Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 30-10-2020 and time 04:00:06 (Italy) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 1.4 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 30-10-2020 03:00:06 (UTC)
  • 30-10-2020 04:00:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.9360, 16.0930 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Falerna CZ 10 4028 4028
Gizzeria CZ 11 4982 9010
Nocera Terinese CZ 13 4731 13741
San Mango d'Aquino CZ 16 1564 15305
Serra d'Aiello CS 18 458 15763
Martirano Lombardo CZ 20 1112 16875

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km W of Lamezia Terme (70714 inhabitants)
42 Km SW of Cosenza (67546 inhabitants)
44 Km W of Catanzaro (90612 inhabitants)
91 Km W of Crotone (62178 inhabitants)
95 Km NE of Messina (238439 inhabitants)
100 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
Reviewed
Rev100 		ML 1.4 2020-10-30
03:00:06		 38.9357 16.0932 10 2020-10-30
03:05:27		 Sala Sismica INGV-Roma 84249861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-30 03:00:06 ± 0.17
Latitude 38.9357 ± 0.0063
Longitude 16.0932 ± 0.0104
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84249861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 849
Semi-minor axis of confidence ellipse (meter) 500
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 92
Circular confidence region, given by single value of horizontal uncertainty (meter) 850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.09982
Epicentral distance of station farthest from the epicenter (degree) 0.60255
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 84249861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-30 03:05:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CELI.HHZ. 2020-10-30T03:00:26.45 0.6 undecidable manual S 34 62.9925 50 0.2 44
IV.PLAC.HHZ. 2020-10-30T03:00:26.36 0.6 undecidable manual S 151 61.6938 50 0.45 42
IV.SERS.HHZ. 2020-10-30T03:00:23.52 0.6 undecidable manual S 78 52.503 50 0.05 47
XK.SELL.HHZ. 2020-10-30T03:00:22.10 0.3 undecidable manual S 83 46.4202 50 0.26 68
IV.JOPP.HHZ. 2020-10-30T03:00:19.86 0.6 undecidable manual S 206 40.626 50 -0.44 44
IV.PLAC.HHZ. 2020-10-30T03:00:18.24 1.0 undecidable manual P 151 61.6938 50 0.46 21
IV.CELI.HHZ. 2020-10-30T03:00:18.49 1.0 undecidable manual P 34 62.9925 50 0.51 21
IV.CAR1.HHZ. 2020-10-30T03:00:18.69 0.3 undecidable manual S 16 36.6411 50 -0.55 64
IV.CET2.HHZ. 2020-10-30T03:00:18.79 0.1 negative manual P 350 66.8775 50 0.21 88
IV.GRI.EHZ. 2020-10-30T03:00:16.92 0.3 undecidable manual S 114 30.9468 50 -0.78 59
IV.SERS.HHZ. 2020-10-30T03:00:16.62 0.6 positive manual P 78 52.503 50 0.25 45
XK.ALB1.HHZ. 2020-10-30T03:00:15.41 0.6 negative manual P 77 44.5221 50 0.26 45
IV.SPS2.HHZ. 2020-10-30T03:00:15.40 1.0 negative manual P 28 44.7219 50 0.23 23
XK.SELL.HHZ. 2020-10-30T03:00:15.62 1.0 negative manual P 83 46.4202 50 0.19 23
IV.JOPP.HHZ. 2020-10-30T03:00:14.66 1.0 positive manual P 206 40.626 50 0.12 24
IV.GRI.EHZ. 2020-10-30T03:00:13.07 0.1 negative manual P 114 30.9468 50 0.03 97
IV.CAR1.HHZ. 2020-10-30T03:00:13.60 1.0 undecidable manual P 16 36.6411 50 -0.33 23
XK.GIZZ.HHZ. 2020-10-30T03:00:11.60 0.6 undecidable manual S 64 11.0778 131 -0.18 49
XK.GIZZ.HHZ. 2020-10-30T03:00:09.56 0.1 negative manual P 64 11.0778 131 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GRI.EHN. ML:1.4 0.0001175 0.42 AML other m 2020-10-30T03:00:17.53
IV.GRI.EHE. ML:1.3 0.00010135 0.9 AML other m 2020-10-30T03:00:18.57
IV.JOPP.HHE. ML:1.5 0.0000994 0.14 AML other m 2020-10-30T03:00:20.08
IV.JOPP.HHN. ML:1.6 0.0001359 0.2 AML other m 2020-10-30T03:00:20.19
IV.CAR1.HHE. ML:1.5 0.0001115 1.32 AML other m 2020-10-30T03:00:20.87
IV.CAR1.HHN. ML:1.5 0.0001197 0.36 AML other m 2020-10-30T03:00:21.28
IV.SPS2.HHN. ML:0.7 0.00001615 0.9 AML other m 2020-10-30T03:00:22.37
IV.SPS2.HHE. ML:0.9 0.00002355 0.42 AML other m 2020-10-30T03:00:25.08
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