Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 07-07-2019 and time 02:34:25 (UTC) in region Tirreno Centrale (MARE)

A magnitude ML 2.4 earthquake occured in region: Tirreno Centrale (MARE), on

  • 07-07-2019 02:34:25 (UTC)
  • 07-07-2019 04:34:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8590, 11.3170 at 27 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.

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Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km SW of Civitavecchia (52991 inhabitants)
77 Km W of Fiumicino (78395 inhabitants)
90 Km SW of Viterbo (67173 inhabitants)
97 Km W of Roma (2864731 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 2.4 2019-07-07
02:34:25		 41.8593 11.3173 27 2019-11-13
14:30:55		 Bollettino Sismico Italiano INGV 70679351
Reviewed
Rev100 		ML 2.3 2019-07-07
02:34:23		 41.7952 11.2405 26 2019-07-07
02:46:33		 Sala Sismica INGV-Roma 70309001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-07 02:34:25 ± 0.12
Latitude 41.8593 ± 0.0072
Longitude 11.3173 ± 0.0109
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 70679351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 819
Semi-minor axis of confidence ellipse (meter) 780
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 316
Circular confidence region, given by single value of horizontal uncertainty (meter) 820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.00819
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 70309001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-07 02:46:33

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 70679351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-18 11:14:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.DGI.HHZ. 2019-07-07T02:35:21.52 1.0 undecidable manual S 220 222.9102 54 -0.52 12
IV.AGLI.HHZ. 2019-07-07T02:35:15.84 0.3 undecidable manual S 246 195.8595 54 -0.35 46
FR.SMPL.HHZ.00 2019-07-07T02:35:11.00 1.0 undecidable manual S 280 169.5969 54 0.46 18
IV.MGAB.HHZ. 2019-07-07T02:35:03.33 3.0 undecidable manual S 29 133.7661 54 0.51 0
IV.DGI.HHZ. 2019-07-07T02:34:58.88 0.3 undecidable manual P 220 222.9102 54 0.94 33
IV.ARCI.HHZ. 2019-07-07T02:34:57.81 0.6 undecidable manual S 7 110.9001 99 0.4 42
IV.PII.HHZ. 2019-07-07T02:34:57.53 1.0 undecidable manual P 343 216.4167 54 0.4 14
IV.CASP.HHZ. 2019-07-07T02:34:57.37 0.6 undecidable manual S 340 109.8123 99 0.25 44
TV.SF01.EHZ. 2019-07-07T02:34:56.93 0.6 undecidable manual S 11 107.6145 100 0.39 43
TV.SF03.EHE. 2019-07-07T02:34:56.71 1.0 undecidable manual S 16 108.9132 99 -0.19 23
IV.INTR.HHZ. 2019-07-07T02:34:56.85 0.1 undecidable manual P 85 214.119 54 0 61
IV.AGLI.HHZ. 2019-07-07T02:34:54.95 0.1 undecidable manual P 246 195.8595 54 0.39 63
TV.SF14.HHE. 2019-07-07T02:34:54.63 1.0 undecidable manual S 14 102.3198 100 -0.53 21
IV.LATE.HHZ. 2019-07-07T02:34:52.86 0.6 undecidable manual S 25 92.7405 101 0.22 45
FR.SMPL.HHZ.00 2019-07-07T02:34:51.71 0.3 undecidable manual P 280 169.5969 54 0.41 54
IV.BARO.EHZ. 2019-07-07T02:34:47.67 0.3 undecidable manual S 54 74.2701 104 -0.16 74
IV.TRIF.CHZ. 2019-07-07T02:34:47.79 0.3 undecidable manual P 0.14 64
IV.MGAB.HHZ. 2019-07-07T02:34:46.64 0.1 undecidable manual P 29 133.7661 54 -0.2 85
IV.MAON.HHZ. 2019-07-07T02:34:45.51 0.3 undecidable manual S 346 64.9905 107 0.07 75
IV.SACS.HHZ. 2019-07-07T02:34:45.05 0.1 undecidable manual P 24 119.991 98 -0.07 91
IV.ARCI.HHZ. 2019-07-07T02:34:44.37 0.1 undecidable manual P 7 110.9001 99 0.65 78
TV.SF11.HHE. 2019-07-07T02:34:44.74 0.1 undecidable manual P 15 115.7952 99 0.27 87
IV.TOLF.HHZ. 2019-07-07T02:34:44.35 0.6 undecidable manual S 68 60.6948 108 -0.01 51
IV.RIBO.EHZ. 2019-07-07T02:34:44.99 0.1 undecidable manual P 350 122.8881 54 -0.5 82
IV.CASP.HHZ. 2019-07-07T02:34:43.12 0.1 undecidable manual P 340 109.8123 99 -0.43 85
TV.SF01.EHZ. 2019-07-07T02:34:43.70 0.1 undecidable manual P 11 107.6145 100 0.48 84
TV.SF03.EHE. 2019-07-07T02:34:43.59 0.3 undecidable manual P 16 108.9132 99 0.17 67
TV.SF04.EHZ. 2019-07-07T02:34:43.74 0.1 undecidable manual P 14 111.8991 99 -0.13 91
TV.SF14.HHE. 2019-07-07T02:34:42.03 0.1 undecidable manual P 14 102.3198 100 -0.39 88
IV.MCIV.CHZ. 2019-07-07T02:34:42.81 0.3 undecidable manual P -0.27 67
IV.LATE.HHZ. 2019-07-07T02:34:41.10 0.1 undecidable manual P 25 92.7405 101 0.13 93
IV.BARO.EHZ. 2019-07-07T02:34:38.17 0.1 undecidable manual P 54 74.2701 104 -0.02 99
IV.TOLF.HHZ. 2019-07-07T02:34:36.02 0.1 undecidable manual P 68 60.6948 108 -0.17 100
IV.MAON.HHZ. 2019-07-07T02:34:36.24 0.1 negative manual P 346 64.9905 107 -0.57 89
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TOLF.HHE. ML:2.6 0.0007872660499999999 0.2608 AML other m 2019-07-07T02:34:45.56
IV.MAON.HHE. ML:2.8 0.0009960253500000001 0.1792 AML other m 2019-07-07T02:34:45.67
IV.MAON.HHN. ML:2.6 0.0007832364 0.16 AML other m 2019-07-07T02:34:45.64
IV.TOLF.HHN. ML:2.5 0.0005475877 1.8384 AML other m 2019-07-07T02:34:46.02
IV.BARO.HNE. ML:2.7 0.00073208335 0.32 AML other m 2019-07-07T02:34:50.64
IV.LATE.HHN. ML:2.4 0.00027385775 0.32 AML other m 2019-07-07T02:34:54.82
IV.CASP.HHE. ML:2.2 0.00013919730000000002 0.24 AML other m 2019-07-07T02:34:59.15
TV.SF01.EHN. ML:2.4 0.00021979509999999999 0.4208 AML other m 2019-07-07T02:34:59.38
IV.CASP.HHN. ML:2.3 0.00015851795000000003 0.24 AML other m 2019-07-07T02:35:00.31
TV.SF01.EHE. ML:2.3 0.00017855514 1.5392 AML other m 2019-07-07T02:35:03.97
IV.RIBO.EHE.01 ML:2.4 0.00018621245 0.2608 AML other m 2019-07-07T02:35:05.52
IV.MGAB.HHN. ML:1.8 0.000033743995 0.3792 AML other m 2019-07-07T02:35:09.68
IV.MGAB.HHE. ML:1.8 0.000040542565000000005 0.3392 AML other m 2019-07-07T02:35:13.19
IV.AGLI.HHE. ML:1.9 0.000024892805 0.1392 AML other m 2019-07-07T02:35:16.20
IV.AGLI.HHN. ML:1.8 0.000018588480000000002 0.12 AML other m 2019-07-07T02:35:16.82
IV.BARO.HNN. ML:2.8 0.0009162072999999999 0.2304 AML other m 2019-07-07T02:34:49.71
MN.VSL.HHE. ML:2.2 0.00002084652 0.1584 AML other m 2019-07-07T02:35:45.01
MN.VSL.HHN. ML:2.1 0.000013881299999999999 0.12 AML other m 2019-07-07T02:35:45.64
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