Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 03-04-2020 and time 12:40:49 (UTC) in region Costa Ionica Crotonese (Crotone)

A magnitude ML 1.7 earthquake occured in region: Costa Ionica Crotonese (Crotone), on

  • 03-04-2020 12:40:49 (UTC)
  • 03-04-2020 14:40:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.0410, 17.2040 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 8 62178 62178
Isola di Capo Rizzuto KR 13 17643 79821
Cutro KR 19 10541 90362

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km SE of Crotone (62178 inhabitants)
55 Km E of Catanzaro (90612 inhabitants)
77 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 1.7 2020-04-03
12:40:49		 39.0412 17.2042 10 2020-07-18
21:08:41		 Bollettino Sismico Italiano INGV 80694811
Reviewed
Rev100 		ML 1.7 2020-04-03
12:40:49		 39.3383 16.3268 10 2020-04-03
12:57:41		 Sala Sismica INGV-Roma 77831981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-03 12:40:49 ± 0.38
Latitude 39.0412 ± 0.0162
Longitude 17.2042 ± 0.0255
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80694811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2260
Semi-minor axis of confidence ellipse (meter) 1760
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 287
Circular confidence region, given by single value of horizontal uncertainty (meter) 2260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 260
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.37232
Epicentral distance of station farthest from the epicenter (degree) 1.06570
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 80694811
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-15 22:09:01

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 77831981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-03 12:57:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SALB.HHE. 2020-04-03T12:41:10.54 0.6 undecidable manual P 322 118.2927 50 0.89 33
XK.ALB1.HHE. 2020-04-03T12:41:07.40 1.0 undecidable manual S 268 52.3032 50 0.83 20
XK.SELL.HHZ. 2020-04-03T12:41:06.26 1.0 undecidable manual S 263 50.1165 50 0.29 23
IV.CAR1.HHN. 2020-04-03T12:41:05.72 0.6 undecidable manual P 286 88.5447 50 0.65 39
IV.PLAC.HHE. 2020-04-03T12:41:05.59 0.3 undecidable manual P 226 93.24 50 -0.2 66
IV.SERS.HHZ. 2020-04-03T12:41:04.61 0.6 undecidable manual S 269 44.4222 50 0.15 49
MN.TIP.HHZ. 2020-04-03T12:41:02.90 0.6 undecidable manual S 292 41.3253 50 -0.73 42
IV.CELI.HNZ. 2020-04-03T12:41:02.48 0.3 undecidable manual P 304 71.9724 50 -0.02 71
IV.PIPA.HHZ. 2020-04-03T12:41:00.47 0.6 undecidable manual P 326 59.496 50 -0.11 48
XK.ALB1.HHE. 2020-04-03T12:40:59.30 0.3 undecidable manual P 268 52.3032 50 -0.17 72
XK.SELL.HHZ. 2020-04-03T12:40:59.24 0.1 undecidable manual P 263 50.1165 50 0.11 98
IV.SERS.HHZ. 2020-04-03T12:40:58.23 0.1 undecidable manual P 269 44.4222 50 -0.03 100
MN.TIP.HHZ. 2020-04-03T12:40:57.47 0.1 undecidable manual P 292 41.3253 50 -0.31 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TIP.HHN. ML:1.6 0.0001209641 0.4992 AML other m 2020-04-03T12:41:07.59
MN.TIP.HNN. ML:1.6 0.00014012595499999998 0.5632 AML other m 2020-04-03T12:41:07.59
IV.SERS.HHN. ML:1.7 0.00015066625000000001 0.3584 AML other m 2020-04-03T12:41:08.31
MN.TIP.HHE. ML:1.6 0.00014727099999999998 0.4608 AML other m 2020-04-03T12:41:08.45
MN.TIP.HNE. ML:1.7 0.00015951135 0.4992 AML other m 2020-04-03T12:41:08.45
IV.SERS.HNN. ML:1.8 0.00020201720000000001 0.3776 AML other m 2020-04-03T12:41:08.50
IV.SERS.HNE. ML:1.8 0.00016907495 0.3968 AML other m 2020-04-03T12:41:08.51
IV.SERS.HHE. ML:1.8 0.00021485235 0.3776 AML other m 2020-04-03T12:41:08.50
IV.PIPA.HHE. ML:1.8 0.00013317665000000002 0.48 AML other m 2020-04-03T12:41:13.31
IV.PIPA.HNE. ML:2.0 0.0001942495 0.5184 AML other m 2020-04-03T12:41:13.31
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