Earthquake with magnitude of ML 0.9 on date 11-12-2023 and time 23:15:33 (Italy) in region 9 km W Longobucco (CS)

A magnitude ML 0.9 earthquake occured in region: 9 km W Longobucco (CS), on

  • 11-12-2023 22:15:33 (UTC)
  • 11-12-2023 23:15:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.4620, 16.5020 at 16 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
Longobucco CS 9 3183 3183
Acri CS 11 20858 24041
San Giorgio Albanese CS 14 1432 25473
Corigliano Calabro CS 15 40427 65900
San Cosmo Albanese CS 15 591 66491
Vaccarizzo Albanese CS 15 1125 67616
San Demetrio Corone CS 17 3559 71175
Rossano CS 17 36842 108017
Paludi CS 17 1062 109079
Santa Sofia d'Epiro CS 18 2628 111707
Luzzi CS 18 9396 121103
Rose CS 19 4373 125476
Bisignano CS 19 10203 135679

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NE of Cosenza (67546 inhabitants)
56 Km N of Lamezia Terme (70714 inhabitants)
62 Km N of Catanzaro (90612 inhabitants)
68 Km NW 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 0.9 2023-12-11
22:15:33
39.4617 16.5025 16 2023-12-11
22:23:35
Sala Sismica INGV-Roma 123968461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-11 22:15:33 ± 0.04
Latitude 39.4617 ± 0.0018
Longitude 16.5025 ± 0.0023
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123968461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 168
Semi-minor axis of confidence ellipse (meter) 137
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 57
Circular confidence region, given by single value of horizontal uncertainty (meter) 170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
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) 0.05
Epicentral distance of station closest to the epicenter (degree) 0.05936
Epicentral distance of station farthest from the epicenter (degree) 0.42808
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:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 123968461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-11 22:23:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIPA.HHZ. 2023-12-11T22:15:43.05 0.3 undecidable manual S 84 26.9508 106 -0.01 78
IV.SPS2.HHZ. 2023-12-11T22:15:42.16 0.3 undecidable manual S 217 23.5542 110 -0.04 78
IV.TDS.HHZ. 2023-12-11T22:15:42.86 0.3 undecidable manual S 327 26.1516 107 0.01 78
IV.CET2.HHZ. 2023-12-11T22:15:42.04 0.3 negative manual P 279 47.5191 97 0.03 75
IV.LADO.EHZ. 2023-12-11T22:15:41.62 0.6 negative manual P 116 45.4212 98 -0.08 50
XE.T0702.HHZ. 2023-12-11T22:15:41.72 0.1 undecidable manual P 309 45.9207 98 -0.06 100
IV.PIPA.HHZ. 2023-12-11T22:15:38.98 0.6 positive manual P 84 26.9508 106 0.07 52
IV.SPS2.HHZ. 2023-12-11T22:15:38.52 0.6 positive manual P 217 23.5542 110 0.11 51
IV.TDS.HHZ. 2023-12-11T22:15:38.82 1.0 negative manual P 327 26.1516 107 0.03 26
IV.CELI.HHN. 2023-12-11T22:15:38.64 0.3 undecidable manual S 175 6.5934 152 -0.03 81
IV.CELI.HHN. 2023-12-11T22:15:36.43 0.3 undecidable manual P 175 6.5934 152 0.06 80
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SPS2.HHE. ML:0.7 0.0000318 0.46 AML other m 2023-12-11T22:15:43.62
IV.SPS2.HHN. ML:1.0 0.00004775 1.64 AML other m 2023-12-11T22:15:44.96
IV.PIPA.HHN. ML:1.1 0.00006715 0.92 AML other m 2023-12-11T22:15:45.63
IV.PIPA.HHE. ML:1.3 0.0000917 0.62 AML other m 2023-12-11T22:15:47.04
IV.TDS.HHE. ML:0.5 0.00001476509 0.1664 AML other m 2023-12-11T22:15:44.14
IV.TDS.HHN. ML:0.7 0.000022630715 0.256 AML other m 2023-12-11T22:15:44.15
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