Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 09-04-2020 and time 20:32:06 (UTC) in region Costa Ionica Crotonese (Crotone)

A magnitude ML 1.9 earthquake occured in region: Costa Ionica Crotonese (Crotone), on

  • 09-04-2020 20:32:06 (UTC)
  • 09-04-2020 22:32:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.0590, 17.1560 at 10 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 4 62178 62178
Isola di Capo Rizzuto KR 12 17643 79821
Cutro KR 15 10541 90362
Scandale KR 19 3169 93531
Rocca di Neto KR 20 5687 99218

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km SE of Crotone (62178 inhabitants)
51 Km E of Catanzaro (90612 inhabitants)
73 Km E of Lamezia Terme (70714 inhabitants)
82 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 1.9 2020-04-09
20:32:06		 39.0592 17.1563 10 2020-07-18
21:08:35		 Bollettino Sismico Italiano INGV 78831911
Reviewed
Rev100 		ML 2.0 2020-04-09
20:32:04		 38.9163 17.2897 10 2020-04-09
21:10:30		 Sala Sismica INGV-Roma 78055731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-09 20:32:06 ± 0.32
Latitude 39.0592 ± 0.0117
Longitude 17.1563 ± 0.0208
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78831911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1930
Semi-minor axis of confidence ellipse (meter) 1160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 294
Circular confidence region, given by single value of horizontal uncertainty (meter) 1930.0
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 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.33095
Epicentral distance of station farthest from the epicenter (degree) 1.02882
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 78831911
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-23 19:53:35

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 78055731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-09 21:10:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SALB.HHZ. 2020-04-09T20:32:25.82 0.3 undecidable manual P 323 114.1968 50 0.29 63
IV.PIPA.HHZ. 2020-04-09T20:32:23.94 0.6 undecidable manual S 328 55.5999 50 0.07 49
IV.TDS.HHZ. 2020-04-09T20:32:23.39 0.3 undecidable manual P 314 96.8253 50 0.54 61
XK.SELL.HHZ. 2020-04-09T20:32:22.12 0.3 undecidable manual S 260 46.3203 50 0.72 63
IV.PLAC.HHE. 2020-04-09T20:32:22.13 0.3 undecidable manual P 223 91.8414 50 0.05 69
IV.CAR1.HHE. 2020-04-09T20:32:21.72 0.3 undecidable manual P 285 84.0492 50 0.83 56
XK.ALB1.HHE. 2020-04-09T20:32:21.97 0.6 undecidable manual S 266 48.3183 50 0.04 50
XK.GIZZ.HHE. 2020-04-09T20:32:20.67 0.3 undecidable manual P 264 82.251 50 0.08 70
IV.SPS2.HHE. 2020-04-09T20:32:19.64 0.3 undecidable manual P 290 74.8695 50 0.18 69
IV.SERS.HHZ. 2020-04-09T20:32:19.32 0.3 undecidable manual S 266 40.4262 50 -0.49 69
MN.TIP.HHN. 2020-04-09T20:32:18.60 0.6 undecidable manual S 291 36.741 50 -0.24 49
IV.CELI.HHZ. 2020-04-09T20:32:18.11 0.3 undecidable manual P 305 67.4769 50 -0.21 70
IV.PIPA.HHZ. 2020-04-09T20:32:16.16 0.1 undecidable manual P 328 55.5999 50 -0.33 93
XK.SELL.HHZ. 2020-04-09T20:32:14.90 0.1 undecidable manual P 260 46.3203 50 -0.17 98
XK.ALB1.HHE. 2020-04-09T20:32:14.98 0.3 undecidable manual P 266 48.3183 50 -0.4 70
IV.SERS.HHZ. 2020-04-09T20:32:14.04 0.1 undecidable manual P 266 40.4262 50 -0.11 100
MN.TIP.HHN. 2020-04-09T20:32:13.35 0.1 undecidable manual P 291 36.741 50 -0.24 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SERS.HHN. ML:1.6 0.00014500000000000003 0.58 AML other m 2020-04-09T20:32:23.19
IV.SERS.HHE. ML:1.8 0.0001975 0.32 AML other m 2020-04-09T20:32:24.43
IV.PIPA.HNE. ML:2.1 0.0003005 1.32 AML other m 2020-04-09T20:32:29.81
IV.PIPA.HHE. ML:2.1 0.00028100000000000005 1.32 AML other m 2020-04-09T20:32:29.82
IV.PIPA.HNN. ML:2.1 0.000282 0.46 AML other m 2020-04-09T20:32:31.44
IV.PIPA.HHN. ML:2.0 0.00021 0.4 AML other m 2020-04-09T20:32:31.25
IV.CELI.HHN. ML:1.8 0.00009920000000000001 0.96 AML other m 2020-04-09T20:32:31.84
IV.CELI.HHE. ML:1.6 0.00006459999999999998 0.56 AML other m 2020-04-09T20:32:38.43
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
Waveforms Seismic signals in miniseed + resp format Download