Earthquake with magnitude of ML 0.4 on date 27-09-2021 and time 03:04:36 (Italy) in region 6 km W Morano Calabro (CS)

A magnitude ML 0.4 earthquake occured in region: 6 km W Morano Calabro (CS), on

  • 27-09-2021 01:04:36 (UTC)
  • 27-09-2021 03:04:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.835, 16.069 at 8 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
Morano Calabro CS 6 4576 4576
San Basile CS 9 1055 5631
Mormanno CS 9 3027 8658
Saracena CS 10 3828 12486
Lungro CS 11 2592 15078
Castrovillari CS 12 22240 37318
Acquaformosa CS 13 1106 38424
Rotonda PZ 13 3494 41918
San Donato di Ninea CS 14 1360 43278
Laino Castello CS 14 848 44126
Orsomarso CS 14 1265 45391
Papasidero CS 15 734 46125
Viggianello PZ 16 3025 49150
Firmo CS 16 2115 51265
Laino Borgo CS 16 1921 53186
Altomonte CS 16 4488 57674
Verbicaro CS 16 3056 60730
Frascineto CS 17 2154 62884
Santa Domenica Talao CS 18 1263 64147
San Sosti CS 20 2185 66332

Municipalities with at least 50000 inhabitants

An earthquake occurred to
62 Km N of Cosenza (67546 inhabitants)
92 Km S of Potenza (67122 inhabitants)
98 Km N 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
Reviewed
Rev100
ML 0.4 2021-09-27
01:04:36
39.8347 16.0693 8 2021-09-27
12:18:52
Sala Sismica INGV-Roma 95946811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-27 01:04:36 ± 0.08
Latitude 39.8347 ± 0.0045
Longitude 16.0693 ± 0.0082
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 95946811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 611
Semi-minor axis of confidence ellipse (meter) 497
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 242
Circular confidence region, given by single value of horizontal uncertainty (meter) 610
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.08274
Epicentral distance of station farthest from the epicenter (degree) 0.38041
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 95946811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-27 12:18:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SIRI.HHZ. 2021-09-27T01:04:50.81 0.3 undecidable manual S 336 0.3804 50 -0.08 73
IV.CET2.HHZ. 2021-09-27T01:04:48.95 0.6 undecidable manual S 196 0.3184 103 -0.07 49
IV.CET2.HHZ. 2021-09-27T01:04:44.02 0.3 negative manual P 196 0.3184 103 0.31 70
IV.SIRI.HHZ. 2021-09-27T01:04:44.98 0.1 undecidable manual P 336 0.3804 50 0.18 95
IV.GRIS.EHZ. 2021-09-27T01:04:44.11 0.3 undecidable manual S 241 0.1907 110 -0.2 74
IV.SCHR.EHZ. 2021-09-27T01:04:44.22 0.1 undecidable manual P 1 0.3642 50 -0.31 93
IV.ORI.HHE. 2021-09-27T01:04:44.67 0.1 undecidable manual P 53 0.3633 50 0.16 96
IV.TDS.HHE. 2021-09-27T01:04:42.47 0.1 undecidable manual P 130 0.2698 105 -0.2 96
IV.GRIS.EHZ. 2021-09-27T01:04:41.11 0.6 positive manual P 241 0.1907 110 0.12 50
IV.MMN.HHZ. 2021-09-27T01:04:40.56 0.3 undecidable manual S 313 0.0827 131 -0.1 77
IV.MMN.HHZ. 2021-09-27T01:04:39.09 0.1 negative manual P 313 0.0827 131 0.2 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMN.HHN. ML:1.3 0.0002745 0.76 AML other m 2021-09-27T01:04:40.66
IV.MMN.HHE. ML:1 0.0001555 0.36 AML other m 2021-09-27T01:04:41.27
IV.GRIS.EHE. ML:0.1 9.1272855E-6 0.2 AML other m 2021-09-27T01:04:44.95
IV.GRIS.EHN. ML:0.1 1.037706E-5 0.16 AML other m 2021-09-27T01:04:44.50
IV.CET2.HHE. ML:0.6 1.4181465E-5 0.8 AML other m 2021-09-27T01:04:49.37
IV.CET2.HHN. ML:0.6 1.6588485E-5 0.38 AML other m 2021-09-27T01:04:49.17
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