Earthquake with magnitude of ML 1.5 on date 22-07-2023 and time 21:42:34 (Italy) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 1.5 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 22-07-2023 19:42:34 (UTC)
  • 22-07-2023 21:42:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.9400, 16.0660 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
Falerna CZ 11 4028 4028
Gizzeria CZ 13 4982 9010
Nocera Terinese CZ 14 4731 13741
San Mango d'Aquino CZ 17 1564 15305
Serra d'Aiello CS 18 458 15763

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km W of Lamezia Terme (70714 inhabitants)
43 Km SW of Cosenza (67546 inhabitants)
46 Km W of Catanzaro (90612 inhabitants)
93 Km W of Crotone (62178 inhabitants)
94 Km NE of Messina (238439 inhabitants)
99 Km NE of Reggio di Calabria (183035 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 1.5 2023-07-22
19:42:34
38.9403 16.0662 17 2023-07-22
19:49:15
Sala Sismica INGV-Roma 119486521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-22 19:42:34 ± 0.12
Latitude 38.9403 ± 0.0054
Longitude 16.0662 ± 0.0104
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119486521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 747
Semi-minor axis of confidence ellipse (meter) 562
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 280
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.11691
Epicentral distance of station farthest from the epicenter (degree) 1.01803
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 20
Type of magnitude ML
Reference to an origin 119486521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-22 19:49:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IVPL.HHE. 2023-07-22T19:43:03.79 0.1 undecidable manual P 112.998 1.019 0
IV.CELI.HHZ. 2023-07-22T19:42:54.42 0.3 undecidable manual S 36 63.8916 96 0.09 68
IV.SOI.EHZ. 2023-07-22T19:42:51.04 0.1 undecidable manual P 181 96.2259 94 0.02 86
IV.SELL.HHZ. 2023-07-22T19:42:50.32 0.3 undecidable manual S 84 48.7179 99 0.01 70
IV.GRIS.EHZ. 2023-07-22T19:42:50.62 0.1 undecidable manual P 348 90.6426 94 0.45 80
IV.MSRU.HHZ. 2023-07-22T19:42:49.49 0.1 undecidable manual P 213 89.244 94 -0.46 78
IV.SPS2.HHZ. 2023-07-22T19:42:49.49 0.3 undecidable manual S 31 45.4212 99 0.04 71
XE.T0702.HHZ. 2023-07-22T19:42:49.40 0.1 undecidable manual P 1 86.6466 94 -0.15 85
IV.CAR1.HHZ. 2023-07-22T19:42:46.68 0.3 undecidable manual S 20 36.9297 103 -0.54 63
IV.CET2.HHZ. 2023-07-22T19:42:46.45 0.1 undecidable manual P 352 65.9895 96 0.07 91
IV.GRI.EHZ. 2023-07-22T19:42:45.76 0.3 undecidable manual S 113 33.2445 105 -0.51 63
IV.CELI.HHZ. 2023-07-22T19:42:45.93 0.1 undecidable manual P 36 63.8916 96 -0.13 89
IV.SELL.HHZ. 2023-07-22T19:42:44.07 0.1 undecidable manual P 84 48.7179 99 0.34 89
IV.SERS.HHZ. 2023-07-22T19:42:44.96 0.1 undecidable manual P 79 54.7008 97 0.31 89
IV.SPS2.HHZ. 2023-07-22T19:42:43.34 0.1 undecidable manual P 31 45.4212 99 0.1 94
IV.GIZZ.HHZ. 2023-07-22T19:42:41.31 0.3 undecidable manual S 70 12.9759 134 -0.14 72
IV.GRI.EHZ. 2023-07-22T19:42:41.60 0.1 undecidable manual P 113 33.2445 105 0.2 95
IV.CAR1.HHZ. 2023-07-22T19:42:41.83 0.1 undecidable manual P 20 36.9297 103 -0.12 94
IV.GIZZ.HHZ. 2023-07-22T19:42:38.73 0.1 undecidable manual P 70 12.9759 134 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIZZ.HHE. ML:2.3 0.0014900000000000002 0.22 AML other m 2023-07-22T19:42:41.87
IV.GIZZ.HHN. ML:2.3 0.001515 0.1 AML other m 2023-07-22T19:42:41.87
IV.GRI.EHN. ML:1.3 0.0000839 0.24 AML other m 2023-07-22T19:42:46.55
IV.GRI.EHE. ML:1.4 0.0001052 0.7 AML other m 2023-07-22T19:42:47.81
IV.CAR1.HHN. ML:1.7 0.0001875 0.22 AML other m 2023-07-22T19:42:48.89
IV.CAR1.HHE. ML:1.7 0.00016599999999999997 0.66 AML other m 2023-07-22T19:42:49.22
IV.SPS2.HHE. ML:1.2 0.0000445 0.2 AML other m 2023-07-22T19:42:51.50
IV.SELL.HHE. ML:0.9 0.00002155 0.28 AML other m 2023-07-22T19:42:51.65
IV.SPS2.HHN. ML:1.1 0.00003555 1.24 AML other m 2023-07-22T19:42:52.05
IV.SERS.HHN. ML:1.2 0.000034099999999999995 1.6 AML other m 2023-07-22T19:42:53.85
IV.SELL.HHN. ML:0.9 0.000020850000000000002 0.76 AML other m 2023-07-22T19:42:53.70
IV.CET2.HHN. ML:2.1 0.000216 1.5 AML other m 2023-07-22T19:42:55.24
IV.CET2.HHE. ML:1.9 0.00015 0.66 AML other m 2023-07-22T19:42:55.68
IV.CELI.HHN. ML:1.3 0.00004 0.22 AML other m 2023-07-22T19:42:55.63
IV.CELI.HHE. ML:1.3 0.000033799999999999995 0.22 AML other m 2023-07-22T19:42:56.31
IV.SERS.HHE. ML:1.0 0.000025500000000000003 1.22 AML other m 2023-07-22T19:42:57.01
IV.GRIS.EHN. ML:1.7 0.00005505 0.7 AML other m 2023-07-22T19:43:02.32
IV.MSRU.HHN. ML:1.8 0.00008005000000000001 0.68 AML other m 2023-07-22T19:43:03.63
IV.MSRU.HHE. ML:1.9 0.00008575 0.42 AML other m 2023-07-22T19:43:04.27
IV.GRIS.EHE. ML:1.7 0.0000563 0.72 AML other m 2023-07-22T19:43:04.56
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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