Earthquake with magnitude of ML 1.0 on date 05-09-2020 and time 00:07:44 (Italy) in region 6 km W Arquata del Tronto (AP)

A magnitude ML 1.0 earthquake occured in region: 6 km W Arquata del Tronto (AP), on

  • 04-09-2020 22:07:44 (UTC)
  • 05-09-2020 00:07:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7950, 13.2290 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 6 1178 1178
Montegallo AP 10 523 1701
Norcia PG 11 4957 6658
Accumoli RI 11 667 7325
Castelsantangelo sul Nera MC 13 281 7606
Montemonaco AP 14 604 8210
Acquasanta Terme AP 15 2916 11126
Preci PG 18 724 11850
Ussita MC 18 444 12294
Montefortino FM 19 1178 13472
Amatrice RI 19 2657 16129
Visso MC 19 1107 17236
Cascia PG 20 3217 20453

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
46 Km E of Foligno (57155 inhabitants)
51 Km N of L'Aquila (69753 inhabitants)
54 Km E of Terni (111501 inhabitants)
77 Km E of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
91 Km NW of Chieti (51815 inhabitants)
94 Km S of Ancona (100861 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
99 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 1.0 2020-09-04
22:07:44
42.7953 13.2288 11 2020-09-04
22:18:04
Sala Sismica INGV-Roma 82630291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-04 22:07:44 ± 0.07
Latitude 42.7953 ± 0.0045
Longitude 13.2288 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 82630291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 506
Semi-minor axis of confidence ellipse (meter) 452
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
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) 47
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36243
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.5
Num. used stations 9
Type of magnitude ML
Reference to an origin 82630291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-04 22:18:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FOSV.EHZ. 2020-09-04T22:08:05.30 3.0 undecidable manual S 0.03 0
IV.CAMP.HHE. 2020-09-04T22:07:56.17 0.3 undecidable manual S 153 32.3454 50 0.14 70
IV.CSP1.EHZ. 2020-09-04T22:07:56.33 0.3 undecidable manual S 357 32.9448 50 0.13 70
IV.RM33.HNE. 2020-09-04T22:07:55.77 0.3 undecidable manual S 182 31.746 50 -0.12 71
IV.GAVE.EHZ. 2020-09-04T22:07:55.46 0.1 undecidable manual S 247 29.5482 50 0.16 94
IV.FDMO.HHZ. 2020-09-04T22:07:54.75 0.3 undecidable manual S 337 29.1486 50 -0.43 66
IV.LNSS.HNZ. 2020-09-04T22:07:54.41 0.3 undecidable manual S 216 26.3514 50 -0.03 73
IV.CSP1.EHZ. 2020-09-04T22:07:52.36 0.3 undecidable manual P 357 32.9448 50 0.94 54
IV.OFFI.HHZ. 2020-09-04T22:07:51.80 0.1 undecidable manual P 67 40.2264 50 -0.75 77
IV.RM33.HNE. 2020-09-04T22:07:51.29 0.3 undecidable manual P 182 31.746 50 0.04 72
IV.CAMP.HHE. 2020-09-04T22:07:51.25 0.3 undecidable manual P 153 32.3454 50 -0.08 71
IV.MTRA.EHZ. 2020-09-04T22:07:51.05 0.1 undecidable manual S 107 14.2746 127 -0.08 98
IV.GAVE.EHZ. 2020-09-04T22:07:50.78 0.1 undecidable manual P 247 29.5482 50 -0.12 94
IV.MMO1.EHZ. 2020-09-04T22:07:50.96 0.1 undecidable manual S 35 13.9749 128 -0.09 98
IV.FDMO.HHZ. 2020-09-04T22:07:50.96 0.3 undecidable manual P 337 29.1486 50 0.13 71
IV.MC2.EHZ. 2020-09-04T22:07:50.90 0.1 undecidable manual S 346 13.2756 129 0.05 99
IV.LNSS.HNZ. 2020-09-04T22:07:50.38 0.3 undecidable manual P 216 26.3514 50 -0.02 73
IV.NRCA.HHZ. 2020-09-04T22:07:49.76 0.1 undecidable manual S 294 10.2786 137 -0.32 94
IV.SMA1.EHZ. 2020-09-04T22:07:49.64 3.0 undecidable manual P -0.05 0
IV.MC2.EHZ. 2020-09-04T22:07:48.53 0.1 undecidable manual P 346 13.2756 129 0.2 96
IV.MTRA.EHZ. 2020-09-04T22:07:48.85 0.1 undecidable manual P 107 14.2746 127 0.36 92
IV.MMO1.EHZ. 2020-09-04T22:07:48.48 0.1 undecidable manual P 35 13.9749 128 0.03 99
IV.NRCA.HHZ. 2020-09-04T22:07:47.89 0.1 negative manual P 294 10.2786 137 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:1.4 0.00027706675 0.0896 AML other m 2020-09-04T22:07:49.88
IV.NRCA.HHN. ML:1.4 0.00032050035 0.0768 AML other m 2020-09-04T22:07:49.88
IV.NRCA.HHE. ML:1.4 0.00029399609999999996 0.1024 AML other m 2020-09-04T22:07:49.88
IV.NRCA.HNE. ML:1.4 0.00029959524999999997 0.1536 AML other m 2020-09-04T22:07:49.88
IV.MTRA.EHE. ML:0.3 0.000020900969999999997 0.6784 AML other m 2020-09-04T22:07:51.58
IV.MTRA.HNN. ML:1.0 0.000096766715 0.7552 AML other m 2020-09-04T22:07:56.95
IV.MTRA.EHN. ML:0.2 0.00001614322 0.0768 AML other m 2020-09-04T22:07:51.54
IV.GAVE.EHE. ML:0.5 0.000013002205 0.2176 AML other m 2020-09-04T22:07:56.20
IV.GAVE.EHN. ML:0.3 0.0000121761135 0.2048 AML other m 2020-09-04T22:07:55.81
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