Earthquake with magnitude of ML 1.2 on date 22-05-2021 and time 00:01:47 (UTC) in region 3 km SW Visso (MC)

A magnitude ML 1.2 earthquake occured in region: 3 km SW Visso (MC), on

  • 22-05-2021 00:01:47 (UTC)
  • 22-05-2021 02:01:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9030, 13.0710 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
Visso MC 4 1107 1107
Preci PG 4 724 1831
Castelsantangelo sul Nera MC 7 281 2112
Ussita MC 7 444 2556
Monte Cavallo MC 12 145 2701
Sellano PG 12 1079 3780
Norcia PG 12 4957 8737
Fiordimonte MC 15 202 8939
Cerreto di Spoleto PG 16 1075 10014
Pieve Torina MC 16 1458 11472
Bolognola MC 16 142 11614
Fiastra MC 16 559 12173
Acquacanina MC 17 121 12294
Pievebovigliana MC 18 866 13160
Muccia MC 20 915 14075

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
51 Km NE of Terni (111501 inhabitants)
58 Km W of Teramo (54892 inhabitants)
60 Km E of Perugia (166134 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
96 Km NE of Viterbo (67173 inhabitants)
98 Km W of Montesilvano (53738 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 2021-05-22
00:01:47
42.9033 13.0708 11 2021-05-22
00:10:45
Sala Sismica INGV-Roma 90354711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-22 00:01:47 ± 0.06
Latitude 42.9033 ± 0.0036
Longitude 13.0708 ± 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 90354711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 427
Semi-minor axis of confidence ellipse (meter) 380
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 106
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38041
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 21
Type of magnitude ML
Reference to an origin 90354711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-22 00:10:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHE. 2021-05-22T00:02:02.30 0.3 undecidable manual S 255 42.2244 50 0.96 53
IV.ASSB.HHZ. 2021-05-22T00:01:59.91 0.6 undecidable manual S 295 36.8298 50 0 48
IV.GUMA.HHZ. 2021-05-22T00:01:58.01 0.3 undecidable manual S 50 27.75 50 0.52 65
IV.GAVE.EHZ. 2021-05-22T00:01:57.20 0.3 undecidable manual S 212 27.4503 50 -0.21 70
IV.PF6.EHZ. 2021-05-22T00:01:57.33 0.3 undecidable manual S 21 27.8499 50 -0.19 70
IV.CSP1.EHZ. 2021-05-22T00:01:56.31 0.3 undecidable manual S 27 23.5542 50 -0.05 73
IV.MML1.EHZ. 2021-05-22T00:01:56.39 0.3 undecidable manual S 341 24.6531 50 -0.27 69
IV.MNTT.EHZ. 2021-05-22T00:01:56.94 3.0 negative manual P 0.24 0
IV.MOMA.HHE. 2021-05-22T00:01:55.33 1.0 undecidable manual P 255 42.2244 50 -0.18 23
IV.CESI.HHZ. 2021-05-22T00:01:54.72 0.3 undecidable manual S 310 17.5713 121 0.02 74
IV.ASSB.HHZ. 2021-05-22T00:01:54.51 0.6 undecidable manual P 295 36.8298 50 -0.18 46
IV.MF5.EHZ. 2021-05-22T00:01:54.49 3.0 negative manual Pn -0.01 0
IV.PF6.EHZ. 2021-05-22T00:01:53.20 0.3 undecidable manual P 21 27.8499 50 -0.1 71
IV.GUMA.HHZ. 2021-05-22T00:01:53.53 0.6 undecidable manual P 50 27.75 50 0.24 46
IV.GAVE.EHZ. 2021-05-22T00:01:53.13 0.1 undecidable manual P 212 27.4503 50 -0.11 95
IV.FDMO.HHZ. 2021-05-22T00:01:53.83 0.3 undecidable manual S 5 14.874 126 -0.08 73
IT.MTCL.HGZ. 2021-05-22T00:01:52.88 0.3 undecidable manual S 330 11.5773 133 -0.16 72
IV.FEMA.HNZ. 2021-05-22T00:01:52.13 0.3 undecidable manual S 345 6.6933 148 0.18 73
IV.CSP1.EHZ. 2021-05-22T00:01:52.59 0.1 undecidable manual P 27 23.5542 50 -0.05 97
IV.MC2.EHZ. 2021-05-22T00:01:52.63 0.3 undecidable manual S 85 9.6792 138 0.07 74
IV.MMO1.EHZ. 2021-05-22T00:01:52.06 3.0 positive manual P -0.4 0
IV.MML1.EHZ. 2021-05-22T00:01:52.38 0.3 undecidable manual P 341 24.6531 50 -0.43 67
IV.FDMO.HHZ. 2021-05-22T00:01:51.22 0.1 undecidable manual P 5 14.874 126 0 99
IV.NRCA.HHZ. 2021-05-22T00:01:51.95 0.3 undecidable manual S 156 8.4804 142 -0.36 70
IV.CESI.HHZ. 2021-05-22T00:01:51.76 0.1 undecidable manual P 310 17.5713 121 0.08 97
IV.MC2.EHZ. 2021-05-22T00:01:50.60 0.1 undecidable manual P 85 9.6792 138 0.16 97
IT.MTCL.HGZ. 2021-05-22T00:01:50.79 0.3 undecidable manual P 330 11.5773 133 0.07 74
IV.FEMA.HNZ. 2021-05-22T00:01:50.30 0.3 undecidable manual P 345 6.6933 148 0.21 72
IV.NRCA.HHZ. 2021-05-22T00:01:50.28 0.1 undecidable manual P 156 8.4804 142 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.4 0.0003095 0.1 AML other m 2021-05-22T00:01:52.17
IV.NRCA.HHE. ML:1.3 0.000255 0.08 AML other m 2021-05-22T00:01:52.17
IV.FDMO.HHE. ML:0.9 0.00007883997499999999 0.2 AML other m 2021-05-22T00:01:53.94
IV.FDMO.HHN. ML:0.8 0.0000554 0.16 AML other m 2021-05-22T00:01:54.28
IV.CESI.HHE. ML:1.1 0.000112 0.14 AML other m 2021-05-22T00:01:55.02
IV.CESI.HHN. ML:1.5 0.00024249999999999999 0.14 AML other m 2021-05-22T00:01:55.09
IV.ASSB.HHN. ML:0.7 0.000019911159999999997 0.16 AML other m 2021-05-22T00:02:01.16
IV.ASSB.HHE. ML:0.7 0.000019561025000000003 0.2 AML other m 2021-05-22T00:02:00.35
IV.NRCA.HNE. ML:1.3 0.0002667341 0.09 AML other m 2021-05-22T00:01:52.22
IV.NRCA.HNN. ML:1.3 0.0002846998 0.11 AML other m 2021-05-22T00:01:52.18
IV.CESI.HNE. ML:1.0 0.00007975802999999999 0.11 AML other m 2021-05-22T00:01:55.35
IV.CESI.HNN. ML:1.5 0.00023510185 0.13 AML other m 2021-05-22T00:01:55.02
IV.CSP1.EHE. ML:1.2 0.00009365489499999998 0.16 AML other m 2021-05-22T00:01:56.94
IV.CSP1.EHN. ML:1.5 0.00018359865 0.16 AML other m 2021-05-22T00:01:56.45
IV.GAVE.EHE. ML:1.0 0.000052549214999999996 0.14 AML other m 2021-05-22T00:01:57.43
IV.GAVE.EHN. ML:1.1 0.000062023195 0.18 AML other m 2021-05-22T00:01:58.13
IV.GAVE.HNE. ML:1.1 0.00006281903499999999 0.14 AML other m 2021-05-22T00:01:57.48
IV.MF5.EHE. ML:1.1 0.000055720204999999996 0.16 AML other m 2021-05-22T00:02:00.18
IV.MF5.EHN. ML:0.9 0.000033702605 0.18 AML other m 2021-05-22T00:02:00.19
IV.MNTT.EHE. ML:1.5 0.0000963297 0.18 AML other m 2021-05-22T00:02:05.51
IV.MNTT.EHN. ML:1.4 0.0000640941565 0.24 AML other m 2021-05-22T00:02:05.02
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