Earthquake with magnitude of ML 0.7 on date 25-09-2021 and time 07:31:14 (Italy) in region 1 km NE Monte Cavallo (MC)

A magnitude ML 0.7 earthquake occured in region: 1 km NE Monte Cavallo (MC), on

  • 25-09-2021 05:31:14 (UTC)
  • 25-09-2021 07:31:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0010, 13.0100 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Monte Cavallo MC 1 145 145
Pieve Torina MC 6 1458 1603
Fiordimonte MC 8 202 1805
Serravalle di Chienti MC 9 1070 2875
Pievebovigliana MC 9 866 3741
Muccia MC 10 915 4656
Visso MC 10 1107 5763
Ussita MC 12 444 6207
Fiastra MC 13 559 6766
Preci PG 14 724 7490
Acquacanina MC 14 121 7611
Sellano PG 14 1079 8690
Camerino MC 16 6974 15664
Castelsantangelo sul Nera MC 17 281 15945
Sefro MC 17 422 16367
Bolognola MC 18 142 16509
Pioraco MC 20 1134 17643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
57 Km NE of Terni (111501 inhabitants)
68 Km NW of Teramo (54892 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
94 Km S of Fano (60888 inhabitants)
98 Km NE of Viterbo (67173 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 0.7 2021-09-25
05:31:14
43.0007 13.0098 9 2021-09-25
05:37:59
Sala Sismica INGV-Roma 95855881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-25 05:31:14 ± 0.13
Latitude 43.0007 ± 0.0036
Longitude 13.0098 ± 0.0037
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 95855881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 335
Semi-minor axis of confidence ellipse (meter) 335
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 314
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.06
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25271
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 95855881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-25 05:37:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.MGRO.HHZ. 2021-09-25T05:32:51.29 3.0 undecidable manual Sg 26.280001 0
IV.PTRP.HHZ. 2021-09-25T05:32:46.10 3.0 undecidable manual Sn 1.92 0
IV.IACL.HHZ. 2021-09-25T05:32:32.21 3.0 undecidable manual Pg 22.23 0
IV.ACATE.EHZ. 2021-09-25T05:32:28.67 3.0 undecidable manual Pn -1.22 0
MN.TRI.HHZ. 2021-09-25T05:32:19.39 3.0 undecidable manual Sn -1.17 0
IV.FREG.EHZ. 2021-09-25T05:32:17.42 3.0 undecidable manual Sn -3.41 0
IV.GATE.HHZ. 2021-09-25T05:32:15.68 3.0 undecidable manual Sn 2.49 0
IV.TREG.EHZ. 2021-09-25T05:32:11.54 3.0 undecidable manual Sg 1.07 0
IX.SRN3.HHZ.02 2021-09-25T05:32:08.27 3.0 positive manual Pg 14.42 0
IV.TDS.HHZ. 2021-09-25T05:32:07.49 3.0 undecidable manual Pn -0.76 0
IV.SBPO.HNZ. 2021-09-25T05:32:06.17 3.0 undecidable manual Sg 5.15 0
IV.PLMA.HHZ. 2021-09-25T05:32:06.11 3.0 undecidable manual Sg 12.52 0
IX.SNR3.EHZ.02 2021-09-25T05:32:06.70 3.0 positive manual Pg 17.15 0
RF.GEPF.HHZ. 2021-09-25T05:31:59.39 3.0 positive manual Pg 9.56 0
IV.CAVE.HHZ. 2021-09-25T05:31:57.46 3.0 undecidable manual Sg 0.89 0
IX.RSF3.HHZ.02 2021-09-25T05:31:47.80 3.0 undecidable manual Pn 0.46 0
IV.SARZ.HHZ. 2021-09-25T05:31:43.25 3.0 negative manual Pn 0.13 0
OT.OT17.EHZ. 2021-09-25T05:31:41.53 3.0 positive manual Pn -1.81 0
IV.BRSN.EHZ. 2021-09-25T05:31:41.40 3.0 undecidable manual Sn 0.21 0
IV.COR1.EHZ. 2021-09-25T05:31:36.22 3.0 undecidable manual Sg 0.61 0
IV.CSP1.EHZ. 2021-09-25T05:31:22.20 0.6 undecidable manual S 57 18.7701 117 -0.04 49
IV.IMOL.HNZ. 2021-09-25T05:31:22.25 3.0 positive manual Pn -1.38 0
IV.MMO1.EHZ. 2021-09-25T05:31:21.07 1.0 positive manual P 114 28.0497 108 0.18 23
IV.MML1.EHZ. 2021-09-25T05:31:20.56 0.6 undecidable manual S 346 12.876 126 0.07 49
IV.CESI.HHZ. 2021-09-25T05:31:19.38 0.6 undecidable manual S 273 8.5803 138 0.01 50
IV.CSP1.EHZ. 2021-09-25T05:31:19.12 0.6 positive manual P 57 18.7701 117 -0.05 49
IV.MML1.EHZ. 2021-09-25T05:31:18.16 1.0 undecidable manual P 346 12.876 126 0 25
IV.CESI.HHZ. 2021-09-25T05:31:17.47 0.1 undecidable manual P 273 8.5803 138 -0.04 100
IV.CRE.HHZ. 2021-09-25T05:31:17.49 3.0 undecidable manual P 1.64 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.8 0.0000862 0.22 AML other m 2021-09-25T05:31:19.52
IV.CESI.HHE. ML:0.6 0.00006085 0.16 AML other m 2021-09-25T05:31:19.53
IV.MML1.EHN. ML:0.6 0.000044 1.12 AML other m 2021-09-25T05:31:20.98
IV.MML1.EHE. ML:0.4 0.000031899999999999996 1.54 AML other m 2021-09-25T05:31:21.21
IV.GAVE.EHN. ML:1.0 0.000045600000000000004 1.4 AML other m 2021-09-25T05:31:37.26
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