. 2018-08-11T16:42:29.15 0.6 undecidable manual P 225 94.4388 94 0.42 42
IV.MPNC.HHZ. 2018-08-11T16:42:28.40 3.0 undecidable manual P 0
IV.JOPP.HHZ. 2018-08-11T16:42:27.48 0.6 undecidable manual S 198 31.4463 130 -0.03 52
IV.GRI.EHZ. 2018-08-11T16:42:27.30 0.6 undecidable manual S 99 37.0296 123 -1.17 34
IV.CET2.HHZ. 2018-08-11T16:42:26.10 0.3 undecidable manual P 357 72.372 98 0.11 71
IV.MSRU.HHZ. 2018-08-11T16:42:26.99 0.3 undecidable manual P 212 80.1642 96 0.04 70
MN.TIP.HHZ. 2018-08-11T16:42:26.45 0.3 undecidable manual P 63 73.6707 97 0.29 68
IV.GMB.BHZ. 2018-08-11T16:42:26.80 0.3 undecidable manual P 191 79.9644 96 -0.13 69
MN.CEL.HHZ. 2018-08-11T16:42:25.13 0.3 undecidable manual P 187 68.9754 99 -0.45 66
IV.SERS.HNN. 2018-08-11T16:42:24.60 0.3 undecidable manual P 73 62.1933 101 -0.14 71
IV.PLAC.HHZ. 2018-08-11T16:42:23.97 0.6 undecidable manual P 141 60.8946 102 -0.62 42
IV.SPS2.HHZ. 2018-08-11T16:42:23.88 0.3 undecidable manual P 33 54.501 106 0.06 74
IV.CAR1.HHZ. 2018-08-11T16:42:22.85 0.1 undecidable manual P 24 45.621 114 0.07 100
IV.GRI.EHZ. 2018-08-11T16:42:21.42 0.3 undecidable manual P 99 37.0296 123 -0.42 70
IV.JOPP.HHZ. 2018-08-11T16:42:21.62 0.1 undecidable manual P 198 31.4463 130 0.34 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHE. ML:1.8 0.00014500000000000003 0.6 AML other m 2018-08-11T16:42:29.80
IV.CAR1.HHN. ML:1.8 0.0001208 1.66 AML other m 2018-08-11T16:42:29.96
IV.CAR1.HHE. ML:1.9 0.000161 0.24 AML other m 2018-08-11T16:42:30.20
IV.SPS2.HHE. ML:1.3 0.00003695 1.58 AML other m 2018-08-11T16:42:31.08
IV.SPS2.HHN. ML:1.4 0.000045249999999999995 0.84 AML other m 2018-08-11T16:42:32.36
IV.PLAC.HHE. ML:1.8 0.00009779999999999999 0.38 AML other m 2018-08-11T16:42:35.66
IV.PLAC.HHN. ML:1.8 0.00008929999999999999 1.6 AML other m 2018-08-11T16:42:35.03
IV.CET2.HHE. ML:2.2 0.0002045 0.42 AML other m 2018-08-11T16:42:35.93
MN.CEL.HHE. ML:1.7 0.00007705 1.5 AML other m 2018-08-11T16:42:39.93
MN.CEL.HHN. ML:1.7 0.00006994999999999999 1.42 AML other m 2018-08-11T16:42:39.95
IV.GRI.EHN. ML:1.7 0.00012126305 0.2688 AML other m 2018-08-11T16:42:29.17
IV.GRI.EHE. ML:1.7 0.000107142715 0.3584 AML other m 2018-08-11T16:42:29.41
IV.CAR1.HNE. ML:1.9 0.000162419 0.2816 AML other m 2018-08-11T16:42:30.22
IV.CAR1.HNN. ML:2.0 0.00020209864999999998 0.4736 AML other m 2018-08-11T16:42:31.24
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download