Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 29-05-2021 and time 03:31:46 (Italy) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 1.2 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 29-05-2021 01:31:46 (UTC)
  • 29-05-2021 03:31:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.8290, 16.1540 at 7 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
Pizzo VV 10 9278 9278
Francavilla Angitola VV 12 1939 11217
Filadelfia VV 13 5384 16601
Maierato VV 14 2188 18789
Curinga CZ 14 6779 25568
Sant'Onofrio VV 15 3067 28635
Briatico VV 16 4053 32688
Polia VV 16 1023 33711
Monterosso Calabro VV 17 1729 35440
Stefanaconi VV 17 2494 37934
San Pietro a Maida CZ 17 4200 42134
Gizzeria CZ 17 4982 47116
Vibo Valentia VV 18 33941 81057
Filogaso VV 18 1417 82474
Maida CZ 19 4566 87040
Capistrano VV 19 1042 88082
Falerna CZ 19 4028 92110
Jacurso CZ 20 624 92734

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km SW of Lamezia Terme (70714 inhabitants)
39 Km W of Catanzaro (90612 inhabitants)
53 Km S of Cosenza (67546 inhabitants)
88 Km NE of Messina (238439 inhabitants)
89 Km W of Crotone (62178 inhabitants)
91 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 1.2 2021-05-29
01:31:46		 38.8292 16.1537 7 2021-12-29
11:12:02		 Bollettino Sismico Italiano INGV 90681031
Reviewed
Rev100 		ML 1.2 2021-05-29
01:31:46		 38.8328 16.1553 9 2021-05-29
01:38:03		 Sala Sismica INGV-Roma 90586901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-29 01:31:46 ± 0.1
Latitude 38.8292 ± 0.0054
Longitude 16.1537 ± 0.0081
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90681031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 647
Semi-minor axis of confidence ellipse (meter) 373
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 306
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
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) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.15648
Epicentral distance of station farthest from the epicenter (degree) 0.75723
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 90681031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-12 10:09:34

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 90586901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-29 01:38:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TIP.HHN. 2021-05-29T01:32:06.05 0.6 undecidable manual S 53 64.9905 50 -0.67 40
IV.SERS.HHE. 2021-05-29T01:32:03.45 0.6 undecidable manual S 63 51.5151 50 0.32 46
IV.PLAC.HHE. 2021-05-29T01:32:02.49 0.6 undecidable manual S 150 48.8178 50 0.09 49
IV.MSRU.HHE. 2021-05-29T01:32:01.38 0.3 undecidable manual P 222 84.0492 50 0.47 63
IV.CET2.HHZ. 2021-05-29T01:32:00.29 0.3 undecidable manual P 348 79.4649 50 0.09 69
IV.SELL.HHZ. 2021-05-29T01:32:00.57 0.6 undecidable manual S 67 44.3223 50 -0.64 43
MN.TIP.HHN. 2021-05-29T01:31:58.43 0.3 undecidable manual P 53 64.9905 50 0.46 65
IV.CELI.HHE. 2021-05-29T01:31:58.78 0.3 undecidable manual P 26 70.5738 50 -0.05 71
MN.CEL.HHE. 2021-05-29T01:31:58.47 0.3 undecidable manual P 200 66.9774 50 0.19 69
IV.JOPP.HHZ. 2021-05-29T01:31:57.27 0.6 undecidable manual S 223 33.8439 102 -0.75 41
IV.SPS2.HHZ. 2021-05-29T01:31:56.00 0.3 undecidable manual P 17 53.6019 50 -0.22 70
IV.PLAC.HHE. 2021-05-29T01:31:55.42 0.3 undecidable manual P 150 48.8178 50 -0.05 73
IV.SERS.HHE. 2021-05-29T01:31:55.79 0.1 undecidable manual P 63 51.5151 50 -0.1 96
IV.GRI.EHZ. 2021-05-29T01:31:54.27 0.6 undecidable manual S 92 23.0547 107 -0.1 51
IV.SELL.HHZ. 2021-05-29T01:31:54.81 0.1 undecidable manual P 67 44.3223 50 0.02 99
IV.GIZZ.HHZ. 2021-05-29T01:31:52.36 0.3 undecidable manual S 16 17.3715 112 -0.15 76
IV.JOPP.HHZ. 2021-05-29T01:31:52.83 0.1 undecidable manual P 223 33.8439 102 -0.12 99
IV.GRI.EHZ. 2021-05-29T01:31:51.01 0.1 undecidable manual P 92 23.0547 107 0.17 100
IV.GIZZ.HHZ. 2021-05-29T01:31:50.04 0.1 undecidable manual P 16 17.3715 112 0.28 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GRI.EHN. ML:1.5 0.00019350000000000001 1.66 AML other m 2021-05-29T01:31:54.84
IV.GRI.EHE. ML:1.3 0.00013450000000000002 0.32 AML other m 2021-05-29T01:31:54.70
IV.JOPP.HHE. ML:1.1 0.000051000000000000006 0.64 AML other m 2021-05-29T01:31:57.79
IV.JOPP.HHN. ML:1.3 0.00008055 0.2 AML other m 2021-05-29T01:31:57.64
IV.SELL.HHE. ML:0.2 0.0000048486835 0.38 AML other m 2021-05-29T01:32:03.18
IV.SPS2.HHN. ML:0.6 0.0000088555265 0.3 AML other m 2021-05-29T01:32:03.33
IV.SELL.HHN. ML:0.2 0.00000412415025 0.24 AML other m 2021-05-29T01:32:03.71
IV.SPS2.HHE. ML:0.3 0.000005810536 0.22 AML other m 2021-05-29T01:32:03.73
IV.SELL.HNN. ML:1.4 0.0000860069 0.92 AML other m 2021-05-29T01:32:05.14
IV.SELL.HNE. ML:1.3 0.00006692484 0.6504 AML other m 2021-05-29T01:32:06.95
IV.CET2.HHE. ML:1.2 0.00002326488 1 AML other m 2021-05-29T01:32:11.08
IV.CET2.HHN. ML:1.6 0.000047651565 1.26 AML other m 2021-05-29T01:32:12.17
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