Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 23-01-2021 and time 13:43:26 (Italy) in region 5 km SE Camerino (MC)

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

  • 23-01-2021 12:43:26 (UTC)
  • 23-01-2021 13:43:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.11, 13.12 at 12 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
Camerino MC 5 6974 6974
Pievebovigliana MC 6 866 7840
Muccia MC 7 915 8755
Fiordimonte MC 9 202 8957
Fiastra MC 9 559 9516
Caldarola MC 9 1823 11339
Pieve Torina MC 9 1458 12797
Serrapetrona MC 9 966 13763
Acquacanina MC 10 121 13884
Belforte del Chienti MC 11 1886 15770
Cessapalombo MC 11 512 16282
Camporotondo di Fiastrone MC 12 563 16845
Castelraimondo MC 12 4587 21432
Pioraco MC 13 1134 22566
San Severino Marche MC 14 12726 35292
Serravalle di Chienti MC 14 1070 36362
Sefro MC 14 422 36784
Gagliole MC 15 620 37404
Bolognola MC 16 142 37546
San Ginesio MC 16 3498 41044
Monte Cavallo MC 16 145 41189
Sarnano MC 17 3264 44453
Tolentino MC 17 20069 64522
Fiuminata MC 18 1402 65924
Gualdo MC 18 815 66739
Matelica MC 19 9981 76720
Ussita MC 19 444 77164

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
59 Km E of Perugia (166134 inhabitants)
65 Km SW of Ancona (100861 inhabitants)
69 Km NW of Teramo (54892 inhabitants)
72 Km NE of Terni (111501 inhabitants)
82 Km S of Fano (60888 inhabitants)
88 Km N of L'Aquila (69753 inhabitants)
90 Km S of Pesaro (94582 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100 		ML 1.2 2021-01-23
12:43:26		 43.11 13.12 12 2021-01-23
13:11:48		 Sala Sismica INGV-Roma 86496471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-23 12:43:26 ± 0.17
Latitude 43.11 ± 0.01
Longitude 13.12 ± 0.01
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86496471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1116
Semi-minor axis of confidence ellipse (meter) 316
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 9
Circular confidence region, given by single value of horizontal uncertainty (meter) 1120
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 197
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.27789
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 86496471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-23 13:11:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.CANO.HHZ. 2021-01-23T12:45:15.58 3.0 undecidable manual Sg 16.82 0
IX.STN3.HNZ.01 2021-01-23T12:45:12.23 3.0 undecidable manual Sg 9.34 0
IV.SCIAC.HHZ. 2021-01-23T12:45:01.48 3.0 negative manual Pg 10.15 0
IX.CSG3.HNZ.01 2021-01-23T12:45:00.75 3.0 undecidable manual Sg 5.69 0
IV.MTGR.HHZ. 2021-01-23T12:44:57.69 3.0 negative manual Pg 11.44 0
IV.MCRV.HHZ. 2021-01-23T12:44:56.82 3.0 undecidable manual Sg 3.63 0
AC.VLO.HHZ. 2021-01-23T12:44:41.36 3.0 negative manual Pn -4.04 0
CR.ZAG.BHZ. 2021-01-23T12:44:39.20 3.0 undecidable manual Sn -4.79 0
IV.PZUN.HHZ. 2021-01-23T12:44:24.02 3.0 negative manual Pg 7.35 0
IV.RIBO.EHZ.01 2021-01-23T12:44:09.78 3.0 undecidable manual Sn -3.57 0
IV.MTMR.HNZ. 2021-01-23T12:44:05.76 3.0 negative manual Pn -3.54 0
IV.MF5.EHZ. 2021-01-23T12:43:38.13 0.1 undecidable manual S 116 0.277 94 0.55 87
IV.NRCA.HHZ. 2021-01-23T12:43:37.51 0.1 undecidable manual S 181 0.2779 94 -0.1 97
IV.CESI.HHZ. 2021-01-23T12:43:35.23 0.1 undecidable manual S 236 0.1907 99 0.19 95
IV.FOSV.EHZ. 2021-01-23T12:43:34.27 3.0 undecidable manual S -3.93 0
IV.MML1.HNE. 2021-01-23T12:43:33.01 0.1 undecidable manual S 271 0.1088 120 0.27 96
IV.MF5.EHZ. 2021-01-23T12:43:33.04 0.1 undecidable manual P 116 0.277 94 -0.03 98
IV.FDMO.HHZ. 2021-01-23T12:43:32.15 0.1 undecidable manual S 198 0.0791 134 0.11 100
IV.NRCA.HHZ. 2021-01-23T12:43:32.73 0.1 undecidable manual P 181 0.2779 94 -0.36 92
IV.MMO1.EHZ. 2021-01-23T12:43:32.76 3.0 undecidable manual P -3.64 0
IV.CPGN.EHZ. 2021-01-23T12:43:31.42 3.0 undecidable manual P 0.17 0
IV.CSP1.EHZ. 2021-01-23T12:43:31.61 0.1 undecidable manual S 108 0.0648 141 -0.14 98
IV.CESI.HHZ. 2021-01-23T12:43:31.51 0.1 undecidable manual P 236 0.1907 99 -0.09 99
IV.MML1.HNE. 2021-01-23T12:43:30.16 0.1 undecidable manual P 271 0.1088 120 -0.12 99
IV.CSP1.EHZ. 2021-01-23T12:43:29.57 0.1 undecidable manual P 108 0.0648 141 -0.13 99
IV.FDMO.HHZ. 2021-01-23T12:43:29.76 0.1 undecidable manual P 198 0.0791 134 -0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.2 0.0001695 0.16 AML other m 2021-01-23T12:43:32.30
IV.FDMO.HHN. ML:1 0.00011675 0.48 AML other m 2021-01-23T12:43:32.32
IV.MTMR.EHE. ML:3.6 0.0006345 0.42 AML other m 2021-01-23T12:44:57.79
IV.MTMR.EHN. ML:3.8 0.00088955 0.42 AML other m 2021-01-23T12:45:05.03
IX.STN3.HHE.02 ML:5.7 0.04015 0.74 AML other m 2021-01-23T12:45:16.45
IX.STN3.HHN.02 ML:5.5 0.02485 0.82 AML other m 2021-01-23T12:45:16.53
IV.CSP1.EHE. ML:1.3 0.000236782 0.1792 AML other m 2021-01-23T12:43:31.89
IV.CSP1.EHN. ML:1.3 0.0002545195 1.6768 AML other m 2021-01-23T12:43:31.86
IV.CESI.HHE. ML:1 6.431231E-5 1.28 AML other m 2021-01-23T12:43:36.08
IV.CESI.HHN. ML:1.3 0.000119372335 1.4784 AML other m 2021-01-23T12:43:36.26
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download