Earthquake with magnitude of ML 1.2 on date 05-08-2020 and time 17:55:00 (Italy) in region 1 km E Ussita (MC)

A magnitude ML 1.2 earthquake occured in region: 1 km E Ussita (MC), on

  • 05-08-2020 15:55:00 (UTC)
  • 05-08-2020 17:55:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9460, 13.1460 at 8 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 5 1107 1551
Castelsantangelo sul Nera MC 6 281 1832
Bolognola MC 9 142 1974
Acquacanina MC 10 121 2095
Fiastra MC 10 559 2654
Fiordimonte MC 11 202 2856
Preci PG 11 724 3580
Monte Cavallo MC 13 145 3725
Pieve Torina MC 14 1458 5183
Pievebovigliana MC 14 866 6049
Montemonaco AP 16 604 6653
Montefortino FM 16 1178 7831
Sarnano MC 16 3264 11095
Muccia MC 17 915 12010
Norcia PG 18 4957 16967
Amandola FM 18 3629 20596
Sellano PG 19 1079 21675
Montegallo AP 19 523 22198

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
56 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
64 Km E of Perugia (166134 inhabitants)
69 Km NW of L'Aquila (69753 inhabitants)
81 Km SW of Ancona (100861 inhabitants)
95 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 1.2 2020-08-05
15:55:00
42.9458 13.1458 8 2020-08-05
16:01:13
Sala Sismica INGV-Roma 81679141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-05 15:55:00 ± 0.05
Latitude 42.9458 ± 0.0018
Longitude 13.1458 ± 0.0025
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81679141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 213
Semi-minor axis of confidence ellipse (meter) 96
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 218
Circular confidence region, given by single value of horizontal uncertainty (meter) 210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.04676
Epicentral distance of station farthest from the epicenter (degree) 0.36872
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 81679141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-05 16:01:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2020-08-05T15:55:15.07 0.6 undecidable manual S 285 40.9257 50 0.17 46
IV.ASSB.HHZ. 2020-08-05T15:55:08.78 0.3 undecidable manual P 285 40.9257 50 -0.18 69
IV.MMO1.EHZ. 2020-08-05T15:55:07.05 0.1 undecidable manual S 109 15.5733 117 0.12 97
IV.CSP1.EHZ. 2020-08-05T15:55:07.44 0.3 undecidable manual S 16 16.872 116 0.1 73
IV.NRCA.HHZ. 2020-08-05T15:55:06.17 0.3 undecidable manual S 192 12.6762 122 0.1 74
IT.MTCL.HGZ. 2020-08-05T15:55:06.06 0.6 undecidable manual S 294 12.9759 122 -0.1 49
IV.FDMO.HHZ. 2020-08-05T15:55:05.63 0.3 undecidable manual S 335 11.0778 126 0.02 75
IV.CSP1.EHZ. 2020-08-05T15:55:04.49 0.6 positive manual P 16 16.872 116 -0.11 49
IV.FEMA.HNZ. 2020-08-05T15:55:04.83 0.3 undecidable manual S 283 7.9809 135 0.04 75
IV.MC2.EHZ. 2020-08-05T15:55:04.02 0.3 undecidable manual S 137 5.1948 147 -0.15 74
IV.MMO1.EHZ. 2020-08-05T15:55:04.29 0.6 undecidable manual P 109 15.5733 117 -0.07 49
IV.FDMO.HHZ. 2020-08-05T15:55:03.50 0.6 positive manual P 335 11.0778 126 -0.1 49
IV.NRCA.HHZ. 2020-08-05T15:55:03.85 0.1 undecidable manual P 192 12.6762 122 -0.01 100
IV.FEMA.HNZ. 2020-08-05T15:55:03.20 0.1 undecidable manual P 283 7.9809 135 0.08 99
IT.MTCL.HGZ. 2020-08-05T15:55:03.93 0.1 undecidable manual P 294 12.9759 122 0.02 100
IV.MC2.EHZ. 2020-08-05T15:55:02.63 0.6 negative manual P 137 5.1948 147 -0.14 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.1 0.00015880585 0.3072 AML other m 2020-08-05T15:55:07.07
IV.FDMO.HHN. ML:1.1 0.0001705768 0.2432 AML other m 2020-08-05T15:55:06.48
IV.NRCA.HHE. ML:1.5 0.0003583575 0.1792 AML other m 2020-08-05T15:55:07.26
IV.NRCA.HHN. ML:1.4 0.0002900557 0.128 AML other m 2020-08-05T15:55:07.44
IV.NRCA.HNE. ML:1.4 0.00033705945000000006 0.128 AML other m 2020-08-05T15:55:07.11
IV.NRCA.HNN. ML:1.4 0.00028158192500000003 0.128 AML other m 2020-08-05T15:55:07.50
IV.CSP1.EHE. ML:0.9 0.000080596955 0.3712 AML other m 2020-08-05T15:55:07.59
IV.CSP1.EHN. ML:0.6 0.000041496215000000005 0.3072 AML other m 2020-08-05T15:55:09.59
IV.ASSB.HHE. ML:1.0 0.000036004549999999994 0.1536 AML other m 2020-08-05T15:55:17.24
IV.ASSB.HHN. ML:0.8 0.000021787850999999998 0.192 AML other m 2020-08-05T15:55:17.98
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