Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 25-10-2020 and time 06:24:07 (UTC) in region 5 km SW Acquacanina (MC)

A magnitude ML 1.2 earthquake occured in region: 5 km SW Acquacanina (MC), on

  • 25-10-2020 06:24:07 (UTC)
  • 25-10-2020 07:24:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9920, 13.1520 at 9 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 5 121 121
Fiastra MC 5 559 680
Ussita MC 5 444 1124
Bolognola MC 6 142 1266
Fiordimonte MC 7 202 1468
Visso MC 8 1107 2575
Pievebovigliana MC 10 866 3441
Pieve Torina MC 10 1458 4899
Castelsantangelo sul Nera MC 11 281 5180
Monte Cavallo MC 12 145 5325
Sarnano MC 13 3264 8589
Muccia MC 13 915 9504
Preci PG 16 724 10228
Cessapalombo MC 16 512 10740
Montefortino FM 16 1178 11918
Amandola FM 17 3629 15547
Camerino MC 17 6974 22521
Gualdo MC 17 815 23336
Caldarola MC 18 1823 25159
Montemonaco AP 18 604 25763
Camporotondo di Fiastrone MC 18 563 26326
Serravalle di Chienti MC 19 1070 27396
San Ginesio MC 19 3498 30894

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
58 Km NW of Teramo (54892 inhabitants)
63 Km NE of Terni (111501 inhabitants)
63 Km E of Perugia (166134 inhabitants)
74 Km N of L'Aquila (69753 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
95 Km S of Fano (60888 inhabitants)
97 Km NW 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 2020-10-25
06:24:07		 42.9918 13.1517 9 2020-10-25
06:29:07		 Sala Sismica INGV-Roma 84108641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-25 06:24:07 ± 0.08
Latitude 42.9918 ± 0.0036
Longitude 13.1517 ± 0.0049
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84108641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 369
Semi-minor axis of confidence ellipse (meter) 126
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 215
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36333
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 84108641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-25 06:29:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRTC.HHZ. 2020-10-25T06:24:31.56 3.0 undecidable manual S -4.12 0
IV.ARVD.HHZ. 2020-10-25T06:24:26.89 3.0 undecidable manual S 0.18 0
IV.ASSB.HHZ. 2020-10-25T06:24:15.23 0.1 positive manual P 278 40.3263 50 -0.15 93
IV.CESI.HHZ. 2020-10-25T06:24:15.44 0.3 undecidable manual S 274 20.0688 114 0.35 69
IV.GUMA.HHZ. 2020-10-25T06:24:14.45 0.3 undecidable manual S 62 16.872 118 0.38 69
IV.NRCA.HHZ. 2020-10-25T06:24:14.30 0.3 undecidable manual S 190 17.871 117 -0.08 73
IV.EL6.EHZ. 2020-10-25T06:24:14.68 1.0 positive manual P 354 37.629 50 -0.28 23
IV.SNTG.HHZ. 2020-10-25T06:24:14.26 0.6 undecidable manual P 330 33.8439 50 -0.11 47
IV.MF5.EHZ. 2020-10-25T06:24:13.09 0.6 undecidable manual P 91 24.9528 110 0.31 46
IV.MMO1.EHZ. 2020-10-25T06:24:13.99 0.3 undecidable manual S 126 17.5713 117 -0.3 70
IV.CESI.HHZ. 2020-10-25T06:24:12.10 0.1 positive manual P 274 20.0688 114 0.23 94
IV.CSP1.EHZ. 2020-10-25T06:24:12.47 0.3 undecidable manual S 21 11.877 127 -0.15 73
IV.FDMO.HHZ. 2020-10-25T06:24:11.05 0.3 undecidable manual S 314 7.1928 141 -0.38 70
IV.MMO1.EHZ. 2020-10-25T06:24:11.32 0.1 undecidable manual P 126 17.5713 117 -0.08 98
IV.MC2.EHZ. 2020-10-25T06:24:11.96 0.3 undecidable manual S 161 9.3795 133 0 76
IV.GUMA.HHZ. 2020-10-25T06:24:11.46 0.3 positive manual P 62 16.872 118 0.18 72
IV.NRCA.HHZ. 2020-10-25T06:24:11.52 0.1 positive manual P 190 17.871 117 0.06 98
IV.CSP1.EHZ. 2020-10-25T06:24:10.38 0.1 positive manual P 21 11.877 127 -0.06 99
IV.MC2.EHZ. 2020-10-25T06:24:10.24 1.0 positive manual P 161 9.3795 133 0.18 24
IV.FDMO.HHZ. 2020-10-25T06:24:09.70 0.1 undecidable manual P 314 7.1928 141 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.1 0.00020999999999999998 0.2 AML other m 2020-10-25T06:24:11.23
IV.FDMO.HHN. ML:1.1 0.00021300000000000003 0.74 AML other m 2020-10-25T06:24:11.40
IV.CSP1.EHN. ML:1.6 0.000426 1.56 AML other m 2020-10-25T06:24:13.16
IV.CSP1.EHE. ML:1.5 0.00039549999999999996 0.66 AML other m 2020-10-25T06:24:13.04
IV.GUMA.HHN. ML:1.4 0.000243 0.14 AML other m 2020-10-25T06:24:14.63
IV.NRCA.HHE. ML:1.3 0.00016849999999999998 0.44 AML other m 2020-10-25T06:24:14.76
IV.GUMA.HHE. ML:1.2 0.000151 0.86 AML other m 2020-10-25T06:24:15.67
IV.NRCA.HHN. ML:1.3 0.000174 1.42 AML other m 2020-10-25T06:24:16.21
IV.CESI.HHE. ML:1.1 0.00010614999999999999 0.6 AML other m 2020-10-25T06:24:16.89
IV.CESI.HHN. ML:1.1 0.00009385 0.42 AML other m 2020-10-25T06:24:16.67
IV.ASSB.HHN. ML:1.0 0.000036 0.84 AML other m 2020-10-25T06:24:21.88
IV.ASSB.HHE. ML:0.9 0.0000307 0.66 AML other m 2020-10-25T06:24:22.28
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