Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 11-04-2020 and time 10:52:16 (UTC) in region Costa Ionica Crotonese (Crotone)

A magnitude ML 1.6 earthquake occured in region: Costa Ionica Crotonese (Crotone), on

  • 11-04-2020 10:52:16 (UTC)
  • 11-04-2020 12:52:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.8760, 16.9410 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
Botricello CZ 10 5220 5220
Isola di Capo Rizzuto KR 16 17643 22863
Cropani CZ 17 4778 27641
Sellia Marina CZ 17 7513 35154
Cutro KR 18 10541 45695
Marcedusa CZ 19 448 46143

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SW of Crotone (62178 inhabitants)
30 Km E of Catanzaro (90612 inhabitants)
55 Km E of Lamezia Terme (70714 inhabitants)
75 Km SE 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 1.6 2020-04-11
10:52:16		 38.8762 16.9407 9 2020-07-18
21:08:37		 Bollettino Sismico Italiano INGV 79403461
Reviewed
Rev100 		ML 1.6 2020-04-11
10:52:16		 38.8807 16.9812 11 2020-04-11
11:05:57		 Sala Sismica INGV-Roma 78105061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-11 10:52:16 ± 0.4
Latitude 38.8762 ± 0.0099
Longitude 16.9407 ± 0.0254
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79403461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2122
Semi-minor axis of confidence ellipse (meter) 1047
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 264
Circular confidence region, given by single value of horizontal uncertainty (meter) 2120.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 232
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.25271
Epicentral distance of station farthest from the epicenter (degree) 1.02343
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 79403461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-09 22:10:24

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 78105061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-11 11:05:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CELI.HHE. 2020-04-11T10:52:37.98 0.6 undecidable manual S 328 69.1752 50 -0.07 46
MN.CEL.HHE. 2020-04-11T10:52:36.04 0.3 undecidable manual P 233 113.5974 50 0.2 64
IV.CET2.HHE. 2020-04-11T10:52:35.18 0.1 undecidable manual P 311 111.4995 50 -0.32 82
IV.JOPP.HHZ. 2020-04-11T10:52:33.47 0.6 undecidable manual P 252 96.0261 50 0.34 43
XK.ALB1.HHE. 2020-04-11T10:52:29.52 0.6 undecidable manual S 299 33.8439 50 0.91 41
IV.CAR1.HHZ. 2020-04-11T10:52:29.68 0.3 undecidable manual P 304 75.4689 50 -0.28 67
MN.TIP.HHZ. 2020-04-11T10:52:29.61 0.3 undecidable manual S 335 37.1295 50 0.12 76
IV.PIPA.HHE. 2020-04-11T10:52:29.50 0.3 undecidable manual P 351 68.376 50 0.63 61
IV.CELI.HHE. 2020-04-11T10:52:28.85 0.3 undecidable manual P 328 69.1752 50 -0.14 70
IV.PLAC.HHZ. 2020-04-11T10:52:28.41 0.3 undecidable manual P 223 64.2912 50 0.18 70
IV.SERS.HHZ. 2020-04-11T10:52:27.32 0.3 undecidable manual S 309 28.0497 107 0.52 68
XK.SELL.HHZ. 2020-04-11T10:52:26.77 0.3 undecidable manual S 294 29.4483 107 -0.51 70
MN.TIP.HHZ. 2020-04-11T10:52:23.77 0.1 undecidable manual P 335 37.1295 50 -0.28 96
XK.ALB1.HHE. 2020-04-11T10:52:23.29 0.3 undecidable manual P 299 33.8439 50 -0.25 73
IV.SERS.HHZ. 2020-04-11T10:52:22.58 0.1 undecidable manual P 309 28.0497 107 0.08 100
XK.SELL.HHZ. 2020-04-11T10:52:22.56 0.1 undecidable manual P 294 29.4483 107 -0.21 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TIP.HNE. ML:1.4 0.0000875268 3.84 AML other m 2020-04-11T10:52:27.58
IV.SERS.HHN. ML:1.7 0.0002541977 0.2816 AML other m 2020-04-11T10:52:28.91
IV.SERS.HNE. ML:1.7 0.00024262815 0.3392 AML other m 2020-04-11T10:52:28.92
IV.SERS.HHE. ML:1.6 0.00022619325000000003 0.4224 AML other m 2020-04-11T10:52:29.37
IV.SERS.HNN. ML:1.6 0.0002193379 0.4032 AML other m 2020-04-11T10:52:29.38
MN.TIP.HHE. ML:1.2 0.00006516410000000001 0.864 AML other m 2020-04-11T10:52:30.36
MN.TIP.HHN. ML:1.2 0.00005254946500000001 0.3008 AML other m 2020-04-11T10:52:30.55
MN.TIP.HNN. ML:1.4 0.000094564775 1.9392 AML other m 2020-04-11T10:52:35.45
IV.PLAC.HNE. ML:1.5 0.000062648275 0.9984 AML other m 2020-04-11T10:52:41.40
IV.CAR1.HNE. ML:2.0 0.0001413806 1.2928 AML other m 2020-04-11T10:52:41.70
IV.CAR1.HHN. ML:1.8 0.0000949337 0.48 AML other m 2020-04-11T10:52:42.55
IV.PLAC.HHN. ML:1.5 0.00005535 1.4 AML other m 2020-04-11T10:52:42.80
IV.CAR1.HHE. ML:1.8 0.00009817577999999999 0.4416 AML other m 2020-04-11T10:52:43.02
IV.CAR1.HNN. ML:2.3 0.00027289054499999996 3.4944 AML other m 2020-04-11T10:52:46.53
IV.PLAC.HHE. ML:1.5 0.00005709414 0.48 AML other m 2020-04-11T10:52:46.18
IV.PLAC.HNN. ML:1.7 0.000082914095 1.4976 AML other m 2020-04-11T10:52:46.19
IV.JOPP.HHN. ML:1.4 0.00003083904 0.4416 AML other m 2020-04-11T10:52:49.79
IV.JOPP.HHE. ML:1.4 0.000026186405000000004 0.48 AML other m 2020-04-11T10:52:51.56
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