Earthquake with magnitude of ML 0.7 on date 26-08-2019 and time 20:16:24 (Italy) in region 9 km NW Arquata del Tronto (AP)

A magnitude ML 0.7 earthquake occured in region: 9 km NW Arquata del Tronto (AP), on

  • 26-08-2019 18:16:24 (UTC)
  • 26-08-2019 20:16:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8180, 13.2080 at 2 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 9 1178 1178
Norcia PG 10 4957 6135
Castelsantangelo sul Nera MC 10 281 6416
Montegallo AP 11 523 6939
Montemonaco AP 13 604 7543
Accumoli RI 14 667 8210
Ussita MC 15 444 8654
Preci PG 15 724 9378
Visso MC 16 1107 10485
Acquasanta Terme AP 17 2916 13401
Montefortino FM 18 1178 14579
Cascia PG 19 3217 17796
Bolognola MC 20 142 17938

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
44 Km W of Teramo (54892 inhabitants)
54 Km NE of Terni (111501 inhabitants)
54 Km N of L'Aquila (69753 inhabitants)
74 Km E of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
91 Km W of Pescara (121014 inhabitants)
93 Km S of Ancona (100861 inhabitants)
94 Km NW of Chieti (51815 inhabitants)
99 Km NE of Guidonia Montecelio (88673 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 0.7 2019-08-26
18:16:24
42.8177 13.2083 2 2019-08-26
18:21:10
Sala Sismica INGV-Roma 71827401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-26 18:16:24 ± 0.13
Latitude 42.8177 ± 0.0036
Longitude 13.2083 ± 0.0049
Depth (km) 2 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 71827401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 410
Semi-minor axis of confidence ellipse (meter) 176
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 28
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27429
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 71827401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-26 18:21:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2019-08-26T18:16:35.44 0.6 undecidable manual S 359 30.4473 94 -0.03 49
IV.FDMO.HHE. 2019-08-26T18:16:34.00 0.1 undecidable manual S 338 26.1516 94 0 99
IV.ARRO.EHZ. 2019-08-26T18:16:30.09 3.0 negative manual P -0.02 0
IV.FDMO.HHE. 2019-08-26T18:16:30.41 0.1 undecidable manual P 338 26.1516 94 0.26 94
IV.CSP1.EHZ. 2019-08-26T18:16:30.45 0.6 positive manual P 359 30.4473 94 -0.54 44
IV.MTRA.EHZ. 2019-08-26T18:16:30.77 0.6 undecidable manual S 114 16.7721 97 0.04 50
IV.LNSS.HHE. 2019-08-26T18:16:30.59 0.1 undecidable manual P 210 27.4503 94 0.19 95
IV.MF5.EHZ. 2019-08-26T18:16:30.54 0.6 positive manual P 47 27.8499 94 0.07 49
IV.SMA1.EHZ. 2019-08-26T18:16:29.36 1.0 negative manual P 153 23.1546 95 -0.19 24
IV.MMO1.EHZ. 2019-08-26T18:16:29.85 0.6 undecidable manual S 47 13.2756 99 0.32 47
IV.MTRA.EHZ. 2019-08-26T18:16:28.02 0.6 undecidable manual P 114 16.7721 97 -0.24 48
IV.NRCA.HHZ. 2019-08-26T18:16:27.72 0.3 undecidable manual S 283 7.881 104 0.02 76
IV.MMO1.EHZ. 2019-08-26T18:16:27.49 0.1 undecidable manual P 47 13.2756 99 -0.07 100
IV.NRCA.HHZ. 2019-08-26T18:16:26.36 0.1 undecidable manual P 283 7.881 104 -0.15 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.0 0.0002305281 0.1024 AML other m 2019-08-26T18:16:27.96
IV.NRCA.HHN. ML:0.0 0.0003565695 0.128 AML other m 2019-08-26T18:16:27.93
IV.NRCA.HNE. ML:0.0 0.00020891035000000001 0.1024 AML other m 2019-08-26T18:16:27.96
IV.NRCA.HNN. ML:0.0 0.00032455383499999996 0.1024 AML other m 2019-08-26T18:16:27.87
IV.MTRA.EHE. ML:0.8 0.000061892225 0.1408 AML other m 2019-08-26T18:16:31.94
IV.MTRA.EHN. ML:0.7 0.000051340565000000005 0.1408 AML other m 2019-08-26T18:16:31.89
IV.MTRA.HNE. ML:1.1 0.00013713465999999998 0.768 AML other m 2019-08-26T18:16:38.43
IV.MTRA.HNN. ML:1.2 0.0001480939 1.0624 AML other m 2019-08-26T18:16:39.19
IV.ARRO.EHE. ML:0.5 0.000007734440000000001 0.2176 AML other m 2019-08-26T18:16:31.65
IV.ARRO.EHN. ML:0.5 0.0000100365035 0.128 AML other m 2019-08-26T18:16:34.96
IV.CSP1.EHE. ML:0.7 0.000025320265000000003 0.8448 AML other m 2019-08-26T18:16:30.41
IV.CSP1.EHN. ML:0.6 0.00001861557145 0.1536 AML other m 2019-08-26T18:16:36.27
IV.MF5.EHE. ML:0.8 0.00003622003 1.3952 AML other m 2019-08-26T18:16:42.48
IV.MF5.EHN. ML:0.7 0.000030690678 0.7424 AML other m 2019-08-26T18:16:42.09
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download