Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 04-04-2020 and time 20:03:26 (Italy) in region Costa Ionica Crotonese (Crotone)

A magnitude ML 2.3 earthquake occured in region: Costa Ionica Crotonese (Crotone), on

  • 04-04-2020 18:03:26 (UTC)
  • 04-04-2020 20:03:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.0780, 17.1420 at 26 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 14 17643 79821
Cutro KR 15 10541 90362
Scandale KR 17 3169 93531
Rocca di Neto KR 18 5687 99218
San Mauro Marchesato KR 19 2157 101375

Municipalities with at least 50000 inhabitants

An earthquake occurred to
1 Km E of Crotone (62178 inhabitants)
51 Km E of Catanzaro (90612 inhabitants)
72 Km E of Lamezia Terme (70714 inhabitants)
80 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
18:03:26		 39.0783 17.142 26 2020-07-18
21:08:36		 Bollettino Sismico Italiano INGV 79131721
Reviewed
Rev100 		ML 2.3 2020-04-04
18:03:25		 39.0795 17.1792 5 2020-04-04
18:19:06		 Sala Sismica INGV-Roma 77889931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-04 18:03:26 ± 0.21
Latitude 39.0783 ± 0.0126
Longitude 17.1420 ± 0.0185
Depth (km) 26 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79131721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1529
Semi-minor axis of confidence ellipse (meter) 1410
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 1530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.14578
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 77889931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-04 18:19:06

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 79131721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-14 13:30:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.KEK.HHE. 2020-04-04T18:04:00.73 0.1 undecidable manual P 72 238.1838 54 -0.29 46
IV.MESG.HHE. 2020-04-04T18:03:55.08 3.0 undecidable manual P 0.02 0
GE.MATE.HHE. 2020-04-04T18:03:53.04 0.3 undecidable manual P 348 178.1883 54 -0.52 46
OT.MASS.HHE. 2020-04-04T18:03:52.13 0.6 undecidable manual P 0 172.494 54 -0.71 29
IV.CRAC.EHE. 2020-04-04T18:03:51.57 0.3 undecidable manual P 338 156.621 54 0.7 49
OT.TAR1.HHE. 2020-04-04T18:03:50.68 0.3 undecidable manual P 4 161.0166 54 -0.74 46
IV.JOPP.HHZ. 2020-04-04T18:03:47.07 0.3 undecidable manual P 245 120.4905 98 0.84 50
MN.GRI.EHZ. 2020-04-04T18:03:47.18 0.6 undecidable manual S 100
YZ.POLL2.HHE.00 2020-04-04T18:03:47.10 0.6 undecidable manual P 323 124.7862 97 0.22 41
IV.ORI.HHE. 2020-04-04T18:03:47.25 0.6 undecidable manual P 331 123.0879 98 0.63 37
IV.CELI.HHZ. 2020-04-04T18:03:45.62 0.6 undecidable manual S 304 65.1903 105 -0.87 36
IV.PIPA.HHZ. 2020-04-04T18:03:43.77 0.3 undecidable manual S 328 53.1024 109 0.37 69
IV.TDS.HHE. 2020-04-04T18:03:42.73 0.3 undecidable manual P 313 94.4388 100 0.47 62
IV.PLAC.HHE. 2020-04-04T18:03:42.74 0.6 undecidable manual P 221 92.5407 100 0.76 36
XK.SELL.HHZ. 2020-04-04T18:03:41.35 0.3 undecidable manual S 257 45.5211 113 -0.16 72
XK.ALB1.HNZ. 2020-04-04T18:03:41.52 0.6 undecidable manual S 263 47.3193 112 -0.43 45
IV.CAR1.HHZ. 2020-04-04T18:03:40.69 0.3 undecidable manual P 284 82.3509 102 0.26 66
IV.SERS.HHZ. 2020-04-04T18:03:39.71 0.3 undecidable manual S 263 39.3273 117 -0.3 71
IV.SPS2.HHZ. 2020-04-04T18:03:39.40 0.6 undecidable manual P 289 72.9714 104 0.38 44
MN.TIP.HHZ. 2020-04-04T18:03:38.86 0.6 undecidable manual S 289 34.8429 120 -0.1 49
IV.CELI.HHZ. 2020-04-04T18:03:37.98 0.3 undecidable manual P 304 65.1903 105 0.12 70
IV.PIPA.HHZ. 2020-04-04T18:03:36.03 0.3 undecidable manual P 328 53.1024 109 -0.05 72
XK.ALB1.HNZ. 2020-04-04T18:03:35.13 0.3 undecidable manual P 263 47.3193 112 -0.12 72
IV.SERS.HHZ. 2020-04-04T18:03:34.12 0.1 negative manual P 263 39.3273 117 0 100
XK.SELL.HHZ. 2020-04-04T18:03:34.47 0.3 undecidable manual P 257 45.5211 113 -0.52 66
MN.TIP.HHZ. 2020-04-04T18:03:33.43 0.1 negative manual P 289 34.8429 120 -0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TIP.HHE. ML:2.2 0.00050026975 0.4864 AML other m 2020-04-04T18:03:43.33
MN.TIP.HNE. ML:2.2 0.00051750765 0.4992 AML other m 2020-04-04T18:03:43.33
MN.TIP.HHN. ML:2.1 0.00037089875 0.7424 AML other m 2020-04-04T18:03:43.44
MN.TIP.HNN. ML:2.1 0.0003831556 0.7424 AML other m 2020-04-04T18:03:43.44
IV.SERS.HNE. ML:2.4 0.00072806395 0.64 AML other m 2020-04-04T18:03:43.80
IV.SERS.HHN. ML:2.4 0.0007787374000000001 0.6272 AML other m 2020-04-04T18:03:43.79
IV.SERS.HNN. ML:2.4 0.0006838866500000001 0.3584 AML other m 2020-04-04T18:03:45.37
IV.SERS.HHE. ML:2.3 0.0006177707500000001 0.3584 AML other m 2020-04-04T18:03:45.18
IV.PIPA.HHN. ML:2.4 0.0004960428 0.3968 AML other m 2020-04-04T18:03:48.42
IV.PIPA.HNE. ML:2.5 0.0007685430999999999 0.3072 AML other m 2020-04-04T18:03:48.93
IV.PIPA.HHE. ML:2.5 0.000760292 0.32 AML other m 2020-04-04T18:03:48.95
IV.PIPA.HNN. ML:2.4 0.0004892753000000001 0.4736 AML other m 2020-04-04T18:03:51.30
IV.CELI.HHE. ML:2.0 0.0001866985 1.2192 AML other m 2020-04-04T18:03:52.34
IV.CELI.HHN. ML:2.2 0.00024813695 0.4352 AML other m 2020-04-04T18:03:52.54
IV.CAR1.HHN. ML:2.6 0.0004595407 1.5648 AML other m 2020-04-04T18:03:57.93
IV.CAR1.HNN. ML:2.6 0.0005970224499999999 1.5392 AML other m 2020-04-04T18:03:57.17
IV.CAR1.HHE. ML:2.5 0.00041655695000000005 0.3968 AML other m 2020-04-04T18:03:57.38
IV.CELI.HNE. ML:2.1 0.00022680305 0.0096 AML other m 2020-04-04T18:03:57.48
IV.CELI.HNN. ML:2.2 0.00025733715 0.6016 AML other m 2020-04-04T18:04:00.58
IV.CAR1.HNE. ML:2.4 0.00035289844999999997 0.6784 AML other m 2020-04-04T18:04:02.38
IV.JOPP.HHE. ML:2.0 0.00007966492 1.792 AML other m 2020-04-04T18:04:13.90
IV.JOPP.HHN. ML:2.2 0.000110889715 0.1248 AML other m 2020-04-04T18:04:19.91
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