Earthquake with magnitude of ML 1.7 on date 23-11-2020 and time 16:25:35 (UTC) 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

  • 23-11-2020 16:25:35 (UTC)
  • 23-11-2020 17:25:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.93, 16.08 at 9 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 12 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
21 Km W of Lamezia Terme (70714 inhabitants)
43 Km SW of Cosenza (67546 inhabitants)
44 Km W of Catanzaro (90612 inhabitants)
92 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 1.7 2020-11-23
16:25:35
38.93 16.08 9 2021-02-26
14:56:07
Bollettino Sismico Italiano INGV 84979961
Reviewed
Rev100
ML 1.7 2020-11-23
16:25:35
38.92 16.09 8 2020-11-23
16:42:25
Sala Sismica INGV-Roma 84968581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-23 16:25:35 ± 0.17
Latitude 38.93 ± 0.01
Longitude 16.08 ± 0.01
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84979961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 725
Semi-minor axis of confidence ellipse (meter) 583
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 102
Circular confidence region, given by single value of horizontal uncertainty (meter) 720
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.82648
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 84979961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-01 00:25:55

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 84968581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-23 16:42:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.BRSN.EHZ. 2020-11-23T16:27:25.20 3.0 undecidable manual Pg 17.58 0
IV.ERC.EHZ. 2020-11-23T16:26:58.04 3.0 undecidable manual Sg 0.94 0
IV.COR1.EHZ. 2020-11-23T16:26:53.49 3.0 undecidable manual Pn -1.92 0
IV.NARO.HHZ. 2020-11-23T16:26:50.38 3.0 undecidable manual Pn -6.75 0
IV.LNSS.HHZ. 2020-11-23T16:26:42.22 3.0 undecidable manual Pn -0.66 0
IV.ACATE.EHZ. 2020-11-23T16:26:37.65 3.0 undecidable manual Sn -3.46 0
IV.RCAV.EHZ. 2020-11-23T16:26:27.91 3.0 undecidable manual Pn -7.08 0
IV.GRIS.EHE. 2020-11-23T16:26:03.13 1.0 undecidable manual S 348 0.8265 50 -0.01 23
MN.CEL.HHE. 2020-11-23T16:25:58.57 0.6 undecidable manual S 193 0.688 50 -0.46 43
MN.TIP.HHZ. 2020-11-23T16:25:56.17 0.6 undecidable manual S 65 0.5783 50 0.41 44
IV.CET2.HHZ. 2020-11-23T16:25:56.29 0.6 undecidable manual S 350 0.6043 50 -0.25 45
IV.CELI.HHZ. 2020-11-23T16:25:55.63 0.6 undecidable manual S 35 0.5729 50 0 48
IV.FERC.HNN. 2020-11-23T16:25:53.70 0.6 undecidable manual S 176 0.4811 50 0.81 39
IV.SERS.HHZ. 2020-11-23T16:25:52.66 0.6 undecidable manual S 77 0.4802 50 -0.21 47
XK.SELL.HHZ. 2020-11-23T16:25:51.23 0.6 undecidable manual S 83 0.4254 50 -0.01 49
IV.GRIS.EHE. 2020-11-23T16:25:51.61 0.3 undecidable manual P 348 0.8265 50 0.05 68
IV.LADO.EHE. 2020-11-23T16:25:51.91 0.3 undecidable manual P 63 0.7779 50 1.19 46
IV.TDS.HHZ. 2020-11-23T16:25:50.01 0.6 undecidable manual P 15 0.7527 50 -0.28 44
IV.SPS2.HHZ. 2020-11-23T16:25:50.84 1.0 undecidable manual S 29 0.4092 50 0.09 24
MN.CEL.HHE. 2020-11-23T16:25:49.70 0.3 undecidable manual P 193 0.688 50 0.51 63
IV.JOPP.HHZ. 2020-11-23T16:25:48.50 0.3 undecidable manual S 206 0.3606 50 -0.83 59
IV.CET2.HHZ. 2020-11-23T16:25:47.73 0.1 undecidable manual P 350 0.6043 50 -0.02 95
IV.CELI.HHZ. 2020-11-23T16:25:47.28 0.3 undecidable manual P 35 0.5729 50 0.06 71
MN.TIP.HHZ. 2020-11-23T16:25:47.46 0.6 undecidable manual P 65 0.5783 50 0.16 46
IV.FERC.HNN. 2020-11-23T16:25:46.40 0.3 undecidable manual P 176 0.4811 50 0.76 60
IV.SERS.HHZ. 2020-11-23T16:25:45.52 0.3 undecidable manual P 77 0.4802 50 -0.11 72
IV.GRI.EHZ. 2020-11-23T16:25:45.93 0.6 undecidable manual S 113 0.2833 50 -1.11 35
IV.SPS2.HHZ. 2020-11-23T16:25:44.26 0.1 undecidable manual P 29 0.4092 50 -0.15 96
XK.SELL.HHZ. 2020-11-23T16:25:44.87 0.3 undecidable manual P 83 0.4254 50 0.18 72
IV.JOPP.HHZ. 2020-11-23T16:25:43.57 0.1 undecidable manual P 206 0.3606 50 -0.01 100
IV.GRI.EHZ. 2020-11-23T16:25:42.06 0.1 undecidable manual P 113 0.2833 50 -0.2 98
XK.GIZZ.HHE. 2020-11-23T16:25:40.72 0.3 undecidable manual S 64 0.107 128 -0.2 76
XK.GIZZ.HHE. 2020-11-23T16:25:38.63 0.3 undecidable manual P 64 0.107 128 -0.1 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GRI.EHE. ML:1.7 0.0002345 0.28 AML other m 2020-11-23T16:25:46.14
IV.GRI.EHN. ML:1.8 0.000329 0.44 AML other m 2020-11-23T16:25:47.59
IV.JOPP.HHE. ML:2 0.000369 0.12 AML other m 2020-11-23T16:25:49.01
IV.JOPP.HHN. ML:2.2 0.000537 0.16 AML other m 2020-11-23T16:25:49.23
IV.SPS2.HHN. ML:1.3 5.98E-5 0.42 AML other m 2020-11-23T16:25:51.04
IV.SPS2.HHE. ML:1.4 7.57E-5 0.4 AML other m 2020-11-23T16:25:51.98
IV.SERS.HHN. ML:1.3 4.535E-5 0.54 AML other m 2020-11-23T16:25:53.39
IV.CELI.HHN. ML:1.7 0.0001025 0.28 AML other m 2020-11-23T16:25:58.85
IV.CELI.HHE. ML:1.4 4.61E-5 1.02 AML other m 2020-11-23T16:25:59.66
IV.SERS.HHE. ML:1.4 6.015E-5 1.54 AML other m 2020-11-23T16:25:59.81
IV.CET2.HHE. ML:2.1 0.000219 0.66 AML other m 2020-11-23T16:25:59.48
IV.CET2.HHN. ML:2.3 0.0003275 0.92 AML other m 2020-11-23T16:26:00.44
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download