Earthquake with magnitude of ML 0.8 on date 28-09-2023 and time 02:47:40 (Italy) in region 4 km SW Morano Calabro (CS)

A magnitude ML 0.8 earthquake occured in region: 4 km SW Morano Calabro (CS), on

  • 28-09-2023 00:47:40 (UTC)
  • 28-09-2023 02:47:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.8240, 16.1010 at 11 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 4 4576 4576
San Basile CS 6 1055 5631
Saracena CS 7 3828 9459
Castrovillari CS 9 22240 31699
Lungro CS 9 2592 34291
Acquaformosa CS 11 1106 35397
Mormanno CS 12 3027 38424
Firmo CS 13 2115 40539
San Donato di Ninea CS 13 1360 41899
Frascineto CS 14 2154 44053
Altomonte CS 14 4488 48541
Rotonda PZ 15 3494 52035
Laino Castello CS 16 848 52883
Orsomarso CS 17 1265 54148
Viggianello PZ 17 3025 57173
Papasidero CS 17 734 57907
Verbicaro CS 18 3056 60963
Civita CS 18 902 61865
Laino Borgo CS 18 1921 63786
Cassano all'Ionio CS 19 18495 82281
San Sosti CS 19 2185 84466
Mottafollone CS 20 1236 85702

Municipalities with at least 50000 inhabitants

An earthquake occurred to
60 Km N of Cosenza (67546 inhabitants)
94 Km S of Potenza (67122 inhabitants)
96 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 0.8 2023-09-28
00:47:40
39.8242 16.1008 11 2023-09-28
01:04:57
Sala Sismica INGV-Roma 121528611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-28 00:47:40 ± 0.14
Latitude 39.8242 ± 0.0054
Longitude 16.1008 ± 0.0152
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121528611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1297
Semi-minor axis of confidence ellipse (meter) 441
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
Circular confidence region, given by single value of horizontal uncertainty (meter) 1300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 183
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.10432
Epicentral distance of station farthest from the epicenter (degree) 0.31566
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 121528611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-28 01:04:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CET2.HHZ. 2023-09-28T00:47:52.41 0.6 undecidable manual S 201 35.0427 50 -0.31 63
IV.CET2.HHZ. 2023-09-28T00:47:47.86 0.3 negative manual P 201 35.0427 50 0.18 97
XE.T0701.HHZ. 2023-09-28T00:47:47.88 0.6 undecidable manual S 4 18.0708 120 -0.17 67
XE.MORMA.HHZ. 2023-09-28T00:47:46.29 0.6 undecidable manual S 295 12.0768 131 -0.08 69
XE.T0702.HHZ. 2023-09-28T00:47:45.99 0.6 undecidable manual S 187 11.5773 133 -0.25 66
XE.T0701.HHZ. 2023-09-28T00:47:44.96 0.6 undecidable manual P 4 18.0708 120 -0.03 69
XE.T0702.HHZ. 2023-09-28T00:47:44.16 0.3 positive manual P 187 11.5773 133 0.22 100
XE.MORMA.HHZ. 2023-09-28T00:47:44.25 0.6 positive manual P 295 12.0768 131 0.23 66
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XE.MORMA.HHE. ML:1.0 0.00010935 0.2 AML other m 2023-09-28T00:47:46.68
XE.MORMA.HHN. ML:0.9 0.00008265 0.18 AML other m 2023-09-28T00:47:46.75
XE.T0701.HHE. ML:0.6 0.00003185 1.8 AML other m 2023-09-28T00:47:48.97
XE.T0701.HHN. ML:0.6 0.00003095 1.28 AML other m 2023-09-28T00:47:49.23
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