Earthquake with magnitude of ML 2.2 on date 12-08-2023 and time 04:35:36 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.2 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 12-08-2023 02:35:36 (UTC)
  • 12-08-2023 04:35:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.6550, 14.1530 at 9 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.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
85 Km NE of Bagheria (55387 inhabitants)
91 Km NE of Palermo (674435 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 2.2 2023-08-12
02:35:36
38.655 14.1533 9 2024-09-10
16:44:15
Bollettino Sismico Italiano INGV 120110031
Reviewed
Rev100
ML 2.2 2023-08-12
02:35:36
38.682 14.1497 8 2023-08-12
02:44:54
Sala Sismica INGV-Roma 120043011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-12 02:35:36 ± 0.25
Latitude 38.6550 ± 0.0135
Longitude 14.1533 ± 0.0092
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 120110031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1504
Semi-minor axis of confidence ellipse (meter) 477
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 3
Circular confidence region, given by single value of horizontal uncertainty (meter) 1500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 191
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.19965
Epicentral distance of station farthest from the epicenter (degree) 1.13045
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 120110031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-09-10 12:01:30

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 120043011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-12 02:44:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHZ. 2023-08-12T02:36:04.80 0.6 undecidable manual S 137 92.4408 50 0.28 44
IV.LIBRI.HHN. 2023-08-12T02:36:03.89 0.6 undecidable manual S 133 92.5407 50 -0.67 39
IV.SOLUN.HHE. 2023-08-12T02:36:01.00 0.6 undecidable manual S 221 82.5507 50 -0.89 36
IV.PLLN.EHN. 2023-08-12T02:36:00.20 0.6 undecidable manual S 181 73.4709 50 0.73 39
IV.CSLB.HNZ. 2023-08-12T02:36:00.80 0.6 undecidable manual S 186 80.0643 50 -0.42 43
IV.MSRU.HHZ. 2023-08-12T02:35:57.26 0.3 undecidable manual P 110 125.4744 50 -0.65 55
IV.ALJA.HHZ. 2023-08-12T02:35:55.59 0.3 undecidable manual P 199 106.4157 50 0.62 58
IV.MARIO.HNZ. 2023-08-12T02:35:53.83 0.3 undecidable manual P 219 99.8223 50 -0.14 66
IV.LIBRI.HHN. 2023-08-12T02:35:52.72 0.3 undecidable manual P 133 92.5407 50 -0.12 67
IV.MUCR.HHZ. 2023-08-12T02:35:52.23 0.3 undecidable manual P 137 92.4408 50 -0.59 60
IV.SOLUN.HHE. 2023-08-12T02:35:51.35 0.3 undecidable manual P 221 82.5507 50 0.05 70
IV.MPG.HHE. 2023-08-12T02:35:51.97 0.3 undecidable manual P 232 88.0452 50 -0.18 67
IV.USI.HHN. 2023-08-12T02:35:51.78 0.3 undecidable manual P 274 84.5487 50 0.17 68
IV.PLLN.EHN. 2023-08-12T02:35:50.72 0.3 undecidable manual P 181 73.4709 50 0.81 57
IV.CSLB.HNZ. 2023-08-12T02:35:50.80 0.1 undecidable manual P 186 80.0643 50 -0.12 92
IV.MSFR.HHZ. 2023-08-12T02:35:50.71 0.3 undecidable manual P 151 78.7656 50 -0.01 71
IV.IFIL.HHZ. 2023-08-12T02:35:50.30 0.6 undecidable manual S 105 37.9287 50 0.31 48
IV.GIB.HHZ. 2023-08-12T02:35:50.27 0.3 undecidable manual P 189 74.5698 50 0.19 69
3D.OEM8.HHN. 2023-08-12T02:35:49.80 0.3 undecidable manual P 107 69.375 50 0.53 64
IV.IACL.HHZ. 2023-08-12T02:35:45.30 0.6 undecidable manual S 128 22.1556 111 0.23 50
IV.IFIL.HHZ. 2023-08-12T02:35:44.45 0.3 undecidable manual P 105 37.9287 50 0.02 76
IV.IACL.HHZ. 2023-08-12T02:35:41.35 0.1 undecidable manual P 128 22.1556 111 -0.24 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IACL.HNE. ML:2.0 0.0007175 0.6 AML other m 2023-08-12T02:35:46.98
IV.IACL.HHN. ML:2.0 0.000737 0.96 AML other m 2023-08-12T02:35:49.01
IV.IACL.HHE. ML:2.1 0.0009085000000000001 0.78 AML other m 2023-08-12T02:35:49.43
IV.IACL.HNN. ML:2.1 0.0008539999999999999 0.94 AML other m 2023-08-12T02:35:49.03
IV.IFIL.HHE. ML:2.6 0.00156 1.24 AML other m 2023-08-12T02:35:54.12
IV.IFIL.HHN. ML:2.2 0.0006445000000000001 0.44 AML other m 2023-08-12T02:35:54.49
IV.GIB.HHE. ML:2.2 0.00026450000000000003 0.58 AML other m 2023-08-12T02:36:05.95
IV.GIB.HHN. ML:2.2 0.000253 0.48 AML other m 2023-08-12T02:36:08.95
IV.MUCR.HHN. ML:2.4 0.00028649999999999997 1.24 AML other m 2023-08-12T02:36:09.29
IV.MUCR.HHE. ML:2.2 0.00017199999999999998 0.7 AML other m 2023-08-12T02:36:10.16
IV.ALJA.HHE. ML:2.4 0.00022999999999999998 1.34 AML other m 2023-08-12T02:36:13.67
IV.ALJA.HHN. ML:2.3 0.0001855 0.42 AML other m 2023-08-12T02:36:13.46
IV.MSRU.HNN. ML:2.2 0.00010360406 1.1296 AML other m 2023-08-12T02:36:16.97
IV.MSRU.HHE. ML:2.0 0.00007149039 0.64 AML other m 2023-08-12T02:36:21.46
IV.MSRU.HHN. ML:1.8 0.000039337165 0.64 AML other m 2023-08-12T02:36:23.41
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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