Earthquake with magnitude of ML 2.2 on date 17-04-2023 and time 08:35:04 (Italy) in region Costa Agrigentina (Agrigento)

A magnitude ML 2.2 earthquake occured in region: Costa Agrigentina (Agrigento), on

  • 17-04-2023 06:35:04 (UTC)
  • 17-04-2023 08:35:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.4720, 12.9930 at 6 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sciacca AG 9 40928 40928
Menfi AG 14 12592 53520

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km SE of Mazara del Vallo (51718 inhabitants)
55 Km W of Agrigento (59770 inhabitants)
61 Km SE of Marsala (83194 inhabitants)
74 Km SE of Trapani (68759 inhabitants)
79 Km SW of Palermo (674435 inhabitants)
82 Km SW of Bagheria (55387 inhabitants)
94 Km W of Caltanissetta (63360 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 2023-04-17
06:35:04
37.4722 12.9927 6 2024-03-01
17:18:08
Bollettino Sismico Italiano INGV 117285311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-17 06:35:04 ± 0.21
Latitude 37.4722 ± 0.0108
Longitude 12.9927 ± 0.0091
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117285311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1198
Semi-minor axis of confidence ellipse (meter) 554
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 17
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 226
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.09713
Epicentral distance of station farthest from the epicenter (degree) 1.59180
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 117285311
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-26 10:15:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHZ. 2023-04-17T06:35:34.64 0.3 undecidable manual P 68 176.6898 50 0.48 0
IV.CSLB.HHZ. 2023-04-17T06:35:24.15 0.1 undecidable manual P 61 106.8153 50 0.76 0
IV.RESU.HHZ. 2023-04-17T06:35:22.22 0.6 undecidable manual P 78 95.5377 50 0.57 0
IV.MBFT.HHZ. 2023-04-17T06:35:22.74 0.6 undecidable manual S 356 52.7028 50 0.23 29
IV.MPG.HHE. 2023-04-17T06:35:21.02 0.3 undecidable manual P 23 82.9503 50 1.3 0
IV.CMDO.HHZ. 2023-04-17T06:35:21.09 0.3 undecidable manual P 90 73.0713 50 2.9 0
IV.LEVAN.EHZ. 2023-04-17T06:35:20.56 0.3 undecidable manual P 316 80.8635 50 1.17 0
IV.CIMI.HNE. 2023-04-17T06:35:19.26 0.3 undecidable manual P 48 68.2761 50 1.82 0
IV.ALJA.HHZ. 2023-04-17T06:35:19.56 0.3 undecidable manual P 65 73.5708 50 1.29 0
IV.ERC.EHZ. 2023-04-17T06:35:19.91 0.3 undecidable manual P 331 72.0723 50 1.87 0
IV.MARIO.HHE. 2023-04-17T06:35:17.68 0.3 undecidable manual P 36 65.9895 50 0.58 3
IV.CRJA.HHZ. 2023-04-17T06:35:17.40 0.6 undecidable manual S 2 36.5412 99 -0.32 47
IV.CORL.HHZ. 2023-04-17T06:35:15.98 0.3 undecidable manual P 30 54.2013 50 0.7 34
IV.MTGR.HHE. 2023-04-17T06:35:14.33 0.3 undecidable manual P 336 51.0156 50 -0.46 48
IV.MBFT.HHZ. 2023-04-17T06:35:14.69 0.1 undecidable manual P 356 52.7028 50 -0.36 57
IV.CRJA.HHZ. 2023-04-17T06:35:12.30 0.1 undecidable manual P 2 36.5412 99 0.02 100
IV.MFNL.HHE. 2023-04-17T06:35:12.49 0.1 undecidable manual P 350 35.8419 100 0.34 94
IV.CAVT.HHE. 2023-04-17T06:35:11.22 0.1 undecidable manual P 318 30.9468 101 0.04 100
IV.SCIAC.HHZ. 2023-04-17T06:35:09.18 0.6 undecidable manual S 63 10.7781 119 0.03 50
IV.SCIAC.HHZ. 2023-04-17T06:35:07.20 0.1 undecidable manual P 63 10.7781 119 -0.14 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRJA.HNN. ML:2.1 0.000577623 0.4896 AML other m 2023-04-17T06:35:22.49
IV.CRJA.HHN. ML:2.1 0.0005782682999999999 0.2592 AML other m 2023-04-17T06:35:22.50
IV.MBFT.HNE. ML:1.6 0.00011163748 0.4576 AML other m 2023-04-17T06:35:25.25
IV.CRJA.HHE. ML:2.2 0.00066240345 0.5024 AML other m 2023-04-17T06:35:26.13
IV.CRJA.HNE. ML:2.2 0.0006577422 0.4896 AML other m 2023-04-17T06:35:26.13
IV.MBFT.HNN. ML:1.8 0.00016983700000000002 2.9088 AML other m 2023-04-17T06:35:25.52
IV.MBFT.HHE. ML:2.2 0.0003804999999999999 0.58 AML other m 2023-04-17T06:35:28.67
IV.MBFT.HHN. ML:2.0 0.00024205640000000002 0.3968 AML other m 2023-04-17T06:35:28.85
IV.CORL.HNN. ML:2.3 0.0005004466 0.4192 AML other m 2023-04-17T06:35:33.40
IV.CORL.HHN. ML:2.3 0.0004813479 0.4192 AML other m 2023-04-17T06:35:33.40
IV.ERC.EHE. ML:2.2 0.00027767615 0.4608 AML other m 2023-04-17T06:35:33.55
IV.CORL.HNE. ML:2.3 0.00047463845 0.4192 AML other m 2023-04-17T06:35:34.07
IV.CORL.HHE. ML:2.3 0.00047247260000000003 0.4 AML other m 2023-04-17T06:35:34.08
IV.ERC.EHN. ML:2.1 0.00021634229999999998 0.7392 AML other m 2023-04-17T06:35:38.06
IV.CMDO.HHN. ML:2.3 0.00028446674999999997 0.7584 AML other m 2023-04-17T06:35:39.21
IV.CMDO.HNN. ML:2.2 0.00027388200000000003 0.4896 AML other m 2023-04-17T06:35:40.70
IV.CMDO.HHE. ML:2.3 0.00028300000000000005 1.1 AML other m 2023-04-17T06:35:40.71
IV.CMDO.HNE. ML:2.3 0.00029743885000000004 0.8992 AML other m 2023-04-17T06:35:40.72
IV.RESU.HHE. ML:2.2 0.0001523127 0.5024 AML other m 2023-04-17T06:35:44.06
IV.RESU.HNE. ML:1.9 0.000080344425 0.5312 AML other m 2023-04-17T06:35:46.81
IV.RESU.HNN. ML:2.0 0.00011125000000000001 0.58 AML other m 2023-04-17T06:35:47.19
IV.RESU.HHN. ML:2.3 0.0002155 0.58 AML other m 2023-04-17T06:35:47.18
IV.MUCR.HHN. ML:2.4 0.00008272493 1.04 AML other m 2023-04-17T06:36:01.33
IV.MUCR.HHE. ML:2.5 0.00010945995 1.9808 AML other m 2023-04-17T06:36:05.10
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