Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 02-04-2020 and time 07:34:21 (Italy) in region Crotone (KR)

A magnitude ML 1.7 earthquake occured in region: Crotone (KR), on

  • 02-04-2020 05:34:21 (UTC)
  • 02-04-2020 07:34:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.0770, 17.1270 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.

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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 1 62178 62178
Isola di Capo Rizzuto KR 13 17643 79821
Cutro KR 13 10541 90362
Scandale KR 15 3169 93531
Rocca di Neto KR 17 5687 99218
San Mauro Marchesato KR 18 2157 101375
Santa Severina KR 20 2131 103506

Municipalities with at least 50000 inhabitants

An earthquake occurred to
1 Km S 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 1.7 2020-04-02
05:34:21		 39.0773 17.1272 9 2020-07-18
21:08:40		 Bollettino Sismico Italiano INGV 79997001
Reviewed
Rev100 		ML 1.7 2020-04-02
05:34:20		 39.0598 17.2213 10 2020-04-02
05:38:25		 Sala Sismica INGV-Roma 77779381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-02 05:34:21 ± 0.33
Latitude 39.0773 ± 0.0135
Longitude 17.1272 ± 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 79997001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1960
Semi-minor axis of confidence ellipse (meter) 1410
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 291
Circular confidence region, given by single value of horizontal uncertainty (meter) 1960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 251
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.30397
Epicentral distance of station farthest from the epicenter (degree) 1.01264
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 77779381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-02 05:38:25

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 79997001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-10 13:08:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CET2.HHZ. 2020-04-02T05:34:41.35 0.3 undecidable manual P 297 112.3986 50 0.69 57
IV.SALB.HHZ. 2020-04-02T05:34:41.04 0.6 undecidable manual P 323 111.0999 50 0.58 40
IV.CELI.HHZ. 2020-04-02T05:34:40.68 0.6 undecidable manual S 304 64.1913 50 -1.07 35
IV.TDS.HHZ. 2020-04-02T05:34:38.17 0.6 undecidable manual P 314 93.6396 50 0.41 44
XK.ALB1.HNZ. 2020-04-02T05:34:37.41 0.6 undecidable manual S 263 46.0206 50 0.52 46
IV.PLAC.HHE. 2020-04-02T05:34:37.57 0.3 undecidable manual P 221 91.6416 50 0.11 70
IV.CAR1.HHZ. 2020-04-02T05:34:36.08 0.6 undecidable manual P 284 81.1521 50 0.24 46
XK.SELL.HHZ. 2020-04-02T05:34:36.61 0.3 undecidable manual S 256 44.3223 50 0.19 75
IV.SPS2.HHE. 2020-04-02T05:34:35.14 0.6 undecidable manual P 290 71.7726 50 0.74 41
IV.SERS.HHZ. 2020-04-02T05:34:34.54 0.3 undecidable manual S 263 38.0286 50 -0.22 75
MN.TIP.HHZ. 2020-04-02T05:34:34.02 0.6 undecidable manual S 290 33.744 50 0.42 49
IV.GRI.EHN. 2020-04-02T05:34:33.79 0.3 undecidable manual P 245 67.2771 50 0.09 74
IV.CELI.HHZ. 2020-04-02T05:34:33.06 0.6 undecidable manual P 304 64.1913 50 -0.17 48
IV.PIPA.HHZ. 2020-04-02T05:34:31.09 0.6 undecidable manual P 330 52.503 50 -0.34 48
XK.ALB1.HNZ. 2020-04-02T05:34:30.12 0.1 undecidable manual P 263 46.0206 50 -0.31 97
XK.SELL.HHZ. 2020-04-02T05:34:29.90 0.3 undecidable manual P 256 44.3223 50 -0.26 74
IV.SERS.HHZ. 2020-04-02T05:34:28.95 0.1 negative manual P 263 38.0286 50 -0.25 100
MN.TIP.HHZ. 2020-04-02T05:34:28.13 0.1 undecidable manual P 290 33.744 50 -0.4 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TIP.HNE. ML:1.5 0.000124 0.48 AML other m 2020-04-02T05:34:30.62
IV.SERS.HNE. ML:1.7 0.0001785 0.62 AML other m 2020-04-02T05:34:35.24
IV.SERS.HHN. ML:1.7 0.00016999999999999999 0.62 AML other m 2020-04-02T05:34:35.24
MN.TIP.HHN. ML:1.5 0.00013450000000000002 0.42 AML other m 2020-04-02T05:34:38.49
MN.TIP.HNN. ML:1.4 0.00012090000000000001 0.92 AML other m 2020-04-02T05:34:38.47
IV.SERS.HNN. ML:1.6 0.0001595 0.72 AML other m 2020-04-02T05:34:39.24
MN.TIP.HHE. ML:1.4 0.00009944999999999999 0.54 AML other m 2020-04-02T05:34:40.56
IV.SERS.HHE. ML:1.6 0.0001615 1.1 AML other m 2020-04-02T05:34:40.42
IV.PIPA.HHE. ML:2.0 0.0002235 1.36 AML other m 2020-04-02T05:34:44.07
IV.PIPA.HHN. ML:1.9 0.00019250000000000002 0.78 AML other m 2020-04-02T05:34:44.44
IV.CAR1.HHN. ML:1.9 0.00011680000000000002 0.48 AML other m 2020-04-02T05:34:50.67
IV.CAR1.HHE. ML:2.1 0.00015900000000000002 0.6 AML other m 2020-04-02T05:34:56.47
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