Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 09-04-2020 and time 20:50:29 (UTC) in region Costa Ionica Crotonese (Crotone)

A magnitude ML 1.8 earthquake occured in region: Costa Ionica Crotonese (Crotone), on

  • 09-04-2020 20:50:29 (UTC)
  • 09-04-2020 22:50:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.0730, 17.1550 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 3 62178 62178
Isola di Capo Rizzuto KR 14 17643 79821
Cutro KR 16 10541 90362
Scandale KR 18 3169 93531
Rocca di Neto KR 19 5687 99218

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km E of Crotone (62178 inhabitants)
52 Km E of Catanzaro (90612 inhabitants)
73 Km E of Lamezia Terme (70714 inhabitants)
81 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 1.8 2020-04-09
20:50:29		 39.073 17.1552 11 2020-07-18
21:08:35		 Bollettino Sismico Italiano INGV 78832151
Reviewed
Rev100 		ML 1.8 2020-04-09
20:50:28		 39.0622 17.159 10 2020-04-09
20:59:22		 Sala Sismica INGV-Roma 78055601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-09 20:50:29 ± 0.38
Latitude 39.0730 ± 0.0144
Longitude 17.1552 ± 0.0266
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78832151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2380
Semi-minor axis of confidence ellipse (meter) 1580
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 286
Circular confidence region, given by single value of horizontal uncertainty (meter) 2380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 254
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.13404
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 78832151
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-23 19:56:11

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 78055601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-09 20:59:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GALF.HHZ. 2020-04-09T20:51:14.30 3.0 undecidable manual Pg 2.71 0
IV.SPS2.HHZ. 2020-04-09T20:50:52.51 0.6 undecidable manual S 289 74.2701 50 1.08 35
YZ.POLL2.HHE.00 2020-04-09T20:50:50.11 0.3 undecidable manual P 323 125.874 50 0.17 66
IV.JOPP.HHZ. 2020-04-09T20:50:49.45 0.3 undecidable manual P 245 121.2897 50 0.23 66
IV.SALB.HHZ. 2020-04-09T20:50:48.20 0.3 undecidable manual P 322 112.998 50 0.27 66
IV.CET2.HHZ. 2020-04-09T20:50:48.90 0.3 undecidable manual P 297 114.7962 50 0.68 58
IV.TDS.HHZ. 2020-04-09T20:50:45.77 0.3 undecidable manual P 313 95.7264 50 0.5 65
IV.PLAC.HHZ. 2020-04-09T20:50:45.08 0.3 undecidable manual P 222 92.9403 50 0.23 69
XK.SELL.HHZ. 2020-04-09T20:50:44.23 0.6 undecidable manual S 258 46.5201 50 0.2 51
XK.GIZZ.HHN. 2020-04-09T20:50:44.54 0.3 undecidable manual P 263 82.251 50 1.33 46
IV.CAR1.HHZ. 2020-04-09T20:50:43.75 0.3 undecidable manual P 284 83.5497 50 0.34 69
IV.SERS.HHZ. 2020-04-09T20:50:42.11 0.6 undecidable manual S 264 40.4262 50 -0.28 51
IV.GRI.EHN. 2020-04-09T20:50:41.31 0.3 undecidable manual P 247 69.2751 50 0.11 75
IV.SPS2.HHZ. 2020-04-09T20:50:41.88 0.3 undecidable manual P 289 74.2701 50 -0.09 74
MN.TIP.HHZ. 2020-04-09T20:50:40.97 0.3 undecidable manual S 289 36.1416 50 -0.28 77
IV.CELI.HHZ. 2020-04-09T20:50:40.19 0.3 undecidable manual P 304 66.4779 50 -0.59 67
IV.PIPA.HHZ. 2020-04-09T20:50:38.42 0.3 undecidable manual P 328 54.2013 50 -0.46 71
XK.SELL.HHZ. 2020-04-09T20:50:37.26 0.1 negative manual P 258 46.5201 50 -0.44 97
XK.ALB1.HNZ. 2020-04-09T20:50:37.52 0.1 undecidable manual P 264 48.3183 50 -0.46 96
IV.SERS.HHZ. 2020-04-09T20:50:36.41 0.1 negative manual P 264 40.4262 50 -0.35 100
MN.TIP.HHZ. 2020-04-09T20:50:35.68 0.1 negative manual P 289 36.1416 50 -0.42 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TIP.HHN. ML:1.4 0.0001019 0.82 AML other m 2020-04-09T20:50:45.41
MN.TIP.HHE. ML:1.6 0.0001535 0.28 AML other m 2020-04-09T20:50:45.37
IV.SERS.HHE. ML:1.7 0.000157 1.58 AML other m 2020-04-09T20:50:46.19
IV.SERS.HHN. ML:1.9 0.00026249999999999993 0.28 AML other m 2020-04-09T20:50:46.71
IV.SERS.HNE. ML:1.8 0.00023999999999999998 0.28 AML other m 2020-04-09T20:50:46.71
IV.SERS.HNN. ML:1.7 0.0001725 0.3 AML other m 2020-04-09T20:50:47.74
IV.PIPA.HNE. ML:2.1 0.000306 0.4 AML other m 2020-04-09T20:50:51.34
IV.PIPA.HHE. ML:2.1 0.00032199999999999997 0.4 AML other m 2020-04-09T20:50:52.34
IV.PIPA.HNN. ML:2.2 0.0003515 0.48 AML other m 2020-04-09T20:50:53.65
IV.PIPA.HHN. ML:2.2 0.00034250000000000003 0.48 AML other m 2020-04-09T20:50:53.65
IV.CELI.HHN. ML:1.8 0.00010375000000000001 0.42 AML other m 2020-04-09T20:50:54.27
IV.CELI.HHE. ML:1.7 0.00008525 1.06 AML other m 2020-04-09T20:50:56.81
IV.SPS2.HHN. ML:1.6 0.00005465000000000001 0.48 AML other m 2020-04-09T20:50:57.60
IV.SPS2.HHE. ML:1.6 0.00006065 0.44 AML other m 2020-04-09T20:50:58.76
IV.CAR1.HHN. ML:2.0 0.0001255 1.58 AML other m 2020-04-09T20:51:00.03
IV.CAR1.HHE. ML:2.0 0.00014600000000000003 0.7 AML other m 2020-04-09T20:51:04.68
IV.PLAC.HHE. ML:1.8 0.0000726 1.42 AML other m 2020-04-09T20:51:08.00
IV.PLAC.HNN. ML:1.9 0.00007925 0.94 AML other m 2020-04-09T20:51:09.01
IV.CET2.HHN. ML:2.2 0.000123 1.48 AML other m 2020-04-09T20:51:10.88
IV.CET2.HHE. ML:2.0 0.00007350000000000001 0.68 AML other m 2020-04-09T20:51:11.41
IV.PLAC.HHN. ML:1.9 0.00008219999999999999 1.08 AML other m 2020-04-09T20:51:15.22
IV.PLAC.HNE. ML:1.9 0.00008565000000000001 1.1 AML other m 2020-04-09T20:51:15.22
IV.JOPP.HHN. ML:1.6 0.00003205 1.2 AML other m 2020-04-09T20:51:16.34
IV.SALB.HHN. ML:1.6 0.00003195 0.48 AML other m 2020-04-09T20:51:17.67
IV.JOPP.HHE. ML:1.5 0.0000268 0.64 AML other m 2020-04-09T20:51:19.55
IV.SALB.HHE. ML:1.7 0.000038650000000000004 0.5 AML other m 2020-04-09T20:51:21.69
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