Earthquake with magnitude of ML 0.7 on date 21-02-2023 and time 15:49:05 (UTC) in region 4 km E Pollenza (MC)

A magnitude ML 0.7 earthquake occured in region: 4 km E Pollenza (MC), on

  • 21-02-2023 15:49:05 (UTC)
  • 21-02-2023 16:49:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2800, 13.3940 at 9 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
Pollenza MC 4 6618 6618
Macerata MC 5 42473 49091
Treia MC 8 9403 58494
Petriolo MC 9 1998 60492
Urbisaglia MC 9 2628 63120
Montecassiano MC 10 7125 70245
Corridonia MC 10 15430 85675
Appignano MC 10 4213 89888
Tolentino MC 12 20069 109957
Mogliano MC 13 4696 114653
Loro Piceno MC 13 2401 117054
Colmurano MC 13 1263 118317
Montefano MC 15 3541 121858
Ripe San Ginesio MC 15 852 122710
Francavilla d'Ete FM 15 964 123674
Morrovalle MC 16 10195 133869
Massa Fermana FM 16 963 134832
Montelupone MC 16 3596 138428
Monte San Giusto MC 17 8191 146619
Montappone FM 17 1682 148301
Filottrano AN 18 9499 157800
Cingoli MC 18 10352 168152
Monte San Pietrangeli FM 18 2458 170610
Belforte del Chienti MC 18 1886 172496
San Severino Marche MC 18 12726 185222
Recanati MC 19 21349 206571
Monte Vidon Corrado FM 19 731 207302
Camporotondo di Fiastrone MC 19 563 207865
Sant'Angelo in Pontano MC 20 1436 209301
San Ginesio MC 20 3498 212799

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km S of Ancona (100861 inhabitants)
67 Km NE of Foligno (57155 inhabitants)
70 Km SE of Fano (60888 inhabitants)
74 Km NW of Teramo (54892 inhabitants)
80 Km SE of Pesaro (94582 inhabitants)
84 Km E of Perugia (166134 inhabitants)
100 Km NE of Terni (111501 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 0.7 2023-02-21
15:49:05
43.2803 13.3943 9 2024-03-01
17:18:00
Bollettino Sismico Italiano INGV 115846181
Reviewed
Rev100
ML 0.6 2023-02-21
15:49:06
43.2897 13.3775 10 2023-02-21
16:14:21
Sala Sismica INGV-Roma 114663661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-21 15:49:05 ± 0.22
Latitude 43.2803 ± 0.0090
Longitude 13.3943 ± 0.0148
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115846181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1193
Semi-minor axis of confidence ellipse (meter) 925
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 1190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 228
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.49103
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 115846181
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-08 01:04:09

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 114663661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-21 16:14:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.CIMO.HHZ. 2023-02-21T15:50:28.76 3.0 undecidable manual Sg 17.889999 0
IV.TDS.HHZ. 2023-02-21T15:50:26.48 3.0 undecidable manual Pg 16.280001 0
IV.SPS2.HHZ. 2023-02-21T15:50:17.87 3.0 undecidable manual Pn 3.22 0
SL.BOJS.BHZ. 2023-02-21T15:50:04.17 3.0 undecidable manual Sn -0.4 0
GU.GSCL.HHZ. 2023-02-21T15:49:56.12 3.0 undecidable manual Sn 2.04 0
IV.FAGN.HHZ. 2023-02-21T15:49:48.92 3.0 undecidable manual Sg 3.2 0
IV.BDI.HHZ. 2023-02-21T15:49:31.83 3.0 negative manual Pn 2.15 0
IV.CRMI.HHZ. 2023-02-21T15:49:27.86 3.0 undecidable manual Pn 2.25 0
IV.MML1.EHZ. 2023-02-21T15:49:18.99 1.0 undecidable manual S 242 38.8278 50 -0.18 24
IV.FDMO.HHZ. 2023-02-21T15:49:18.32 0.3 undecidable manual S 223 36.741 50 -0.28 72
IV.NRCA.HHZ. 2023-02-21T15:49:16.28 0.6 negative manual P 205 54.501 50 0.31 45
IV.CSP1.EHZ. 2023-02-21T15:49:15.87 0.3 undecidable manual S 216 25.9518 109 0.43 73
IV.PF6.EHN. 2023-02-21T15:49:14.20 0.6 undecidable manual S 226 22.6551 112 -0.16 47
IV.EL6.EHZ. 2023-02-21T15:49:14.75 0.3 undecidable manual S 283 24.2535 111 -0.14 74
IV.CING.HHZ. 2023-02-21T15:49:13.09 0.3 undecidable manual S 303 19.2696 115 -0.19 74
IV.MML1.EHZ. 2023-02-21T15:49:13.94 0.3 undecidable manual P 242 38.8278 50 0.38 68
IV.FDMO.HHZ. 2023-02-21T15:49:13.28 0.3 undecidable manual P 223 36.741 50 0.05 73
IV.MF5.EHN. 2023-02-21T15:49:12.20 0.1 undecidable manual P 171 32.8449 50 -0.44 91
IV.CSP1.EHZ. 2023-02-21T15:49:11.63 0.3 undecidable manual P 216 25.9518 109 0.22 74
IV.PF6.EHN. 2023-02-21T15:49:11.00 0.1 undecidable manual P 226 22.6551 112 0.22 100
IV.EL6.EHZ. 2023-02-21T15:49:11.11 0.3 undecidable manual P 283 24.2535 111 0.02 76
IV.CING.HHZ. 2023-02-21T15:49:10.29 0.3 undecidable manual P 303 19.2696 115 0.13 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CING.HHN. ML:0.5 0.000027 0.36 AML other m 2023-02-21T15:49:13.82
IV.CING.HHE. ML:0.6 0.000028200000000000004 0.32 AML other m 2023-02-21T15:49:13.91
IV.FDMO.HHE. ML:0.8 0.00002335 0.16 AML other m 2023-02-21T15:49:18.91
IV.FDMO.HHN. ML:0.6 0.000016300000000000003 1.84 AML other m 2023-02-21T15:49:18.95
IV.NRCA.HHE. ML:0.9 0.00001965 0.42 AML other m 2023-02-21T15:49:25.48
IV.NRCA.HHN. ML:0.8 0.000014700000000000002 0.7 AML other m 2023-02-21T15:49:27.12
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