Earthquake with magnitude of ML 1.4 on date 04-04-2021 and time 02:53:28 (Italy) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 1.4 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 04-04-2021 00:53:28 (UTC)
  • 04-04-2021 02:53:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.369, 14.618 at 10 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
84 Km W of Messina (238439 inhabitants)
94 Km W of Reggio di Calabria (183035 inhabitants)
97 Km NW of Acireale (52622 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 1.4 2021-04-04
00:53:28
38.3687 14.6185 10 2021-07-12
16:55:13
Bollettino Sismico Italiano INGV 90642191
Reviewed
Rev100
ML 1.4 2021-04-04
00:53:28
38.3505 14.5878 10 2021-04-04
00:59:52
Sala Sismica INGV-Roma 88754261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-04 00:53:28 ± 0.16
Latitude 38.3687 ± 0.0072
Longitude 14.6185 ± 0.0080
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90642191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 719
Semi-minor axis of confidence ellipse (meter) 622
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
Circular confidence region, given by single value of horizontal uncertainty (meter) 720
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.19785
Epicentral distance of station farthest from the epicenter (degree) 0.61604
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 90642191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-30 23:31:12

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 88754261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-04 00:59:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MUCR.HHZ. 2021-04-04T00:53:42.43 0.6 undecidable manual S 148 0.3822 50 0.12 47
IV.MSFR.HHZ. 2021-04-04T00:53:40.37 0.6 undecidable manual S 184 0.3354 50 -0.54 43
IV.GIB.HHE. 2021-04-04T00:53:40.41 0.3 undecidable manual P 231 0.5998 50 0.36 64
IV.CSLB.HHZ. 2021-04-04T00:53:40.83 0.3 undecidable manual P 226 0.616 50 0.5 62
IV.PLLN.EHN. 2021-04-04T00:53:39.41 0.3 undecidable manual P 225 0.5297 50 0.56 62
IV.NOV.HHZ. 2021-04-04T00:53:39.26 0.3 undecidable manual P 130 0.5306 50 0.39 65
IV.IVPL.HHZ. 2021-04-04T00:53:39.65 0.6 undecidable manual S 88 0.2833 50 0.27 47
IV.IVGP.HHN. 2021-04-04T00:53:38.75 0.6 undecidable manual S 84 0.2698 50 -0.22 47
IV.MCPD.HHZ. 2021-04-04T00:53:38.49 0.6 undecidable manual S 160 0.2635 50 -0.31 47
IV.IACL.HHZ. 2021-04-04T00:53:38.48 0.6 undecidable manual S 309 0.2635 50 -0.31 47
IV.IFIL.HHZ. 2021-04-04T00:53:36.10 0.6 undecidable manual S 350 0.1979 113 -0.37 46
IV.MUCR.HHZ. 2021-04-04T00:53:36.27 0.3 undecidable manual P 148 0.3822 50 -0.06 72
IV.MSFR.HHZ. 2021-04-04T00:53:35.18 0.3 undecidable manual P 184 0.3354 50 -0.34 68
IV.IVPL.HHZ. 2021-04-04T00:53:34.69 0.6 undecidable manual P 88 0.2833 50 0.05 49
IV.IACL.HHZ. 2021-04-04T00:53:34.19 0.3 undecidable manual P 309 0.2635 50 -0.11 73
IV.IVGP.HHN. 2021-04-04T00:53:34.59 0.3 undecidable manual P 84 0.2698 50 0.19 71
IV.ILOS.HHZ. 2021-04-04T00:53:34.63 0.6 undecidable manual P 73 0.2698 50 0.23 47
IV.MCPD.HHZ. 2021-04-04T00:53:33.77 0.1 undecidable manual P 160 0.2635 50 -0.53 88
IV.IFIL.HHZ. 2021-04-04T00:53:32.98 0.1 undecidable manual P 350 0.1979 113 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IFIL.HHE. ML:1.9 0.0005605 0.3 AML other m 2021-04-04T00:53:38.63
IV.MCPD.HHE. ML:0.8 3.35E-5 1.2 AML other m 2021-04-04T00:53:39.29
IV.IACL.HHN. ML:1.8 0.0003245 0.22 AML other m 2021-04-04T00:53:39.99
IV.IACL.HHE. ML:1.6 0.000218 0.46 AML other m 2021-04-04T00:53:40.38
IV.IFIL.HHN. ML:1.5 0.000205 0.42 AML other m 2021-04-04T00:53:40.42
IV.MCPD.HHN. ML:1.1 6.465E-5 0.38 AML other m 2021-04-04T00:53:40.45
IV.MUCR.HHN. ML:1.3 5.77E-5 0.48 AML other m 2021-04-04T00:53:44.34
IV.MUCR.HHE. ML:1.1 4.105E-5 1.06 AML other m 2021-04-04T00:53:45.09
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