Earthquake with magnitude of ML 1.6 on date 23-05-2020 and time 16:20:10 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 1.6 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 23-05-2020 16:20:10 (UTC)
  • 23-05-2020 18:20:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.7290, 15.4530 at 5 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 NW 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 2020-05-23
16:20:10
39.7288 15.4527 5 2020-11-19
12:36:47
Bollettino Sismico Italiano INGV 80001871
Reviewed
Rev100
ML 1.7 2020-05-23
16:20:11
39.7048 15.4133 11 2020-05-23
16:32:40
Sala Sismica INGV-Roma 79485291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-23 16:20:10 ± 0.28
Latitude 39.7288 ± 0.0108
Longitude 15.4527 ± 0.0164
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80001871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1683
Semi-minor axis of confidence ellipse (meter) 194
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 1680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 220
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.17901
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 80001871
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-02 16:53:47

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 79485291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-23 16:32:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2020-05-23T16:20:52.85 3.0 positive manual Pn 0.09 0
IV.CELI.HHZ. 2020-05-23T16:20:41.44 0.6 undecidable manual S 111 97.3248 50 0.86 36
IV.SGO.HHE. 2020-05-23T16:20:39.07 0.6 undecidable manual S 352 93.0402 50 -0.38 43
IV.SCHR.EHE. 2020-05-23T16:20:34.67 0.6 undecidable manual S 45 74.37 50 0.21 46
IV.SERS.HNN. 2020-05-23T16:20:33.48 0.6 undecidable manual P 126 130.869 50 0.32 40
MN.TIP.HHN. 2020-05-23T16:20:32.68 0.6 undecidable manual P 118 127.3725 50 0.07 42
IV.CMPR.HHE. 2020-05-23T16:20:31.80 0.6 undecidable manual S 349 66.5778 50 -0.58 42
IV.CELI.HHZ. 2020-05-23T16:20:28.08 0.1 undecidable manual P 111 97.3248 50 0.1 90
IV.SGO.HHE. 2020-05-23T16:20:27.71 0.6 undecidable manual P 352 93.0402 50 0.39 43
IV.MMN.HHE. 2020-05-23T16:20:27.11 0.6 undecidable manual S 68 49.2174 50 -0.64 43
IV.CET2.HHZ. 2020-05-23T16:20:26.40 0.6 undecidable manual S 117 48.3183 50 -1.1 35
IV.SALB.HHE. 2020-05-23T16:20:25.10 0.3 undecidable manual P 78 77.8665 50 0.12 70
YZ.POLL2.HHZ.00 2020-05-23T16:20:25.08 0.6 undecidable manual P 68 74.0703 50 0.68 40
IV.CAR1.HHZ. 2020-05-23T16:20:25.99 0.3 undecidable manual P 129 83.6496 50 0.11 69
IV.SLCN.HNN. 2020-05-23T16:20:25.68 0.3 undecidable manual P 12 74.9694 50 1.15 49
IV.SCHR.EHE. 2020-05-23T16:20:24.69 0.3 undecidable manual P 45 74.37 50 0.25 68
IV.MCEL.HHZ. 2020-05-23T16:20:24.77 0.3 undecidable manual P 24 72.4719 50 0.62 62
IV.BULG.HHZ. 2020-05-23T16:20:24.32 0.6 undecidable manual S 351 39.3273 97 -0.17 49
IV.CMPR.HHE. 2020-05-23T16:20:22.69 0.3 undecidable manual P 349 66.5778 50 -0.55 64
IV.GRIS.EHE. 2020-05-23T16:20:22.69 0.6 undecidable manual S 88 34.1436 98 -0.05 51
IV.SIRI.HHE. 2020-05-23T16:20:22.57 0.3 undecidable manual P 35 61.3941 50 0.12 72
IV.MMN.HHE. 2020-05-23T16:20:20.31 0.3 undecidable manual P 68 49.2174 50 -0.26 71
IV.CET2.HHZ. 2020-05-23T16:20:19.92 0.1 undecidable manual P 117 48.3183 50 -0.5 91
IV.BULG.HHZ. 2020-05-23T16:20:18.58 0.1 undecidable manual P 351 39.3273 97 -0.11 100
IV.GRIS.EHE. 2020-05-23T16:20:17.50 0.1 undecidable manual P 88 34.1436 98 -0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BULG.HNN. ML:1.7 0.00017793734999999998 0.3072 AML other m 2020-05-23T16:20:25.52
IV.BULG.HHN. ML:1.7 0.00018325695 0.3072 AML other m 2020-05-23T16:20:25.52
IV.BULG.HNE. ML:1.7 0.00019 0.5 AML other m 2020-05-23T16:20:26.53
IV.BULG.HHE. ML:1.7 0.000191 0.48 AML other m 2020-05-23T16:20:26.28
IV.CET2.HHN. ML:1.8 0.0001713831 0.128 AML other m 2020-05-23T16:20:26.70
IV.CET2.HHE. ML:1.8 0.000156 0.2 AML other m 2020-05-23T16:20:28.40
IV.MCEL.HHN. ML:1.1 0.000021046085 0.2176 AML other m 2020-05-23T16:20:37.12
IV.MCEL.HHE. ML:1.2 0.000024817449999999997 0.4352 AML other m 2020-05-23T16:20:37.57
IV.CAR1.HHE. ML:1.7 0.000062087795 0.3584 AML other m 2020-05-23T16:20:38.28
IV.CAR1.HHN. ML:1.9 0.0000972 0.42 AML other m 2020-05-23T16:20:38.16
IV.CELI.HHN. ML:1.5 0.00003369999999999999 0.26 AML other m 2020-05-23T16:20:42.51
IV.CELI.HHE. ML:1.6 0.0000413 0.74 AML other m 2020-05-23T16:20:42.83
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