Earthquake with magnitude of ML 1.0 on date 04-11-2020 and time 20:49:04 (UTC) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 1.0 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 04-11-2020 20:49:04 (UTC)
  • 04-11-2020 21:49:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.9380, 16.0690 at 8 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
Falerna CZ 11 4028 4028
Gizzeria CZ 13 4982 9010
Nocera Terinese CZ 14 4731 13741
San Mango d'Aquino CZ 17 1564 15305
Serra d'Aiello CS 18 458 15763

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km W of Lamezia Terme (70714 inhabitants)
43 Km SW of Cosenza (67546 inhabitants)
46 Km W of Catanzaro (90612 inhabitants)
93 Km W of Crotone (62178 inhabitants)
94 Km NE of Messina (238439 inhabitants)
99 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 1.0 2020-11-04
20:49:04
38.9375 16.0687 8 2021-02-26
14:56:16
Bollettino Sismico Italiano INGV 86549671
Reviewed
Rev100
ML 1.0 2020-11-04
20:49:04
38.9437 16.073 8 2020-11-04
20:54:54
Sala Sismica INGV-Roma 84455201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-04 20:49:04 ± 0.19
Latitude 38.9375 ± 0.0063
Longitude 16.0687 ± 0.0104
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86549671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 831
Semi-minor axis of confidence ellipse (meter) 453
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 100
Circular confidence region, given by single value of horizontal uncertainty (meter) 830.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
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) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.11601
Epicentral distance of station farthest from the epicenter (degree) 0.59715
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 86549671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-25 04:09:57

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 84455201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-04 20:54:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CET2.HHZ. 2020-11-04T20:49:25.31 0.3 undecidable manual S 352 66.2781 50 -0.04 74
MN.TIP.HHN. 2020-11-04T20:49:25.40 0.6 undecidable manual S 65 65.1903 50 0.35 47
IV.CELI.HHE. 2020-11-04T20:49:25.49 0.6 undecidable manual S 36 63.9915 50 0.76 41
IV.PLAC.HHZ. 2020-11-04T20:49:24.77 0.3 undecidable manual S 149 62.8926 50 0.33 70
IV.SERS.HNN. 2020-11-04T20:49:21.45 0.6 undecidable manual S 78 54.6009 50 -0.76 41
XK.SELL.HHZ. 2020-11-04T20:49:20.32 0.3 undecidable manual S 84 48.5181 50 -0.28 73
IV.JOPP.HHZ. 2020-11-04T20:49:17.68 0.3 undecidable manual S 203 39.9267 50 -0.64 67
MN.TIP.HHN. 2020-11-04T20:49:16.88 0.3 undecidable manual P 65 65.1903 50 0.53 67
IV.CELI.HHE. 2020-11-04T20:49:16.40 0.3 undecidable manual P 36 63.9915 50 0.22 72
IV.PLAC.HHZ. 2020-11-04T20:49:16.23 0.3 undecidable manual P 149 62.8926 50 0.22 72
IV.CET2.HHZ. 2020-11-04T20:49:16.80 0.3 undecidable manual P 352 66.2781 50 0.27 71
IV.CAR1.HHZ. 2020-11-04T20:49:16.83 0.3 undecidable manual S 19 37.1295 50 -0.74 65
IV.SERS.HNN. 2020-11-04T20:49:14.70 0.3 undecidable manual P 78 54.6009 50 -0.01 76
XK.SELL.HHZ. 2020-11-04T20:49:13.94 0.1 undecidable manual P 84 48.5181 50 0.15 100
IV.JOPP.HHZ. 2020-11-04T20:49:12.60 0.3 undecidable manual P 203 39.9267 50 0.13 76
IV.GRI.EHZ. 2020-11-04T20:49:11.12 0.3 undecidable manual P 113 32.9448 103 -0.14 77
IV.CAR1.HHZ. 2020-11-04T20:49:11.95 0.3 undecidable manual P 19 37.1295 50 -0.08 78
XK.GIZZ.HHZ. 2020-11-04T20:49:09.42 0.3 undecidable manual S 69 12.876 121 -0.29 78
XK.GIZZ.HHZ. 2020-11-04T20:49:07.59 0.3 undecidable manual P 69 12.876 121 0.1 81
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GRI.EHE. ML:0.8 0.000030988545 0.3072 AML other m 2020-11-04T20:49:16.65
IV.GRI.EHN. ML:1.0 0.00004380365 0.1792 AML other m 2020-11-04T20:49:16.61
IV.CAR1.HHE. ML:1.0 0.00003911909 0.1664 AML other m 2020-11-04T20:49:18.29
IV.JOPP.HHE. ML:1.1 0.00004671884 0.128 AML other m 2020-11-04T20:49:18.14
IV.JOPP.HHN. ML:1.2 0.000057880625000000005 0.2432 AML other m 2020-11-04T20:49:18.16
IV.CAR1.HHN. ML:1.1 0.00004780782 0.3584 AML other m 2020-11-04T20:49:19.35
IV.PLAC.HHE. ML:0.9 0.000013846936000000001 0.32 AML other m 2020-11-04T20:49:26.24
IV.CET2.HHE. ML:1.0 0.00002146599 0.1664 AML other m 2020-11-04T20:49:28.32
IV.CET2.HHN. ML:1.2 0.00002977157 0.3328 AML other m 2020-11-04T20:49:29.42
IV.PLAC.HHN. ML:0.9 0.000013358179 1.4368 AML other m 2020-11-04T20:49:31.84
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