Earthquake with magnitude of ML 1.8 on date 04-04-2020 and time 06:19:11 (UTC) in region Mar Ionio Settentrionale (MARE)

A magnitude ML 1.8 earthquake occured in region: Mar Ionio Settentrionale (MARE), on

  • 04-04-2020 06:19:11 (UTC)
  • 04-04-2020 08:19:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.02, 17.39 at 8 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.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Crotone (62178 inhabitants)
70 Km E of Catanzaro (90612 inhabitants)
92 Km E of Lamezia Terme (70714 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 1.8 2020-04-04
06:19:11
39.02 17.39 8 2020-07-18
21:08:36
Bollettino Sismico Italiano INGV 79078501
Reviewed
Rev100
ML 1.7 2020-04-04
06:19:10
38.92 17.4 10 2020-04-04
06:34:08
Sala Sismica INGV-Roma 77860561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-04 06:19:11 ± 0.57
Latitude 39.02 ± 0.03
Longitude 17.39 ± 0.04
Depth (km) 8 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79078501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3150
Semi-minor axis of confidence ellipse (meter) 3010
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 226
Circular confidence region, given by single value of horizontal uncertainty (meter) 3150
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 276
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.51531
Epicentral distance of station farthest from the epicenter (degree) 1.03602
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 79078501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-16 10:33:16

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 77860561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-04 06:34:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CAR1.HHZ. 2020-04-04T06:19:43.23 0.3 undecidable manual S 285 0.9425 50 0.84 57
IV.CELI.HHZ. 2020-04-04T06:19:38.92 0.3 undecidable manual S 300 0.7833 50 1.25 48
IV.TDS.HHZ. 2020-04-04T06:19:31.43 0.6 undecidable manual P 309 1.036 50 0.61 41
XK.SELL.HHZ. 2020-04-04T06:19:31.26 0.3 undecidable manual S 267 0.5918 50 -0.73 64
IV.SERS.HHZ. 2020-04-04T06:19:30.94 0.3 undecidable manual S 272 0.5432 50 0.37 73
IV.PLAC.HHE. 2020-04-04T06:19:30.02 0.3 undecidable manual P 233 0.9317 50 0.99 53
IV.CAR1.HHZ. 2020-04-04T06:19:29.36 0.3 undecidable manual P 285 0.9425 50 0.14 70
MN.TIP.HHZ. 2020-04-04T06:19:28.79 0.3 undecidable manual S 289 0.5153 50 -0.94 59
IV.CELI.HHZ. 2020-04-04T06:19:26.04 0.3 undecidable manual P 300 0.7833 50 -0.45 68
IV.GRI.EHN. 2020-04-04T06:19:26.93 0.6 undecidable manual P 256 0.777 50 0.55 44
IV.PIPA.HHZ. 2020-04-04T06:19:24.17 0.3 undecidable manual P 317 0.6448 50 0.04 76
XK.ALB1.HNZ. 2020-04-04T06:19:23.31 0.3 undecidable manual P 271 0.6142 50 -0.28 73
XK.SELL.HHZ. 2020-04-04T06:19:22.98 0.1 undecidable manual P 267 0.5918 50 -0.22 99
IV.SERS.HHZ. 2020-04-04T06:19:22.15 0.1 negative manual P 272 0.5432 50 -0.24 100
MN.TIP.HHZ. 2020-04-04T06:19:21.37 0.1 undecidable manual P 289 0.5153 50 -0.53 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TIP.HNN. ML:1.7 0.000114127995 0.4384 AML other m 2020-04-04T06:19:30.56
MN.TIP.HNE. ML:1.8 0.000126175395 0.8608 AML other m 2020-04-04T06:19:31.98
MN.TIP.HHE. ML:1.7 0.0001097065 0.3808 AML other m 2020-04-04T06:19:31.98
IV.SERS.HNE. ML:2 0.00018346225 0.4384 AML other m 2020-04-04T06:19:32.16
IV.SERS.HHN. ML:2 0.000190631 0.4 AML other m 2020-04-04T06:19:32.37
IV.SERS.HHE. ML:1.8 0.000113377455 0.6016 AML other m 2020-04-04T06:19:34.35
MN.TIP.HHN. ML:1.6 7.7599235E-5 0.48 AML other m 2020-04-04T06:19:34.42
IV.SERS.HNN. ML:1.8 0.000128275015 0.5408 AML other m 2020-04-04T06:19:34.39
IV.CELI.HHE. ML:1.8 8.485012E-5 0.9216 AML other m 2020-04-04T06:19:39.80
IV.CELI.HNE. ML:1.8 8.092362E-5 0.9216 AML other m 2020-04-04T06:19:39.80
IV.CELI.HNN. ML:2.1 0.0001397637 0.8384 AML other m 2020-04-04T06:19:39.78
IV.CELI.HHN. ML:2 0.000134043645 0.8192 AML other m 2020-04-04T06:19:39.78
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download