Earthquake with magnitude of ML 1.3 on date 28-03-2021 and time 11:59:49 (Italy) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 1.3 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 28-03-2021 09:59:49 (UTC)
  • 28-03-2021 11:59:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.033, 16.052 at 20 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
Serra d'Aiello CS 9 458 458
Nocera Terinese CZ 10 4731 5189
Falerna CZ 11 4028 9217
Amantea CS 12 13975 23192
San Mango d'Aquino CZ 12 1564 24756
San Pietro in Amantea CS 13 505 25261
Cleto CS 14 1301 26562
Aiello Calabro CS 14 1729 28291
Belmonte Calabro CS 15 2003 30294
Gizzeria CZ 15 4982 35276
Martirano Lombardo CZ 16 1112 36388
Lago CS 17 2624 39012
Martirano CZ 18 884 39896
Longobardi CS 20 2312 42208
Grimaldi CS 20 1680 43888

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of Lamezia Terme (70714 inhabitants)
34 Km SW of Cosenza (67546 inhabitants)
49 Km W of Catanzaro (90612 inhabitants)
93 Km W of Crotone (62178 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 1.3 2021-03-28
09:59:49
39.0327 16.0517 21 2021-07-12
16:55:12
Bollettino Sismico Italiano INGV 90481801
Reviewed
Rev100
ML 1.3 2021-03-28
09:59:49
39.0265 16.0517 22 2021-03-28
10:05:11
Sala Sismica INGV-Roma 88553551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-28 09:59:49 ± 0.15
Latitude 39.0327 ± 0.0063
Longitude 16.0517 ± 0.0139
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90481801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 971
Semi-minor axis of confidence ellipse (meter) 637
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 264
Circular confidence region, given by single value of horizontal uncertainty (meter) 970
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
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) 0.1322
Epicentral distance of station farthest from the epicenter (degree) 0.72395
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:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 90481801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-25 13:56:01

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 88553551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-28 10:05:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.GRIS.HNE. 2021-03-28T10:00:12.62 0.6 undecidable manual S 348 0.724 98 -1.2 32
IV.CELI.HHZ. 2021-03-28T10:00:07.35 0.3 undecidable manual S 44 0.5117 102 -0.28 69
IV.SERS.HHZ. 2021-03-28T10:00:06.99 0.6 undecidable manual S 89 0.4946 103 -0.14 47
IV.CET2.HHZ. 2021-03-28T10:00:06.81 0.3 undecidable manual S 351 0.5018 102 -0.52 66
IV.JOPP.HHZ. 2021-03-28T10:00:05.52 0.6 undecidable manual S 197 0.4452 104 -0.18 48
IV.SELL.HHZ. 2021-03-28T10:00:05.77 0.6 undecidable manual S 96 0.4506 104 -0.08 48
IV.GRIS.HNE. 2021-03-28T10:00:04.63 0.3 undecidable manual P 348 0.724 98 0.99 50
IV.GRI.EHZ. 2021-03-28T10:00:02.61 0.6 undecidable manual S 126 0.3552 109 -0.54 44
IV.PLAC.HHE. 2021-03-28T10:00:02.30 0.3 undecidable manual P 153 0.6565 99 -0.2 68
IV.SPS2.HHZ. 2021-03-28T10:00:02.96 0.6 undecidable manual S 41 0.3408 110 0.22 48
IV.CELI.HHZ. 2021-03-28T10:00:00.10 0.3 undecidable manual P 44 0.5117 102 0.03 72
IV.CET2.HHZ. 2021-03-28T09:59:59.84 0.3 undecidable manual P 351 0.5018 102 -0.05 73
IV.JOPP.HHZ. 2021-03-28T09:59:59.06 0.3 undecidable manual P 197 0.4452 104 0.11 72
IV.SELL.HHZ. 2021-03-28T09:59:59.08 0.3 undecidable manual P 96 0.4506 104 0.04 73
IV.SERS.HHZ. 2021-03-28T09:59:59.73 0.1 undecidable manual P 89 0.4946 103 -0.05 96
IV.SPS2.HHZ. 2021-03-28T09:59:57.69 0.1 positive manual P 41 0.3408 110 0.44 91
IV.GIZZ.HHZ. 2021-03-28T09:59:57.69 0.6 undecidable manual S 114 0.1322 139 0.17 50
IV.GRI.EHZ. 2021-03-28T09:59:57.49 0.1 undecidable manual P 126 0.3552 109 0 100
IV.GIZZ.HHZ. 2021-03-28T09:59:54.60 0.3 undecidable manual P 114 0.1322 139 0.37 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GRI.EHN. ML:1.8 0.0002015 1.5 AML other m 2021-03-28T10:00:03.11
IV.SPS2.HHN. ML:1.3 5.91E-5 0.36 AML other m 2021-03-28T10:00:03.16
IV.SPS2.HHE. ML:1.2 4.865E-5 0.42 AML other m 2021-03-28T10:00:03.39
IV.GRI.EHE. ML:1.7 0.0001435 1.12 AML other m 2021-03-28T10:00:03.89
IV.JOPP.HHN. ML:1.2 4.195E-5 0.54 AML other m 2021-03-28T10:00:06.22
IV.JOPP.HHE. ML:1.1 3.165E-5 0.58 AML other m 2021-03-28T10:00:06.51
IV.SELL.HHN. ML:0.8 1.705E-5 1.48 AML other m 2021-03-28T10:00:06.82
IV.SERS.HHE. ML:1.2 3.39E-5 0.3 AML other m 2021-03-28T10:00:07.09
IV.CET2.HHE. ML:1.5 6.795E-5 0.66 AML other m 2021-03-28T10:00:07.65
IV.SERS.HHN. ML:1.1 2.57E-5 0.78 AML other m 2021-03-28T10:00:08.24
IV.SELL.HHE. ML:1 2.43E-5 0.96 AML other m 2021-03-28T10:00:08.50
IV.CET2.HHN. ML:1.7 0.0001135 1.28 AML other m 2021-03-28T10:00:08.69
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