Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 30-07-2023 and time 04:03:50 (Italy) in region 2 km E Acquaformosa (CS)

A magnitude ML 2.0 earthquake occured in region: 2 km E Acquaformosa (CS), on

  • 30-07-2023 02:03:50 (UTC)
  • 30-07-2023 04:03:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.7230, 16.1090 at 9 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Acquaformosa CS 2 1106 1106
Lungro CS 3 2592 3698
Altomonte CS 3 4488 8186
San Donato di Ninea CS 5 1360 9546
Firmo CS 6 2115 11661
Saracena CS 7 3828 15489
Mottafollone CS 9 1236 16725
San Sosti CS 10 2185 18910
San Basile CS 11 1055 19965
Roggiano Gravina CS 13 7208 27173
Castrovillari CS 13 22240 49413
Morano Calabro CS 14 4576 53989
Malvito CS 14 1795 55784
Santa Caterina Albanese CS 16 1222 57006
Sant'Agata di Esaro CS 16 1890 58896
San Lorenzo del Vallo CS 17 3394 62290
Verbicaro CS 17 3056 65346
Tarsia CS 18 2054 67400
San Marco Argentano CS 18 7424 74824
Frascineto CS 18 2154 76978
Spezzano Albanese CS 18 7028 84006
Fagnano Castello CS 19 3885 87891
Orsomarso CS 19 1265 89156
Cassano all'Ionio CS 19 18495 107651
Buonvicino CS 20 2247 109898
Cervicati CS 20 829 110727

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km N of Cosenza (67546 inhabitants)
85 Km N of Lamezia Terme (70714 inhabitants)
100 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
Reviewed
Rev100 		ML 2.0 2023-07-30
02:03:50		 39.7233 16.1087 9 2023-07-30
02:39:05		 Sala Sismica INGV-Roma 119695531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-30 02:03:50 ± 0.05
Latitude 39.7233 ± 0.0027
Longitude 16.1087 ± 0.0035
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119695531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 336
Semi-minor axis of confidence ellipse (meter) 185
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 350
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.66370
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 20
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 60
Type of magnitude ML
Reference to an origin 119695531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-30 02:39:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
7C.SPAOL.HNZ. 2023-07-30T02:04:57.59 3.0 undecidable manual Sn -0.32 0
IV.GRI.EHZ. 2023-07-30T02:04:09.82 3.0 undecidable manual P 1.03 0
IV.MIGL.HHZ. 2023-07-30T02:04:08.45 3.0 positive manual P 0.13 0
IV.SERS.HHZ. 2023-07-30T02:04:06.72 3.0 negative manual P 0.02 0
IV.SLCN.HHZ. 2023-07-30T02:04:06.15 3.0 negative manual P 0.67 0
IV.MCEL.HHZ. 2023-07-30T02:04:03.41 0.6 undecidable manual P 339 71.6727 50 0.41 41
MN.CUC.HHZ. 2023-07-30T02:04:03.39 0.3 undecidable manual S 320 39.0276 50 -0.24 68
IV.BULG.HHZ. 2023-07-30T02:04:03.36 0.3 undecidable manual P 303 73.6707 50 0.05 66
IV.MTSN.HHZ. 2023-07-30T02:04:02.59 0.1 undecidable manual P 333 67.4769 50 0.23 86
IV.MGR.HHZ. 2023-07-30T02:04:01.89 0.3 undecidable manual P 314 65.8896 50 -0.23 65
XE.T0701.HHZ. 2023-07-30T02:04:00.46 0.3 undecidable manual S 1 29.1486 107 -0.35 68
IV.SIRI.HHZ. 2023-07-30T02:04:00.80 0.3 undecidable manual P 338 54.9006 50 0.38 64
IV.SALB.HHZ. 2023-07-30T02:04:00.66 0.6 undecidable manual S 50 26.4513 108 0.74 40
IV.CAR1.HHZ. 2023-07-30T02:04:00.44 0.3 undecidable manual P 170 52.9026 50 0.33 65
IV.SPS2.HHZ. 2023-07-30T02:03:59.59 0.3 undecidable manual P 158 51.8037 50 -0.36 65
IV.CELI.HHZ. 2023-07-30T02:03:59.46 0.1 undecidable manual P 136 49.3173 50 -0.11 92
IV.CET2.HHZ. 2023-07-30T02:03:59.31 0.3 undecidable manual S 211 25.2525 109 -0.22 70
IV.GRIS.EHZ. 2023-07-30T02:03:58.42 0.3 undecidable manual S 275 21.867 112 -0.01 74
XE.MORMA.HHZ. 2023-07-30T02:03:58.07 0.3 undecidable manual S 324 19.9689 114 0.25 70
XE.BIDON.HHZ. 2023-07-30T02:03:57.75 0.1 undecidable manual P 50 38.5281 50 -0.15 93
IV.TDS.HHZ. 2023-07-30T02:03:57.93 0.3 undecidable manual S 110 20.7681 113 -0.14 72
XE.FRASC.HHN. 2023-07-30T02:03:57.50 0.3 undecidable manual S 47 18.4704 115 0.14 72
MN.CUC.HHZ. 2023-07-30T02:03:57.66 0.1 undecidable manual P 320 39.0276 50 -0.32 89
XE.T0701.HHZ. 2023-07-30T02:03:56.12 0.1 undecidable manual P 1 29.1486 107 -0.23 93
XE.ZIDIL.HNN. 2023-07-30T02:03:56.23 0.3 undecidable manual S 63 14.4744 121 0.12 73
IV.SALB.HHZ. 2023-07-30T02:03:55.66 0.1 positive manual P 50 26.4513 108 -0.17 94
IV.CET2.HHZ. 2023-07-30T02:03:55.83 0.1 positive manual P 211 25.2525 109 0.22 93
IV.GRIS.EHZ. 2023-07-30T02:03:55.17 0.1 positive manual P 275 21.867 112 0.2 94
XE.MORMA.HHZ. 2023-07-30T02:03:54.80 0.1 positive manual P 324 19.9689 114 0.18 95
IV.TDS.HHZ. 2023-07-30T02:03:54.85 0.1 undecidable manual P 110 20.7681 113 0.09 97
XE.SHEVA.HNZ. 2023-07-30T02:03:54.85 0.3 undecidable manual S 26 11.3775 128 -0.38 69
XE.FRASC.HHN. 2023-07-30T02:03:54.38 0.1 undecidable manual P 47 18.4704 115 0.03 98
XE.SHEVA.HNZ. 2023-07-30T02:03:53.13 0.1 undecidable manual P 26 11.3775 128 0 100
XE.ZIDIL.HNN. 2023-07-30T02:03:53.74 0.1 undecidable manual P 63 14.4744 121 0.11 97
XE.T0702.HHE. 2023-07-30T02:03:53.11 0.1 undecidable manual S 263 2.1978 166 -0.27 96
XE.T0702.HHE. 2023-07-30T02:03:52.22 0.1 undecidable manual P 263 2.1978 166 0.16 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XE.SHEVA.HHE. ML:2.6 0.00492 0.52 AML other m 2023-07-30T02:03:55.20
XE.SHEVA.HNE. ML:2.3 0.00249 0.52 AML other m 2023-07-30T02:03:55.20
XE.SHEVA.HNN. ML:2.3 0.002285 0.48 AML other m 2023-07-30T02:03:55.63
XE.SHEVA.HHN. ML:2.6 0.0044399999999999995 0.44 AML other m 2023-07-30T02:03:55.63
IV.TDS.HHE. ML:1.6 0.00028799999999999995 0.36 AML other m 2023-07-30T02:03:58.41
IV.TDS.HHN. ML:1.6 0.00029 0.18 AML other m 2023-07-30T02:03:58.48
XE.MORMA.HNE. ML:2.2 0.001325 0.98 AML other m 2023-07-30T02:03:58.67
XE.MORMA.HHE. ML:2.2 0.001305 0.98 AML other m 2023-07-30T02:03:58.67
IV.GRIS.EHN. ML:2.1 0.000822 1.5 AML other m 2023-07-30T02:03:59.80
IV.GRIS.HNN. ML:2.1 0.0008520000000000001 1.32 AML other m 2023-07-30T02:03:59.71
IV.CET2.HHE. ML:2.3 0.001125 0.28 AML other m 2023-07-30T02:03:59.38
IV.GRIS.EHE. ML:2.0 0.0007880000000000001 0.98 AML other m 2023-07-30T02:04:00.03
IV.CET2.HHN. ML:2.6 0.00235 1.3 AML other m 2023-07-30T02:04:00.83
XE.MORMA.HHN. ML:2.1 0.0010105 0.66 AML other m 2023-07-30T02:04:00.37
XE.MORMA.HNN. ML:2.1 0.0010400000000000001 0.66 AML other m 2023-07-30T02:04:00.37
IV.GRIS.HNE. ML:2.0 0.0007170000000000001 1.1 AML other m 2023-07-30T02:04:00.76
IV.SALB.HHE. ML:2.3 0.00121 0.24 AML other m 2023-07-30T02:04:01.62
IV.SALB.HNE. ML:2.3 0.001125 0.24 AML other m 2023-07-30T02:04:01.62
IV.SALB.HHN. ML:2.0 0.0005535 0.96 AML other m 2023-07-30T02:04:02.54
IV.SALB.HNN. ML:2.0 0.000539 0.96 AML other m 2023-07-30T02:04:02.54
XE.T0701.HHE. ML:2.2 0.0008314999999999999 1.34 AML other m 2023-07-30T02:04:02.28
XE.T0701.HNE. ML:1.9 0.00042300000000000004 0.88 AML other m 2023-07-30T02:04:02.28
XE.T0701.HNN. ML:1.8 0.000332 1.66 AML other m 2023-07-30T02:04:03.99
XE.T0701.HHN. ML:2.1 0.0006905 1.66 AML other m 2023-07-30T02:04:03.16
MN.CUC.HHN. ML:1.8 0.000212 1.56 AML other m 2023-07-30T02:04:04.02
MN.CUC.HNN. ML:1.8 0.000202 1.56 AML other m 2023-07-30T02:04:04.02
MN.CUC.HHE. ML:2.0 0.00034199999999999996 0.7 AML other m 2023-07-30T02:04:05.33
XE.BIDON.HHE. ML:2.4 0.0009239999999999999 0.86 AML other m 2023-07-30T02:04:06.29
XE.BIDON.HNE. ML:2.4 0.0009515 0.86 AML other m 2023-07-30T02:04:06.29
MN.CUC.HNE. ML:2.0 0.00036199999999999996 1.42 AML other m 2023-07-30T02:04:06.84
XE.BIDON.HHN. ML:2.1 0.000512 1.56 AML other m 2023-07-30T02:04:06.09
XE.BIDON.HNN. ML:2.1 0.0004485 0.66 AML other m 2023-07-30T02:04:07.09
IV.SPS2.HHN. ML:1.5 0.00007264999999999999 1.78 AML other m 2023-07-30T02:04:08.98
IV.SPS2.HHE. ML:1.4 0.00006429999999999999 0.9 AML other m 2023-07-30T02:04:09.50
IV.CELI.HHN. ML:1.4 0.000060950000000000004 1.28 AML other m 2023-07-30T02:04:09.96
IV.SIRI.HHE. ML:2.0 0.000212 0.24 AML other m 2023-07-30T02:04:11.04
IV.SIRI.HNE. ML:2.0 0.00020999999999999998 0.24 AML other m 2023-07-30T02:04:11.04
IV.MGR.HHE. ML:1.7 0.00009805 0.22 AML other m 2023-07-30T02:04:12.40
IV.MGR.HHN. ML:1.8 0.00010515 0.28 AML other m 2023-07-30T02:04:13.78
IV.CAR1.HHN. ML:2.0 0.00022549999999999998 1.22 AML other m 2023-07-30T02:04:13.65
IV.SIRI.HNN. ML:1.9 0.00017099999999999998 0.58 AML other m 2023-07-30T02:04:14.63
IV.SIRI.HHN. ML:1.9 0.00019350000000000001 0.6 AML other m 2023-07-30T02:04:14.34
IV.CAR1.HHE. ML:2.0 0.00021800000000000004 1 AML other m 2023-07-30T02:04:14.63
IV.MTSN.HHN. ML:1.8 0.0001265 1.72 AML other m 2023-07-30T02:04:14.90
IV.MTSN.HNN. ML:1.9 0.0001435 0.4 AML other m 2023-07-30T02:04:14.91
IV.MTSN.HNE. ML:1.9 0.00013505 1.5 AML other m 2023-07-30T02:04:15.93
IV.CELI.HHE. ML:1.5 0.00007944999999999999 0.76 AML other m 2023-07-30T02:04:15.33
IV.MCEL.HHE. ML:1.8 0.00008965000000000001 0.66 AML other m 2023-07-30T02:04:18.30
IV.BULG.HHN. ML:2.0 0.00016499999999999997 0.92 AML other m 2023-07-30T02:04:18.50
IV.MCEL.HHN. ML:1.7 0.0000751 0.82 AML other m 2023-07-30T02:04:19.70
IV.BULG.HHE. ML:1.8 0.00010405000000000001 0.72 AML other m 2023-07-30T02:04:20.16
IV.SLCN.HHE. ML:1.9 0.0000973 0.4 AML other m 2023-07-30T02:04:22.64
IV.SERS.HHN. ML:1.8 0.0000645 0.48 AML other m 2023-07-30T02:04:23.38
IV.SERS.HHE. ML:1.6 0.000044149999999999996 0.28 AML other m 2023-07-30T02:04:23.57
IV.GRI.EHN. ML:1.9 0.00007500000000000001 0.34 AML other m 2023-07-30T02:04:23.89
IV.MTSN.HHE. ML:1.7 0.0000975 1.22 AML other m 2023-07-30T02:04:24.01
IV.GRI.EHE. ML:1.9 0.0000691 1.12 AML other m 2023-07-30T02:04:24.89
IV.MIGL.HHN. ML:2.2 0.000163 0.44 AML other m 2023-07-30T02:04:32.36
IV.SLCN.HHN. ML:1.7 0.00006634999999999999 1.58 AML other m 2023-07-30T02:04:35.91
IV.MIGL.HHE. ML:2.3 0.0001815 0.82 AML other m 2023-07-30T02:04:37.56
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