Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 25-02-2020 and time 06:46:30 (Italy) in region 2 km N Ussita (MC)

A magnitude ML 1.3 earthquake occured in region: 2 km N Ussita (MC), on

  • 25-02-2020 05:46:30 (UTC)
  • 25-02-2020 06:46:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9640, 13.1350 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 2 444 444
Visso MC 5 1107 1551
Castelsantangelo sul Nera MC 8 281 1832
Acquacanina MC 8 121 1953
Bolognola MC 8 142 2095
Fiastra MC 8 559 2654
Fiordimonte MC 9 202 2856
Monte Cavallo MC 11 145 3001
Pieve Torina MC 11 1458 4459
Pievebovigliana MC 12 866 5325
Preci PG 12 724 6049
Muccia MC 15 915 6964
Sarnano MC 16 3264 10228
Montefortino FM 17 1178 11406
Montemonaco AP 17 604 12010
Amandola FM 18 3629 15639
Sellano PG 19 1079 16718
Cessapalombo MC 19 512 17230
Norcia PG 19 4957 22187
Serravalle di Chienti MC 19 1070 23257
Camerino MC 20 6974 30231

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
58 Km NW of Teramo (54892 inhabitants)
60 Km NE of Terni (111501 inhabitants)
63 Km E of Perugia (166134 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
97 Km NW of Montesilvano (53738 inhabitants)
98 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
Bulletin
Rev1000 		ML 1.3 2020-02-25
05:46:30		 42.9635 13.1352 10 2020-07-18
21:08:38		 Bollettino Sismico Italiano INGV 79663661
Reviewed
Rev100 		ML 1.3 2020-02-25
05:46:30		 42.9667 13.1412 10 2020-02-25
05:52:49		 Sala Sismica INGV-Roma 76791411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-25 05:46:30 ± 0.04
Latitude 42.9635 ± 0.0018
Longitude 13.1352 ± 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 79663661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 260
Semi-minor axis of confidence ellipse (meter) 194
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.06205
Epicentral distance of station farthest from the epicenter (degree) 0.48384
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 33
Type of magnitude ML
Reference to an origin 79663661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-24 17:50:25

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 33
Type of magnitude ML
Reference to an origin 76791411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-25 05:52:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2020-02-25T05:46:43.84 0.6 undecidable manual S 356 40.626 50 0.06 47
IV.SMA1.EHZ. 2020-02-25T05:46:43.76 0.6 undecidable manual S 156 40.3263 50 0.06 47
IV.GAVE.EHZ. 2020-02-25T05:46:42.58 0.6 undecidable manual S 213 35.9418 50 0.07 47
IV.MF5.EHZ. 2020-02-25T05:46:40.49 0.6 undecidable manual S 84 26.4513 50 0.5 44
IV.RM33.EHZ. 2020-02-25T05:46:39.35 0.3 undecidable manual P 173 50.8158 50 -0.27 66
IV.TERO.HHZ. 2020-02-25T05:46:39.96 0.3 undecidable manual P 135 53.7018 50 -0.11 68
IV.CAMP.HHZ. 2020-02-25T05:46:39.73 0.3 undecidable manual P 155 52.4031 50 -0.14 68
IV.GUMA.HHZ. 2020-02-25T05:46:38.13 0.3 undecidable manual S 56 19.5693 117 0.23 71
IV.MML1.EHN. 2020-02-25T05:46:38.26 0.6 undecidable manual S 322 21.2676 115 -0.16 48
IV.GAVE.EHZ. 2020-02-25T05:46:37.30 0.1 undecidable manual P 213 35.9418 50 -0.02 96
IV.EL6.EHZ. 2020-02-25T05:46:37.84 0.3 undecidable manual P 356 40.626 50 -0.22 68
IV.SMA1.EHZ. 2020-02-25T05:46:37.90 0.3 undecidable manual P 156 40.3263 50 -0.11 70
IV.CESI.HHZ. 2020-02-25T05:46:37.90 0.6 undecidable manual S 284 19.2696 118 0.1 48
IV.MF5.EHZ. 2020-02-25T05:46:36.02 0.1 undecidable manual P 84 26.4513 50 0.15 95
IV.NRCA.HNZ. 2020-02-25T05:46:36.24 0.6 undecidable manual S 187 14.4744 125 -0.14 48
IV.CSP1.EHZ. 2020-02-25T05:46:36.24 0.6 undecidable manual S 22 15.2736 123 -0.38 46
IV.MMO1.EHZ. 2020-02-25T05:46:36.80 0.6 undecidable manual S 114 17.0718 121 -0.35 46
IT.MTCL.HGE. 2020-02-25T05:46:35.52 0.3 undecidable manual S 287 11.4774 131 -0.05 74
IV.MMO1.EHZ. 2020-02-25T05:46:34.11 0.1 undecidable manual P 114 17.0718 121 -0.12 97
IV.MC2.EHZ. 2020-02-25T05:46:34.58 0.3 undecidable manual S 143 7.2927 144 0.02 75
IV.CESI.HHZ. 2020-02-25T05:46:34.70 0.1 positive manual P 284 19.2696 118 0.09 97
IV.FDMO.HHZ. 2020-02-25T05:46:34.60 0.6 undecidable manual S 334 8.9799 138 -0.34 47
IV.GUMA.HHZ. 2020-02-25T05:46:34.79 0.1 positive manual P 56 19.5693 117 0.12 96
IV.FEMA.HNE. 2020-02-25T05:46:34.69 0.3 undecidable manual S 269 6.8931 146 0.19 73
IV.MML1.EHN. 2020-02-25T05:46:34.92 0.1 undecidable manual P 322 21.2676 115 -0.05 98
IV.FEMA.HNE. 2020-02-25T05:46:33.10 0.3 undecidable manual P 269 6.8931 146 0.4 70
IT.MTCL.HGE. 2020-02-25T05:46:33.37 0.3 undecidable manual P 287 11.4774 131 0.05 74
IV.NRCA.HNZ. 2020-02-25T05:46:33.83 0.1 positive manual P 187 14.4744 125 0.04 99
IV.CSP1.EHZ. 2020-02-25T05:46:33.90 0.1 undecidable manual P 22 15.2736 123 -0.03 99
IV.MC2.EHZ. 2020-02-25T05:46:32.87 0.1 undecidable manual P 143 7.2927 144 0.13 98
IV.FDMO.HHZ. 2020-02-25T05:46:32.93 0.1 negative manual P 334 8.9799 138 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.3 0.00025747240000000005 0.1984 AML other m 2020-02-25T05:46:34.64
IV.FDMO.HHN. ML:1.3 0.0002476161 0.16 AML other m 2020-02-25T05:46:35.09
IV.NRCA.HNE. ML:1.6 0.00042865515 0.1472 AML other m 2020-02-25T05:46:36.30
IV.NRCA.HHE. ML:1.7 0.00044707215 0.16 AML other m 2020-02-25T05:46:36.31
IV.CSP1.EHN. ML:1.4 0.00023758145 0.1984 AML other m 2020-02-25T05:46:36.46
IV.CSP1.EHE. ML:1.6 0.00034172475 0.1216 AML other m 2020-02-25T05:46:36.51
IV.NRCA.HNN. ML:1.5 0.00030361864999999997 0.1216 AML other m 2020-02-25T05:46:36.83
IV.NRCA.HHN. ML:1.5 0.00031675385 0.0768 AML other m 2020-02-25T05:46:37.06
IV.GUMA.HHN. ML:1.8 0.00046708569999999997 0.2592 AML other m 2020-02-25T05:46:38.28
IV.GUMA.HNE. ML:1.8 0.00046820879999999996 0.3072 AML other m 2020-02-25T05:46:38.26
IV.CESI.HHE. ML:1.1 0.00009899346000000001 0.16 AML other m 2020-02-25T05:46:38.54
IV.CESI.HNE. ML:1.2 0.00011372286000000001 0.16 AML other m 2020-02-25T05:46:38.62
IV.CESI.HHN. ML:1.2 0.00013170695 0.16 AML other m 2020-02-25T05:46:39.22
IV.GUMA.HHE. ML:1.6 0.00030145350000000004 0.24 AML other m 2020-02-25T05:46:39.44
IV.CESI.HNN. ML:1.2 0.00011865213000000001 0.2016 AML other m 2020-02-25T05:46:40.10
IV.GUMA.HNN. ML:1.7 0.0003967466 0.6112 AML other m 2020-02-25T05:46:40.92
IV.MF5.EHN. ML:1.2 0.00008495681 0.1408 AML other m 2020-02-25T05:46:40.89
IV.MF5.EHE. ML:1.2 0.00007877545499999999 0.16 AML other m 2020-02-25T05:46:40.89
IV.GAVE.HNE. ML:1.6 0.00015162510000000002 0.1216 AML other m 2020-02-25T05:46:42.97
IV.GAVE.EHE. ML:1.6 0.00014273550000000002 0.0992 AML other m 2020-02-25T05:46:42.92
IV.GAVE.EHN. ML:1.5 0.00013443660000000003 0.2016 AML other m 2020-02-25T05:46:43.16
IV.EL6.EHN. ML:1.2 0.00004763635500000001 0.1824 AML other m 2020-02-25T05:46:44.93
IV.SMA1.EHE. ML:0.9 0.00002511491 0.1792 AML other m 2020-02-25T05:46:46.17
IV.CAMP.HHE. ML:1.0 0.000023190639999999997 0.2176 AML other m 2020-02-25T05:46:47.21
IV.RM33.EHE. ML:1.1 0.00003236837 0.1984 AML other m 2020-02-25T05:46:47.33
IV.SMA1.EHN. ML:1.0 0.00003079779 0.2816 AML other m 2020-02-25T05:46:47.30
IV.EL6.EHE. ML:1.1 0.00004396101500000001 0.2976 AML other m 2020-02-25T05:46:47.63
IV.RM33.EHN. ML:1.0 0.000027461819999999997 0.16 AML other m 2020-02-25T05:46:48.11
IV.TERO.HHN. ML:0.9 0.000020288235000000002 0.08 AML other m 2020-02-25T05:46:48.60
IV.TERO.HHE. ML:0.8 0.000015837274999999997 0.0992 AML other m 2020-02-25T05:46:48.64
IV.GAVE.HNN. ML:1.7 0.0001949428 1.1712 AML other m 2020-02-25T05:46:51.68
IV.FAGN.HHN. ML:1.4 0.000031066685 0.16 AML other m 2020-02-25T05:46:52.07
IV.FAGN.HHE. ML:1.4 0.00002921911 0.16 AML other m 2020-02-25T05:46:52.26
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