Earthquake with magnitude of ML 1.2 on date 18-07-2020 and time 15:14:48 (Italy) in region 5 km SW Arquata del Tronto (AP)

A magnitude ML 1.2 earthquake occured in region: 5 km SW Arquata del Tronto (AP), on

  • 18-07-2020 13:14:48 (UTC)
  • 18-07-2020 15:14:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7520, 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 5 1178 1178
Accumoli RI 6 667 1845
Montegallo AP 12 523 2368
Acquasanta Terme AP 13 2916 5284
Norcia PG 14 4957 10241
Amatrice RI 14 2657 12898
Cittareale RI 17 482 13380
Castelsantangelo sul Nera MC 18 281 13661
Montemonaco AP 18 604 14265
Cascia PG 20 3217 17482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km W of Teramo (54892 inhabitants)
46 Km N of L'Aquila (69753 inhabitants)
50 Km E of Foligno (57155 inhabitants)
54 Km E of Terni (111501 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
80 Km E of Perugia (166134 inhabitants)
85 Km W of Pescara (121014 inhabitants)
88 Km NW of Chieti (51815 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
99 Km S of Ancona (100861 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 2020-07-18
13:14:48
42.7522 13.2492 11 2020-07-18
13:22:16
Sala Sismica INGV-Roma 81133341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-18 13:14:48 ± 0.04
Latitude 42.7522 ± 0.0018
Longitude 13.2492 ± 0.0049
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 81133341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 413
Semi-minor axis of confidence ellipse (meter) 150
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 77
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) 84
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35703
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 81133341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-18 13:22:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2020-07-18T13:15:22.24 3.0 undecidable manual S 2.28 0
IV.PIEI.HHZ. 2020-07-18T13:15:19.66 3.0 undecidable manual S 0.87 0
IV.LPEL.HHZ. 2020-07-18T13:15:18.19 3.0 undecidable manual S -0.33 0
IV.CERA.HHZ. 2020-07-18T13:15:13.75 3.0 positive manual P 5.19 0
IV.LRP.EHZ. 2020-07-18T13:15:09.11 3.0 positive manual P 2.76 0
IV.MNTT.EHZ. 2020-07-18T13:15:02.50 3.0 undecidable manual S -1.37 0
IV.CESI.HNN. 2020-07-18T13:15:01.31 0.3 undecidable manual S 315 39.627 50 0.1 71
IV.CSP1.EHZ. 2020-07-18T13:15:00.69 0.3 undecidable manual S 355 37.8288 50 -0.05 72
IV.GUMA.HNN. 2020-07-18T13:15:00.71 0.3 undecidable manual S 11 35.1426 50 0.69 61
IT.MTCL.HGE. 2020-07-18T13:14:59.33 0.3 undecidable manual S 323 33.6441 50 -0.28 69
IV.FDMO.HHZ. 2020-07-18T13:14:59.53 0.3 undecidable manual S 337 34.1436 50 -0.23 70
IV.CAMP.HHN. 2020-07-18T13:14:57.61 0.3 undecidable manual S 151 27.3504 50 -0.31 69
IV.RM33.EHZ. 2020-07-18T13:14:57.92 0.3 undecidable manual S 186 27.1506 50 0.05 73
IV.LNSS.HNE. 2020-07-18T13:14:56.94 0.3 undecidable manual S 226 23.754 50 -0.03 74
IV.CSP1.EHZ. 2020-07-18T13:14:55.25 0.1 undecidable manual P 355 37.8288 50 -0.13 94
IV.CESI.HNN. 2020-07-18T13:14:55.57 0.1 undecidable manual P 315 39.627 50 -0.08 95
IV.GUMA.HNN. 2020-07-18T13:14:55.18 0.3 undecidable manual P 11 35.1426 50 0.22 70
IV.MC2.EHZ. 2020-07-18T13:14:55.50 0.3 undecidable manual S 345 18.3705 120 0.1 73
IV.SMA1.EHZ. 2020-07-18T13:14:54.18 0.3 undecidable manual S 152 15.1737 125 -0.29 71
IV.FDMO.HHZ. 2020-07-18T13:14:54.71 0.3 undecidable manual P 337 34.1436 50 -0.1 71
IV.MMO1.EHZ. 2020-07-18T13:14:54.95 0.1 undecidable manual S 21 17.4714 121 -0.2 96
IV.MF5.EHZ. 2020-07-18T13:14:54.72 0.1 undecidable manual P 33 31.2465 50 0.36 91
IV.ARRO.EHZ. 2020-07-18T13:14:54.22 3.0 negative manual Pg -0.93 0
IT.MTCL.HGE. 2020-07-18T13:14:54.54 0.1 undecidable manual P 323 33.6441 50 -0.19 94
IV.T1299.EHE. 2020-07-18T13:14:54.24 0.3 undecidable manual S 168 13.3755 128 0.28 71
IV.NRCA.HHZ. 2020-07-18T13:14:54.09 0.1 undecidable manual S 310 14.2746 127 -0.11 98
IV.LNSS.HNE. 2020-07-18T13:14:53.25 0.1 undecidable manual P 226 23.754 50 0.05 98
IV.RM33.EHZ. 2020-07-18T13:14:53.68 0.1 undecidable manual P 186 27.1506 50 -0.04 98
IV.MTRA.EHZ. 2020-07-18T13:14:53.32 0.1 undecidable manual S 87 11.9769 131 -0.28 95
IV.CAMP.HHN. 2020-07-18T13:14:53.63 0.3 undecidable manual P 151 27.3504 50 -0.12 72
IV.MC2.EHZ. 2020-07-18T13:14:52.39 0.1 undecidable manual P 345 18.3705 120 0.1 98
IV.MMO1.EHZ. 2020-07-18T13:14:52.10 0.1 undecidable manual P 21 17.4714 121 -0.05 99
IV.MTRA.EHZ. 2020-07-18T13:14:51.31 0.1 undecidable manual P 87 11.9769 131 0.05 100
IV.T1299.EHE. 2020-07-18T13:14:51.81 0.1 undecidable manual P 168 13.3755 128 0.35 94
IV.NRCA.HHZ. 2020-07-18T13:14:51.71 0.1 undecidable manual P 310 14.2746 127 0.11 98
IV.SMA1.EHZ. 2020-07-18T13:14:51.85 0.1 undecidable manual P 152 15.1737 125 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:1.4 0.0002729088 0.16 AML other m 2020-07-18T13:14:53.83
IV.MTRA.EHN. ML:1.3 0.0002157324 0.1792 AML other m 2020-07-18T13:14:53.93
IV.MTRA.HNE. ML:1.4 0.00030276165 0.2816 AML other m 2020-07-18T13:14:54.46
IV.MTRA.HNN. ML:1.3 0.00020158690000000003 0.1856 AML other m 2020-07-18T13:14:53.84
IV.NRCA.HHE. ML:1.6 0.00038278024999999997 0.16 AML other m 2020-07-18T13:14:54.24
IV.NRCA.HHN. ML:1.7 0.00044289275 0.1024 AML other m 2020-07-18T13:14:54.29
IV.NRCA.HNE. ML:1.6 0.00038636700000000004 0.1664 AML other m 2020-07-18T13:14:54.25
IV.NRCA.HNN. ML:1.6 0.00041919980000000004 0.1024 AML other m 2020-07-18T13:14:54.35
IV.SMA1.EHE. ML:1.5 0.00028372655 0.2176 AML other m 2020-07-18T13:14:54.66
IV.SMA1.EHN. ML:1.2 0.000133441125 0.096 AML other m 2020-07-18T13:14:54.73
IV.RM33.HNE. ML:1.2 0.000089357575 0.5184 AML other m 2020-07-18T13:14:54.72
IV.RM33.HNN. ML:1.3 0.000116525665 0.7104 AML other m 2020-07-18T13:15:03.01
IV.RM33.EHE. ML:1.0 0.000051578335 0.1792 AML other m 2020-07-18T13:14:58.57
IV.RM33.EHN. ML:0.8 0.00003280855 0.1408 AML other m 2020-07-18T13:14:59.42
IV.ARRO.EHE. ML:1.0 0.00002751089 0.1408 AML other m 2020-07-18T13:14:55.16
IV.ARRO.EHN. ML:0.9 0.000024497753449999998 0.1792 AML other m 2020-07-18T13:14:55.04
IV.FDMO.HHE. ML:1.0 0.000042935495 0.2176 AML other m 2020-07-18T13:14:59.90
IV.FDMO.HHN. ML:1.2 0.000060903854999999995 0.256 AML other m 2020-07-18T13:14:59.88
IV.MF5.EHE. ML:1.2 0.00007232284 1.44 AML other m 2020-07-18T13:15:09.17
IV.MF5.EHN. ML:1.2 0.00006858931499999999 1.664 AML other m 2020-07-18T13:15:10.11
IV.CSP1.EHE. ML:0.9 0.000029647165 0.16 AML other m 2020-07-18T13:15:01.91
IV.CSP1.EHN. ML:1.0 0.00003559468 0.16 AML other m 2020-07-18T13:15:00.98
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