Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 03-04-2020 and time 06:06:31 (Italy) in region Costa Ionica Crotonese (Crotone)

A magnitude ML 1.6 earthquake occured in region: Costa Ionica Crotonese (Crotone), on

  • 03-04-2020 04:06:31 (UTC)
  • 03-04-2020 06:06:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.0750, 17.2150 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
Crotone KR 8 62178 62178
Isola di Capo Rizzuto KR 16 17643 79821

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km E of Crotone (62178 inhabitants)
57 Km E of Catanzaro (90612 inhabitants)
78 Km E of Lamezia Terme (70714 inhabitants)
86 Km E of Cosenza (67546 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 2020-04-03
04:06:31		 39.0747 17.2148 11 2020-07-18
21:08:41		 Bollettino Sismico Italiano INGV 80496181
Reviewed
Rev100 		ML 1.6 2020-04-03
04:06:31		 39.0952 17.1793 20 2020-04-03
04:12:01		 Sala Sismica INGV-Roma 77814711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-03 04:06:31 ± 0.37
Latitude 39.0747 ± 0.0153
Longitude 17.2148 ± 0.0243
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80496181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2360
Semi-minor axis of confidence ellipse (meter) 1410
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 301
Circular confidence region, given by single value of horizontal uncertainty (meter) 2360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 255
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) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.36872
Epicentral distance of station farthest from the epicenter (degree) 1.13944
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 77814711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-03 04:12:01

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 80496181
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-14 10:50:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ORI.HHN. 2020-04-03T04:06:52.65 0.3 undecidable manual P 329 126.4734 50 0.43 63
IV.SALB.HHZ. 2020-04-03T04:06:51.22 0.3 undecidable manual P 320 115.995 50 0.61 61
IV.CET2.HHZ. 2020-04-03T04:06:51.28 1.0 undecidable manual P 295 119.2917 50 0.17 23
IV.PLAC.HHE. 2020-04-03T04:06:48.05 0.3 undecidable manual P 224 96.5256 50 0.45 67
XK.ALB1.HNZ. 2020-04-03T04:06:48.13 0.6 undecidable manual S 264 53.502 50 0.08 52
IV.TDS.HHZ. 2020-04-03T04:06:48.62 0.6 undecidable manual P 311 99.4227 50 0.58 43
XK.SELL.HHZ. 2020-04-03T04:06:47.91 0.3 undecidable manual S 259 51.6039 50 0.37 74
XK.GIZZ.HHN. 2020-04-03T04:06:46.07 0.3 undecidable manual P 263 87.4458 50 -0.12 73
IV.SERS.HHZ. 2020-04-03T04:06:46.16 0.6 undecidable manual S 265 45.5211 50 0.24 52
IV.CAR1.HHZ. 2020-04-03T04:06:46.47 0.1 undecidable manual P 283 88.5447 50 0.1 98
IV.SPS2.HHE. 2020-04-03T04:06:45.87 0.6 undecidable manual P 288 79.0653 50 0.96 38
IV.GRI.EHN. 2020-04-03T04:06:44.58 0.3 undecidable manual P 248 74.0703 50 0.44 70
MN.TIP.HHZ. 2020-04-03T04:06:44.60 0.6 undecidable manual S 287 40.9257 50 -0.1 53
IV.CELI.HNZ. 2020-04-03T04:06:43.28 0.3 undecidable manual P 301 70.7736 50 -0.35 72
IV.PIPA.HHZ. 2020-04-03T04:06:41.20 0.1 undecidable manual P 323 56.9985 50 -0.31 100
XK.SELL.HHZ. 2020-04-03T04:06:40.34 0.1 undecidable manual P 259 51.6039 50 -0.33 100
XK.ALB1.HNZ. 2020-04-03T04:06:40.37 0.3 undecidable manual P 264 53.502 50 -0.6 69
IV.SERS.HHZ. 2020-04-03T04:06:39.24 0.1 undecidable manual P 265 45.5211 50 -0.5 97
MN.TIP.HHZ. 2020-04-03T04:06:38.52 0.1 negative manual P 287 40.9257 50 -0.52 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TIP.HHE. ML:1.1 0.000047248570000000005 0.7392 AML other m 2020-04-03T04:06:48.35
IV.SERS.HNE. ML:1.6 0.00010883055499999999 0.4192 AML other m 2020-04-03T04:06:48.86
IV.SERS.HHN. ML:1.6 0.000106724365 0.4 AML other m 2020-04-03T04:06:48.86
IV.SERS.HNN. ML:1.7 0.00014350000000000002 0.34 AML other m 2020-04-03T04:06:49.61
IV.SERS.HHE. ML:1.7 0.0001575 0.34 AML other m 2020-04-03T04:06:49.61
IV.PIPA.HHN. ML:1.8 0.0001324144 0.72 AML other m 2020-04-03T04:06:53.63
IV.PIPA.HHE. ML:1.8 0.00013550000000000001 0.66 AML other m 2020-04-03T04:06:53.96
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