Earthquake with magnitude of ML 1.1 on date 29-05-2023 and time 01:51:23 (Italy) in region Costa Calabra nord occidentale (Cosenza)

A magnitude ML 1.1 earthquake occured in region: Costa Calabra nord occidentale (Cosenza), on

  • 28-05-2023 23:51:23 (UTC)
  • 29-05-2023 01:51:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.3170, 16.0220 at 54 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
San Lucido CS 3 6047 6047
Paola CS 5 16013 22060
Falconara Albanese CS 7 1427 23487
Fiumefreddo Bruzio CS 10 2994 26481
San Fili CS 11 2719 29200
Fuscaldo CS 11 8140 37340
San Vincenzo La Costa CS 12 2195 39535
Longobardi CS 13 2312 41847
Marano Marchesato CS 13 3553 45400
Marano Principato CS 13 3180 48580
Rende CS 14 35338 83918
Cerisano CS 14 3196 87114
Castrolibero CS 15 9894 97008
San Benedetto Ullano CS 15 1555 98563
Montalto Uffugo CS 15 19669 118232
Mendicino CS 16 9450 127682
Guardia Piemontese CS 17 1911 129593
Belmonte Calabro CS 18 2003 131596
Carolei CS 18 3330 134926
Rota Greca CS 19 1156 136082
Lattarico CS 19 4013 140095
Domanico CS 20 943 141038
Lago CS 20 2624 143662

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km W of Cosenza (67546 inhabitants)
46 Km NW of Lamezia Terme (70714 inhabitants)
67 Km NW of Catanzaro (90612 inhabitants)
99 Km W of Crotone (62178 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
Reviewed
Rev100
ML 1.1 2023-05-28
23:51:23
39.3173 16.022 54 2023-05-29
00:02:18
Sala Sismica INGV-Roma 117830481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-28 23:51:23 ± 0.24
Latitude 39.3173 ± 0.0225
Longitude 16.0220 ± 0.0163
Depth (km) 54 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117830481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2639
Semi-minor axis of confidence ellipse (meter) 989
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 198
Circular confidence region, given by single value of horizontal uncertainty (meter) 2640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 230
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44247
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 117830481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-29 00:02:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RESU.HHZ. 2023-05-28T23:52:23.58 3.0 undecidable manual Sn -4.86 0
7C.SPAOL.HNZ. 2023-05-28T23:52:20.94 3.0 undecidable manual Sg 0.62 0
IV.EPZF.HHZ. 2023-05-28T23:52:15.30 3.0 undecidable manual Sg -1.05 0
IV.IOCA.HHZ. 2023-05-28T23:51:53.46 3.0 undecidable manual Pn -0.15 0
IV.CET2.HHZ. 2023-05-28T23:51:39.45 0.3 undecidable manual S 346 24.1536 151 0.13 77
IV.SPS2.HHZ. 2023-05-28T23:51:39.73 0.3 undecidable manual S 96 27.3504 147 0.05 76
IV.CAR1.HHZ. 2023-05-28T23:51:38.59 0.3 undecidable manual S 113 17.7711 158 -0.12 76
IV.GRIS.EHZ. 2023-05-28T23:51:34.51 0.6 positive manual P 343 49.1175 128 -0.19 47
IV.CELI.HHZ. 2023-05-28T23:51:34.08 0.1 undecidable manual P 77 42.8238 133 -0.02 99
IV.SPS2.HHZ. 2023-05-28T23:51:32.86 1.0 negative manual P 96 27.3504 147 0 25
IV.CAR1.HHZ. 2023-05-28T23:51:32.26 0.6 negative manual P 113 17.7711 158 -0.04 52
IV.CET2.HHZ. 2023-05-28T23:51:32.78 0.1 negative manual P 346 24.1536 151 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAR1.HHE. ML:1.2 0.0000392 0.62 AML other m 2023-05-28T23:51:39.37
IV.CAR1.HHN. ML:1.1 0.00003145 0.62 AML other m 2023-05-28T23:51:39.38
IV.CET2.HHN. ML:1.5 0.00007250000000000001 1.48 AML other m 2023-05-28T23:51:39.06
IV.CET2.HHE. ML:1.2 0.00003405 0.08 AML other m 2023-05-28T23:51:39.84
IV.SPS2.HHE. ML:0.7 0.000009615 0.82 AML other m 2023-05-28T23:51:40.23
IV.SPS2.HHN. ML:0.7 0.00000915 0.2 AML other m 2023-05-28T23:51:40.51
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