Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 03-03-2021 and time 11:58:40 (UTC) in region Costa Calabra nord occidentale (Cosenza)

A magnitude ML 1.0 earthquake occured in region: Costa Calabra nord occidentale (Cosenza), on

  • 03-03-2021 11:58:40 (UTC)
  • 03-03-2021 12:58:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.0840, 16.0840 at 11 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
Serra d'Aiello CS 4 458 458
Amantea CS 6 13975 14433
San Pietro in Amantea CS 7 505 14938
Cleto CS 8 1301 16239
Aiello Calabro CS 8 1729 17968
Nocera Terinese CZ 9 4731 22699
Belmonte Calabro CS 9 2003 24702
San Mango d'Aquino CZ 10 1564 26266
Lago CS 11 2624 28890
Falerna CZ 12 4028 32918
Martirano Lombardo CZ 13 1112 34030
Longobardi CS 14 2312 36342
Martirano CZ 14 884 37226
Grimaldi CS 15 1680 38906
Altilia CS 16 711 39617
Gizzeria CZ 16 4982 44599
Malito CS 17 783 45382
Fiumefreddo Bruzio CS 17 2994 48376
Conflenti CZ 17 1392 49768
Motta Santa Lucia CZ 18 845 50613
Domanico CS 18 943 51556
Pedivigliano CS 19 831 52387

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of Lamezia Terme (70714 inhabitants)
28 Km SW of Cosenza (67546 inhabitants)
48 Km W of Catanzaro (90612 inhabitants)
90 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 1.0 2021-03-03
11:58:40		 39.0838 16.0835 11 2021-07-12
16:55:07		 Bollettino Sismico Italiano INGV 89359281
Reviewed
Rev100 		ML 0.9 2021-03-03
11:58:40		 39.106 16.0842 9 2021-03-03
12:06:24		 Sala Sismica INGV-Roma 87662901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-03 11:58:40 ± 0.14
Latitude 39.0838 ± 0.0081
Longitude 16.0835 ± 0.0116
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89359281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1038
Semi-minor axis of confidence ellipse (meter) 678
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 222
Circular confidence region, given by single value of horizontal uncertainty (meter) 1040.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 189
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.69158
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 89359281
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-22 13:13:55

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 87662901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-03 12:06:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MILN.HHZ. 2021-03-03T12:00:43.09 3.0 negative manual Pn 3.75 0
OX.SABO.HNZ. 2021-03-03T12:00:39.93 3.0 undecidable manual Pg 15.04 0
IV.ZEN8.EHZ. 2021-03-03T12:00:36.05 3.0 undecidable manual Pn 3.81 0
MN.PDG.HHZ. 2021-03-03T12:00:33.88 3.0 undecidable manual Sn 1.64 0
IV.FIU.EHZ. 2021-03-03T12:00:32.91 3.0 positive manual Pg 16.18 0
IV.STAL.HNZ. 2021-03-03T12:00:31.99 3.0 undecidable manual Pn 0.77 0
IV.GAVE.EHZ. 2021-03-03T11:59:58.15 3.0 undecidable manual Pg 11.39 0
MN.PDG.HHZ. 2021-03-03T11:59:55.89 3.0 undecidable manual Pg 12.56 0
IV.MTMR.EHZ. 2021-03-03T11:59:42.05 3.0 undecidable manual Sg 0.76 0
IV.LRP.EHZ. 2021-03-03T11:59:41.48 3.0 positive manual Pg 10.44 0
IV.LPEL.HHZ. 2021-03-03T11:59:39.67 3.0 undecidable manual Pg 7.34 0
IV.ESCV.HHZ. 2021-03-03T11:59:33.41 3.0 undecidable manual Sg -0.76 0
IV.EFIU.HHZ. 2021-03-03T11:59:29.45 3.0 undecidable manual S 0.26 0
IV.MGR.HHZ. 2021-03-03T11:59:03.63 3.0 undecidable manual P 1.05 0
MN.TIP.HHZ. 2021-03-03T11:58:59.33 0.6 undecidable manual S 79 58.9965 50 0.79 37
IV.CELI.HHZ. 2021-03-03T11:58:56.08 0.6 undecidable manual S 46 50.8158 50 -0.28 44
IV.SERS.HHZ. 2021-03-03T11:58:56.65 0.6 undecidable manual S 96 52.4031 50 -0.12 46
IV.CET2.HHZ. 2021-03-03T11:58:55.82 0.6 undecidable manual S 347 50.616 50 -0.47 43
IV.GRIS.HNE. 2021-03-03T11:58:53.84 0.3 undecidable manual P 345 75.4689 50 0.48 61
IV.PLAC.HHE. 2021-03-03T11:58:53.46 0.3 undecidable manual P 156 76.7676 50 -0.1 66
IV.SPS2.HHZ. 2021-03-03T11:58:51.15 0.6 undecidable manual S 44 31.746 50 -0.12 48
MN.TIP.HHZ. 2021-03-03T11:58:51.01 0.3 undecidable manual P 79 58.9965 50 0.18 67
IV.SERS.HHZ. 2021-03-03T11:58:49.68 0.3 undecidable manual P 96 52.4031 50 -0.13 69
IV.SELL.HHZ. 2021-03-03T11:58:49.39 0.3 undecidable manual P 103 48.2184 50 0.23 68
IV.CELI.HHZ. 2021-03-03T11:58:49.40 0.1 undecidable manual P 46 50.8158 50 -0.17 91
IV.CET2.HHZ. 2021-03-03T11:58:49.66 0.1 undecidable manual P 347 50.616 50 0.13 92
IV.GRI.EHE. 2021-03-03T11:58:47.86 0.3 undecidable manual P 135 41.0256 50 -0.2 69
IV.GIZZ.HHZ. 2021-03-03T11:58:46.82 0.6 undecidable manual S 137 15.7731 125 -0.11 49
IV.SPS2.HHZ. 2021-03-03T11:58:46.55 0.1 undecidable manual P 44 31.746 50 -0.08 96
IV.GIZZ.HHZ. 2021-03-03T11:58:44.14 0.1 positive manual P 137 15.7731 125 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SPS2.HHE. ML:1.1 0.00005595 0.54 AML other m 2021-03-03T11:58:51.64
IV.SPS2.HHN. ML:0.9 0.0000357 0.18 AML other m 2021-03-03T11:58:51.85
IV.SERS.HHE. ML:1.2 0.000039312085 1.4208 AML other m 2021-03-03T11:58:54.11
IV.CELI.HHN. ML:0.8 0.000013561495 1.104 AML other m 2021-03-03T11:58:55.44
IV.CELI.HHE. ML:0.6 0.000010338659999999999 0.9824 AML other m 2021-03-03T11:58:56.91
IV.SERS.HHN. ML:0.8 0.0000142070835 0.32 AML other m 2021-03-03T11:58:56.80
IV.CET2.HHE. ML:1.5 0.0000756 1.58 AML other m 2021-03-03T11:58:57.86
IV.CET2.HHN. ML:1.6 0.00010850000000000001 1.1 AML other m 2021-03-03T11:58:58.81
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