Earthquake with magnitude of ML 1.2 on date 04-08-2019 and time 07:53:12 (Italy) in region 6 km E Amatrice (RI)

A magnitude ML 1.2 earthquake occured in region: 6 km E Amatrice (RI), on

  • 04-08-2019 05:53:12 (UTC)
  • 04-08-2019 07:53:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6340, 13.3670 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Amatrice RI 6 2657 2657
Campotosto AQ 8 542 3199
Cortino TE 12 656 3855
Accumoli RI 12 667 4522
Crognaleto TE 13 1297 5819
Capitignano AQ 14 665 6484
Rocca Santa Maria TE 14 537 7021
Acquasanta Terme AP 16 2916 9937
Montereale AQ 16 2581 12518
Valle Castellana TE 16 977 13495
Arquata del Tronto AP 17 1178 14673
Fano Adriano TE 17 296 14969
Cittareale RI 17 482 15451
Pietracamela TE 20 271 15722

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km W of Teramo (54892 inhabitants)
31 Km N of L'Aquila (69753 inhabitants)
59 Km E of Terni (111501 inhabitants)
65 Km SE of Foligno (57155 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
72 Km W of Pescara (121014 inhabitants)
73 Km W of Chieti (51815 inhabitants)
88 Km NE of Guidonia Montecelio (88673 inhabitants)
88 Km NE of Tivoli (56533 inhabitants)
96 Km SE of Perugia (166134 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
Reviewed
Rev100
ML 1.2 2019-08-04
05:53:12
42.6338 13.367 11 2019-08-04
06:03:47
Sala Sismica INGV-Roma 71156491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-04 05:53:12 ± 0.08
Latitude 42.6338 ± 0.0045
Longitude 13.3670 ± 0.0073
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 71156491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 622
Semi-minor axis of confidence ellipse (meter) 340
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 75
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.12501
Epicentral distance of station farthest from the epicenter (degree) 0.45146
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 71156491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-04 06:03:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MC2.EHZ. 2019-08-04T05:53:24.73 0.6 undecidable manual S 335 34.0437 50 0.38 45
IV.GIGS.HHZ. 2019-08-04T05:53:22.00 0.6 undecidable manual S 140 26.1516 50 -0.26 47
IV.NRCA.HHZ. 2019-08-04T05:53:22.92 0.6 undecidable manual S 317 30.2475 50 -0.42 45
IV.FDMO.HHZ. 2019-08-04T05:53:21.86 1.0 positive manual P 333 50.1165 50 -0.06 24
IV.RM33.EHZ. 2019-08-04T05:53:20.20 0.6 undecidable manual S 222 18.6702 120 0 50
IV.MF5.EHZ. 2019-08-04T05:53:20.89 0.6 positive manual P 11 39.9267 50 0.53 43
IV.MC2.EHZ. 2019-08-04T05:53:19.51 1.0 positive manual P 335 34.0437 50 0.07 24
IV.NRCA.HHZ. 2019-08-04T05:53:18.76 0.1 undecidable manual P 317 30.2475 50 -0.1 97
IV.GIGS.HHZ. 2019-08-04T05:53:18.24 0.6 undecidable manual P 140 26.1516 50 0.01 50
IV.MMO1.EHZ. 2019-08-04T05:53:18.75 0.3 undecidable manual P 354 29.6481 50 -0.02 74
IV.MTRA.HNZ. 2019-08-04T05:53:18.46 0.6 undecidable manual S 10 13.875 128 -0.35 47
IV.RM33.EHZ. 2019-08-04T05:53:17.26 0.6 positive manual P 222 18.6702 120 0.21 48
IV.TERO.HHZ. 2019-08-04T05:53:17.21 0.1 undecidable manual P 94 19.3695 119 0.03 100
IV.MTRA.HNZ. 2019-08-04T05:53:16.36 0.6 negative manual P 10 13.875 128 0.11 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHE. ML:1.0 0.0000787 0.06 AML other m 2019-08-04T05:53:17.24
IV.MTRA.EHE. ML:1.6 0.0004355 0.12 AML other m 2019-08-04T05:53:18.64
IV.MTRA.HNE. ML:1.7 0.00044950000000000003 0.82 AML other m 2019-08-04T05:53:18.58
IV.MTRA.EHN. ML:1.4 0.00027049999999999996 0.24 AML other m 2019-08-04T05:53:19.01
IV.MTRA.HNN. ML:1.5 0.00032950000000000004 1 AML other m 2019-08-04T05:53:19.63
IV.TERO.HHN. ML:1.2 0.000117 0.12 AML other m 2019-08-04T05:53:20.17
IV.RM33.EHN. ML:1.0 0.0000765 0.54 AML other m 2019-08-04T05:53:20.33
IV.RM33.EHE. ML:1.0 0.00007384999999999999 1.14 AML other m 2019-08-04T05:53:20.36
IV.NRCA.HHE. ML:1.3 0.00009334999999999999 1.14 AML other m 2019-08-04T05:53:23.58
IV.NRCA.HHN. ML:1.2 0.00007055000000000001 1.14 AML other m 2019-08-04T05:53:23.09
IV.FDMO.HHN. ML:1.1 0.000035000000000000004 0.24 AML other m 2019-08-04T05:53:29.08
IV.FDMO.HHE. ML:0.9 0.0000185 0.2 AML other m 2019-08-04T05:53:29.21
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