Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 03-03-2021 and time 11:58:40 (UTC) in region 3 km S Amantea (CS)

A magnitude ML 0.9 earthquake occured in region: 3 km S Amantea (CS), on

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

and geographic coordinates (lat, lon) 39.11, 16.08 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Amantea CS 3 13975 13975
Serra d'Aiello CS 4 458 14433
San Pietro in Amantea CS 4 505 14938
Belmonte Calabro CS 6 2003 16941
Cleto CS 7 1301 18242
Aiello Calabro CS 7 1729 19971
Lago CS 9 2624 22595
Nocera Terinese CZ 10 4731 27326
San Mango d'Aquino CZ 10 1564 28890
Longobardi CS 11 2312 31202
Martirano Lombardo CZ 13 1112 32314
Falerna CZ 14 4028 36342
Grimaldi CS 14 1680 38022
Martirano CZ 14 884 38906
Fiumefreddo Bruzio CS 15 2994 41900
Altilia CS 15 711 42611
Malito CS 15 783 43394
Domanico CS 16 943 44337
Gizzeria CZ 18 4982 49319
Conflenti CZ 18 1392 50711
Motta Santa Lucia CZ 18 845 51556
Falconara Albanese CS 19 1427 52983
Pedivigliano CS 19 831 53814
Belsito CS 19 923 54737
Scigliano CS 19 1226 55963
Carpanzano CS 20 255 56218
Mendicino CS 20 9450 65668

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NW of Lamezia Terme (70714 inhabitants)
26 Km SW of Cosenza (67546 inhabitants)
49 Km W of Catanzaro (90612 inhabitants)
90 Km W of Crotone (62178 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100 		ML 0.9 2021-03-03
11:58:40		 39.11 16.08 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 ± 0.19
Latitude 39.11 ± 0.01
Longitude 16.08 ± 0.02
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87662901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1492
Semi-minor axis of confidence ellipse (meter) 891
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 221
Circular confidence region, given by single value of horizontal uncertainty (meter) 1490
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 204
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.5279
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 7
Magnitude information

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 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 82 0.5279 50 0.5 42
IV.CELI.HHZ. 2021-03-03T11:58:56.08 0.6 undecidable manual S 48 0.4425 50 -0.23 45
IV.SERS.HHZ. 2021-03-03T11:58:56.70 0.6 undecidable manual S 98 0.4739 50 -0.54 43
IV.CET2.HHZ. 2021-03-03T11:58:55.63 0.6 undecidable manual S 347 0.4344 50 -0.43 44
MN.TIP.HHZ. 2021-03-03T11:58:51.41 1.0 negative manual P 82 0.5279 50 0.46 21
IV.SPS2.HHZ. 2021-03-03T11:58:51.39 0.6 undecidable manual S 47 0.2707 106 0.35 47
IV.CELI.HHZ. 2021-03-03T11:58:49.49 1.0 undecidable manual P 48 0.4425 50 -0.01 24
IV.CET2.HHZ. 2021-03-03T11:58:49.68 0.6 negative manual P 347 0.4344 50 0.32 44
IV.SERS.HHZ. 2021-03-03T11:58:49.73 1.0 undecidable manual P 98 0.4739 50 -0.31 22
IV.GRI.EHE. 2021-03-03T11:58:48.62 0.1 undecidable manual P 137 0.3858 50 0.1 93
IV.SPS2.HHZ. 2021-03-03T11:58:46.59 0.6 negative manual P 47 0.2707 106 0.13 49
IV.GIZZ.HHZ. 2021-03-03T11:58:46.82 0.6 undecidable manual S 143 0.1583 116 -0.18 48
IV.GIZZ.HHZ. 2021-03-03T11:58:44.14 0.1 positive manual P 143 0.1583 116 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SPS2.HHE. ML:1 5.595E-5 0.54 AML other m 2021-03-03T11:58:51.64
IV.SPS2.HHN. ML:0.8 3.57E-5 0.18 AML other m 2021-03-03T11:58:51.85
IV.CET2.HHE. ML:1.4 7.56E-5 1.58 AML other m 2021-03-03T11:58:57.86
IV.CET2.HHN. ML:1.6 0.0001085 1.1 AML other m 2021-03-03T11:58:58.81
IV.CELI.HHE. ML:0.6 1.033866E-5 1.0176 AML other m 2021-03-03T11:58:55.91
IV.CELI.HHN. ML:0.8 1.3561495E-5 0.896 AML other m 2021-03-03T11:58:56.44
IV.SERS.HHE. ML:1.2 3.9312085E-5 5.4208 AML other m 2021-03-03T11:58:54.11
IV.SERS.HHN. ML:0.8 1.42070835E-5 0.32 AML other m 2021-03-03T11:58:56.80
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download