Earthquake with magnitude of ML 1.4 on date 27-11-2021 and time 19:46:32 (Italy) in region 4 km SE Fiordimonte (MC)

A magnitude ML 1.4 earthquake occured in region: 4 km SE Fiordimonte (MC), on

  • 27-11-2021 18:46:32 (UTC)
  • 27-11-2021 19:46:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0050, 13.1180 at 4 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.

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 4 202 202
Fiastra MC 5 559 761
Acquacanina MC 6 121 882
Ussita MC 7 444 1326
Pieve Torina MC 7 1458 2784
Pievebovigliana MC 7 866 3650
Visso MC 9 1107 4757
Bolognola MC 9 142 4899
Monte Cavallo MC 10 145 5044
Muccia MC 11 915 5959
Castelsantangelo sul Nera MC 13 281 6240
Camerino MC 15 6974 13214
Sarnano MC 15 3264 16478
Serravalle di Chienti MC 15 1070 17548
Preci PG 15 724 18272
Cessapalombo MC 16 512 18784
Caldarola MC 17 1823 20607
Camporotondo di Fiastrone MC 19 563 21170
Gualdo MC 19 815 21985
Montefortino FM 20 1178 23163
Amandola FM 20 3629 26792
San Ginesio MC 20 3498 30290
Serrapetrona MC 20 966 31256

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
60 Km E of Perugia (166134 inhabitants)
61 Km NW of Teramo (54892 inhabitants)
63 Km NE of Terni (111501 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
76 Km NW of L'Aquila (69753 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
Bulletin
Rev1000
ML 1.4 2021-11-27
18:46:32
43.0052 13.1182 4 2022-03-30
13:04:31
Bollettino Sismico Italiano INGV 99939921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-27 18:46:32 ± 0.11
Latitude 43.0052 ± 0.0027
Longitude 13.1182 ± 0.0037
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99939921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 310
Semi-minor axis of confidence ellipse (meter) 103
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.18616
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 99939921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-19 14:10:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAGA.HHZ. 2021-11-27T18:48:12.90 3.0 positive manual Pg 14.83 0
IV.MCEL.HHZ. 2021-11-27T18:48:12.23 3.0 undecidable manual Sg 9.21 0
IV.MTGR.HHZ. 2021-11-27T18:47:50.67 3.0 negative manual Pn 3.49 0
CH.MUGIO.HHZ. 2021-11-27T18:47:46.47 3.0 undecidable manual Pg 12.46 0
IV.SPS2.HHZ. 2021-11-27T18:47:45.14 3.0 undecidable manual Pg 7.66 0
IV.CAVE.HHZ. 2021-11-27T18:47:42.36 3.0 undecidable manual Sn 0.97 0
OT.OT13.EHZ. 2021-11-27T18:47:41.99 3.0 undecidable manual Sn -0.65 0
IV.PZUN.HHZ. 2021-11-27T18:47:23.47 3.0 negative manual Pg 4.43 0
OT.OT17.EHZ. 2021-11-27T18:47:05.55 3.0 positive manual Pn -0.06 0
IV.CRTC.HHZ. 2021-11-27T18:46:58.38 3.0 undecidable manual S -0.68 0
IV.APEC.HHZ. 2021-11-27T18:46:49.43 3.0 undecidable manual P 2.99 0
IV.FIAM.HHZ. 2021-11-27T18:46:43.70 3.0 positive manual P -1.92 0
IV.MMO1.EHN. 2021-11-27T18:46:39.37 0.3 undecidable manual S 125 20.6682 101 -0.13 74
IV.NRCA.HHZ. 2021-11-27T18:46:39.16 0.3 undecidable manual S 181 19.0698 102 0.2 73
IV.CESI.HHZ. 2021-11-27T18:46:38.50 0.3 undecidable manual S 270 17.3715 103 0.12 74
IV.MML1.EHZ. 2021-11-27T18:46:38.50 0.3 undecidable manual S 315 16.872 103 0.27 72
IV.CSP1.EHZ. 2021-11-27T18:46:36.75 0.3 undecidable manual S 36 11.877 109 0.18 74
IV.MC2.EHZ. 2021-11-27T18:46:36.81 0.3 undecidable manual S 151 11.877 109 0.25 73
IV.MMO1.EHN. 2021-11-27T18:46:36.16 0.3 undecidable manual P 125 20.6682 101 -0.26 72
IV.FEMA.HNE. 2021-11-27T18:46:35.26 0.1 undecidable manual S 229 7.2927 119 0.15 100
IV.NRCA.HHZ. 2021-11-27T18:46:35.96 0.3 undecidable manual P 181 19.0698 102 -0.14 74
IV.MML1.EHZ. 2021-11-27T18:46:35.66 0.3 undecidable manual P 315 16.872 103 -0.03 76
IV.CSP1.EHZ. 2021-11-27T18:46:35.06 0.3 undecidable manual P 36 11.877 109 0.34 72
IV.CESI.HHZ. 2021-11-27T18:46:35.57 0.3 undecidable manual P 270 17.3715 103 -0.2 73
IT.MTCL.HGZ. 2021-11-27T18:46:35.93 0.3 undecidable manual S 263 9.6792 113 0.08 76
IV.FDMO.HHZ. 2021-11-27T18:46:34.06 0.1 undecidable manual S 324 4.2957 133 -0.18 100
IT.MTCL.HGZ. 2021-11-27T18:46:34.16 0.1 undecidable manual P 263 9.6792 113 -0.16 100
IV.MC2.EHZ. 2021-11-27T18:46:34.65 0.3 undecidable manual P 151 11.877 109 -0.07 76
IV.FEMA.HNE. 2021-11-27T18:46:33.84 0.3 undecidable manual P 229 7.2927 119 -0.04 77
IV.FDMO.HHZ. 2021-11-27T18:46:33.19 0.1 undecidable manual P 324 4.2957 133 -0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIAM.HHN. ML:1.4 0.000030449999999999998 0.42 AML other m 2021-11-27T18:46:44.39
IV.FIAM.HHE. ML:1.4 0.000028 0.42 AML other m 2021-11-27T18:46:52.22
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