Earthquake with magnitude of ML 0.9 on date 22-06-2021 and time 21:32:57 (Italy) in region 6 km E Castelsantangelo sul Nera (MC)

A magnitude ML 0.9 earthquake occured in region: 6 km E Castelsantangelo sul Nera (MC), on

  • 22-06-2021 19:32:57 (UTC)
  • 22-06-2021 21:32:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8780, 13.2290 at 15 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
Castelsantangelo sul Nera MC 6 281 281
Montemonaco AP 8 604 885
Montegallo AP 9 523 1408
Ussita MC 11 444 1852
Montefortino FM 12 1178 3030
Arquata del Tronto AP 13 1178 4208
Visso MC 13 1107 5315
Bolognola MC 13 142 5457
Norcia PG 15 4957 10414
Preci PG 16 724 11138
Amandola FM 16 3629 14767
Acquacanina MC 18 121 14888
Comunanza AP 18 3166 18054
Sarnano MC 19 3264 21318
Fiastra MC 19 559 21877
Palmiano AP 19 196 22073
Acquasanta Terme AP 19 2916 24989

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
46 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
60 Km N of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
86 Km S of Ancona (100861 inhabitants)
93 Km NW of Pescara (121014 inhabitants)
97 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 0.9 2021-06-22
19:32:57
42.8778 13.2293 15 2021-06-22
19:40:51
Sala Sismica INGV-Roma 91728911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-22 19:32:57 ± 0.09
Latitude 42.8778 ± 0.0036
Longitude 13.2293 ± 0.0061
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 91728911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 488
Semi-minor axis of confidence ellipse (meter) 177
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 14
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37502
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.4
Num. used stations 11
Type of magnitude ML
Reference to an origin 91728911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-22 19:40:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SELL.HHZ. 2021-06-22T19:34:42.34 3.0 undecidable manual Sn -1.28 0
IV.HVIT.HHZ. 2021-06-22T19:34:26.30 3.0 undecidable manual Pg 13.36 0
AC.VLO.HHZ. 2021-06-22T19:34:26.33 3.0 undecidable manual Pg 23.08 0
IV.EPZF.HHZ. 2021-06-22T19:34:06.34 3.0 negative manual Pn 4.05 0
IV.SOI.EHZ. 2021-06-22T19:34:01.44 3.0 undecidable manual Pn -1.34 0
IV.GIZZ.HHZ. 2021-06-22T19:34:00.45 3.0 negative manual Pg 8.23 0
IV.MCRV.HHZ. 2021-06-22T19:33:59.41 3.0 undecidable manual Sg 7.54 0
IV.MTMR.EHZ. 2021-06-22T19:33:56.59 3.0 undecidable manual Sg 9.17 0
IV.RIBO.EHZ.01 2021-06-22T19:33:49.43 3.0 undecidable manual Sg 5.33 0
IV.NDIM.HHZ. 2021-06-22T19:33:43.99 3.0 positive manual Pg 7.86 0
IV.TOLF.HHZ. 2021-06-22T19:33:30.18 3.0 undecidable manual Sg 0.7 0
IV.CPOZ.HHZ. 2021-06-22T19:33:19.65 3.0 undecidable manual Pn -0.87 0
IV.LRP.EHZ. 2021-06-22T19:33:12.23 3.0 negative manual Pg 3.6 0
IV.LNSS.HNZ. 2021-06-22T19:33:09.84 0.6 undecidable manual S 207 34.1436 101 0.38 45
IV.SMA1.EHZ. 2021-06-22T19:33:07.82 0.3 undecidable manual S 162 28.749 105 -0.24 70
IV.VIVA.HHZ. 2021-06-22T19:33:07.22 3.0 undecidable manual Pn -2.39 0
IV.CSP1.EHZ. 2021-06-22T19:33:06.93 0.6 undecidable manual S 355 23.8539 109 0.13 48
IV.RM33.HNZ. 2021-06-22T19:33:05.54 0.1 undecidable manual P 182 40.9257 99 -0.01 95
IV.FDMO.HHZ. 2021-06-22T19:33:05.95 0.6 undecidable manual S 327 21.0678 113 -0.15 48
IV.TERO.HHZ. 2021-06-22T19:33:05.75 0.1 undecidable manual P 133 41.625 98 0.1 93
IV.LNSS.HNZ. 2021-06-22T19:33:04.62 0.1 undecidable manual P 207 34.1436 101 0.09 95
IV.MMO1.EHZ. 2021-06-22T19:33:03.25 0.6 undecidable manual S 73 8.2806 146 -0.17 49
IV.NRCA.HHZ. 2021-06-22T19:33:03.67 0.6 undecidable manual S 242 10.5783 138 -0.13 49
IV.SMA1.EHZ. 2021-06-22T19:33:03.55 0.1 undecidable manual P 162 28.749 105 -0.16 94
IV.FDMO.HHZ. 2021-06-22T19:33:02.59 0.6 negative manual P 327 21.0678 113 0.01 49
IV.CSP1.EHZ. 2021-06-22T19:33:02.90 1.0 positive manual P 355 23.8539 109 -0.08 24
IV.MMO1.EHZ. 2021-06-22T19:33:01.08 0.1 undecidable manual P 73 8.2806 146 0.04 100
IV.NRCA.HHZ. 2021-06-22T19:33:01.36 0.1 negative manual P 242 10.5783 138 0.1 99
IV.T1299.EHZ. 2021-06-22T19:32:48.12 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.4 0.00021486634999999998 0.0896 AML other m 2021-06-22T19:33:03.77
IV.NRCA.HHN. ML:1.5 0.000311 0.18 AML other m 2021-06-22T19:33:03.83
IV.FDMO.HHN. ML:1.0 0.0000564 0.24 AML other m 2021-06-22T19:33:06.22
IV.FDMO.HHE. ML:0.7 0.000030592575 0.2176 AML other m 2021-06-22T19:33:06.17
IV.NRCA.HNE. ML:1.3 0.00019810325000000001 0.0768 AML other m 2021-06-22T19:33:03.81
IV.NRCA.HNN. ML:1.5 0.00029729925000000003 0.1792 AML other m 2021-06-22T19:33:03.92
IV.CSP1.EHE. ML:0.8 0.000037146825 0.2432 AML other m 2021-06-22T19:33:07.28
IV.CSP1.EHN. ML:0.9 0.000039508725 0.2048 AML other m 2021-06-22T19:33:09.50
IV.SMA1.EHE. ML:0.5 0.000013131435 0.1024 AML other m 2021-06-22T19:33:08.40
IV.SMA1.EHN. ML:0.3 0.000012174741999999999 0.1024 AML other m 2021-06-22T19:33:09.31
IV.TERO.HHN. ML:0.7 0.000014756024999999999 0.0896 AML other m 2021-06-22T19:33:12.74
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