Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 30-01-2019 and time 01:31:48 (Italy) in region Costa Agrigentina (Agrigento)

A magnitude ML 2.3 earthquake occured in region: Costa Agrigentina (Agrigento), on

  • 30-01-2019 00:31:48 (UTC)
  • 30-01-2019 01:31:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.1960, 13.3350 at 29 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.

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
Realmonte AG 17 4571 4571
Siculiana AG 17 4547 9118

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SW of Agrigento (59770 inhabitants)
72 Km W of Caltanissetta (63360 inhabitants)
83 Km W of Gela (75827 inhabitants)
83 Km SE of Mazara del Vallo (51718 inhabitants)
100 Km S of Bagheria (55387 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 2.3 2019-01-30
00:31:48		 37.1965 13.3348 29 2019-08-22
08:24:50		 Bollettino Sismico Italiano INGV 65726821
Reviewed
Rev100 		ML 2.1 2019-01-30
00:31:48		 37.2332 13.3167 27 2019-01-30
00:51:44		 Sala Sismica INGV-Roma 65063091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-01-30 00:31:48 ± 0.34
Latitude 37.1965 ± 0.0225
Longitude 13.3348 ± 0.0215
Depth (km) 29 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65726821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2692
Semi-minor axis of confidence ellipse (meter) 1605
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 26
Circular confidence region, given by single value of horizontal uncertainty (meter) 2690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 217
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.27339
Epicentral distance of station farthest from the epicenter (degree) 1.50726
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 65726821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-06-06 23:45:00

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 65063091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-01-30 00:51:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGST.EHE. 2019-01-30T00:32:33.41 0.3 undecidable manual S 87 167.3103 54 0.15 54
IV.HAGA.HHE. 2019-01-30T00:32:32.05 0.3 undecidable manual S 86 161.0166 54 0.13 56
IV.CROCE.HHZ. 2019-01-30T00:32:21.91 0.6 undecidable manual S 110 113.6973 100 0.22 42
IV.HPAC.HHE. 2019-01-30T00:32:14.72 0.1 undecidable manual P 109 160.3173 54 1.24 50
IV.AGST.EHE. 2019-01-30T00:32:14.11 0.1 undecidable manual P 87 167.3103 54 -0.23 71
IV.HAGA.HHE. 2019-01-30T00:32:13.95 0.3 undecidable manual P 86 161.0166 54 0.38 53
IV.SSY.HHZ. 2019-01-30T00:32:12.49 0.3 undecidable manual P 91 153.735 54 -0.17 58
IV.HLNI.HHZ. 2019-01-30T00:32:09.53 0.1 undecidable manual P 82 136.7631 54 -1.01 60
IV.CROCE.HHZ. 2019-01-30T00:32:07.87 0.3 undecidable manual P 110 113.6973 100 0.21 63
IV.CLTA.HHZ. 2019-01-30T00:32:06.60 0.3 undecidable manual S 94 55.5999 112 -0.09 72
IV.CMDO.HHZ. 2019-01-30T00:32:06.00 0.1 undecidable manual S 55 52.3032 113 0.13 97
IV.MTGR.HHZ. 2019-01-30T00:32:04.88 0.3 undecidable manual P 327 92.4408 102 0.44 64
IV.RAFF.HHZ. 2019-01-30T00:32:02.95 0.1 undecidable manual P 88 90.8424 103 -1.25 58
IV.FAVR.HHE. 2019-01-30T00:32:01.31 0.1 undecidable manual S 75 30.3474 128 0.51 93
IV.CLTA.HHZ. 2019-01-30T00:31:59.05 0.1 positive manual P 94 55.5999 112 0.05 98
IV.CMDO.HHZ. 2019-01-30T00:31:58.12 0.1 undecidable manual P 55 52.3032 113 -0.41 90
IV.FAVR.HHE. 2019-01-30T00:31:55.51 0.1 negative manual P 75 30.3474 128 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CLTA.HHN. ML:1.8 0.00014137294999999999 0.92 AML other m 2019-01-30T00:32:09.52
IV.CROCE.HHE. ML:2.3 0.0001592788 0.42 AML other m 2019-01-30T00:32:23.99
IV.SSY.HHN. ML:3.1 0.0005885412999999999 0.2 AML other m 2019-01-30T00:32:35.69
IV.SSY.HHE. ML:2.7 0.0002155487605 0.66 AML other m 2019-01-30T00:32:37.66
IV.CLTA.HHE. ML:1.7 0.00009262098499999999 0.28 AML other m 2019-01-30T00:32:08.52
IV.CROCE.HHN. ML:2.3 0.0001605974 1.66 AML other m 2019-01-30T00:32:24.03
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