Earthquake with magnitude of ML 1.1 on date 29-03-2021 and time 21:38:21 (UTC) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 1.1 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 29-03-2021 21:38:21 (UTC)
  • 29-03-2021 23:38:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.9190, 15.9370 at 6 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
34 Km W of Lamezia Terme (70714 inhabitants)
50 Km SW of Cosenza (67546 inhabitants)
57 Km W of Catanzaro (90612 inhabitants)
87 Km NE of Messina (238439 inhabitants)
94 Km N 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 1.1 2021-03-29
21:38:21
38.9193 15.9373 6 2021-07-12
16:55:16
Bollettino Sismico Italiano INGV 91709541
Reviewed
Rev100
ML 1.0 2021-03-29
21:38:21
38.9053 15.9475 6 2021-03-29
22:20:37
Sala Sismica INGV-Roma 88599571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-29 21:38:21 ± 0.17
Latitude 38.9193 ± 0.0063
Longitude 15.9373 ± 0.0104
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 91709541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 677
Semi-minor axis of confidence ellipse (meter) 636
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 127
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.88493
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 88599571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-29 22:20:37

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 13
Type of magnitude ML
Reference to an origin 91709541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-22 13:44:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VCRE.HHZ. 2021-03-29T21:39:34.38 3.0 undecidable manual Sg 7.13 0
IV.GRIS.HNE. 2021-03-29T21:38:48.99 0.6 undecidable manual S 355 91.3419 50 -0.68 50
IV.MSRU.HHZ. 2021-03-29T21:38:47.04 0.6 undecidable manual S 207 81.6516 50 -0.04 60
IV.SERS.HHZ. 2021-03-29T21:38:43.07 0.6 undecidable manual S 78 66.0894 50 0.16 60
IV.CET2.HHZ. 2021-03-29T21:38:43.65 0.6 undecidable manual S 1 67.5768 50 0.32 58
IV.PLAC.HHE. 2021-03-29T21:38:43.67 0.6 undecidable manual S 140 67.7766 50 0.29 58
IV.PIPA.HHZ. 2021-03-29T21:38:39.68 0.3 undecidable manual P 50 98.2239 50 0.8 70
IV.GRIS.HNE. 2021-03-29T21:38:38.39 0.3 undecidable manual P 355 91.3419 50 0.56 78
IV.SPS2.HHZ. 2021-03-29T21:38:38.69 0.6 undecidable manual S 40 53.8017 50 -0.95 48
IV.MSRU.HHZ. 2021-03-29T21:38:36.57 0.3 undecidable manual P 207 81.6516 50 0.23 86
IV.CET2.HHZ. 2021-03-29T21:38:34.32 0.3 undecidable manual P 1 67.5768 50 0.15 90
IV.PLAC.HHE. 2021-03-29T21:38:34.26 0.3 undecidable manual P 140 67.7766 50 0.05 92
IV.CELI.HHE. 2021-03-29T21:38:34.50 0.3 undecidable manual P 42 72.7716 50 -0.46 84
IV.IST3.HHE. 2021-03-29T21:38:33.51 0.3 undecidable manual P 258 62.493 50 0.12 92
IV.JOPP.HHZ. 2021-03-29T21:38:33.43 0.6 undecidable manual S 187 34.9428 100 -0.53 59
IV.SERS.HHZ. 2021-03-29T21:38:33.77 0.3 undecidable manual P 78 66.0894 50 -0.16 90
IV.SPS2.HHZ. 2021-03-29T21:38:31.60 0.3 undecidable manual P 40 53.8017 50 -0.44 87
IV.GRI.EHZ. 2021-03-29T21:38:30.36 0.3 undecidable manual P 104 43.0236 98 -0.01 97
IV.GIZZ.HHZ. 2021-03-29T21:38:30.59 0.6 undecidable manual S 74 24.2535 104 0.26 64
IV.JOPP.HHZ. 2021-03-29T21:38:28.66 0.3 undecidable manual P 187 34.9428 100 -0.11 97
IV.GIZZ.HHZ. 2021-03-29T21:38:26.70 0.3 undecidable manual P 74 24.2535 104 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHN. ML:1.0 0.000046401705 0.1408 AML other m 2021-03-29T21:38:33.52
IV.JOPP.HHE. ML:0.9 0.00002958085 0.1408 AML other m 2021-03-29T21:38:33.59
IV.GRI.EHN. ML:1.3 0.00005994339 0.3584 AML other m 2021-03-29T21:38:36.83
IV.GRI.EHE. ML:1.0 0.000034718315 0.5376 AML other m 2021-03-29T21:38:36.46
IV.SPS2.HHE. ML:0.9 0.00002155 1.14 AML other m 2021-03-29T21:38:40.15
IV.SERS.HNN. ML:0.7 0.000010638976500000002 0.3584 AML other m 2021-03-29T21:38:43.23
IV.SERS.HHN. ML:0.7 0.0000104288035 0.3584 AML other m 2021-03-29T21:38:43.41
IV.SPS2.HHN. ML:1.1 0.0000316 0.38 AML other m 2021-03-29T21:38:43.36
IV.SERS.HHE. ML:0.7 0.0000090329605 0.2432 AML other m 2021-03-29T21:38:43.49
IV.CET2.HHE. ML:1.8 0.000125 1.34 AML other m 2021-03-29T21:38:45.72
IV.CET2.HHN. ML:2.0 0.00017449999999999999 0.34 AML other m 2021-03-29T21:38:45.30
IV.MSRU.HHN. ML:1.4 0.00003257959 0.2944 AML other m 2021-03-29T21:38:47.33
IV.MSRU.HHE. ML:1.6 0.00005464795999999999 0.2944 AML other m 2021-03-29T21:38:47.60
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