Earthquake with magnitude of ML 1.1 on date 06-07-2020 and time 03:52:46 (Italy) in region 4 km W Arquata del Tronto (AP)

A magnitude ML 1.1 earthquake occured in region: 4 km W Arquata del Tronto (AP), on

  • 06-07-2020 01:52:46 (UTC)
  • 06-07-2020 03:52:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7790, 13.2490 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
Arquata del Tronto AP 4 1178 1178
Accumoli RI 9 667 1845
Montegallo AP 10 523 2368
Norcia PG 13 4957 7325
Acquasanta Terme AP 13 2916 10241
Montemonaco AP 15 604 10845
Castelsantangelo sul Nera MC 15 281 11126
Amatrice RI 17 2657 13783
Cittareale RI 19 482 14265
Montefortino FM 20 1178 15443

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Teramo (54892 inhabitants)
49 Km E of Foligno (57155 inhabitants)
49 Km N of L'Aquila (69753 inhabitants)
55 Km E of Terni (111501 inhabitants)
79 Km E of Perugia (166134 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
86 Km W of Pescara (121014 inhabitants)
89 Km NW of Chieti (51815 inhabitants)
96 Km S of Ancona (100861 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km NE of Tivoli (56533 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 1.1 2020-07-06
01:52:46
42.7793 13.2492 11 2020-07-06
01:57:29
Sala Sismica INGV-Roma 80814441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-06 01:52:46 ± 0.05
Latitude 42.7793 ± 0.0036
Longitude 13.2492 ± 0.0061
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 80814441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 510
Semi-minor axis of confidence ellipse (meter) 370
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 269
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.11062
Epicentral distance of station farthest from the epicenter (degree) 0.31386
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 80814441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-06 01:57:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2020-07-06T01:52:58.13 0.6 undecidable manual S 354 34.8429 90 -0.03 48
IV.TERO.HHZ. 2020-07-06T01:52:57.80 0.6 undecidable manual S 121 33.744 90 -0.06 48
IV.RM33.EHZ. 2020-07-06T01:52:57.02 0.6 undecidable manual S 185 30.1476 90 0.12 47
IV.MF5.EHZ. 2020-07-06T01:52:57.40 0.6 undecidable manual S 36 28.749 90 0.87 38
IV.FDMO.HHZ. 2020-07-06T01:52:56.92 0.6 undecidable manual S 335 31.4463 90 -0.32 46
IV.LNSS.HHZ. 2020-07-06T01:52:55.90 0.6 undecidable manual S 221 25.9518 90 0.12 47
IV.MC2.EHZ. 2020-07-06T01:52:53.06 0.6 undecidable manual S 342 15.4734 90 0.08 49
IV.SMA1.EHZ. 2020-07-06T01:52:53.39 0.6 undecidable manual S 157 17.9709 90 -0.25 47
IV.RM33.EHZ. 2020-07-06T01:52:52.37 0.3 positive manual P 185 30.1476 90 -0.09 72
IV.MTRA.EHZ. 2020-07-06T01:52:52.26 0.6 undecidable manual S 102 12.2766 106 0.13 49
IV.MF5.EHZ. 2020-07-06T01:52:52.48 0.6 undecidable manual P 36 28.749 90 0.23 47
IV.MMO1.EHZ. 2020-07-06T01:52:52.80 0.3 undecidable manual S 25 14.7741 90 0.01 75
IV.TERO.HHZ. 2020-07-06T01:52:52.78 0.6 undecidable manual P 121 33.744 90 -0.24 46
IV.FDMO.HHZ. 2020-07-06T01:52:52.33 0.6 negative manual P 335 31.4463 90 -0.33 46
IV.CSP1.EHZ. 2020-07-06T01:52:52.98 0.6 positive manual P 354 34.8429 90 -0.21 46
IV.NRCA.HHZ. 2020-07-06T01:52:52.06 0.6 undecidable manual S 299 12.4764 104 -0.14 49
IV.LNSS.HHZ. 2020-07-06T01:52:51.86 0.1 negative manual P 221 25.9518 90 0.04 97
IV.MC2.EHZ. 2020-07-06T01:52:50.25 0.6 undecidable manual P 342 15.4734 90 0.05 49
IV.SMA1.EHZ. 2020-07-06T01:52:50.62 0.3 positive manual P 157 17.9709 90 0.04 74
IV.MMO1.EHZ. 2020-07-06T01:52:50.08 1.0 undecidable manual P 25 14.7741 90 -0.01 25
IV.NRCA.HHZ. 2020-07-06T01:52:49.74 0.1 negative manual P 299 12.4764 104 -0.01 100
IV.MTRA.EHZ. 2020-07-06T01:52:49.84 0.3 negative manual P 102 12.2766 106 0.13 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.6 0.0003935 0.16 AML other m 2020-07-06T01:52:52.10
IV.MTRA.EHE. ML:1.0 0.00011105 0.4 AML other m 2020-07-06T01:52:52.35
IV.NRCA.HHE. ML:1.6 0.0004545 0.44 AML other m 2020-07-06T01:52:52.22
IV.MTRA.EHN. ML:1.0 0.00009834999999999999 0.34 AML other m 2020-07-06T01:52:52.82
IV.SMA1.EHE. ML:1.1 0.00009735 0.56 AML other m 2020-07-06T01:52:53.82
IV.SMA1.EHN. ML:1.1 0.00009784999999999999 0.8 AML other m 2020-07-06T01:52:54.43
IV.LNSS.HHN. ML:1.2 0.00009429999999999999 0.24 AML other m 2020-07-06T01:52:56.27
IV.FDMO.HHN. ML:1.0 0.000048299999999999995 0.22 AML other m 2020-07-06T01:52:57.21
IV.RM33.EHN. ML:0.9 0.0000421 1.34 AML other m 2020-07-06T01:52:57.21
IV.FDMO.HHE. ML:0.8 0.0000305 0.14 AML other m 2020-07-06T01:52:57.34
IV.LNSS.HHE. ML:1.0 0.00005185 1.22 AML other m 2020-07-06T01:52:57.31
IV.RM33.EHE. ML:1.2 0.00007165 1.4 AML other m 2020-07-06T01:52:57.92
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