Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 04-04-2020 and time 07:36:56 (UTC) in region Crotone (KR)

A magnitude ML 2.3 earthquake occured in region: Crotone (KR), on

  • 04-04-2020 07:36:56 (UTC)
  • 04-04-2020 09:36:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.0800, 17.1310 at 9 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 0 62178 62178
Isola di Capo Rizzuto KR 14 17643 79821
Cutro KR 14 10541 90362
Scandale KR 16 3169 93531
Rocca di Neto KR 17 5687 99218
San Mauro Marchesato KR 18 2157 101375

Municipalities with at least 50000 inhabitants

An earthquake occurred to
0 Km E of Crotone (62178 inhabitants)
50 Km E of Catanzaro (90612 inhabitants)
71 Km E of Lamezia Terme (70714 inhabitants)
79 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 2.3 2020-04-04
07:36:56		 39.0797 17.1308 9 2020-07-18
21:08:36		 Bollettino Sismico Italiano INGV 79079141
Reviewed
Rev100 		ML 2.0 2020-04-04
07:36:56		 39.0907 17.1327 10 2020-04-04
07:51:49		 Sala Sismica INGV-Roma 77862991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-04 07:36:56 ± 0.32
Latitude 39.0797 ± 0.0117
Longitude 17.1308 ± 0.0220
Depth (km) 9 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79079141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2010
Semi-minor axis of confidence ellipse (meter) 1130
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 295
Circular confidence region, given by single value of horizontal uncertainty (meter) 2010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 216
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.30577
Epicentral distance of station farthest from the epicenter (degree) 1.44971
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 79079141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-13 09:23:33

ML:2.0

Field Value
Value 2.0
Uncertainty 0.0
Num. used stations 3
Type of magnitude ML
Reference to an origin 77862991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-04 07:51:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.TAR1.HHZ. 2020-04-04T07:37:23.62 0.3 undecidable manual P 5 160.9167 50 0.76 49
YZ.POLL2.HHE.00 2020-04-04T07:37:17.32 0.3 undecidable manual P 323 124.0869 50 0.15 65
IV.JOPP.HHZ. 2020-04-04T07:37:16.68 0.3 undecidable manual P 244 119.6913 50 0.19 65
IV.SALB.HHZ. 2020-04-04T07:37:15.11 0.3 undecidable manual P 323 111.0999 50 -0.06 68
IV.PIPA.HHZ. 2020-04-04T07:37:13.08 0.3 undecidable manual S 329 52.503 50 -0.17 75
IV.TDS.HHZ. 2020-04-04T07:37:12.85 0.3 undecidable manual P 314 93.6396 50 0.37 66
IV.PLAC.HHE. 2020-04-04T07:37:12.48 0.3 undecidable manual P 221 92.0412 50 0.24 68
XK.SELL.HHZ. 2020-04-04T07:37:11.69 0.3 undecidable manual S 256 44.622 50 0.53 70
XK.GIZZ.HHN. 2020-04-04T07:37:11.57 0.6 undecidable manual P 262 80.364 50 1.15 33
IV.CAR1.HHZ. 2020-04-04T07:37:11.31 0.3 undecidable manual P 284 81.3519 50 0.72 60
XK.ALB1.HNZ. 2020-04-04T07:37:11.82 0.6 undecidable manual S 262 46.4202 50 0.2 50
IV.GRI.EHN. 2020-04-04T07:37:08.28 0.6 undecidable manual P 245 67.6767 50 -0.19 48
MN.TIP.HHZ. 2020-04-04T07:37:08.91 0.3 undecidable manual S 289 33.9438 50 0.61 69
IV.SERS.HHZ. 2020-04-04T07:37:08.81 0.3 undecidable manual S 263 38.4282 50 -0.69 66
IV.SPS2.HHE. 2020-04-04T07:37:08.68 1.0 undecidable manual P 289 72.0723 50 -0.47 23
IV.CELI.HHZ. 2020-04-04T07:37:07.68 0.3 undecidable manual P 304 64.3911 50 -0.28 71
IV.PIPA.HHZ. 2020-04-04T07:37:05.44 0.3 undecidable manual P 329 52.503 50 -0.7 64
XK.SELL.HHZ. 2020-04-04T07:37:04.51 0.1 undecidable manual P 256 44.622 50 -0.42 96
XK.ALB1.HNZ. 2020-04-04T07:37:04.86 0.3 undecidable manual P 262 46.4202 50 -0.34 73
IV.SERS.HHZ. 2020-04-04T07:37:03.70 0.1 negative manual P 263 38.4282 50 -0.27 100
MN.TIP.HHZ. 2020-04-04T07:37:02.96 0.1 negative manual P 289 33.9438 50 -0.31 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TIP.HHN. ML:1.9 0.0003435 0.42 AML other m 2020-04-04T07:37:12.34
MN.TIP.HHE. ML:2.0 0.0003735 1.52 AML other m 2020-04-04T07:37:12.92
MN.TIP.HNE. ML:2.0 0.000411 1.52 AML other m 2020-04-04T07:37:12.16
IV.SERS.HHN. ML:2.3 0.000752 0.4 AML other m 2020-04-04T07:37:13.76
IV.SERS.HNE. ML:2.3 0.00075 0.4 AML other m 2020-04-04T07:37:13.77
IV.SERS.HNN. ML:2.1 0.0005394999999999999 0.32 AML other m 2020-04-04T07:37:14.18
IV.SERS.HHE. ML:2.1 0.000537 0.34 AML other m 2020-04-04T07:37:14.17
IV.PIPA.HNN. ML:2.5 0.0007745 0.64 AML other m 2020-04-04T07:37:17.99
IV.PIPA.HHN. ML:2.5 0.0007975000000000001 1.32 AML other m 2020-04-04T07:37:17.01
IV.PIPA.HHE. ML:2.4 0.0005885 1.24 AML other m 2020-04-04T07:37:18.20
IV.PIPA.HNE. ML:2.4 0.0005965 1.24 AML other m 2020-04-04T07:37:18.20
IV.CAR1.HNN. ML:2.4 0.000366 0.56 AML other m 2020-04-04T07:37:25.74
IV.CAR1.HHN. ML:2.4 0.0003725 0.38 AML other m 2020-04-04T07:37:28.45
IV.CAR1.HHE. ML:2.6 0.000497 0.42 AML other m 2020-04-04T07:37:30.45
IV.CAR1.HNE. ML:2.5 0.0004355 1.32 AML other m 2020-04-04T07:37:31.66
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