Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 19-06-2021 and time 03:23:29 (UTC) in region 3 km NE Castelsantangelo sul Nera (MC)

A magnitude ML 0.8 earthquake occured in region: 3 km NE Castelsantangelo sul Nera (MC), on

  • 19-06-2021 03:23:29 (UTC)
  • 19-06-2021 05:23:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9120, 13.1830 at 10 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
Castelsantangelo sul Nera MC 3 281 281
Ussita MC 5 444 725
Visso MC 8 1107 1832
Bolognola MC 10 142 1974
Montemonaco AP 12 604 2578
Preci PG 12 724 3302
Acquacanina MC 13 121 3423
Montefortino FM 14 1178 4601
Fiastra MC 14 559 5160
Montegallo AP 15 523 5683
Norcia PG 15 4957 10640
Fiordimonte MC 16 202 10842
Amandola FM 16 3629 14471
Sarnano MC 17 3264 17735
Monte Cavallo MC 17 145 17880
Arquata del Tronto AP 18 1178 19058
Pieve Torina MC 18 1458 20516
Pievebovigliana MC 19 866 21382
Comunanza AP 20 3166 24548

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
51 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
65 Km N of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
98 Km NW of Pescara (121014 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 0.8 2021-06-19
03:23:29		 42.9117 13.1828 10 2021-12-29
11:12:07		 Bollettino Sismico Italiano INGV 91858111
Reviewed
Rev100 		ML 0.9 2021-06-19
03:23:29		 42.9137 13.1827 10 2021-06-19
05:08:12		 Sala Sismica INGV-Roma 91532041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-19 03:23:29 ± 0.03
Latitude 42.9117 ± 0.0018
Longitude 13.1828 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 91858111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 217
Semi-minor axis of confidence ellipse (meter) 195
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.09263
Epicentral distance of station farthest from the epicenter (degree) 0.53240
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 91858111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-25 07:31:59

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 91532041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-19 05:08:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2021-06-19T03:23:44.48 0.3 undecidable manual S 289 44.9217 50 0.17 69
IV.GAVE.EHN. 2021-06-19T03:23:41.25 0.6 undecidable manual S 224 33.8439 50 -0.09 48
IV.CESX.HHE. 2021-06-19T03:23:40.59 0.6 undecidable manual P 235 59.0964 50 0.28 44
IV.SMA1.EHZ. 2021-06-19T03:23:40.94 0.3 undecidable manual S 158 33.5442 50 -0.33 68
IV.T1299.HNN. 2021-06-19T03:23:40.78 0.6 undecidable manual S 165 31.8459 50 -0.02 48
IV.MF5.EHZ. 2021-06-19T03:23:39.00 0.3 undecidable manual S 69 23.9538 50 0.28 70
IV.MML1.HNZ. 2021-06-19T03:23:39.72 0.3 undecidable manual S 323 28.1496 50 -0.11 72
IV.CESI.HHZ. 2021-06-19T03:23:38.95 0.3 undecidable manual S 295 24.8529 50 0.01 74
IV.GUMA.HHZ. 2021-06-19T03:23:38.12 0.6 undecidable manual S 36 20.7681 116 0.36 46
IV.ASSB.HHZ. 2021-06-19T03:23:38.08 0.3 undecidable manual P 289 44.9217 50 -0.05 71
IV.RM33.HNE. 2021-06-19T03:23:38.24 0.6 undecidable manual P 177 44.7219 50 0.14 46
IV.CSP1.EHZ. 2021-06-19T03:23:37.41 0.3 undecidable manual S 5 20.0688 117 -0.11 73
IT.MTCL.HGZ. 2021-06-19T03:23:36.73 0.3 undecidable manual S 302 17.4714 121 -0.01 75
IV.T1299.HNN. 2021-06-19T03:23:36.08 0.6 undecidable manual P 165 31.8459 50 -0.03 48
IV.FDMO.HHZ. 2021-06-19T03:23:36.06 0.3 undecidable manual S 331 15.873 123 -0.21 72
IV.GAVE.EHN. 2021-06-19T03:23:36.27 0.6 undecidable manual P 224 33.8439 50 -0.15 47
IV.SMA1.EHZ. 2021-06-19T03:23:36.10 0.6 undecidable manual P 158 33.5442 50 -0.28 46
IV.MML1.HNZ. 2021-06-19T03:23:35.44 0.1 undecidable manual P 323 28.1496 50 -0.11 96
IV.CESI.HHZ. 2021-06-19T03:23:35.09 0.1 undecidable manual P 295 24.8529 50 0.06 97
IV.PF6.EHZ. 2021-06-19T03:23:35.23 0.6 undecidable manual P 2 25.0527 50 0.16 48
IV.MMO1.EHZ. 2021-06-19T03:23:34.96 0.3 undecidable manual S 97 11.7771 131 -0.17 73
IV.CSP1.EHZ. 2021-06-19T03:23:34.04 0.1 undecidable manual P 5 20.0688 117 -0.17 96
IV.NRCA.HHZ. 2021-06-19T03:23:34.84 0.3 undecidable manual S 213 10.2786 135 0.08 75
IV.GUMA.HHZ. 2021-06-19T03:23:34.30 0.1 undecidable manual P 36 20.7681 116 -0.05 98
IV.MF5.EHZ. 2021-06-19T03:23:34.97 0.1 undecidable manual P 69 23.9538 50 0.07 97
IT.MTCL.HGZ. 2021-06-19T03:23:33.82 0.3 undecidable manual P 302 17.4714 121 0.06 74
IV.FDMO.HHZ. 2021-06-19T03:23:33.50 0.1 undecidable manual P 331 15.873 123 0.01 100
IV.MMO1.EHZ. 2021-06-19T03:23:32.87 0.1 undecidable manual P 97 11.7771 131 0.04 100
IV.NRCA.HHZ. 2021-06-19T03:23:32.88 0.1 undecidable manual P 213 10.2786 135 0.26 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.8 0.0000494 0.7 AML other m 2021-06-19T03:23:36.30
IV.FDMO.HHN. ML:0.9 0.00006525 0.22 AML other m 2021-06-19T03:23:36.61
IV.CESI.HHN. ML:0.8 0.0000363 0.3 AML other m 2021-06-19T03:23:39.32
IV.CESI.HHE. ML:0.6 0.000025050000000000002 0.8 AML other m 2021-06-19T03:23:39.21
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