Earthquake with magnitude of ML 2.6 on date 04-03-2019 and time 18:35:14 (UTC) in region 3 km E Ragalna (CT)

A magnitude ML 2.6 earthquake occured in region: 3 km E Ragalna (CT), on

  • 04-03-2019 18:35:14 (UTC)
  • 04-03-2019 19:35:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6370, 14.9760 at 2 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
Ragalna CT 3 3924 3924
Belpasso CT 5 28108 32032
Nicolosi CT 5 7463 39495
Pedara CT 8 14102 53597
Santa Maria di Licodia CT 8 7641 61238
Camporotondo Etneo CT 8 5023 66261
San Pietro Clarenza CT 8 7743 74004
Paternò CT 9 48228 122232
Biancavilla CT 9 24007 146239
Trecastagni CT 9 10910 157149
Mascalucia CT 10 31958 189107
Tremestieri Etneo CT 11 20589 209696
Viagrande CT 11 8563 218259
Gravina di Catania CT 11 25838 244097
San Giovanni la Punta CT 12 23060 267157
Aci Bonaccorsi CT 13 3524 270681
Sant'Agata li Battiati CT 13 9479 280160
Adrano CT 13 36122 316282
Misterbianco CT 13 49410 365692
Zafferana Etnea CT 13 9517 375209
Motta Sant'Anastasia CT 14 12116 387325
Aci Sant'Antonio CT 14 17984 405309
San Gregorio di Catania CT 14 11966 417275
Valverde CT 15 7840 425115
Aci Catena CT 15 29851 454966
Santa Venerina CT 16 8592 463558
Milo CT 16 1087 464645
Acireale CT 17 52622 517267
Aci Castello CT 17 18723 535990
Catania CT 18 314555 850545
Sant'Alfio CT 19 1582 852127

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km W of Acireale (52622 inhabitants)
18 Km NW of Catania (314555 inhabitants)
70 Km NW of Siracusa (122291 inhabitants)
79 Km SW of Reggio di Calabria (183035 inhabitants)
80 Km SW of Messina (238439 inhabitants)
82 Km N of Ragusa (73313 inhabitants)
82 Km E of Caltanissetta (63360 inhabitants)
86 Km NE of Vittoria (63339 inhabitants)
88 Km N of Modica (54633 inhabitants)
90 Km NE of Gela (75827 inhabitants)
Recent and historical seismicity

These maps show the seismic activity in different time intervals, before the seismic event to which they refer. Data reported in the first two maps come from the analysis carried out in real time by the personnel of the INGV Operating Rooms, immediately after each earthquake. The third map shows data from 1985 to the date of the earthquake: the locations are reviewed by the seismological analysts of the INGV Italian Seismic Bulletin (Bollettino Sismico Italiano dell’INGV). The localization parameters (hypocentral coordinates and magnitude) are the best possible estimate with the data available to the INGV, but are constantly updated according to further data that become available. The location and magnitude parameters, subsequently reviewed by seismological analysts, may vary.

Earthquakes of the 3 days preceding this event

Earthquakes of the 3 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 0.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 72 hours preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes of the 90 days preceding this event

Earthquakes of the 90 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 2.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 90 days preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes from 1985 to the date of the event

Earthquakes from 1985 to the date of the event

This map shows the earthquake epicenters with magnitude ≥ 3.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, from 1985 to the date of this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2019

Earthquakes since 1000 AD until 2019

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version 3.0, https://doi.org/10.13127/cpti/cpti15.3) since 1000 AD until 2019. The size of the square indicates the different classes of magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The black and white star is the epicenter of the current earthquake.
Seismic hazard

Seismic hazard maps provide probabilistic estimates of the earthquake ground shaking exceeding a given threshold in a given geographic region within a given time window. Thus, it is not a deterministic prediction - a target that may be never reached given the complexity of the earthquake physical phenomenon - nor of the maximum expected earthquake since this has extremely low probabilities to occur.

In 2004, it was published the seismic hazard map of Italy (http://zonesismiche.mi.ingv.it) that provides a picture of the most hazardous geographic regions. The seismic hazard map of Italy (GdL MPS, 2004; rif. Ordinanza PCM del 28 aprile 2006, n. 3519, All. 1b) provides the 10% probability of exceedance in 50 years of the horizontal acceleration at rock sites (i.e., Vs30>800 m/s; cat. A, 3.2.1 of the D.M. 14.09.2005).

The colours indicate the various values of the ground acceleration that have 10% to be exceeded within 50 years. In general, the colours associated to low values of acceleration refer to areas that are less hazardous and stronger earthquakes repeat less frequently although they may still occur.

Seismic hazard map

Seismic hazard map

This map shows the seismic hazard map of Italy for the region where the earthquake occurred.
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of earthquake resentment in the area, expressed in terms of intensity on the MCS scale (Mercalli-Cancani-Sieberg). Intensities are determined using data from questionnaires collected on the website http://www.hsit.it. The intensities shown are determined considering all the reports received from each municipality, and are all the more reliable the greater the number of questionnaires. The collected data are subjected to an automatic statistical filter, but are not checked individually. In particular, intensities greater than or equal to the VI degree of the MCS or EMS scale require on-site verification by specialized personnel. The black star is the epicenter of the earthquake that occurred. This map is updated every time citizens fill out new questionnaires. The number of questionnaires processed to obtain this map, the date and time of the last update are shown at the top right.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 2.6 2019-03-04
18:35:14
37.6368 14.9757 2 2019-08-22
08:25:13
Bollettino Sismico Italiano INGV 71219051
Reviewed
Rev200
ML 2.6 2019-03-04
18:35:13
37.65 14.959 1 2019-03-04
18:58:01
Sala Operativa INGV-OE (Catania) 66169951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-03-04 18:35:14 ± 0.18
Latitude 37.6368 ± 0.0090
Longitude 14.9757 ± 0.0114
Depth (km) 2 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71219051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1100
Semi-minor axis of confidence ellipse (meter) 900
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 320
Circular confidence region, given by single value of horizontal uncertainty (meter) 1100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.73924
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.6

Field Value
Value 2.6
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 66169951
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2019-03-04 18:57:43

ML:2.6

Field Value
Value 2.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 71219051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-06 12:32:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IVPL.HHZ. 2019-03-04T18:35:30.04 1.0 undecidable manual P 0 82.0512 50 0.47 21
IV.MUCR.HHZ. 2019-03-04T18:35:30.60 1.0 undecidable manual S 349 45.9207 93 0.27 23
IV.NOV.HHZ. 2019-03-04T18:35:29.60 0.6 undecidable manual S 18 45.621 93 -0.61 42
IV.MPNC.HHZ. 2019-03-04T18:35:28.26 0.6 undecidable manual P 30 65.49 50 1.24 31
IV.CAGR.HHZ. 2019-03-04T18:35:24.58 1.0 undecidable manual P 268 41.8248 93 1.81 11
IV.NOV.HHZ. 2019-03-04T18:35:23.37 0.6 undecidable manual P 18 45.621 93 -0.15 48
IV.EPIT.HHN. 2019-03-04T18:35:23.00 0.6 undecidable manual S 20 20.5683 96 1.43 30
IV.MUCR.HHZ. 2019-03-04T18:35:23.09 0.3 undecidable manual P 349 45.9207 93 -0.49 66
IV.AIO.HHZ. 2019-03-04T18:35:22.75 0.3 undecidable manual P 31 43.4232 93 -0.33 69
IV.EMSG.HHZ. 2019-03-04T18:35:22.70 1.0 undecidable manual S 354 20.5683 96 1.17 17
IV.GALF.HHZ. 2019-03-04T18:35:22.59 0.6 undecidable manual P 283 36.8298 93 0.82 39
IV.HLNI.HHE. 2019-03-04T18:35:20.40 0.3 undecidable manual P 196 33.2445 94 -0.66 64
IV.ECTS.EHZ. 2019-03-04T18:35:19.76 0.6 undecidable manual P 25 30.0477 94 -0.65 43
IV.EPZF.HHZ. 2019-03-04T18:35:19.14 0.3 undecidable manual P 333 23.2545 95 0.09 75
IV.EPIT.HHN. 2019-03-04T18:35:18.40 0.1 undecidable manual P 20 20.5683 96 -0.13 100
IV.EPOZ.HHE. 2019-03-04T18:35:18.63 0.3 undecidable manual P 78 19.0698 97 0.41 71
IV.EMSG.HHZ. 2019-03-04T18:35:18.64 0.3 undecidable manual P 354 20.5683 96 0.13 75
IV.ESML.HHE. 2019-03-04T18:35:18.30 0.3 undecidable manual S 256 8.6802 104 0.8 63
IV.ENIC.HHE. 2019-03-04T18:35:17.10 0.6 undecidable manual S 99 4.0959 118 1.12 36
IV.EVRN.HNN. 2019-03-04T18:35:17.40 0.3 undecidable manual P 68 15.1737 98 -0.05 77
IV.ESLN.HHZ. 2019-03-04T18:35:16.90 0.6 undecidable manual S 359 6.2937 109 0.22 50
IV.ESML.HHE. 2019-03-04T18:35:15.60 0.1 undecidable manual P 256 8.6802 104 -0.57 92
IV.ENIC.HHE. 2019-03-04T18:35:15.21 0.3 undecidable manual P 99 4.0959 118 -0.09 78
IV.ESLN.HHZ. 2019-03-04T18:35:14.56 0.1 undecidable manual P 359 6.2937 109 -1.14 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESLN.HHN. ML:0.0 0.034194885 0.6272 AML other m 2019-03-04T18:35:18.92
IV.ESLN.HHE. ML:0.0 0.033117734999999995 0.4992 AML other m 2019-03-04T18:35:18.92
IV.EMSG.HHN. ML:2.6 0.0033231454999999997 0.5376 AML other m 2019-03-04T18:35:30.32
IV.EMSG.HHE. ML:2.8 0.004881375 0.6016 AML other m 2019-03-04T18:35:29.95
IV.EPZF.HHN. ML:2.7 0.0035377589999999997 0.7552 AML other m 2019-03-04T18:35:31.60
IV.EPZF.HHE. ML:2.6 0.0026518485 1.1904 AML other m 2019-03-04T18:35:30.76
IV.GALF.HHE. ML:2.9 0.0030174079999999996 0.6784 AML other m 2019-03-04T18:35:35.80
IV.GALF.HHN. ML:2.8 0.002375632 0.5632 AML other m 2019-03-04T18:35:43.07
IV.GALF.HNE. ML:2.0 0.00034932145000000003 0.6784 AML other m 2019-03-04T18:35:35.79
IV.GALF.HNN. ML:1.9 0.00032759194999999996 0.576 AML other m 2019-03-04T18:35:42.76
IV.CAGR.HHN. ML:2.3 0.0007362632499999999 0.448 AML other m 2019-03-04T18:35:49.23
IV.CAGR.HHE. ML:2.6 0.0013125234999999999 0.704 AML other m 2019-03-04T18:35:42.59
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions

The map reports the fault plane solutions for earthquakes in the region from 1977 to the date of this event. Red moment tensors are determined using the Regional Centroid Moment Tensor technique (RCMT, http://www.bo.ingv.it/RCMT) applied for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when a station azimuthal coverage exists RCMTs can be obtained also for earthquakes with magnitude down to 4.0. The gray moment tensors are obtained with the Time Domain Moment Tensor method (TDMT, /tdmt). This technique is applied to earthquakes with magnitude ML greater than 3.2, when it is possible. The size of symbols scales with the calculated moment magnitude Mw.
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