Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 06-06-2021 and time 21:54:14 (Italy) in region 4 km E Castelsantangelo sul Nera (MC)

A magnitude ML 0.7 earthquake occured in region: 4 km E Castelsantangelo sul Nera (MC), on

  • 06-06-2021 19:54:14 (UTC)
  • 06-06-2021 21:54:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8850, 13.2010 at 6 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.

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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
Castelsantangelo sul Nera MC 4 281 281
Ussita MC 8 444 725
Visso MC 10 1107 1832
Montemonaco AP 11 604 2436
Montegallo AP 12 523 2959
Bolognola MC 12 142 3101
Preci PG 13 724 3825
Montefortino FM 13 1178 5003
Norcia PG 13 4957 9960
Arquata del Tronto AP 15 1178 11138
Acquacanina MC 16 121 11259
Amandola FM 17 3629 14888
Fiastra MC 17 559 15447
Sarnano MC 19 3264 18711
Fiordimonte MC 19 202 18913
Comunanza AP 19 3166 22079

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
48 Km NW of Teramo (54892 inhabitants)
58 Km NE of Terni (111501 inhabitants)
62 Km N of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
95 Km W of Pescara (121014 inhabitants)
99 Km NW of Chieti (51815 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 2021-06-06
19:54:14		 42.8853 13.2008 6 2021-06-06
20:58:12		 Sala Sismica INGV-Roma 90871761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-06 19:54:14 ± 0.11
Latitude 42.8853 ± 0.0027
Longitude 13.2008 ± 0.0037
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 90871761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 338
Semi-minor axis of confidence ellipse (meter) 115
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 301
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.20684
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.5
Num. used stations 4
Type of magnitude ML
Reference to an origin 90871761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-06 20:58:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CTI.HHZ. 2021-06-06T19:55:57.13 3.0 undecidable manual Sg 4.66 0
IV.CELI.HHZ. 2021-06-06T19:55:53.09 3.0 undecidable manual Sn 2.84 0
IV.TREG.EHZ. 2021-06-06T19:55:46.20 3.0 undecidable manual Sn 1.86 0
IV.HVZN.HHZ. 2021-06-06T19:55:42.36 3.0 undecidable manual Pg 17.440001 0
IV.PCN.EHZ. 2021-06-06T19:55:07.94 3.0 negative manual Pg 3.95 0
IV.CELI.HHZ. 2021-06-06T19:55:06.17 3.0 positive manual Pn 2.3 0
IV.IMTC.HHZ. 2021-06-06T19:54:59.06 3.0 undecidable manual Sg -0.78 0
IV.FIR.HHZ. 2021-06-06T19:54:44.63 3.0 undecidable manual Pg 3.36 0
IV.VENT.EHZ. 2021-06-06T19:54:31.81 3.0 negative manual P -2.4 0
IV.CSP1.EHZ. 2021-06-06T19:54:23.07 0.3 undecidable manual S 1 22.9548 105 0.28 70
IV.TST02.HHZ. 2021-06-06T19:54:21.10 3.0 positive manual P -0.15 0
IV.FDMO.HHZ. 2021-06-06T19:54:21.50 0.3 undecidable manual S 331 19.1697 108 -0.04 74
IV.CSP1.EHZ. 2021-06-06T19:54:19.21 0.1 undecidable manual P 1 22.9548 105 -0.1 97
IV.NRCA.HHZ. 2021-06-06T19:54:18.43 0.1 undecidable manual S 231 9.0798 125 0.05 100
IV.FDMO.HHZ. 2021-06-06T19:54:18.45 0.3 undecidable manual P 331 19.1697 108 -0.13 72
IV.MMO1.EHZ. 2021-06-06T19:54:18.72 0.3 undecidable manual S 81 10.3785 121 -0.04 75
IV.MMO1.EHZ. 2021-06-06T19:54:17.05 0.3 undecidable manual P 81 10.3785 121 0.07 74
IV.MC2.EHZ. 2021-06-06T19:54:16.98 0.3 undecidable manual S 342 3.0969 154 0 76
IV.NRCA.HHZ. 2021-06-06T19:54:16.82 0.1 undecidable manual P 231 9.0798 125 0.06 100
IV.MC2.EHZ. 2021-06-06T19:54:15.83 0.1 negative manual P 342 3.0969 154 -0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.0 0.00017099999999999998 0.14 AML other m 2021-06-06T19:54:18.59
IV.NRCA.HHE. ML:1.1 0.000216 0.14 AML other m 2021-06-06T19:54:18.90
IV.FDMO.HHN. ML:0.2 0.0000131 0.26 AML other m 2021-06-06T19:54:23.17
IV.FDMO.HHE. ML:0.2 0.00001475 1.58 AML other m 2021-06-06T19:54:25.09
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