Earthquake with magnitude of ML 2.3 on date 07-04-2021 and time 20:00:45 (Italy) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 2.3 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 07-04-2021 18:00:45 (UTC)
  • 07-04-2021 20:00:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.8090, 15.6740 at 102 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
59 Km W of Lamezia Terme (70714 inhabitants)
69 Km N of Messina (238439 inhabitants)
74 Km SW of Cosenza (67546 inhabitants)
78 Km N of Reggio di Calabria (183035 inhabitants)
81 Km W of Catanzaro (90612 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 2.3 2021-04-07
18:00:45
38.8092 15.6743 102 2021-07-12
16:55:11
Bollettino Sismico Italiano INGV 90194861
Reviewed
Rev100
ML 2.3 2021-04-07
18:00:44
38.8023 15.7083 106 2021-04-07
18:12:18
Sala Sismica INGV-Roma 88893251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-07 18:00:45 ± 0.17
Latitude 38.8092 ± 0.0081
Longitude 15.6743 ± 0.0162
Depth (km) 102 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90194861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1516
Semi-minor axis of confidence ellipse (meter) 334
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 120
Circular confidence region, given by single value of horizontal uncertainty (meter) 1520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 167
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.26080
Epicentral distance of station farthest from the epicenter (degree) 1.11336
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 90194861
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-25 11:45:23

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 88893251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-07 18:12:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CELI.HHE. 2021-04-07T18:01:20.41 0.6 undecidable manual S 47 97.4247 132 1.05 33
IV.GRIS.EHE. 2021-04-07T18:01:20.40 0.3 undecidable manual S 8 104.4177 130 -0.11 66
IV.CET2.HHZ. 2021-04-07T18:01:17.30 0.3 undecidable manual S 17 83.3499 137 0.11 69
IV.SPS2.HHZ. 2021-04-07T18:01:16.43 0.3 undecidable manual S 47 78.366 138 -0.02 70
IV.PLAC.HHE. 2021-04-07T18:01:16.60 0.6 undecidable manual S 121 77.2671 139 0.3 45
IV.MPNC.HHZ. 2021-04-07T18:01:16.59 0.3 undecidable manual S 201 78.6657 138 0.09 69
IV.MSRU.HHZ. 2021-04-07T18:01:14.54 0.3 undecidable manual S 193 62.1933 145 0.24 69
IV.GIZZ.HHZ. 2021-04-07T18:01:12.55 0.3 undecidable manual S 67 49.8168 151 -0.34 69
IV.JOPP.HHZ. 2021-04-07T18:01:10.84 0.3 undecidable manual S 141 28.9488 162 -0.28 73
IV.PIPA.HHZ. 2021-04-07T18:01:07.61 0.3 undecidable manual P 52 123.5874 124 0.01 65
IV.GRIS.EHE. 2021-04-07T18:01:05.75 0.1 undecidable manual P 8 104.4177 130 0.06 89
IV.CELI.HHE. 2021-04-07T18:01:05.27 0.1 undecidable manual P 47 97.4247 132 0.24 87
IV.SELL.HHZ. 2021-04-07T18:01:04.03 0.1 undecidable manual P 77 84.5487 136 0.16 91
IV.CET2.HHZ. 2021-04-07T18:01:03.71 0.1 undecidable manual P 17 83.3499 137 -0.06 92
IV.SPS2.HHZ. 2021-04-07T18:01:03.16 0.1 undecidable manual P 47 78.366 138 -0.19 91
IV.PLAC.HHE. 2021-04-07T18:01:03.07 0.1 undecidable manual P 121 77.2671 139 -0.19 91
IV.MPNC.HHZ. 2021-04-07T18:01:03.34 0.1 undecidable manual P 201 78.6657 138 -0.04 94
IV.GIZZ.HHZ. 2021-04-07T18:01:01.12 0.1 undecidable manual P 67 49.8168 151 -0.17 96
IV.MSRU.HHZ. 2021-04-07T18:01:01.92 0.1 undecidable manual P 193 62.1933 145 -0.18 94
IV.JOPP.HHZ. 2021-04-07T18:01:00.42 0.1 undecidable manual P 141 28.9488 162 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CELI.HNN. ML:2.2 0.000099687705 0.0064 AML other m 2021-04-07T18:01:06.34
IV.CELI.HNE. ML:2.2 0.00009925311 0.3232 AML other m 2021-04-07T18:01:08.29
IV.JOPP.HHN. ML:2.3 0.0001910595 0.0032 AML other m 2021-04-07T18:01:10.90
IV.JOPP.HHE. ML:2.1 0.00012429303 0.1024 AML other m 2021-04-07T18:01:12.72
IV.MSRU.HHE. ML:2.3 0.00015263955 1.9968 AML other m 2021-04-07T18:01:16.22
IV.CELI.HHE. ML:2.1 0.00007552875000000001 0.5472 AML other m 2021-04-07T18:01:15.28
IV.MSRU.HHN. ML:2.5 0.00024030485 1.28 AML other m 2021-04-07T18:01:15.30
IV.SPS2.HHN. ML:1.8 0.00004105 1.36 AML other m 2021-04-07T18:01:17.95
IV.MPNC.HHE. ML:2.4 0.0001610871 0.4864 AML other m 2021-04-07T18:01:17.56
IV.CET2.HHE. ML:2.4 0.0001779424 0.1152 AML other m 2021-04-07T18:01:17.76
IV.MPNC.HHN. ML:2.3 0.00013371861 0.4992 AML other m 2021-04-07T18:01:17.74
IV.SPS2.HHE. ML:1.8 0.000045249999999999995 0.74 AML other m 2021-04-07T18:01:18.10
IV.CET2.HHN. ML:2.7 0.00030375555 0.2816 AML other m 2021-04-07T18:01:18.71
IV.CELI.HHN. ML:2.1 0.00006314056 0.4064 AML other m 2021-04-07T18:01:41.23
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
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