Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 04-04-2020 and time 23:15:16 (Italy) in region Costa Ionica Crotonese (Crotone)

A magnitude ML 1.5 earthquake occured in region: Costa Ionica Crotonese (Crotone), on

  • 04-04-2020 21:15:16 (UTC)
  • 04-04-2020 23:15:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.0980, 17.1270 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.

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 2 62178 62178
Cutro KR 14 10541 72719
Scandale KR 15 3169 75888
Rocca di Neto KR 15 5687 81575
Isola di Capo Rizzuto KR 16 17643 99218
San Mauro Marchesato KR 18 2157 101375
Santa Severina KR 19 2131 103506
Strongoli KR 20 6571 110077

Municipalities with at least 50000 inhabitants

An earthquake occurred to
2 Km N of Crotone (62178 inhabitants)
51 Km E of Catanzaro (90612 inhabitants)
71 Km E of Lamezia Terme (70714 inhabitants)
78 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 1.5 2020-04-04
21:15:16		 39.0978 17.1273 11 2020-07-18
21:08:36		 Bollettino Sismico Italiano INGV 79132481
Reviewed
Rev100 		ML 1.5 2020-04-04
21:15:17		 39.0628 17.1083 10 2020-04-04
21:23:22		 Sala Sismica INGV-Roma 77893621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-04 21:15:16 ± 0.25
Latitude 39.0978 ± 0.0108
Longitude 17.1273 ± 0.0174
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79132481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1510
Semi-minor axis of confidence ellipse (meter) 1110
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) 1510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 252
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.29768
Epicentral distance of station farthest from the epicenter (degree) 0.84177
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 7
Type of magnitude ML
Reference to an origin 79132481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-16 10:43:25

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 77893621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-04 21:23:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLAC.HHE. 2020-04-04T21:15:32.99 0.3 undecidable manual P 220 93.4398 50 0.1 66
XK.ALB1.HNZ. 2020-04-04T21:15:32.23 0.6 undecidable manual S 260 46.4202 50 0.26 46
XK.SELL.HHZ. 2020-04-04T21:15:31.65 0.3 undecidable manual S 254 44.9217 50 0.08 72
IV.CAR1.HHZ. 2020-04-04T21:15:30.44 0.3 undecidable manual P 283 80.6637 50 -0.48 62
IV.SPS2.HHE. 2020-04-04T21:15:29.86 0.3 undecidable manual P 288 71.0733 50 0.41 64
IV.SERS.HHZ. 2020-04-04T21:15:29.67 0.6 undecidable manual S 260 38.4282 50 -0.17 48
IV.GRI.EHN. 2020-04-04T21:15:29.52 0.3 undecidable manual P 244 68.2761 50 0.51 63
IV.CELI.HHE. 2020-04-04T21:15:28.41 0.1 undecidable manual P 303 62.9925 50 0.21 91
MN.TIP.HHZ. 2020-04-04T21:15:28.40 0.3 undecidable manual S 286 33.0447 50 0 75
IV.PIPA.HHZ. 2020-04-04T21:15:26.25 0.3 undecidable manual P 328 50.616 50 -0.04 72
XK.ALB1.HNZ. 2020-04-04T21:15:25.26 0.3 undecidable manual P 260 46.4202 50 -0.38 68
XK.SELL.HHZ. 2020-04-04T21:15:25.12 0.1 undecidable manual P 254 44.9217 50 -0.29 92
IV.SERS.HHZ. 2020-04-04T21:15:24.31 0.1 negative manual P 260 38.4282 50 -0.1 97
MN.TIP.HHZ. 2020-04-04T21:15:23.59 0.1 negative manual P 286 33.0447 50 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TIP.HHE. ML:1.4 0.00009773984 0.5248 AML other m 2020-04-04T21:15:33.45
MN.TIP.HNE. ML:1.5 0.00015142444999999998 1.0112 AML other m 2020-04-04T21:15:33.47
IV.SERS.HHN. ML:1.6 0.00015291135 0.7168 AML other m 2020-04-04T21:15:33.93
IV.SERS.HNE. ML:1.6 0.00013231685 0.384 AML other m 2020-04-04T21:15:34.13
IV.SERS.HHE. ML:1.5 0.000124806 0.704 AML other m 2020-04-04T21:15:33.84
MN.TIP.HNN. ML:1.4 0.00009771155 3.0464 AML other m 2020-04-04T21:15:32.79
IV.SERS.HNN. ML:1.6 0.00015432215 0.32 AML other m 2020-04-04T21:15:35.34
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