Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 13-06-2020 and time 14:53:23 (UTC) in region 1 km W Roccafluvione (AP)

A magnitude ML 1.2 earthquake occured in region: 1 km W Roccafluvione (AP), on

  • 13-06-2020 14:53:23 (UTC)
  • 13-06-2020 16:53:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8580, 13.4600 at 20 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Roccafluvione AP 1 2010 2010
Venarotta AP 4 2066 4076
Palmiano AP 5 196 4272
Ascoli Piceno AP 10 49407 53679
Montegallo AP 10 523 54202
Acquasanta Terme AP 11 2916 57118
Montemonaco AP 12 604 57722
Comunanza AP 12 3166 60888
Force AP 12 1354 62242
Montefortino FM 14 1178 63420
Rotella AP 14 906 64326
Valle Castellana TE 14 977 65303
Montefalcone Appennino FM 15 424 65727
Folignano AP 15 9241 74968
Castignano AP 16 2796 77764
Amandola FM 16 3629 81393
Arquata del Tronto AP 16 1178 82571
Smerillo FM 16 365 82936
Montedinove AP 16 488 83424
Appignano del Tronto AP 18 1785 85209
Santa Vittoria in Matenano FM 18 1330 86539
Montalto delle Marche AP 19 2122 88661
Maltignano AP 19 2401 91062
Montelparo FM 19 778 91840
Monte San Martino MC 19 765 92605
Civitella del Tronto TE 19 5116 97721
Rocca Santa Maria TE 20 537 98258

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Teramo (54892 inhabitants)
57 Km N of L'Aquila (69753 inhabitants)
63 Km E of Foligno (57155 inhabitants)
68 Km NW of Montesilvano (53738 inhabitants)
74 Km E of Terni (111501 inhabitants)
76 Km NW of Pescara (121014 inhabitants)
81 Km NW of Chieti (51815 inhabitants)
85 Km S of Ancona (100861 inhabitants)
91 Km E 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
Bulletin
Rev1000 		ML 1.2 2020-06-13
14:53:23		 42.8582 13.4595 20 2020-11-19
12:36:50		 Bollettino Sismico Italiano INGV 80674941
Reviewed
Rev100 		ML 1.2 2020-06-13
14:53:23		 42.8592 13.4592 21 2020-06-13
14:59:30		 Sala Sismica INGV-Roma 80142791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-13 14:53:23 ± 0.07
Latitude 42.8582 ± 0.0027
Longitude 13.4595 ± 0.0037
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80674941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 314
Semi-minor axis of confidence ellipse (meter) 174
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 55
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.10522
Epicentral distance of station farthest from the epicenter (degree) 0.33635
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 80674941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-01 10:47:04

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 80142791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-13 14:59:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2020-06-13T14:53:35.80 0.3 undecidable manual S 303 36.1416 111 -0.05 72
IV.CAMP.HHE. 2020-06-13T14:53:35.80 0.3 undecidable manual S 187 36.0417 111 -0.01 72
IV.CSP1.EHZ. 2020-06-13T14:53:35.12 0.3 undecidable manual S 322 33.1446 113 0.01 73
IV.TERO.HHZ. 2020-06-13T14:53:34.23 0.3 undecidable manual S 156 28.6491 117 0.22 70
IV.T1299.HNZ. 2020-06-13T14:53:34.14 0.3 undecidable manual S 210 28.749 117 0.1 72
IV.NRCA.HHZ. 2020-06-13T14:53:33.79 0.3 undecidable manual S 265 28.2495 117 -0.12 72
IV.SMA1.EHZ. 2020-06-13T14:53:33.65 0.3 undecidable manual S 202 27.1506 119 -0.03 73
IV.MC2.EHZ. 2020-06-13T14:53:32.86 0.3 undecidable manual S 285 22.755 124 0.19 72
IV.MMO1.EHZ. 2020-06-13T14:53:30.43 0.6 undecidable manual S 293 11.6772 146 -0.12 49
IV.CSP1.EHZ. 2020-06-13T14:53:30.04 0.1 undecidable manual P 322 33.1446 113 -0.07 96
IV.MTRA.EHZ. 2020-06-13T14:53:30.51 0.3 undecidable manual S 205 12.3765 144 -0.14 73
IV.FDMO.HHZ. 2020-06-13T14:53:30.39 0.1 undecidable manual P 303 36.1416 111 -0.14 94
IV.CAMP.HHE. 2020-06-13T14:53:30.40 0.1 undecidable manual P 187 36.0417 111 -0.12 95
IV.TRTR.HHE. 2020-06-13T14:53:30.23 0.6 undecidable manual P 98 37.3293 110 -0.49 44
IV.SMA1.EHZ. 2020-06-13T14:53:29.27 0.1 undecidable manual P 202 27.1506 119 -0.01 98
IV.GUMA.HNZ. 2020-06-13T14:53:29.24 0.6 undecidable manual P 336 24.8529 121 0.27 46
IV.NRCA.HHZ. 2020-06-13T14:53:29.32 0.1 undecidable manual P 265 28.2495 117 -0.1 96
IV.MNTT.EHZ. 2020-06-13T14:53:29.05 0.6 undecidable manual P 26 25.1526 121 0.04 49
IV.TERO.HHZ. 2020-06-13T14:53:29.53 0.1 undecidable manual P 156 28.6491 117 0.05 96
IV.T1299.HNZ. 2020-06-13T14:53:29.57 0.1 undecidable manual P 210 28.749 117 0.08 96
IV.MC2.EHZ. 2020-06-13T14:53:28.80 0.1 undecidable manual P 285 22.755 124 0.1 97
IV.OFFI.HHZ. 2020-06-13T14:53:28.37 0.1 undecidable manual P 65 20.2686 128 -0.01 99
IV.MMO1.EHZ. 2020-06-13T14:53:27.57 0.1 undecidable manual P 293 11.6772 146 0.09 99
IV.MTRA.EHZ. 2020-06-13T14:53:27.57 0.1 undecidable manual P 205 12.3765 144 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.6 0.0002755 0.18 AML other m 2020-06-13T14:53:30.68
IV.MTRA.EHE. ML:1.6 0.000272 0.5 AML other m 2020-06-13T14:53:30.61
IV.TERO.HHN. ML:1.1 0.000050600000000000003 0.08 AML other m 2020-06-13T14:53:34.44
IV.TERO.HHE. ML:1.1 0.00005305 0.18 AML other m 2020-06-13T14:53:34.42
IV.CSP1.EHE. ML:1.1 0.00005025443 0.32 AML other m 2020-06-13T14:53:35.72
IV.CSP1.EHN. ML:1.0 0.000038975444999999996 0.3584 AML other m 2020-06-13T14:53:35.94
IV.FDMO.HHE. ML:1.1 0.00004155 1.8 AML other m 2020-06-13T14:53:36.08
IV.FDMO.HHN. ML:0.9 0.00003195 0.12 AML other m 2020-06-13T14:53:36.19
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