Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 07-10-2018 and time 22:56:35 (UTC) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 1.8 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 07-10-2018 22:56:35 (UTC)
  • 08-10-2018 00:56:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.3840, 15.7480 at 21 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
Palmi RC 9 18930 18930
Bagnara Calabra RC 12 10255 29185
Seminara RC 12 2811 31996
Gioia Tauro RC 14 19864 51860
Scilla RC 15 4964 56824
Melicuccà RC 15 930 57754
Sant'Eufemia d'Aspromonte RC 16 4120 61874
San Procopio RC 17 534 62408
Sinopoli RC 17 2089 64497
San Ferdinando RC 19 4490 68987
Rizziconi RC 19 7829 76816
San Roberto RC 19 1750 78566
Fiumara RC 20 1018 79584
Cosoleto RC 20 859 80443

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NE of Messina (238439 inhabitants)
32 Km N of Reggio di Calabria (183035 inhabitants)
83 Km SW of Lamezia Terme (70714 inhabitants)
94 Km SW of Catanzaro (90612 inhabitants)
100 Km NE of Acireale (52622 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 1.8 2018-10-07
22:56:35		 38.3838 15.7482 21 2019-06-04
09:16:00		 Bollettino Sismico Italiano INGV 62836151
Reviewed
Rev100 		ML 1.7 2018-10-07
22:56:35		 38.3817 15.7528 23 2018-10-07
23:06:56		 Sala Sismica INGV-Roma 61714491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-10-07 22:56:35 ± 0.11
Latitude 38.3838 ± 0.0054
Longitude 15.7482 ± 0.0069
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 62836151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 582
Semi-minor axis of confidence ellipse (meter) 481
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 359
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.16817
Epicentral distance of station farthest from the epicenter (degree) 1.59540
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:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 62836151
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-11-06 13:33:32

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 61714491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-10-07 23:06:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAR1.HHZ. 2018-10-07T22:57:05.83 0.6 undecidable manual S 22 104.4177 96 -0.16 43
IV.RAFF.HHZ. 2018-10-07T22:57:03.99 0.6 undecidable manual P 224 177.0894 54 0.67 30
IV.SALB.HHZ. 2018-10-07T22:57:02.73 0.6 undecidable manual P 17 173.493 54 -0.14 35
IV.MUCR.HHZ. 2018-10-07T22:57:01.24 0.6 undecidable manual S 244 85.0482 97 0.39 43
IV.ILLI.HHN. 2018-10-07T22:56:57.56 0.6 undecidable manual S 276 69.8745 99 0.73 40
IV.CET2.HHZ. 2018-10-07T22:56:56.12 0.3 undecidable manual P 8 128.2716 95 -0.65 54
IV.NOV.HHZ. 2018-10-07T22:56:56.22 0.6 undecidable manual S 234 66.378 100 0.31 45
IV.IVGP.HHE. 2018-10-07T22:56:56.01 0.6 undecidable manual S 271 68.4759 100 -0.46 43
IV.CELI.HHE. 2018-10-07T22:56:56.69 0.6 undecidable manual P 30 130.6692 95 -0.46 39
IV.IVPL.HHZ. 2018-10-07T22:56:55.90 0.6 undecidable manual S 270 66.7776 100 -0.13 46
IV.CAR1.HHZ. 2018-10-07T22:56:52.78 0.3 undecidable manual P 22 104.4177 96 -0.33 63
IV.MUCR.HHZ. 2018-10-07T22:56:50.31 0.6 undecidable manual P 244 85.0482 97 0.17 45
IV.MILZ.HHZ. 2018-10-07T22:56:50.43 0.6 undecidable manual S 255 46.7199 105 -0.36 46
IV.SOI.EHZ. 2018-10-07T22:56:49.92 0.6 undecidable manual S 142 43.623 107 -0.07 49
IV.MPNC.HHZ. 2018-10-07T22:56:49.24 0.6 undecidable manual S 233 43.3233 107 -0.69 41
IV.ILLI.HHN. 2018-10-07T22:56:48.75 0.6 undecidable manual P 276 69.8745 99 0.92 36
IV.IVPL.HHZ. 2018-10-07T22:56:47.52 0.3 undecidable manual P 270 66.7776 100 0.16 70
IV.IVGP.HHE. 2018-10-07T22:56:47.46 0.6 undecidable manual P 271 68.4759 100 -0.16 46
IV.JOPP.HHZ. 2018-10-07T22:56:46.13 0.6 undecidable manual S 26 27.4503 119 0.13 50
IV.NOV.HHZ. 2018-10-07T22:56:46.95 0.6 undecidable manual P 234 66.378 100 -0.34 45
IV.GMB.BHZ. 2018-10-07T22:56:45.52 0.6 undecidable manual S 164 24.9528 122 0.1 51
IV.MILZ.HHZ. 2018-10-07T22:56:44.28 0.1 positive manual P 255 46.7199 105 -0.05 98
MN.CEL.HHZ. 2018-10-07T22:56:43.73 0.6 undecidable manual S 137 18.6702 131 -0.35 49
IV.SOI.EHZ. 2018-10-07T22:56:43.96 0.1 positive manual P 142 43.623 107 0.09 98
IV.MPNC.HHZ. 2018-10-07T22:56:43.41 0.3 undecidable manual P 233 43.3233 107 -0.44 68
IV.MTTG.HHZ. 2018-10-07T22:56:43.78 0.3 undecidable manual P 186 42.4242 107 0.07 74
IV.JOPP.HHZ. 2018-10-07T22:56:42.07 0.1 negative manual P 26 27.4503 119 0.5 92
IV.GMB.BHZ. 2018-10-07T22:56:41.43 0.3 undecidable manual P 164 24.9528 122 0.19 75
MN.CEL.HHZ. 2018-10-07T22:56:40.67 0.1 positive manual P 137 18.6702 131 0.21 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.CEL.HHN. ML:1.7 0.00027511390000000004 0.3072 AML other m 2018-10-07T22:56:44.65
MN.CEL.HNN. ML:1.6 0.00022269135 0.3072 AML other m 2018-10-07T22:56:44.65
MN.CEL.HHE. ML:1.8 0.00032365355 0.1792 AML other m 2018-10-07T22:56:45.10
MN.CEL.HNE. ML:1.7 0.0002607059 0.2048 AML other m 2018-10-07T22:56:45.20
IV.JOPP.HHE. ML:1.6 0.00015642519999999998 0.128 AML other m 2018-10-07T22:56:46.75
IV.JOPP.HHN. ML:1.9 0.0003636197 0.3456 AML other m 2018-10-07T22:56:47.27
IV.SOI.EHE. ML:1.6 0.00012579795 0.448 AML other m 2018-10-07T22:56:51.05
IV.MILZ.HHN. ML:1.9 0.00020225185000000002 0.32 AML other m 2018-10-07T22:56:51.55
IV.MILZ.HHE. ML:2.0 0.00025075655 0.2176 AML other m 2018-10-07T22:56:51.44
IV.NOV.HHE. ML:2.0 0.00016347435499999998 0.1664 AML other m 2018-10-07T22:56:57.61
IV.NOV.HHN. ML:2.0 0.00018411005 0.2176 AML other m 2018-10-07T22:56:57.73
IV.IVPL.HHE. ML:1.7 0.000087944015 0.5248 AML other m 2018-10-07T22:56:57.66
IV.CAR1.HHE. ML:1.6 0.000040032755000000004 0.2944 AML other m 2018-10-07T22:57:10.25
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