Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 17-03-2020 and time 01:05:32 (UTC) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 1.6 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 17-03-2020 01:05:32 (UTC)
  • 17-03-2020 02:05:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.0360, 16.0450 at 23 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 9 458 458
Nocera Terinese CZ 10 4731 5189
Falerna CZ 11 4028 9217
Amantea CS 11 13975 23192
San Pietro in Amantea CS 13 505 23697
San Mango d'Aquino CZ 13 1564 25261
Cleto CS 14 1301 26562
Aiello Calabro CS 14 1729 28291
Belmonte Calabro CS 14 2003 30294
Gizzeria CZ 16 4982 35276
Martirano Lombardo CZ 17 1112 36388
Lago CS 17 2624 39012
Martirano CZ 18 884 39896
Longobardi CS 19 2312 42208

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km W of Lamezia Terme (70714 inhabitants)
34 Km SW of Cosenza (67546 inhabitants)
50 Km W of Catanzaro (90612 inhabitants)
94 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 1.6 2020-03-17
01:05:32		 39.036 16.0452 23 2020-07-18
21:08:26		 Bollettino Sismico Italiano INGV 77361581
Reviewed
Rev100 		ML 1.6 2020-03-17
01:05:32		 39.0435 16.0198 21 2020-03-17
01:23:23		 Sala Sismica INGV-Roma 77313421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-17 01:05:32 ± 0.11
Latitude 39.0360 ± 0.0054
Longitude 16.0452 ± 0.0081
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77361581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 622
Semi-minor axis of confidence ellipse (meter) 360
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 288
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.13850
Epicentral distance of station farthest from the epicenter (degree) 0.87774
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 77313421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-17 01:23:23

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 77361581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-18 21:27:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TIP.HHZ. 2020-03-17T01:05:52.63 0.6 undecidable manual S 75 63.3921 103 0.02 47
IV.SERS.HHZ. 2020-03-17T01:05:50.23 0.3 undecidable manual S 90 55.4001 106 -0.32 69
IV.CELI.HHZ. 2020-03-17T01:05:50.79 0.6 undecidable manual S 44 56.8986 105 -0.14 47
IV.JOPP.HHZ. 2020-03-17T01:05:49.48 0.6 undecidable manual S 196 49.617 108 0.43 45
IV.SALB.HHZ. 2020-03-17T01:05:49.54 0.3 undecidable manual P 15 96.8253 98 0.23 64
IV.CET2.HHZ. 2020-03-17T01:05:49.82 0.3 undecidable manual S 352 55.2003 106 -0.67 61
XK.SELL.HHZ. 2020-03-17T01:05:49.08 0.3 undecidable manual S 96 50.616 107 -0.22 71
IV.MSRU.HHZ. 2020-03-17T01:05:48.78 0.3 undecidable manual P 209 97.4247 98 -0.63 57
XK.ALB1.HNZ. 2020-03-17T01:05:48.18 0.6 undecidable manual S 91 47.619 109 -0.37 46
IV.PIPA.HHZ. 2020-03-17T01:05:47.85 0.3 undecidable manual P 53 82.8504 100 0.67 58
MN.CEL.HNZ. 2020-03-17T01:05:47.32 0.3 undecidable manual P 189 87.0462 99 -0.5 61
IV.GRIS.HNE. 2020-03-17T01:05:46.60 0.3 undecidable manual P 348 79.8645 100 -0.13 67
IV.GRI.EHZ. 2020-03-17T01:05:46.19 0.3 undecidable manual S 126 40.1265 113 -0.49 68
IV.SPS2.HHE. 2020-03-17T01:05:46.10 0.3 undecidable manual S 42 37.9287 114 -0.04 75
IV.PLAC.HHE. 2020-03-17T01:05:46.17 0.3 undecidable manual P 152 73.4709 101 0.41 65
IV.TDS.HHZ. 2020-03-17T01:05:45.55 0.3 undecidable manual P 20 73.6707 101 -0.24 67
MN.TIP.HHZ. 2020-03-17T01:05:44.43 0.1 undecidable manual P 75 63.3921 103 0.18 92
IV.CELI.HHZ. 2020-03-17T01:05:43.32 0.1 undecidable manual P 44 56.8986 105 0.04 96
IV.CAR1.HHZ. 2020-03-17T01:05:43.83 0.6 undecidable manual S 31 28.0497 123 0.01 51
IV.CET2.HHZ. 2020-03-17T01:05:43.06 0.3 undecidable manual P 352 55.2003 106 0.03 73
IV.SERS.HHZ. 2020-03-17T01:05:43.08 0.1 undecidable manual P 90 55.4001 106 0.02 97
XK.SELL.HHZ. 2020-03-17T01:05:42.37 0.1 undecidable manual P 96 50.616 107 0.03 97
IV.JOPP.HHZ. 2020-03-17T01:05:42.71 0.3 undecidable manual P 196 49.617 108 0.51 67
XK.GIZZ.HHZ. 2020-03-17T01:05:41.06 0.3 undecidable manual S 114 15.3735 142 -0.25 75
XK.ALB1.HNZ. 2020-03-17T01:05:41.83 0.1 undecidable manual P 91 47.619 109 -0.08 98
IV.SPS2.HHE. 2020-03-17T01:05:40.88 0.1 undecidable manual P 42 37.9287 114 0.36 93
IV.GRI.EHZ. 2020-03-17T01:05:40.86 0.1 undecidable manual P 126 40.1265 113 0.03 99
IV.CAR1.HHZ. 2020-03-17T01:05:39.53 0.1 negative manual P 31 28.0497 123 0.35 95
XK.GIZZ.HHZ. 2020-03-17T01:05:37.94 0.1 positive manual P 114 15.3735 142 0.21 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAR1.HNN. ML:2.0 0.00043138735 0.34 AML other m 2020-03-17T01:05:44.05
IV.CAR1.HHE. ML:2.0 0.000441 0.3 AML other m 2020-03-17T01:05:44.20
IV.CAR1.HNE. ML:1.9 0.00030957685 0.1496 AML other m 2020-03-17T01:05:44.29
IV.CAR1.HHN. ML:2.0 0.00036199999999999996 0.34 AML other m 2020-03-17T01:05:44.76
IV.GRI.EHN. ML:1.8 0.0001975 0.46 AML other m 2020-03-17T01:05:46.28
IV.GRI.EHE. ML:1.6 0.000118 0.34 AML other m 2020-03-17T01:05:46.50
IV.JOPP.HHE. ML:1.4 0.0000558 0.58 AML other m 2020-03-17T01:05:49.59
IV.JOPP.HHN. ML:1.3 0.00004625775 0.18 AML other m 2020-03-17T01:05:49.84
IV.CELI.HHE. ML:1.4 0.000047253795000000005 1.42 AML other m 2020-03-17T01:05:50.29
IV.CET2.HHE. ML:1.3 0.00004714513 1.9 AML other m 2020-03-17T01:05:51.03
IV.CELI.HHN. ML:1.2 0.00003653918 0.32 AML other m 2020-03-17T01:05:51.20
IV.CET2.HHN. ML:1.6 0.00008060718 0.22 AML other m 2020-03-17T01:05:51.00
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