Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 24-01-2020 and time 22:04:35 (UTC) in region 5 km SW Fiordimonte (MC)

A magnitude ML 1.0 earthquake occured in region: 5 km SW Fiordimonte (MC), on

  • 24-01-2020 22:04:35 (UTC)
  • 24-01-2020 23:04:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9970, 13.0690 at 11 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
Fiordimonte MC 5 202 202
Monte Cavallo MC 5 145 347
Pieve Torina MC 6 1458 1805
Visso MC 7 1107 2912
Pievebovigliana MC 8 866 3778
Ussita MC 8 444 4222
Fiastra MC 8 559 4781
Acquacanina MC 10 121 4902
Muccia MC 10 915 5817
Serravalle di Chienti MC 13 1070 6887
Bolognola MC 13 142 7029
Preci PG 13 724 7753
Castelsantangelo sul Nera MC 13 281 8034
Camerino MC 16 6974 15008
Sellano PG 17 1079 16087
Sefro MC 19 422 16509
Sarnano MC 20 3264 19773
Cessapalombo MC 20 512 20285

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
57 Km E of Perugia (166134 inhabitants)
59 Km NE of Terni (111501 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
94 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 1.0 2020-01-24
22:04:35		 42.9967 13.0687 11 2020-01-24
22:12:00		 Sala Sismica INGV-Roma 75813101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-24 22:04:35 ± 0.05
Latitude 42.9967 ± 0.0045
Longitude 13.0687 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 75813101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 483
Semi-minor axis of confidence ellipse (meter) 235
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) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.04227
Epicentral distance of station farthest from the epicenter (degree) 0.30307
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:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 75813101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-24 22:12:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2020-01-24T22:04:41.64 0.1 positive manual P 279 33.6441 50 -0.09 95
IV.MC2.EHZ. 2020-01-24T22:04:41.15 0.1 undecidable manual S 134 13.5753 129 -0.02 100
IV.CESI.HHZ. 2020-01-24T22:04:41.07 0.1 undecidable manual S 274 13.3755 129 -0.03 100
IV.MF5.EHZ. 2020-01-24T22:04:41.82 1.0 positive manual P 92 31.746 50 0.38 22
IV.MMO1.EHZ. 2020-01-24T22:04:40.07 0.3 positive manual P 117 23.5542 50 -0.11 72
IV.NRCA.HHZ. 2020-01-24T22:04:39.30 0.6 positive manual P 168 18.4704 50 -0.09 49
IV.FDMO.HHZ. 2020-01-24T22:04:39.07 0.1 undecidable manual S 19 4.6953 157 -0.17 98
IV.CESI.HHZ. 2020-01-24T22:04:38.72 0.1 undecidable manual P 274 13.3755 129 0.15 97
IV.CSP1.EHZ. 2020-01-24T22:04:38.92 0.1 positive manual P 46 15.2736 126 0.05 99
IV.MC2.EHZ. 2020-01-24T22:04:38.69 0.6 undecidable manual P 134 13.5753 129 0.08 49
IV.FDMO.HHZ. 2020-01-24T22:04:37.58 0.1 undecidable manual P 19 4.6953 157 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.3 0.0003025 0.2 AML other m 2020-01-24T22:04:39.19
IV.FDMO.HHN. ML:1.4 0.00034399999999999996 0.18 AML other m 2020-01-24T22:04:39.33
IV.CESI.HHN. ML:1.1 0.00011595 0.36 AML other m 2020-01-24T22:04:41.37
IV.CESI.HHE. ML:1.0 0.0000921 0.24 AML other m 2020-01-24T22:04:41.49
IV.NRCA.HHE. ML:0.8 0.000043249999999999994 1.26 AML other m 2020-01-24T22:04:43.06
IV.NRCA.HHN. ML:0.8 0.0000557 1.4 AML other m 2020-01-24T22:04:43.81
IV.ASSB.HHE. ML:1.0 0.00003775 0.3 AML other m 2020-01-24T22:04:46.82
IV.ASSB.HHN. ML:1.0 0.00004435 1.32 AML other m 2020-01-24T22:04:47.02
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