Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 20-05-2022 and time 23:55:04 (Italy) in region 2 km E Umbriatico (KR)

A magnitude ML 1.1 earthquake occured in region: 2 km E Umbriatico (KR), on

  • 20-05-2022 21:55:04 (UTC)
  • 20-05-2022 23:55:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.3480, 16.9340 at 23 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
Umbriatico KR 2 863 863
Pallagorio KR 5 1217 2080
Carfizzi KR 6 661 2741
Verzino KR 7 1851 4592
San Nicola dell'Alto KR 8 856 5448
Melissa KR 9 3549 8997
Crucoli KR 11 3115 12112
Casabona KR 11 2718 14830
Cirò KR 12 2936 17766
Campana CS 12 1813 19579
Scala Coeli CS 12 1014 20593
Terravecchia CS 13 823 21416
Strongoli KR 14 6571 27987
Savelli KR 14 1271 29258
Belvedere di Spinello KR 15 2297 31555
Mandatoriccio CS 16 2872 34427
Cariati CS 17 8355 42782
Castelsilano KR 17 1015 43797
Bocchigliero CS 17 1298 45095
Cirò Marina KR 17 14902 59997
Cerenzia KR 17 1152 61149
Rocca di Neto KR 18 5687 66836
Pietrapaola CS 19 1141 67977
Caccuri KR 19 1663 69640

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of Crotone (62178 inhabitants)
57 Km NE of Catanzaro (90612 inhabitants)
59 Km E of Cosenza (67546 inhabitants)
67 Km NE 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 1.1 2022-05-20
21:55:04		 39.3478 16.9342 23 2023-01-31
19:03:52		 Bollettino Sismico Italiano INGV 110791951
Reviewed
Rev100 		ML 1.2 2022-05-20
21:55:04		 39.3567 16.9748 25 2022-05-20
22:01:57		 Sala Sismica INGV-Roma 104924771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-20 21:55:04 ± 0.1
Latitude 39.3478 ± 0.0036
Longitude 16.9342 ± 0.0058
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 110791951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 460
Semi-minor axis of confidence ellipse (meter) 274
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 185
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.07285
Epicentral distance of station farthest from the epicenter (degree) 0.36512
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 104924771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-20 22:01:57

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 110791951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-10-13 16:10:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SERS.HHZ. 2022-05-20T21:55:18.25 0.6 undecidable manual S 211 40.5261 112 -0.19 45
IV.CELI.HHZ. 2022-05-20T21:55:17.62 0.6 undecidable manual S 280 36.9297 115 0.05 48
MN.TIP.HHZ. 2022-05-20T21:55:14.60 0.6 undecidable manual S 219 24.0537 128 0.01 49
IV.PIPA.HHZ. 2022-05-20T21:55:13.54 0.6 undecidable manual S 326 18.2706 136 0.09 49
IV.CELI.HHZ. 2022-05-20T21:55:12.01 0.1 undecidable manual P 280 36.9297 115 -0.04 94
IV.SERS.HHZ. 2022-05-20T21:55:12.64 0.1 undecidable manual P 211 40.5261 112 0.09 93
IV.LADO.EHZ. 2022-05-20T21:55:11.93 0.6 undecidable manual S 151 8.0808 158 -0.02 50
MN.TIP.HHZ. 2022-05-20T21:55:10.41 0.1 undecidable manual P 219 24.0537 128 0.08 96
IV.PIPA.HHZ. 2022-05-20T21:55:09.62 0.1 undecidable manual P 326 18.2706 136 -0.05 97
IV.LADO.EHZ. 2022-05-20T21:55:08.81 0.1 negative manual P 151 8.0808 158 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LADO.EHE. ML:1.5 0.0002095 0.26 AML other m 2022-05-20T21:55:12.25
IV.LADO.EHN. ML:1.4 0.0001505 0.56 AML other m 2022-05-20T21:55:13.50
IV.PIPA.HHN. ML:1.3 0.000112 1.36 AML other m 2022-05-20T21:55:13.99
IV.PIPA.HHE. ML:1.5 0.00016 0.26 AML other m 2022-05-20T21:55:14.19
MN.TIP.HHE. ML:1.0 0.00003800000000000001 1.08 AML other m 2022-05-20T21:55:15.28
MN.TIP.HHN. ML:0.6 0.0000213 0.72 AML other m 2022-05-20T21:55:15.89
IV.CELI.HHN. ML:0.8 0.0000187 1.6 AML other m 2022-05-20T21:55:18.05
IV.CELI.HHE. ML:0.8 0.00001845 0.42 AML other m 2022-05-20T21:55:18.54
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