NEWS FLASH!
Recent earthquake activity located by the:
New England Seismic Network
Epicenter!
December 27, 2001 Maine, Approximately 56 km ENE of Bangor
| DATE | ORIGIN | LAT N | LONG W | DEPTH | MN | MC | ML GAP | RMS | ERH | ERZ Q |
| 11227 | 2054 | 28.92 | 45-2.51 | 68- 9.36 | 21.68 | 2.8 | 130 | 0.39 | 4.6 | 7.0 C |
| STN | DIST | AZM | RMK | HRMN | SEC | TOBS | TCAL | RES | WT | AMX | PRX | XMAG | FMP | FMAG |
| UMM | 66.3 | 124 | IPD1 | 2054 | 39.86 | 10.95 | 11.19 | -0.26 | 2.61 | 177 | .14 | 2.3 | | |
| | | S 4 | 2054 | 48.05 | 19.14 | 19.92 | -0.80 | 0.00 | | | | | |
| WVL | 132.4 | 245 | IPD4 | 2054 | 44.65 | 15.73 | 20.44 | -4.72 | 0.00 | 129 | .24 | 2.5 | | |
| | | S 4 | 2054 | 59.25 | 30.33 | 36.39 | -6.07 | 0.00 | | | | | |
| PQI | 181.4 | 3 | EPD4 | 2054 | 63.23 | 34.31 | 26.50 | 7.79 | 0.00 | | | | | |
| | | S 4 | 2054 | 80.29 | 51.38 | 47.16 | 4.16 | 0.00 | | | | | |
| LMN | 277.3 | 71 | P 3 | 2055 | 9.90 | 40.98 | 38.34 | 2.65 | 0.00 | | | | | |
| A11 | 291.1 | 327 | S 3 | 2055 | 39.06 | 70.15 | 71.28 | -1.15 | 0.41 | | | | | |
| A16 | 305.2 | 332 | P 1 | 2055 | 10.93 | 42.01 | 41.77 | 0.24 | 1.54 | | | | | |
| | | S 3 | 2055 | 42.71 | 73.79 | 74.36 | -0.56 | 0.50 | | | | | |
| LBNH | 312.3 | 253 | P 0 | 2055 | 11.70 | 42.78 | 42.66 | 0.07 | 2.01 | | | | | |
| A54 | 320.0 | 327 | P 1 | 2055 | 12.85 | 43.94 | 43.61 | 0.27 | 1.47 | | | | | |
| MOQ | 323.4 | 275 | P 1 | 2055 | 13.30 | 44.39 | 44.03 | 0.22 | 1.46 | | | | | |
| LMQ | 324.9 | 329 | P 0 | 2055 | 13.12 | 44.21 | 44.22 | -0.08 | 1.94 | | | | | |
| | | S 2 | 2055 | 47.55 | 78.64 | 78.70 | -0.19 | 0.97 | | | | | |
| FFD | 329.2 | 238 | EPD4 | 2055 | 16.27 | 47.35 | 44.75 | 2.61 | 0.00 | 276 | .22 | 3.5 | | |
| | | S 4 | 2055 | 60.74 | 91.82 | 79.65 | 12.18 | 0.00 | | | | | |
| A61 | 330.2 | 333 | S 3 | 2055 | 48.21 | 79.29 | 79.86 | -0.58 | 0.46 | | | | | |
| HNH | 361.0 | 246 | EPD4 | 2055 | 2.04 | 33.13 | 48.66 | -15.57 | 0.00 | | | | | |
| | | S 4 | 2055 | 66.10 | 97.19 | 86.62 | 10.51 | 0.00 | | | | | |
| DPQ | 402.2 | 297 | P 1 | 2055 | 22.86 | 53.95 | 53.76 | 0.19 | 1.11 | | | | | |
| | | S 4 | 2055 | 61.81 | 92.90 | 95.69 | -2.80 | 0.00 | | | | | |
| GSQ | 437.8 | 10 | P 1 | 2055 | 28.00 | 59.08 | 58.15 | 0.93 | 0.88 | | | | | |
| | | S 3 | 2055 | 72.15 | 103.23 | 103.50 | -0.28 | 0.31 | | | | | |
| CNQ | 473.7 | 1 | P 3 | 2055 | 30.49 | 61.57 | 62.58 | -1.03 | 0.22 | | | | | |
| | | S 4 | 2055 | 78.50 | 109.58 | 111.39 | -1.85 | 0.00 | | | | | |
| ICQ | 502.5 | 8 | P 1 | 2055 | 35.00 | 66.08 | 66.14 | -0.06 | 0.66 | | | | | |
| | | S 4 | 2055 | 85.25 | 116.33 | 117.72 | -1.40 | 0.00 | | | | | |
| SMQ | 586.3 | 11 | P 1 | 2055 | 46.09 | 77.18 | 76.48 | 0.63 | 0.28 | | | | | |
| MNQ | 612.0 | 356 | P 1 | 2055 | 48.40 | 79.48 | 79.65 | -0.17 | 0.17 | | | | | |
Explanation of Table
Table Header: detailed hypocenter data
- Geographic location
- DATE = date event occurred, yr/mo/dy (year/month/day)
- ORIGIN = event origin time (UCT) in hours, minutes, and seconds
- LAT N = latitude north in degrees and minutes
- LONG W = longitude west in degrees and minutes
- DEPTH = event depth in kilometers
- MN = Nuttli Lg phase magnitude with amplitude divided by period
- MC = signal duration (coda) magnitude
- WES: 2.23 Log(FMP) + 0.12Log(Dist) - 2.36 (Rosario, 1979)
- MIT: 2.21 Log(FMP) - 1.7 (Chaplin et al., 1980)
- ML = local magnitude
- WES: calculated from Wood-Anderson seismograms (Ebel, 1982)
- GSC (Geological Survey of Canada): Richter Lg magnitude
- GAP = largest azimuthal separation, in degrees, between stations
- RMS = root mean square error of travel time residual in seconds
- ERH = standard error of epicenter in kilometers
- ERZ = standard error of event depth in kilometers
- Q = solution quality of hypocenter
- A = excellent
- B = good
- C = fair
- D = poor
Table Body: earthquake phase data
- STN = station name
- DIST = epicentral distance in kilometers
- AZM = azimuthal angle in degrees measured clockwise between true north and vector pointing from epicenter to station
- Description of onset of phase arrival
- I = impulsive
- E = emergent
- R = phase
- P = first P arrival
- S = first S arrival
- M = first motion direction of phase arrival
- U = up or compression
- D = down or dilatation
- K = weight of arrival
- 0 = full weight (1.0)
- 1 = 0.75 weight
- 2 = 0.50 weight
- 3 = 0.25 weight
- 4 = no weight (0.0)
- HRMN = hour and minute of phase arrival
- SEC = second of phase arrival
- TCAL = calculated travel time of phase in seconds
- RES = travel time residual (error) of phase arrival
- WT = weight of phase used in hypocentral solution
- AMX = peak-to-peak ground motion, in millimicrons, of the maximum envelope amplitude of vertical-component signal, corrected for system response
- PRX = period in seconds of the signal from which amplitude was measured
- XMAG = Nuttli magnitude recorded at station
- FMP = signal duration (coda), in seconds, measured from first P arrival
- FMAG = coda magnitude recorded at station
Last updated on October 6, 2005
