Earthquake with magnitude of ML 2.0 on date 21-05-2020 and time 22:54:52 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.0 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 21-05-2020 20:54:52 (UTC)
  • 21-05-2020 22:54:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.7460, 13.0260 at 22 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ustica PA 15 1344 1344

Municipalities with at least 50000 inhabitants

An earthquake occurred to
76 Km NW of Palermo (674435 inhabitants)
85 Km NW of Bagheria (55387 inhabitants)
92 Km NE of Trapani (68759 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 2.0 2020-05-21
20:54:52
38.7457 13.0262 22 2020-11-19
12:36:47
Bollettino Sismico Italiano INGV 79996711
Reviewed
Rev100
ML 1.9 2020-05-21
20:54:52
38.7397 13.0183 21 2020-05-21
21:03:04
Sala Sismica INGV-Roma 79421991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-21 20:54:52 ± 0.21
Latitude 38.7457 ± 0.0099
Longitude 13.0262 ± 0.0092
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79996711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1002
Semi-minor axis of confidence ellipse (meter) 754
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 351
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 255
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.12501
Epicentral distance of station farthest from the epicenter (degree) 1.14304
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 79996711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-08 08:35:17

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 79421991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-21 21:03:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SCIAR.HHZ. 2020-05-21T20:55:23.76 1.0 undecidable manual S 145 109.2129 96 -0.22 20
IV.MBFT.HHE. 2020-05-21T20:55:18.17 0.6 undecidable manual S 184 88.9443 98 -0.43 40
IV.SOLUN.HHE. 2020-05-21T20:55:18.07 0.6 undecidable manual S 149 84.8484 99 0.55 39
IV.ERC.EHE. 2020-05-21T20:55:18.42 1.0 undecidable manual S 206 87.3459 98 0.24 21
IV.MPG.HHZ. 2020-05-21T20:55:13.70 0.6 undecidable manual S 156 70.9734 101 -0.17 44
IV.CSLB.HHZ. 2020-05-21T20:55:12.73 0.6 undecidable manual P 135 126.873 95 -0.53 36
IV.IACL.HHZ. 2020-05-21T20:55:11.71 0.3 undecidable manual P 101 117.4935 96 -0.11 61
IV.SCIAR.HHZ. 2020-05-21T20:55:10.89 0.3 undecidable manual P 145 109.2129 96 0.34 59
IV.SOLUN.HHE. 2020-05-21T20:55:07.00 0.3 undecidable manual P 149 84.8484 99 0.18 64
IV.ERC.EHE. 2020-05-21T20:55:07.07 0.3 undecidable manual P 206 87.3459 98 -0.13 64
IV.MBFT.HHE. 2020-05-21T20:55:07.57 0.3 undecidable manual P 184 88.9443 98 0.13 64
IV.MPG.HHZ. 2020-05-21T20:55:04.67 0.3 undecidable manual P 156 70.9734 101 -0.04 68
IV.USI.HHZ. 2020-05-21T20:55:00.17 0.3 undecidable manual S 108 13.875 143 0.03 74
IV.USI.HHZ. 2020-05-21T20:54:56.71 0.1 positive manual P 108 13.875 143 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.USI.HHN. ML:2.5 0.0018076384999999998 0.192 AML other m 2020-05-21T20:55:00.50
IV.MPG.HHE. ML:1.8 0.000093622595 0.2176 AML other m 2020-05-21T20:55:15.28
IV.MPG.HHN. ML:1.8 0.00011157122 0.3456 AML other m 2020-05-21T20:55:15.39
IV.SCIAR.HHE. ML:1.8 0.000052395995 0.3456 AML other m 2020-05-21T20:55:30.71
IV.SCIAR.HHN. ML:1.8 0.000057050715 0.4736 AML other m 2020-05-21T20:55:30.78
IV.SCIAR.HNE. ML:2.2 0.00014914546 0.6144 AML other m 2020-05-21T20:55:33.59
IV.IACL.HHE. ML:2.1 0.00009002661499999999 0.3584 AML other m 2020-05-21T20:55:35.30
IV.IACL.HHN. ML:2.3 0.00015245955 2.9696 AML other m 2020-05-21T20:55:34.85
IV.USI.HHE. ML:2.0 0.0007397981 0.192 AML other m 2020-05-21T20:55:01.44
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download