Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 03-04-2020 and time 23:07:30 (UTC) in region Costa Ionica Crotonese (Crotone)

A magnitude ML 2.5 earthquake occured in region: Costa Ionica Crotonese (Crotone), on

  • 03-04-2020 23:07:30 (UTC)
  • 04-04-2020 01:07:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.0820, 17.2340 at 21 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 9 62178 62178
Isola di Capo Rizzuto KR 18 17643 79821

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km E of Crotone (62178 inhabitants)
59 Km E of Catanzaro (90612 inhabitants)
80 Km E of Lamezia Terme (70714 inhabitants)
87 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 2.5 2020-04-03
23:07:30		 39.0823 17.2335 21 2020-07-18
21:08:42		 Bollettino Sismico Italiano INGV 81002381
Reviewed
Rev100 		ML 2.4 2020-04-03
23:07:31		 39.1205 17.1923 10 2020-04-03
23:21:29		 Sala Sismica INGV-Roma 77851621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-03 23:07:30 ± 0.28
Latitude 39.0823 ± 0.0108
Longitude 17.2335 ± 0.0232
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 81002381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1832
Semi-minor axis of confidence ellipse (meter) 1065
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) 1830.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 221
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.38131
Epicentral distance of station farthest from the epicenter (degree) 1.55133
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 81002381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-16 13:32:06

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 77851621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-03 23:21:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRAC.EHN. 2020-04-03T23:07:57.34 0.3 undecidable manual P 335 159.4182 54 0.87 49
OT.MASS.HHE. 2020-04-03T23:07:57.76 0.3 undecidable manual P 357 172.1943 54 -0.31 53
MN.CEL.HNZ. 2020-04-03T23:07:56.00 0.6 undecidable manual P 232 147.5412 54 1 32
OT.TAR1.HHZ. 2020-04-03T23:07:55.48 0.3 undecidable manual P 2 160.2174 54 -1.1 40
IV.SOI.EHN. 2020-04-03T23:07:55.96 0.3 undecidable manual P 223 151.6371 54 0.45 58
IV.GRI.EHZ. 2020-04-03T23:07:54.63 0.6 undecidable manual S 248 75.8685 99 0.77 39
YZ.POLL2.HHE. 2020-04-03T23:07:53.11 0.3 undecidable manual P 320 129.2706 95 0.76 56
IV.ORI.HHN. 2020-04-03T23:07:52.06 0.3 undecidable manual P 328 126.5733 95 0.12 67
IV.JOPP.HNN. 2020-04-03T23:07:52.87 0.3 undecidable manual P 246 127.872 95 0.74 55
IV.SALB.HHZ. 2020-04-03T23:07:51.09 0.3 undecidable manual P 320 116.3946 96 0.72 58
IV.FERC.HNN. 2020-04-03T23:07:50.23 0.3 undecidable manual P 234 118.3926 95 -0.45 63
IV.PIPA.HHZ. 2020-04-03T23:07:49.17 0.6 undecidable manual S 321 57.2982 103 0.18 50
XK.SELL.HHZ. 2020-04-03T23:07:49.10 0.6 undecidable manual S 258 53.3022 104 1.14 35
IV.TDS.HHZ. 2020-04-03T23:07:47.61 0.3 undecidable manual P 310 100.0221 97 -0.26 67
XK.ALB1.HNZ. 2020-04-03T23:07:47.98 0.6 undecidable manual S 263 55.2003 103 -0.47 48
IV.PLAC.HHZ. 2020-04-03T23:07:47.78 0.3 undecidable manual P 225 98.3238 97 0.19 69
XK.GIZZ.HHN. 2020-04-03T23:07:46.59 0.3 undecidable manual P 263 89.1441 98 0.4 67
IV.CAR1.HHZ. 2020-04-03T23:07:46.38 0.3 undecidable manual P 283 89.9433 97 0.06 72
IV.SERS.HHZ. 2020-04-03T23:07:45.41 0.6 undecidable manual S 264 47.2194 106 -0.98 40
IV.SPS2.HHZ. 2020-04-03T23:07:44.60 0.3 undecidable manual P 287 80.364 99 -0.25 70
MN.TIP.HHZ. 2020-04-03T23:07:44.37 0.6 undecidable manual S 285 42.3243 108 -0.76 43
IV.GRI.EHZ. 2020-04-03T23:07:43.90 0.1 undecidable manual P 248 75.8685 99 -0.28 94
IV.CELI.HHZ. 2020-04-03T23:07:43.23 0.3 undecidable manual P 300 71.6727 100 -0.31 70
IV.PIPA.HHZ. 2020-04-03T23:07:41.73 0.1 undecidable manual P 321 57.2982 103 0.37 97
XK.ALB1.HNZ. 2020-04-03T23:07:40.62 0.1 negative manual P 263 55.2003 103 -0.43 95
XK.SELL.HHZ. 2020-04-03T23:07:40.47 0.1 negative manual P 258 53.3022 104 -0.3 98
IV.SERS.HHZ. 2020-04-03T23:07:39.61 0.1 negative manual P 264 47.2194 106 -0.25 100
MN.TIP.HHZ. 2020-04-03T23:07:38.83 0.1 negative manual P 285 42.3243 108 -0.3 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TIP.HNN. ML:2.2 0.000535 0.66 AML other m 2020-04-03T23:07:46.43
MN.TIP.HHN. ML:2.2 0.0005124999999999999 1.18 AML other m 2020-04-03T23:07:48.88
IV.SERS.HNE. ML:2.6 0.0009615 1.42 AML other m 2020-04-03T23:07:48.25
IV.SERS.HHN. ML:2.6 0.001004 1.46 AML other m 2020-04-03T23:07:48.24
IV.SERS.HNN. ML:2.4 0.0006430077 1.216 AML other m 2020-04-03T23:07:49.98
MN.TIP.HHE. ML:2.4 0.0007195 1.1 AML other m 2020-04-03T23:07:49.98
MN.TIP.HNE. ML:2.4 0.000722 1.12 AML other m 2020-04-03T23:07:49.99
IV.SERS.HHE. ML:2.4 0.00063753675 0.3968 AML other m 2020-04-03T23:07:49.97
IV.PIPA.HNN. ML:2.4 0.0005155201499999999 0.4096 AML other m 2020-04-03T23:07:52.62
IV.PIPA.HHN. ML:2.6 0.0007566639 0.5248 AML other m 2020-04-03T23:07:54.10
IV.PIPA.HHE. ML:2.8 0.00122 0.66 AML other m 2020-04-03T23:07:54.40
IV.PIPA.HNE. ML:2.8 0.00126 0.64 AML other m 2020-04-03T23:07:54.40
IV.GRI.EHN. ML:2.6 0.000516 0.42 AML other m 2020-04-03T23:07:56.86
IV.SPS2.HHN. ML:2.0 0.00013758355 0.4992 AML other m 2020-04-03T23:07:57.65
IV.GRI.EHE. ML:2.6 0.000608 1.34 AML other m 2020-04-03T23:07:57.98
IV.SPS2.HHE. ML:2.1 0.00017299999999999998 0.44 AML other m 2020-04-03T23:08:00.91
IV.CAR1.HHN. ML:2.6 0.0005166644 0.5632 AML other m 2020-04-03T23:08:01.40
IV.CAR1.HHE. ML:2.6 0.00043563810000000005 0.6272 AML other m 2020-04-03T23:08:01.68
IV.CAR1.HNE. ML:2.6 0.00052501705 0.6144 AML other m 2020-04-03T23:08:01.68
IV.CAR1.HNN. ML:2.6 0.00046350000000000004 0.4 AML other m 2020-04-03T23:08:02.39
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