Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 13-03-2021 and time 14:01:28 (Italy) in region Costa Calabra nord occidentale (Cosenza)

A magnitude ML 1.5 earthquake occured in region: Costa Calabra nord occidentale (Cosenza), on

  • 13-03-2021 13:01:28 (UTC)
  • 13-03-2021 14:01:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.2610, 15.9300 at 49 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
San Lucido CS 12 6047 6047
Fiumefreddo Bruzio CS 12 2994 9041
Falconara Albanese CS 14 1427 10468
Longobardi CS 14 2312 12780
Paola CS 15 16013 28793
Belmonte Calabro CS 17 2003 30796
Amantea CS 19 13975 44771
Fuscaldo CS 19 8140 52911

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km W of Cosenza (67546 inhabitants)
46 Km NW of Lamezia Terme (70714 inhabitants)
70 Km NW of Catanzaro (90612 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 1.5 2021-03-13
13:01:28		 39.2612 15.9303 49 2021-07-12
16:55:03		 Bollettino Sismico Italiano INGV 88278321
Reviewed
Rev100 		ML 1.6 2021-03-13
13:01:28		 39.2552 15.9783 52 2021-03-13
13:08:05		 Sala Sismica INGV-Roma 88082001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-13 13:01:28 ± 0.15
Latitude 39.2612 ± 0.0063
Longitude 15.9303 ± 0.0128
Depth (km) 49 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88278321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1074
Semi-minor axis of confidence ellipse (meter) 282
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 268
Circular confidence region, given by single value of horizontal uncertainty (meter) 1070.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.26800
Epicentral distance of station farthest from the epicenter (degree) 1.04951
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 88278321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-28 15:49:58

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 88082001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-13 13:08:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHE. 2021-03-13T13:02:01.06 0.6 undecidable manual S 198 116.4945 99 0.09 44
IV.SIRI.HHZ. 2021-03-13T13:01:57.98 0.6 undecidable manual S 357 102.3198 101 0.02 46
MN.CUC.HHE. 2021-03-13T13:01:53.06 0.6 undecidable manual S 353 81.8514 105 -0.61 41
MN.TIP.HHZ. 2021-03-13T13:01:52.06 0.3 undecidable manual S 97 71.7726 109 0.48 67
IV.MMN.HHE. 2021-03-13T13:01:51.06 0.6 undecidable manual S 4 70.0743 110 -0.18 47
IV.SERS.HHZ. 2021-03-13T13:01:51.19 0.6 undecidable manual S 111 69.8745 110 0 48
IV.JOPP.HHZ. 2021-03-13T13:01:51.60 0.6 undecidable manual S 183 72.6717 109 -0.17 47
IV.GRIS.HNE. 2021-03-13T13:01:48.29 0.6 undecidable manual S 353 53.6019 119 0.28 48
IV.MSRU.HHE. 2021-03-13T13:01:47.15 0.3 undecidable manual P 198 116.4945 99 -0.07 66
IV.CELI.HHZ. 2021-03-13T13:01:47.34 0.6 undecidable manual S 72 52.0035 120 -0.38 46
MN.CEL.HHZ. 2021-03-13T13:01:46.23 0.1 undecidable manual P 182 111.0999 99 -0.32 84
IV.SIRI.HHZ. 2021-03-13T13:01:45.34 0.3 undecidable manual P 357 102.3198 101 -0.14 67
IV.PLAC.HHE. 2021-03-13T13:01:45.52 0.3 undecidable manual P 154 100.122 101 0.3 65
IV.SPS2.HHZ. 2021-03-13T13:01:44.18 0.6 undecidable manual S 84 35.2425 135 -0.66 43
IV.GIZZ.HHZ. 2021-03-13T13:01:44.84 0.6 undecidable manual S 142 39.3273 131 -0.64 43
IV.CET2.HHZ. 2021-03-13T13:01:44.80 0.6 undecidable manual S 4 29.748 141 0.75 43
MN.TIP.HHZ. 2021-03-13T13:01:42.26 0.3 undecidable manual P 97 71.7726 109 0.46 66
MN.CUC.HHE. 2021-03-13T13:01:42.74 0.3 undecidable manual P 353 81.8514 105 -0.26 68
IV.SELL.HHZ. 2021-03-13T13:01:42.14 0.3 undecidable manual P 117 67.4769 111 0.84 58
IV.JOPP.HHZ. 2021-03-13T13:01:41.94 0.1 undecidable manual P 183 72.6717 109 0.03 96
IV.MMN.HHE. 2021-03-13T13:01:41.36 0.3 undecidable manual P 4 70.0743 110 -0.24 70
IV.SERS.HHZ. 2021-03-13T13:01:41.64 0.3 undecidable manual P 111 69.8745 110 0.06 73
IV.GRIS.HNE. 2021-03-13T13:01:40.05 0.1 undecidable manual P 353 53.6019 119 0.32 94
IV.CELI.HHZ. 2021-03-13T13:01:39.30 0.1 undecidable manual P 72 52.0035 120 -0.27 95
IV.TDS.HHZ. 2021-03-13T13:01:39.75 0.3 undecidable manual P 38 56.2992 117 -0.29 70
IV.GIZZ.HHZ. 2021-03-13T13:01:38.14 0.1 negative manual P 142 39.3273 131 -0.14 100
IV.SPS2.HHZ. 2021-03-13T13:01:37.67 0.1 undecidable manual P 84 35.2425 135 -0.24 98
IV.CET2.HHZ. 2021-03-13T13:01:37.96 0.1 undecidable manual P 4 29.748 141 0.51 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CET2.HHN. ML:1.8 0.0001227231 0.3776 AML other m 2021-03-13T13:01:44.84
IV.SPS2.HHN. ML:1.5 0.000061960725 0.1856 AML other m 2021-03-13T13:01:44.85
IV.CET2.HHE. ML:1.6 0.000080998825 0.064 AML other m 2021-03-13T13:01:44.87
IV.SPS2.HHE. ML:1.2 0.000030261555000000002 0.3392 AML other m 2021-03-13T13:01:45.02
IV.CELI.HHE. ML:1.0 0.000014818772000000001 0.2048 AML other m 2021-03-13T13:01:47.53
IV.CELI.HHN. ML:1.2 0.0000231770945 0.256 AML other m 2021-03-13T13:01:47.73
IV.JOPP.HHE. ML:1.4 0.000029962855000000004 0.1984 AML other m 2021-03-13T13:01:51.74
IV.JOPP.HHN. ML:1.4 0.00003245261 0.1792 AML other m 2021-03-13T13:01:51.76
IV.SIRI.HHN. ML:1.7 0.000039427945000000006 1.0816 AML other m 2021-03-13T13:01:58.61
IV.SIRI.HHE. ML:1.6 0.000029372285 0.48 AML other m 2021-03-13T13:01:58.64
IV.SIRI.HNN. ML:1.6 0.000034413595499999996 0.96 AML other m 2021-03-13T13:01:58.62
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