Earthquake with magnitude of ML 0.9 on date 22-05-2020 and time 19:18:28 (Italy) in region 1 km NW Ussita (MC)

A magnitude ML 0.9 earthquake occured in region: 1 km NW Ussita (MC), on

  • 22-05-2020 17:18:28 (UTC)
  • 22-05-2020 19:18:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9530, 13.1310 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ussita MC 1 444 444
Visso MC 4 1107 1551
Castelsantangelo sul Nera MC 7 281 1832
Bolognola MC 9 142 1974
Acquacanina MC 9 121 2095
Fiastra MC 10 559 2654
Fiordimonte MC 10 202 2856
Preci PG 11 724 3580
Monte Cavallo MC 11 145 3725
Pieve Torina MC 12 1458 5183
Pievebovigliana MC 13 866 6049
Muccia MC 16 915 6964
Sarnano MC 17 3264 10228
Montemonaco AP 17 604 10832
Montefortino FM 17 1178 12010
Norcia PG 18 4957 16967
Sellano PG 18 1079 18046
Amandola FM 19 3629 21675
Serravalle di Chienti MC 20 1070 22745

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
63 Km E of Perugia (166134 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
97 Km NW of Montesilvano (53738 inhabitants)
100 Km S of Fano (60888 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 2020-05-22
17:18:28
42.9533 13.131 6 2020-05-22
17:37:16
Sala Sismica INGV-Roma 79456691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-22 17:18:28 ± 0.16
Latitude 42.9533 ± 0.0036
Longitude 13.1310 ± 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 79456691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 389
Semi-minor axis of confidence ellipse (meter) 112
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 18
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
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) 0.24282
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 79456691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-22 17:37:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2020-05-22T17:18:38.52 0.3 undecidable manual S 82 26.9508 103 0.45 66
IV.GUMA.HHE. 2020-05-22T17:18:36.32 0.1 undecidable manual S 54 20.5683 107 0.41 90
IV.ASSB.HHZ. 2020-05-22T17:18:35.56 3.0 undecidable manual P -0.11 0
IV.CESI.HHZ. 2020-05-22T17:18:35.92 0.1 undecidable manual S 287 19.2696 108 0.44 90
IV.MF5.EHZ. 2020-05-22T17:18:34.02 0.1 undecidable manual P 82 26.9508 103 0.01 97
IV.CSP1.EHZ. 2020-05-22T17:18:34.32 0.1 undecidable manual S 21 16.4724 111 -0.26 94
IV.MMO1.EHZ. 2020-05-22T17:18:34.59 0.1 undecidable manual S 111 16.9719 110 -0.16 95
IV.NRCA.HHZ. 2020-05-22T17:18:33.93 0.3 undecidable manual S 186 13.3755 115 0.35 69
IV.CESI.HHZ. 2020-05-22T17:18:32.43 0.6 undecidable manual P 287 19.2696 108 -0.09 48
IT.MTCL.HGZ. 2020-05-22T17:18:32.97 0.1 undecidable manual S 293 11.5773 118 -0.06 98
IV.FDMO.HHZ. 2020-05-22T17:18:32.54 0.3 undecidable manual S 339 9.879 122 0.02 75
IV.GUMA.HHE. 2020-05-22T17:18:32.74 0.1 undecidable manual P 54 20.5683 107 -0.03 97
IV.NRCA.HHZ. 2020-05-22T17:18:31.27 0.1 negative manual P 186 13.3755 115 -0.15 96
IV.MC2.EHZ. 2020-05-22T17:18:31.60 0.1 undecidable manual S 135 6.5934 133 -0.02 100
IV.CSP1.EHZ. 2020-05-22T17:18:31.73 1.0 negative manual P 21 16.4724 111 -0.27 23
IV.MMO1.EHZ. 2020-05-22T17:18:31.74 0.6 negative manual P 111 16.9719 110 -0.36 46
IV.FDMO.HHZ. 2020-05-22T17:18:30.55 0.6 undecidable manual P 339 9.879 122 -0.26 47
IT.MTCL.HGZ. 2020-05-22T17:18:30.95 0.1 undecidable manual P 293 11.5773 118 -0.15 96
IV.MC2.EHZ. 2020-05-22T17:18:30.10 0.3 undecidable manual P 135 6.5934 133 -0.19 72
IV.FEMA.HNZ. 2020-05-22T17:18:30.29 0.3 undecidable manual P 278 6.6933 133 -0.01 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.0 0.0001343646 0.192 AML other m 2020-05-22T17:18:32.78
IV.FDMO.HHE. ML:0.0 0.00012110543500000001 0.1664 AML other m 2020-05-22T17:18:32.98
IV.NRCA.HNE. ML:0.0 0.0002282229 0.1408 AML other m 2020-05-22T17:18:34.39
IV.NRCA.HHE. ML:0.0 0.0002456003 0.128 AML other m 2020-05-22T17:18:34.45
IV.NRCA.HHN. ML:0.0 0.000109375415 0.1664 AML other m 2020-05-22T17:18:34.25
IV.CSP1.EHE. ML:0.0 0.000031399564999999994 0.2432 AML other m 2020-05-22T17:18:35.05
IV.CESI.HHN. ML:0.0 0.00005132863 0.2944 AML other m 2020-05-22T17:18:36.48
IV.CESI.HHE. ML:0.0 0.000036603585 0.2432 AML other m 2020-05-22T17:18:36.27
IV.ASSB.HHN. ML:0.0 0.0000114129156 0.256 AML other m 2020-05-22T17:18:44.40
IV.ASSB.HHE. ML:0.0 0.00001549572 0.1664 AML other m 2020-05-22T17:18:42.43
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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