Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 23-02-2017 and time 11:29:11 (Italy) in region 4 km NE Morano Calabro (CS)

A magnitude ML 2.1 earthquake occured in region: 4 km NE Morano Calabro (CS), on

  • 23-02-2017 10:29:11 (UTC)
  • 23-02-2017 11:29:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.8690, 16.1730 at 11 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
Morano Calabro CS 4 4576 4576
San Basile CS 6 1055 5631
Castrovillari CS 7 22240 27871
Frascineto CS 8 2154 30025
Saracena CS 10 3828 33853
Civita CS 13 902 34755
San Lorenzo Bellizzi CS 14 644 35399
Viggianello PZ 14 3025 38424
Lungro CS 14 2592 41016
Rotonda PZ 15 3494 44510
Cassano all'Ionio CS 16 18495 63005
Mormanno CS 16 3027 66032
Terranova di Pollino PZ 16 1208 67240
Firmo CS 16 2115 69355
San Severino Lucano PZ 17 1563 70918
Acquaformosa CS 18 1106 72024
Cerchiara di Calabria CS 18 2385 74409
Laino Castello CS 19 848 75257
Francavilla Marittima CS 19 2910 78167
Altomonte CS 19 4488 82655
Laino Borgo CS 20 1921 84576

Municipalities with at least 50000 inhabitants

An earthquake occurred to
64 Km N of Cosenza (67546 inhabitants)
91 Km SE of Potenza (67122 inhabitants)
96 Km SW of Matera (60436 inhabitants)
100 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
Bulletin
Rev1000 		ML 2.1 2017-02-23
10:29:11		 39.8687 16.1733 11 2018-01-10
09:51:18		 Bollettino Sismico Italiano INGV 50640031
Reviewed
Rev100 		ML 2.0 2017-02-23
10:29:11		 39.8718 16.1678 11 2017-02-23
10:46:34		 Sala Sismica INGV-Roma 41538401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-02-23 10:29:11 ± 0.08
Latitude 39.8687 ± 0.0054
Longitude 16.1733 ± 0.0082
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 50640031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 690
Semi-minor axis of confidence ellipse (meter) 520
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.14209
Epicentral distance of station farthest from the epicenter (degree) 0.82288
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 41538401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-02-23 10:46:34

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 50640031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-10-02 17:35:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TIP.HNE. 2017-02-23T10:29:27.66 0.3 undecidable manual P 147 91.3419 50 0.54 59
IV.CET2.HHZ. 2017-02-23T10:29:25.19 0.3 undecidable manual S 206 42.1245 50 -0.12 72
IV.SCHR.EHZ. 2017-02-23T10:29:24.49 0.1 undecidable manual S 347 37.629 50 0.38 91
IV.CAR1.HHZ. 2017-02-23T10:29:24.26 0.3 undecidable manual P 177 68.376 50 0.69 59
IV.MCEL.HHZ. 2017-02-23T10:29:22.08 0.1 undecidable manual P 328 59.5959 50 -0.15 92
IV.MGR.HHZ. 2017-02-23T10:29:22.62 0.6 undecidable manual P 300 60.495 50 0.25 45
IV.ORI.HHZ. 2017-02-23T10:29:22.63 0.3 undecidable manual S 49 31.0467 50 0.27 71
IV.CELI.HHZ. 2017-02-23T10:29:22.48 0.3 undecidable manual P 151 59.0964 50 0.33 67
IV.TDS.HHZ. 2017-02-23T10:29:21.20 0.3 undecidable manual S 149 27.0507 50 -0.1 74
IV.MTSN.HHZ. 2017-02-23T10:29:21.60 0.3 undecidable manual P 321 56.7987 50 -0.19 69
IV.CET2.HHZ. 2017-02-23T10:29:19.21 0.1 undecidable manual P 206 42.1245 50 -0.31 92
IV.SIRI.HHZ. 2017-02-23T10:29:19.77 0.6 undecidable manual P 323 43.4232 50 0.04 49
IV.MMN.HHZ. 2017-02-23T10:29:18.42 0.1 undecidable manual S 279 15.7731 50 0.13 100
MN.CUC.HHE. 2017-02-23T10:29:18.10 0.1 undecidable manual P 295 33.4443 50 -0.09 98
IV.SCHR.EHZ. 2017-02-23T10:29:18.55 0.3 undecidable manual P 347 37.629 50 -0.28 70
IV.ORI.HHZ. 2017-02-23T10:29:17.28 0.1 undecidable manual P 49 31.0467 50 -0.54 89
IV.TDS.HHZ. 2017-02-23T10:29:16.92 0.1 undecidable manual P 149 27.0507 50 -0.28 95
IV.MMN.HHZ. 2017-02-23T10:29:15.45 0.3 undecidable manual P 279 15.7731 50 -0.02 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMN.HHE. ML:2.2 0.001355 0.16 AML other m 2017-02-23T10:29:19.44
IV.MMN.HHN. ML:2.3 0.00174 0.58 AML other m 2017-02-23T10:29:19.25
IV.TDS.HHN. ML:1.6 0.000225 0.5 AML other m 2017-02-23T10:29:22.29
IV.SCHR.EHN. ML:1.8 0.00022250000000000004 0.88 AML other m 2017-02-23T10:29:24.43
IV.TDS.HHE. ML:1.5 0.000169 0.94 AML other m 2017-02-23T10:29:25.47
IV.ORI.HHE. ML:2.8 0.0027949999999999997 0.86 AML other m 2017-02-23T10:29:25.10
IV.ORI.HHN. ML:2.8 0.0031950000000000004 0.36 AML other m 2017-02-23T10:29:25.74
MN.CUC.HHN. ML:1.9 0.00035999999999999997 1.38 AML other m 2017-02-23T10:29:26.92
MN.CUC.HNN. ML:1.8 0.000288 1.36 AML other m 2017-02-23T10:29:26.92
IV.CET2.HHN. ML:2.3 0.0006374999999999999 0.28 AML other m 2017-02-23T10:29:27.92
IV.CET2.HHE. ML:2.3 0.0006435 0.2 AML other m 2017-02-23T10:29:27.92
MN.CUC.HNE. ML:2.0 0.00041799999999999997 0.64 AML other m 2017-02-23T10:29:29.73
MN.CUC.HHE. ML:2.1 0.0004925000000000001 0.64 AML other m 2017-02-23T10:29:29.73
IV.SCHR.EHE. ML:1.8 0.00023449999999999998 0.42 AML other m 2017-02-23T10:29:30.65
IV.SIRI.HHE. ML:2.2 0.0005115 0.38 AML other m 2017-02-23T10:29:30.52
IV.SIRI.HNE. ML:2.2 0.0005005 0.38 AML other m 2017-02-23T10:29:30.71
IV.SIRI.HHN. ML:2.2 0.0004435 0.24 AML other m 2017-02-23T10:29:31.47
IV.SIRI.HNN. ML:2.2 0.00043500000000000006 0.22 AML other m 2017-02-23T10:29:31.47
IV.CRAC.EHN. ML:2.2 0.000299 1.46 AML other m 2017-02-23T10:29:34.09
IV.CRAC.EHE. ML:2.2 0.00030500000000000004 1.26 AML other m 2017-02-23T10:29:34.16
IV.CAR1.HHN. ML:2.0 0.00019250000000000002 0.34 AML other m 2017-02-23T10:29:36.08
IV.CELI.HHE. ML:2.0 0.0002035 0.58 AML other m 2017-02-23T10:29:36.36
IV.CELI.HHN. ML:2.0 0.00020600000000000002 0.56 AML other m 2017-02-23T10:29:36.52
IV.MTSN.HHE. ML:1.9 0.0001715 1.14 AML other m 2017-02-23T10:29:37.06
IV.MCEL.HHE. ML:2.0 0.000192 0.5 AML other m 2017-02-23T10:29:37.48
IV.MCEL.HHN. ML:1.8 0.0001445 1.46 AML other m 2017-02-23T10:29:39.07
IV.CAR1.HHE. ML:2.1 0.00023249999999999999 0.38 AML other m 2017-02-23T10:29:39.54
IV.MTSN.HHN. ML:1.9 0.0001735 1.54 AML other m 2017-02-23T10:29:40.03
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
Waveforms Seismic signals in miniseed + resp format Download