Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 15-02-2020 and time 11:58:50 (UTC) in region 1 km NE Acquacanina (MC)

A magnitude ML 1.0 earthquake occured in region: 1 km NE Acquacanina (MC), on

  • 15-02-2020 11:58:50 (UTC)
  • 15-02-2020 12:58:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0390, 13.1890 at 29 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Acquacanina MC 2 121 121
Fiastra MC 3 559 680
Bolognola MC 6 142 822
Fiordimonte MC 8 202 1024
Pievebovigliana MC 9 866 1890
Sarnano MC 9 3264 5154
Cessapalombo MC 10 512 5666
Ussita MC 11 444 6110
Pieve Torina MC 11 1458 7568
Caldarola MC 12 1823 9391
Camporotondo di Fiastrone MC 12 563 9954
Gualdo MC 13 815 10769
Muccia MC 13 915 11684
San Ginesio MC 13 3498 15182
Visso MC 15 1107 16289
Belforte del Chienti MC 15 1886 18175
Camerino MC 15 6974 25149
Amandola FM 15 3629 28778
Serrapetrona MC 15 966 29744
Monte Cavallo MC 16 145 29889
Castelsantangelo sul Nera MC 16 281 30170
Montefortino FM 16 1178 31348
Sant'Angelo in Pontano MC 18 1436 32784
Ripe San Ginesio MC 19 852 33636
Montemonaco AP 19 604 34240
Penna San Giovanni MC 19 1108 35348
Colmurano MC 20 1263 36611
Serravalle di Chienti MC 20 1070 37681

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
65 Km E of Perugia (166134 inhabitants)
69 Km NE of Terni (111501 inhabitants)
70 Km SW of Ancona (100861 inhabitants)
78 Km N of L'Aquila (69753 inhabitants)
91 Km S of Fano (60888 inhabitants)
98 Km NW of Montesilvano (53738 inhabitants)
99 Km S of Pesaro (94582 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 1.0 2020-02-15
11:58:50		 43.0393 13.1892 29 2020-02-15
12:06:10		 Sala Sismica INGV-Roma 76538791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-15 11:58:50 ± 0.18
Latitude 43.0393 ± 0.0045
Longitude 13.1892 ± 0.0074
Depth (km) 29 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 76538791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 635
Semi-minor axis of confidence ellipse (meter) 235
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 244
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
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 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29678
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:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 76538791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-15 12:06:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PE3.EHZ. 2020-02-15T11:59:03.61 3.0 undecidable manual P -0.01 0
IV.EL6.EHZ. 2020-02-15T11:59:03.55 0.6 undecidable manual S 348 32.9448 126 0.34 61
IV.MF5.EHZ. 2020-02-15T11:59:01.68 0.6 undecidable manual S 104 22.6551 138 0.5 60
IV.CESI.HHZ. 2020-02-15T11:59:01.50 0.3 undecidable manual S 261 23.3544 137 0.2 94
IV.NRCA.HHZ. 2020-02-15T11:59:01.37 0.6 undecidable manual S 195 23.6541 137 0.03 65
IV.MML1.HNZ. 2020-02-15T11:59:00.83 0.3 undecidable manual S 295 19.4694 143 0.2 95
IV.MC2.EHZ. 2020-02-15T11:59:00.16 0.3 undecidable manual S 180 14.1747 151 0.3 95
IV.MMO1.EHZ. 2020-02-15T11:59:00.54 0.3 undecidable manual S 144 19.1697 143 -0.03 98
IV.FDMO.HHZ. 2020-02-15T11:58:59.05 0.3 undecidable manual S 268 8.2806 162 -0.18 98
IV.CSP1.EHZ. 2020-02-15T11:58:59.02 0.3 undecidable manual S 12 5.994 167 -0.05 100
IV.PF6.EHZ. 2020-02-15T11:58:59.17 0.3 undecidable manual S 2 10.9779 157 -0.31 94
IV.EL6.EHZ. 2020-02-15T11:58:57.75 0.6 undecidable manual P 348 32.9448 126 0 65
IV.MF5.EHZ. 2020-02-15T11:58:56.96 0.6 undecidable manual P 104 22.6551 138 0.38 61
IV.CESI.HHZ. 2020-02-15T11:58:56.61 0.3 undecidable manual P 261 23.3544 137 -0.04 99
IV.NRCA.HHZ. 2020-02-15T11:58:56.45 0.6 undecidable manual P 195 23.6541 137 -0.22 63
IV.MML1.HNZ. 2020-02-15T11:58:56.25 0.3 undecidable manual P 295 19.4694 143 -0.01 99
IV.CSP1.EHZ. 2020-02-15T11:58:55.28 0.3 undecidable manual P 12 5.994 167 -0.08 100
IV.PF6.EHZ. 2020-02-15T11:58:55.47 0.3 undecidable manual P 2 10.9779 157 -0.13 98
IV.MMO1.EHZ. 2020-02-15T11:58:55.94 0.3 undecidable manual P 144 19.1697 143 -0.29 94
IV.FDMO.HHZ. 2020-02-15T11:58:55.17 0.3 undecidable manual P 268 8.2806 162 -0.28 96
IV.MC2.EHZ. 2020-02-15T11:58:55.88 0.3 undecidable manual P 180 14.1747 151 0.06 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.0 0.000056484569999999996 0.1792 AML other m 2020-02-15T11:58:59.25
IV.FDMO.HHN. ML:0.9 0.00004170591 0.1408 AML other m 2020-02-15T11:58:59.45
IV.CSP1.EHE. ML:1.0 0.00004761697999999999 0.1792 AML other m 2020-02-15T11:58:59.38
IV.CSP1.EHN. ML:0.9 0.00004091107 0.16 AML other m 2020-02-15T11:58:59.90
IV.CESI.HHE. ML:0.8 0.000023127281 0.1344 AML other m 2020-02-15T11:59:01.79
IV.CESI.HHN. ML:0.8 0.000027298714999999998 0.1152 AML other m 2020-02-15T11:59:01.80
IV.CESI.HNE. ML:1.0 0.0000410985675 0.384 AML other m 2020-02-15T11:59:01.60
IV.CESI.HNN. ML:1.0 0.00003933831 0.6976 AML other m 2020-02-15T11:59:01.99
IV.EL6.EHE. ML:1.2 0.000047057505 0.1792 AML other m 2020-02-15T11:59:04.27
IV.EL6.EHN. ML:1.3 0.000063310305 0.2624 AML other m 2020-02-15T11:59:04.44
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