Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 17-03-2020 and time 02:40:49 (Italy) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 0.7 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 17-03-2020 01:40:49 (UTC)
  • 17-03-2020 02:40:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.0300, 16.0960 at 21 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
Nocera Terinese CZ 6 4731 4731
Falerna CZ 7 4028 8759
Serra d'Aiello CS 7 458 9217
San Mango d'Aquino CZ 9 1564 10781
Gizzeria CZ 11 4982 15763
Cleto CS 12 1301 17064
Aiello Calabro CS 12 1729 18793
Amantea CS 12 13975 32768
San Pietro in Amantea CS 12 505 33273
Martirano Lombardo CZ 13 1112 34385
Martirano CZ 15 884 35269
Belmonte Calabro CS 15 2003 37272
Lago CS 16 2624 39896
Conflenti CZ 17 1392 41288
Grimaldi CS 17 1680 42968
Altilia CS 18 711 43679
Motta Santa Lucia CZ 19 845 44524
Malito CS 20 783 45307
Platania CZ 20 2172 47479
Longobardi CS 20 2312 49791

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km W of Lamezia Terme (70714 inhabitants)
33 Km SW of Cosenza (67546 inhabitants)
45 Km W of Catanzaro (90612 inhabitants)
89 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 0.7 2020-03-17
01:40:49		 39.0302 16.0955 21 2020-07-18
21:08:42		 Bollettino Sismico Italiano INGV 81083941
Reviewed
Rev100 		ML 0.7 2020-03-17
01:40:49		 39.0458 16.1332 21 2020-03-17
01:52:12		 Sala Sismica INGV-Roma 77314741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-17 01:40:49 ± 0.2
Latitude 39.0302 ± 0.0063
Longitude 16.0955 ± 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 81083941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1064
Semi-minor axis of confidence ellipse (meter) 689
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 281
Circular confidence region, given by single value of horizontal uncertainty (meter) 1060.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.10072
Epicentral distance of station farthest from the epicenter (degree) 0.63852
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 77314741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-17 01:52:12

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 81083941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-16 21:24:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.JOPP.HNN. 2020-03-17T01:41:05.31 0.6 undecidable manual S 201 50.3163 105 -0.44 58
IV.GRI.EHE. 2020-03-17T01:41:02.23 0.6 undecidable manual S 129 36.2415 112 0.06 65
IV.SPS2.HHZ. 2020-03-17T01:41:01.87 0.6 undecidable manual S 36 35.742 112 -0.16 64
IV.PLAC.HHE. 2020-03-17T01:41:01.45 0.3 undecidable manual P 155 70.8735 100 -0.54 81
IV.CET2.HHZ. 2020-03-17T01:41:00.28 0.3 undecidable manual P 348 56.5989 103 0.46 84
IV.CAR1.HHZ. 2020-03-17T01:40:59.62 0.3 undecidable manual S 22 26.6511 120 -0.25 96
IV.JOPP.HNN. 2020-03-17T01:40:59.18 0.3 undecidable manual P 201 50.3163 105 0.3 90
XK.GIZZ.HHZ. 2020-03-17T01:40:57.14 0.3 undecidable manual S 120 11.1777 148 0.3 97
IV.GRI.EHE. 2020-03-17T01:40:57.18 0.3 undecidable manual P 129 36.2415 112 0.36 91
IV.SPS2.HHZ. 2020-03-17T01:40:56.52 0.3 undecidable manual P 36 35.742 112 -0.22 94
IV.CAR1.HHZ. 2020-03-17T01:40:55.29 0.3 undecidable manual P 22 26.6511 120 -0.2 96
XK.GIZZ.HHZ. 2020-03-17T01:40:53.85 0.3 undecidable manual P 120 11.1777 148 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAR1.HNE. ML:1.4 0.00010033289000000001 0.9096 AML other m 2020-03-17T01:40:59.67
IV.CAR1.HHN. ML:0.9 0.000036683045 0.2 AML other m 2020-03-17T01:40:59.86
IV.CAR1.HHE. ML:0.8 0.000032354165 0.18 AML other m 2020-03-17T01:41:00.93
IV.SPS2.HHN. ML:0.5 0.000009625 0.86 AML other m 2020-03-17T01:41:02.06
IV.SPS2.HHE. ML:0.5 0.00000987 0.22 AML other m 2020-03-17T01:41:02.96
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