Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 28-01-2021 and time 07:17:55 (Italy) in region 2 km SW Castelraimondo (MC)

A magnitude ML 1.2 earthquake occured in region: 2 km SW Castelraimondo (MC), on

  • 28-01-2021 06:17:55 (UTC)
  • 28-01-2021 07:17:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1990, 13.0410 at 14 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.

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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
Castelraimondo MC 2 4587 4587
Pioraco MC 5 1134 5721
Gagliole MC 5 620 6341
Matelica MC 7 9981 16322
Camerino MC 7 6974 23296
Fiuminata MC 9 1402 24698
Sefro MC 9 422 25120
Esanatoglia MC 10 2034 27154
San Severino Marche MC 12 12726 39880
Serrapetrona MC 12 966 40846
Muccia MC 13 915 41761
Cerreto d'Esi AN 14 3817 45578
Pievebovigliana MC 16 866 46444
Serravalle di Chienti MC 16 1070 47514
Belforte del Chienti MC 16 1886 49400
Caldarola MC 17 1823 51223
Pieve Torina MC 17 1458 52681
Fiordimonte MC 18 202 52883
Fabriano AN 19 31480 84363
Camporotondo di Fiastrone MC 20 563 84926
Tolentino MC 20 20069 104995
Poggio San Vicino MC 20 246 105241

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NE of Foligno (57155 inhabitants)
54 Km E of Perugia (166134 inhabitants)
61 Km SW of Ancona (100861 inhabitants)
72 Km S of Fano (60888 inhabitants)
78 Km NE of Terni (111501 inhabitants)
80 Km S of Pesaro (94582 inhabitants)
81 Km NW of Teramo (54892 inhabitants)
98 Km E of Arezzo (99543 inhabitants)
99 Km NW of L'Aquila (69753 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 1.2 2021-01-28
06:17:55		 43.1987 13.0413 14 2021-07-12
16:55:02		 Bollettino Sismico Italiano INGV 88161021
Reviewed
Rev100 		ML 1.2 2021-01-28
06:17:54		 43.2038 13.0612 21 2021-01-28
06:21:58		 Sala Sismica INGV-Roma 86644381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-28 06:17:55 ± 0.04
Latitude 43.1987 ± 0.0009
Longitude 13.0413 ± 0.0025
Depth (km) 14 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88161021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 170
Semi-minor axis of confidence ellipse (meter) 61
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 259
Circular confidence region, given by single value of horizontal uncertainty (meter) 170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.07374
Epicentral distance of station farthest from the epicenter (degree) 0.36872
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 88161021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-15 14:40:11

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 86644381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-28 06:21:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2021-01-28T06:18:09.45 0.6 undecidable manual S 172 40.9257 96 0.24 45
IV.ATSC.EHE. 2021-01-28T06:18:08.48 0.6 undecidable manual S 311 38.0286 97 0.04 47
IV.ATCC.EHZ. 2021-01-28T06:18:07.29 0.6 undecidable manual S 267 32.4453 99 0.31 45
IV.ARVD.HHZ. 2021-01-28T06:18:07.57 0.6 undecidable manual S 346 34.1436 98 0.15 47
IV.SSFR.HHN. 2021-01-28T06:18:07.53 0.6 undecidable manual S 322 33.6441 98 0.25 46
IV.ASSB.HHZ. 2021-01-28T06:18:07.66 0.6 undecidable manual S 241 35.4423 98 -0.11 47
IV.FOSV.HNE. 2021-01-28T06:18:05.04 0.6 undecidable manual S 295 25.0527 104 0.02 49
IV.CING.HNZ. 2021-01-28T06:18:04.66 0.6 undecidable manual S 32 23.2545 105 0.1 48
IV.CESI.HHZ. 2021-01-28T06:18:04.94 0.3 undecidable manual S 207 24.1536 104 0.14 71
IV.ATSC.EHE. 2021-01-28T06:18:03.02 0.3 undecidable manual P 311 38.0286 97 -0.07 71
IV.CSP1.EHZ. 2021-01-28T06:18:03.32 0.3 undecidable manual S 132 17.7711 114 0.14 72
IV.NRCA.HHZ. 2021-01-28T06:18:03.39 0.3 undecidable manual P 172 40.9257 96 -0.15 69
IV.FDMO.HHZ. 2021-01-28T06:18:03.30 0.3 undecidable manual S 168 18.3705 113 -0.03 74
IV.EL6.EHZ. 2021-01-28T06:18:02.61 0.3 undecidable manual S 19 15.2736 120 0.01 74
IV.PF6.EHN. 2021-01-28T06:18:02.24 0.6 undecidable manual S 119 14.0748 123 -0.08 49
IV.ASSB.HHZ. 2021-01-28T06:18:02.58 0.3 undecidable manual P 241 35.4423 98 -0.12 70
IV.ATCC.EHZ. 2021-01-28T06:18:02.21 0.1 undecidable manual P 267 32.4453 99 -0.04 96
IV.ARVD.HHZ. 2021-01-28T06:18:02.37 0.1 undecidable manual P 346 34.1436 98 -0.14 94
IV.SSFR.HHN. 2021-01-28T06:18:02.32 0.3 undecidable manual P 322 33.6441 98 -0.1 71
IV.MML1.HNE. 2021-01-28T06:18:01.73 0.6 undecidable manual S 211 10.9779 132 0.07 49
IV.FOSV.HNE. 2021-01-28T06:18:01.15 0.6 undecidable manual P 295 25.0527 104 0.03 49
IV.MDAR.HNN. 2021-01-28T06:18:01.12 0.6 undecidable manual S 95 8.1807 142 -0.04 50
IV.FIU1.HNZ. 2021-01-28T06:18:01.11 0.6 undecidable manual S 263 8.9799 140 -0.17 48
IV.CESI.HHZ. 2021-01-28T06:18:00.95 0.1 undecidable manual P 207 24.1536 104 -0.04 97
IV.CSP1.EHZ. 2021-01-28T06:18:00.03 0.1 undecidable manual P 132 17.7711 114 -0.03 99
IV.CING.HNZ. 2021-01-28T06:18:00.84 0.1 undecidable manual P 32 23.2545 105 -0.01 98
IV.FDMO.HHZ. 2021-01-28T06:18:00.06 0.1 undecidable manual P 168 18.3705 113 -0.08 97
IV.EL6.EHZ. 2021-01-28T06:17:59.76 0.1 undecidable manual P 19 15.2736 120 0.04 99
IV.PF6.EHN. 2021-01-28T06:17:59.55 0.3 undecidable manual P 119 14.0748 123 -0.01 75
IV.MML1.HNE. 2021-01-28T06:17:59.24 0.1 undecidable manual P 211 10.9779 132 0.06 99
IV.MDAR.HNN. 2021-01-28T06:17:58.92 0.1 undecidable manual P 95 8.1807 142 0.03 100
IV.FIU1.HNZ. 2021-01-28T06:17:58.89 0.3 undecidable manual P 263 8.9799 140 -0.07 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.0 0.0000802 0.72 AML other m 2021-01-28T06:18:03.42
IV.FDMO.HHN. ML:1.2 0.0001134 0.72 AML other m 2021-01-28T06:18:03.62
IV.EL6.EHN. ML:1.4 0.0001846 0.66 AML other m 2021-01-28T06:18:04.57
IV.EL6.EHE. ML:1.3 0.000152 1.04 AML other m 2021-01-28T06:18:04.80
IV.CSP1.EHE. ML:1.2 0.00012575 0.56 AML other m 2021-01-28T06:18:04.50
IV.CSP1.EHN. ML:1.5 0.00021100000000000003 0.28 AML other m 2021-01-28T06:18:04.74
IV.CESI.HHE. ML:1.0 0.0000554 0.36 AML other m 2021-01-28T06:18:05.07
IV.CESI.HHN. ML:1.0 0.00005165 0.48 AML other m 2021-01-28T06:18:05.41
IV.ATCC.EHE. ML:1.0 0.00003865 1.34 AML other m 2021-01-28T06:18:06.05
IV.ATCC.EHN. ML:1.0 0.0000412 0.14 AML other m 2021-01-28T06:18:07.44
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